./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:19:59,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:19:59,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:19:59,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:19:59,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:19:59,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:19:59,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:19:59,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:19:59,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:19:59,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:19:59,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:19:59,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:19:59,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:19:59,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:19:59,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:19:59,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:19:59,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:19:59,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:19:59,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:19:59,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:19:59,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:19:59,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:19:59,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:19:59,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:19:59,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:19:59,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:19:59,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:19:59,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:19:59,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:19:59,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:19:59,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:19:59,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:19:59,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:19:59,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:19:59,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:19:59,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:19:59,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:19:59,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:19:59,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:19:59,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:19:59,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:19:59,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:19:59,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:19:59,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:19:59,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:19:59,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:19:59,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:19:59,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:19:59,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:19:59,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:19:59,579 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:19:59,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:19:59,581 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:19:59,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:19:59,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:19:59,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:19:59,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:19:59,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:19:59,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:19:59,583 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:19:59,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:19:59,583 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:19:59,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:19:59,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:19:59,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:19:59,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:19:59,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:19:59,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:19:59,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:19:59,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:19:59,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:19:59,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:19:59,587 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:19:59,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:19:59,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:19:59,588 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_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 [2022-11-20 12:20:00,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:20:00,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:20:00,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:20:00,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:20:00,095 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:20:00,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2022-11-20 12:20:03,819 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:20:04,128 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:20:04,129 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2022-11-20 12:20:04,157 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/data/8f4aec63a/bd7a31449c5d4840af95d7b0dae4159c/FLAG32a1d0e54 [2022-11-20 12:20:04,173 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/data/8f4aec63a/bd7a31449c5d4840af95d7b0dae4159c [2022-11-20 12:20:04,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:20:04,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:20:04,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:20:04,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:20:04,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:20:04,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215d3740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04, skipping insertion in model container [2022-11-20 12:20:04,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:20:04,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:20:04,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2022-11-20 12:20:04,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:20:04,681 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:20:04,804 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2022-11-20 12:20:04,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:20:04,841 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:20:04,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04 WrapperNode [2022-11-20 12:20:04,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:20:04,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:20:04,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:20:04,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:20:04,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,898 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 210 [2022-11-20 12:20:04,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:20:04,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:20:04,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:20:04,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:20:04,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:20:04,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:20:04,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:20:04,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:20:04,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (1/1) ... [2022-11-20 12:20:04,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:20:04,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:04,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:20:05,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:20:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:20:05,055 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 12:20:05,055 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 12:20:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 12:20:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 12:20:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 12:20:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 12:20:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 12:20:05,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 12:20:05,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 12:20:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 12:20:05,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 12:20:05,069 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 12:20:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:20:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 12:20:05,070 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 12:20:05,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:20:05,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:20:05,220 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:20:05,226 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:20:05,638 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:20:05,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:20:05,647 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:20:05,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:05 BoogieIcfgContainer [2022-11-20 12:20:05,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:20:05,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:20:05,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:20:05,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:20:05,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:20:04" (1/3) ... [2022-11-20 12:20:05,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d56e69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:20:05, skipping insertion in model container [2022-11-20 12:20:05,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:20:04" (2/3) ... [2022-11-20 12:20:05,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d56e69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:20:05, skipping insertion in model container [2022-11-20 12:20:05,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:05" (3/3) ... [2022-11-20 12:20:05,661 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2022-11-20 12:20:05,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:20:05,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:20:05,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:20:05,828 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;@65455d34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:20:05,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:20:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-20 12:20:05,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 12:20:05,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:05,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:05,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:05,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:05,869 INFO L85 PathProgramCache]: Analyzing trace with hash 497933795, now seen corresponding path program 1 times [2022-11-20 12:20:05,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:05,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852755385] [2022-11-20 12:20:05,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:05,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:20:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:06,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:06,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852755385] [2022-11-20 12:20:06,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852755385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:06,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:06,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:20:06,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352079890] [2022-11-20 12:20:06,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:06,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:20:06,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:06,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:20:06,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:20:06,302 INFO L87 Difference]: Start difference. First operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:20:06,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:06,392 INFO L93 Difference]: Finished difference Result 170 states and 231 transitions. [2022-11-20 12:20:06,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:20:06,394 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-20 12:20:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:06,415 INFO L225 Difference]: With dead ends: 170 [2022-11-20 12:20:06,419 INFO L226 Difference]: Without dead ends: 80 [2022-11-20 12:20:06,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:20:06,429 INFO L413 NwaCegarLoop]: 112 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, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:06,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:20:06,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-20 12:20:06,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-20 12:20:06,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 12:20:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-20 12:20:06,506 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 25 [2022-11-20 12:20:06,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:06,508 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-20 12:20:06,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:20:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-20 12:20:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 12:20:06,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:06,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:06,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:20:06,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:06,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:06,518 INFO L85 PathProgramCache]: Analyzing trace with hash -470356708, now seen corresponding path program 1 times [2022-11-20 12:20:06,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:06,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415266527] [2022-11-20 12:20:06,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:06,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:20:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:06,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:06,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415266527] [2022-11-20 12:20:06,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415266527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:06,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:06,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:20:06,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233395761] [2022-11-20 12:20:06,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:06,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:20:06,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:06,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:20:06,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:20:06,678 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:20:06,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:06,700 INFO L93 Difference]: Finished difference Result 125 states and 161 transitions. [2022-11-20 12:20:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:20:06,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-20 12:20:06,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:06,703 INFO L225 Difference]: With dead ends: 125 [2022-11-20 12:20:06,704 INFO L226 Difference]: Without dead ends: 71 [2022-11-20 12:20:06,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:20:06,706 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 13 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:06,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:20:06,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-20 12:20:06,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-20 12:20:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 63 states have internal predecessors, (75), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:20:06,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-11-20 12:20:06,719 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 26 [2022-11-20 12:20:06,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:06,720 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-11-20 12:20:06,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:20:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-11-20 12:20:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 12:20:06,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:06,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:06,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:20:06,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:06,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1793997224, now seen corresponding path program 1 times [2022-11-20 12:20:06,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:06,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870759529] [2022-11-20 12:20:06,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:06,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:20:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:06,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:06,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870759529] [2022-11-20 12:20:06,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870759529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:06,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:06,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:20:06,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170345357] [2022-11-20 12:20:06,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:06,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:20:06,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:06,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:20:06,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:20:06,892 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:20:06,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:06,972 INFO L93 Difference]: Finished difference Result 135 states and 176 transitions. [2022-11-20 12:20:06,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:20:06,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-20 12:20:06,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:06,975 INFO L225 Difference]: With dead ends: 135 [2022-11-20 12:20:06,975 INFO L226 Difference]: Without dead ends: 71 [2022-11-20 12:20:06,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:20:06,978 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 116 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:06,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 220 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:20:06,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-20 12:20:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-20 12:20:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:20:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-20 12:20:06,992 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 31 [2022-11-20 12:20:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:06,993 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-20 12:20:06,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:20:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-20 12:20:06,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 12:20:06,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:06,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:06,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:20:06,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:06,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:06,998 INFO L85 PathProgramCache]: Analyzing trace with hash -668349169, now seen corresponding path program 1 times [2022-11-20 12:20:06,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:06,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075893875] [2022-11-20 12:20:06,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:06,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:20:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:20:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 12:20:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:07,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:07,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075893875] [2022-11-20 12:20:07,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075893875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:07,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:07,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:20:07,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024618667] [2022-11-20 12:20:07,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:07,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:20:07,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:07,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:20:07,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:20:07,203 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 12:20:07,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:07,526 INFO L93 Difference]: Finished difference Result 213 states and 271 transitions. [2022-11-20 12:20:07,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:20:07,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-11-20 12:20:07,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:07,529 INFO L225 Difference]: With dead ends: 213 [2022-11-20 12:20:07,529 INFO L226 Difference]: Without dead ends: 149 [2022-11-20 12:20:07,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:20:07,534 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 173 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:07,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 297 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:20:07,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-20 12:20:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2022-11-20 12:20:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 119 states have internal predecessors, (143), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-11-20 12:20:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 176 transitions. [2022-11-20 12:20:07,572 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 176 transitions. Word has length 41 [2022-11-20 12:20:07,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:07,573 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 176 transitions. [2022-11-20 12:20:07,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 12:20:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2022-11-20 12:20:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 12:20:07,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:07,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:07,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:20:07,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash 103943489, now seen corresponding path program 1 times [2022-11-20 12:20:07,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:07,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399686704] [2022-11-20 12:20:07,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:07,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:20:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:20:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:07,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:07,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:07,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399686704] [2022-11-20 12:20:07,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399686704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:07,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:07,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:20:07,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638265886] [2022-11-20 12:20:07,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:07,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:20:07,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:07,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:20:07,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:20:07,760 INFO L87 Difference]: Start difference. First operand 143 states and 176 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:20:08,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:08,022 INFO L93 Difference]: Finished difference Result 301 states and 377 transitions. [2022-11-20 12:20:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:20:08,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-20 12:20:08,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:08,031 INFO L225 Difference]: With dead ends: 301 [2022-11-20 12:20:08,032 INFO L226 Difference]: Without dead ends: 165 [2022-11-20 12:20:08,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:20:08,042 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 109 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:08,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 414 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:20:08,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-20 12:20:08,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 145. [2022-11-20 12:20:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 121 states have internal predecessors, (145), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-11-20 12:20:08,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 178 transitions. [2022-11-20 12:20:08,078 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 178 transitions. Word has length 45 [2022-11-20 12:20:08,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:08,079 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 178 transitions. [2022-11-20 12:20:08,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:20:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2022-11-20 12:20:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 12:20:08,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:08,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:08,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:20:08,082 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:08,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:08,083 INFO L85 PathProgramCache]: Analyzing trace with hash 921591939, now seen corresponding path program 1 times [2022-11-20 12:20:08,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:08,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394642258] [2022-11-20 12:20:08,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:08,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:20:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:20:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:08,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:08,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:08,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394642258] [2022-11-20 12:20:08,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394642258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:08,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:08,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:20:08,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315867372] [2022-11-20 12:20:08,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:08,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:20:08,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:08,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:20:08,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:20:08,268 INFO L87 Difference]: Start difference. First operand 145 states and 178 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:20:08,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:08,492 INFO L93 Difference]: Finished difference Result 291 states and 361 transitions. [2022-11-20 12:20:08,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:20:08,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-20 12:20:08,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:08,500 INFO L225 Difference]: With dead ends: 291 [2022-11-20 12:20:08,500 INFO L226 Difference]: Without dead ends: 153 [2022-11-20 12:20:08,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:20:08,507 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 64 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:08,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 367 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:20:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-11-20 12:20:08,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 148. [2022-11-20 12:20:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 117 states have (on average 1.264957264957265) internal successors, (148), 124 states have internal predecessors, (148), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-11-20 12:20:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 181 transitions. [2022-11-20 12:20:08,560 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 181 transitions. Word has length 45 [2022-11-20 12:20:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:08,561 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 181 transitions. [2022-11-20 12:20:08,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:20:08,561 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 181 transitions. [2022-11-20 12:20:08,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 12:20:08,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:08,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:08,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:20:08,570 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:08,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:08,571 INFO L85 PathProgramCache]: Analyzing trace with hash 322798207, now seen corresponding path program 1 times [2022-11-20 12:20:08,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:08,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352083708] [2022-11-20 12:20:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:08,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:08,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:20:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:20:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:08,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:08,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352083708] [2022-11-20 12:20:08,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352083708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:08,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:08,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:20:08,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372103875] [2022-11-20 12:20:08,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:08,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:20:08,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:08,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:20:08,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:20:08,725 INFO L87 Difference]: Start difference. First operand 148 states and 181 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:20:09,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:09,036 INFO L93 Difference]: Finished difference Result 416 states and 530 transitions. [2022-11-20 12:20:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:20:09,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-20 12:20:09,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:09,042 INFO L225 Difference]: With dead ends: 416 [2022-11-20 12:20:09,042 INFO L226 Difference]: Without dead ends: 275 [2022-11-20 12:20:09,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:20:09,045 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 206 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:09,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 301 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:20:09,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-11-20 12:20:09,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 267. [2022-11-20 12:20:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 208 states have (on average 1.2548076923076923) internal successors, (261), 219 states have internal predecessors, (261), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44) [2022-11-20 12:20:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 334 transitions. [2022-11-20 12:20:09,098 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 334 transitions. Word has length 45 [2022-11-20 12:20:09,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:09,099 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 334 transitions. [2022-11-20 12:20:09,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:20:09,100 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 334 transitions. [2022-11-20 12:20:09,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 12:20:09,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:09,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:09,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:20:09,102 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:09,102 INFO L85 PathProgramCache]: Analyzing trace with hash -916701465, now seen corresponding path program 1 times [2022-11-20 12:20:09,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:09,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822614601] [2022-11-20 12:20:09,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:09,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:20:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:20:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-20 12:20:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:09,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:09,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822614601] [2022-11-20 12:20:09,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822614601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:09,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:09,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:20:09,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974464002] [2022-11-20 12:20:09,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:09,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:20:09,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:09,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:20:09,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:20:09,299 INFO L87 Difference]: Start difference. First operand 267 states and 334 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:20:09,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:09,574 INFO L93 Difference]: Finished difference Result 530 states and 663 transitions. [2022-11-20 12:20:09,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:20:09,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-11-20 12:20:09,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:09,577 INFO L225 Difference]: With dead ends: 530 [2022-11-20 12:20:09,577 INFO L226 Difference]: Without dead ends: 270 [2022-11-20 12:20:09,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:20:09,580 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 112 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:09,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 332 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:20:09,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-11-20 12:20:09,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 265. [2022-11-20 12:20:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 206 states have (on average 1.2475728155339805) internal successors, (257), 217 states have internal predecessors, (257), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44) [2022-11-20 12:20:09,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 330 transitions. [2022-11-20 12:20:09,637 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 330 transitions. Word has length 47 [2022-11-20 12:20:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:09,638 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 330 transitions. [2022-11-20 12:20:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:20:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 330 transitions. [2022-11-20 12:20:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 12:20:09,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:09,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:09,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:20:09,641 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:09,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1637594841, now seen corresponding path program 1 times [2022-11-20 12:20:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:09,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358966430] [2022-11-20 12:20:09,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:20:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 12:20:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:20:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:09,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:09,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358966430] [2022-11-20 12:20:09,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358966430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:09,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:09,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:20:09,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330672117] [2022-11-20 12:20:09,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:09,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:20:09,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:09,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:20:09,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:20:09,784 INFO L87 Difference]: Start difference. First operand 265 states and 330 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:20:10,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:10,290 INFO L93 Difference]: Finished difference Result 525 states and 658 transitions. [2022-11-20 12:20:10,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 12:20:10,291 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-11-20 12:20:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:10,292 INFO L225 Difference]: With dead ends: 525 [2022-11-20 12:20:10,292 INFO L226 Difference]: Without dead ends: 314 [2022-11-20 12:20:10,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-20 12:20:10,294 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 212 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:10,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 495 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:20:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-11-20 12:20:10,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 301. [2022-11-20 12:20:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.228813559322034) internal successors, (290), 250 states have internal predecessors, (290), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-11-20 12:20:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 366 transitions. [2022-11-20 12:20:10,352 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 366 transitions. Word has length 49 [2022-11-20 12:20:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:10,352 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 366 transitions. [2022-11-20 12:20:10,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 12:20:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 366 transitions. [2022-11-20 12:20:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 12:20:10,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:10,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:10,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:20:10,367 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:10,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:10,368 INFO L85 PathProgramCache]: Analyzing trace with hash -32680003, now seen corresponding path program 1 times [2022-11-20 12:20:10,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:10,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562010310] [2022-11-20 12:20:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:10,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:20:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 12:20:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:20:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 12:20:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:10,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:10,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562010310] [2022-11-20 12:20:10,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562010310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:10,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:10,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 12:20:10,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560605656] [2022-11-20 12:20:10,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:10,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:20:10,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:10,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:20:10,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:20:10,588 INFO L87 Difference]: Start difference. First operand 301 states and 366 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:20:11,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:11,011 INFO L93 Difference]: Finished difference Result 550 states and 676 transitions. [2022-11-20 12:20:11,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 12:20:11,014 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 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 51 [2022-11-20 12:20:11,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:11,023 INFO L225 Difference]: With dead ends: 550 [2022-11-20 12:20:11,023 INFO L226 Difference]: Without dead ends: 305 [2022-11-20 12:20:11,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-11-20 12:20:11,026 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 170 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:11,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 421 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:20:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-11-20 12:20:11,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2022-11-20 12:20:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.2245762711864407) internal successors, (289), 250 states have internal predecessors, (289), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-11-20 12:20:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 365 transitions. [2022-11-20 12:20:11,066 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 365 transitions. Word has length 51 [2022-11-20 12:20:11,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:11,067 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 365 transitions. [2022-11-20 12:20:11,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:20:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 365 transitions. [2022-11-20 12:20:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 12:20:11,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:11,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:11,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:20:11,069 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:11,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:11,070 INFO L85 PathProgramCache]: Analyzing trace with hash -251534721, now seen corresponding path program 1 times [2022-11-20 12:20:11,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:11,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692853440] [2022-11-20 12:20:11,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:11,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:20:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 12:20:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:20:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 12:20:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:11,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:11,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692853440] [2022-11-20 12:20:11,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692853440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:11,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:11,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:20:11,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175595388] [2022-11-20 12:20:11,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:11,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:20:11,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:11,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:20:11,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:20:11,170 INFO L87 Difference]: Start difference. First operand 301 states and 365 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:20:11,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:11,416 INFO L93 Difference]: Finished difference Result 521 states and 638 transitions. [2022-11-20 12:20:11,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:20:11,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 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 51 [2022-11-20 12:20:11,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:11,421 INFO L225 Difference]: With dead ends: 521 [2022-11-20 12:20:11,421 INFO L226 Difference]: Without dead ends: 276 [2022-11-20 12:20:11,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:20:11,423 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 135 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:11,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 294 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:20:11,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-11-20 12:20:11,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 272. [2022-11-20 12:20:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 214 states have (on average 1.2242990654205608) internal successors, (262), 227 states have internal predecessors, (262), 29 states have call successors, (29), 25 states have call predecessors, (29), 28 states have return successors, (37), 28 states have call predecessors, (37), 29 states have call successors, (37) [2022-11-20 12:20:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 328 transitions. [2022-11-20 12:20:11,460 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 328 transitions. Word has length 51 [2022-11-20 12:20:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:11,463 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 328 transitions. [2022-11-20 12:20:11,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:20:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 328 transitions. [2022-11-20 12:20:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 12:20:11,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:11,465 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 12:20:11,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:20:11,466 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:11,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:11,466 INFO L85 PathProgramCache]: Analyzing trace with hash -614822540, now seen corresponding path program 1 times [2022-11-20 12:20:11,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:20:11,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360375055] [2022-11-20 12:20:11,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:11,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:20:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:20:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:20:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:20:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:20:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:20:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 12:20:11,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:20:11,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360375055] [2022-11-20 12:20:11,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360375055] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:20:11,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821992234] [2022-11-20 12:20:11,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:11,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:20:11,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:20:11,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:20:11,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:20:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:11,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 12:20:11,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 12:20:12,142 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:20:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 12:20:12,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821992234] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:20:12,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:20:12,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 17 [2022-11-20 12:20:12,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739498357] [2022-11-20 12:20:12,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:20:12,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 12:20:12,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:20:12,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 12:20:12,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2022-11-20 12:20:12,620 INFO L87 Difference]: Start difference. First operand 272 states and 328 transitions. Second operand has 17 states, 17 states have (on average 7.117647058823529) internal successors, (121), 13 states have internal predecessors, (121), 6 states have call successors, (17), 9 states have call predecessors, (17), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-11-20 12:20:13,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:13,791 INFO L93 Difference]: Finished difference Result 557 states and 715 transitions. [2022-11-20 12:20:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-20 12:20:13,792 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.117647058823529) internal successors, (121), 13 states have internal predecessors, (121), 6 states have call successors, (17), 9 states have call predecessors, (17), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 81 [2022-11-20 12:20:13,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:13,792 INFO L225 Difference]: With dead ends: 557 [2022-11-20 12:20:13,793 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:20:13,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 170 SyntacticMatches, 7 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=628, Invalid=1442, Unknown=0, NotChecked=0, Total=2070 [2022-11-20 12:20:13,796 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 614 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:13,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 538 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:20:13,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:20:13,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:20:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:20:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:20:13,798 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-11-20 12:20:13,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:13,799 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:20:13,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.117647058823529) internal successors, (121), 13 states have internal predecessors, (121), 6 states have call successors, (17), 9 states have call predecessors, (17), 6 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2022-11-20 12:20:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:20:13,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:20:13,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:20:13,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:20:14,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:20:14,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:20:18,292 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 806 812) no Hoare annotation was computed. [2022-11-20 12:20:18,292 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 806 812) the Hoare annotation is: true [2022-11-20 12:20:18,292 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: true [2022-11-20 12:20:18,292 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2022-11-20 12:20:18,292 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2022-11-20 12:20:18,293 INFO L899 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2022-11-20 12:20:18,293 INFO L895 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse4 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (= |timeShift_processEnvironment_~tmp~7#1| 0) .cse2 .cse3 .cse4 .cse5) (not (= |old(~pumpRunning~0)| 1)) (and .cse6 .cse2 .cse3 .cse4) .cse1 .cse7)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse6 .cse2 .cse8 .cse4) .cse0 (and (<= 2 ~waterLevel~0) .cse8 .cse5) .cse1 .cse7)))) [2022-11-20 12:20:18,294 INFO L895 garLoopResultBuilder]: At program point L878(lines 873 880) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0 .cse1))) [2022-11-20 12:20:18,294 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 782 805) no Hoare annotation was computed. [2022-11-20 12:20:18,294 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 969) no Hoare annotation was computed. [2022-11-20 12:20:18,294 INFO L899 garLoopResultBuilder]: For program point L965-2(lines 965 969) no Hoare annotation was computed. [2022-11-20 12:20:18,295 INFO L895 garLoopResultBuilder]: At program point L705(lines 700 707) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-20 12:20:18,295 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (and (= |timeShift_processEnvironment_~tmp~7#1| 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))))) [2022-11-20 12:20:18,295 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-11-20 12:20:18,295 INFO L895 garLoopResultBuilder]: At program point L466-2(lines 462 473) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-20 12:20:18,296 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 449) no Hoare annotation was computed. [2022-11-20 12:20:18,296 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-20 12:20:18,296 INFO L895 garLoopResultBuilder]: At program point L859-1(lines 840 864) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 1))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) .cse4 .cse5)) (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 1)) (and .cse0 .cse1 .cse6) .cse4 .cse5 (and (= |timeShift_processEnvironment_~tmp~7#1| 0) .cse1 .cse6 .cse3))))) [2022-11-20 12:20:18,296 INFO L899 garLoopResultBuilder]: For program point L793-1(lines 793 799) no Hoare annotation was computed. [2022-11-20 12:20:18,297 INFO L895 garLoopResultBuilder]: At program point L558(lines 553 561) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-20 12:20:18,297 INFO L895 garLoopResultBuilder]: At program point L971(lines 956 974) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-20 12:20:18,297 INFO L895 garLoopResultBuilder]: At program point L897(lines 892 900) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= |timeShift_isPumpRunning_#res#1| 1) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-20 12:20:18,298 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2022-11-20 12:20:18,298 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2022-11-20 12:20:18,298 INFO L895 garLoopResultBuilder]: At program point L435-1(lines 420 452) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 1))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) .cse4 .cse5)) (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 1)) (and .cse0 .cse1 .cse6) .cse4 .cse5 (and (= |timeShift_processEnvironment_~tmp~7#1| 0) .cse1 .cse6 .cse3))))) [2022-11-20 12:20:18,298 INFO L899 garLoopResultBuilder]: For program point L786-1(lines 785 804) no Hoare annotation was computed. [2022-11-20 12:20:18,299 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2022-11-20 12:20:18,299 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 782 805) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse2) .cse0 .cse1))) [2022-11-20 12:20:18,299 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2022-11-20 12:20:18,299 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 1))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) .cse4 .cse5)) (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 1)) (and .cse0 .cse1 .cse6) .cse4 .cse5 (and (= |timeShift_processEnvironment_~tmp~7#1| 0) .cse1 .cse6 .cse3))))) [2022-11-20 12:20:18,300 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 782 805) no Hoare annotation was computed. [2022-11-20 12:20:18,300 INFO L899 garLoopResultBuilder]: For program point L427-1(line 427) no Hoare annotation was computed. [2022-11-20 12:20:18,300 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2022-11-20 12:20:18,300 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-11-20 12:20:18,300 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 565 594) no Hoare annotation was computed. [2022-11-20 12:20:18,301 INFO L902 garLoopResultBuilder]: At program point L575-2(lines 575 589) the Hoare annotation is: true [2022-11-20 12:20:18,301 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 565 594) the Hoare annotation is: true [2022-11-20 12:20:18,301 INFO L902 garLoopResultBuilder]: At program point L571(line 571) the Hoare annotation is: true [2022-11-20 12:20:18,301 INFO L899 garLoopResultBuilder]: For program point L571-1(line 571) no Hoare annotation was computed. [2022-11-20 12:20:18,301 INFO L902 garLoopResultBuilder]: At program point L590(lines 565 594) the Hoare annotation is: true [2022-11-20 12:20:18,302 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2022-11-20 12:20:18,302 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2022-11-20 12:20:18,302 INFO L902 garLoopResultBuilder]: At program point L579-1(lines 579 583) the Hoare annotation is: true [2022-11-20 12:20:18,302 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 498 506) the Hoare annotation is: true [2022-11-20 12:20:18,302 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2022-11-20 12:20:18,303 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2022-11-20 12:20:18,303 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 762) no Hoare annotation was computed. [2022-11-20 12:20:18,303 INFO L895 garLoopResultBuilder]: At program point L758-2(lines 750 763) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-11-20 12:20:18,303 INFO L899 garLoopResultBuilder]: For program point L721(lines 720 767) no Hoare annotation was computed. [2022-11-20 12:20:18,303 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 763) no Hoare annotation was computed. [2022-11-20 12:20:18,304 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 658) no Hoare annotation was computed. [2022-11-20 12:20:18,304 INFO L899 garLoopResultBuilder]: For program point L651-2(lines 651 658) no Hoare annotation was computed. [2022-11-20 12:20:18,304 INFO L895 garLoopResultBuilder]: At program point L680(lines 676 682) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 12:20:18,304 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-11-20 12:20:18,305 INFO L902 garLoopResultBuilder]: At program point L771(lines 710 775) the Hoare annotation is: true [2022-11-20 12:20:18,305 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:20:18,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:20:18,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:20:18,305 INFO L902 garLoopResultBuilder]: At program point L635(lines 628 637) the Hoare annotation is: true [2022-11-20 12:20:18,305 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2022-11-20 12:20:18,306 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2022-11-20 12:20:18,306 INFO L902 garLoopResultBuilder]: At program point L660(lines 641 663) the Hoare annotation is: true [2022-11-20 12:20:18,306 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2022-11-20 12:20:18,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:20:18,306 INFO L895 garLoopResultBuilder]: At program point L768(lines 719 769) the Hoare annotation is: false [2022-11-20 12:20:18,307 INFO L895 garLoopResultBuilder]: At program point L624(lines 620 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 12:20:18,307 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2022-11-20 12:20:18,307 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 740 746) no Hoare annotation was computed. [2022-11-20 12:20:18,307 INFO L895 garLoopResultBuilder]: At program point L765(lines 720 767) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)))) [2022-11-20 12:20:18,308 INFO L895 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)))) [2022-11-20 12:20:18,308 INFO L895 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 12:20:18,308 INFO L895 garLoopResultBuilder]: At program point L980(lines 975 982) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-11-20 12:20:18,308 INFO L895 garLoopResultBuilder]: At program point L687(lines 683 689) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 12:20:18,309 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 814 838) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-20 12:20:18,309 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2022-11-20 12:20:18,309 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse1) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) .cse0 .cse2 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse1))) [2022-11-20 12:20:18,309 INFO L895 garLoopResultBuilder]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse4 (not .cse6)) (.cse5 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (and .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse3 .cse4) .cse5 .cse6) (or .cse0 (and .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (not .cse3) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) .cse4) (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse6) (or (not (= |old(~pumpRunning~0)| 1)) .cse5 .cse6)))) [2022-11-20 12:20:18,310 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 830) no Hoare annotation was computed. [2022-11-20 12:20:18,310 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 835) no Hoare annotation was computed. [2022-11-20 12:20:18,310 INFO L899 garLoopResultBuilder]: For program point L946(lines 946 950) no Hoare annotation was computed. [2022-11-20 12:20:18,310 INFO L899 garLoopResultBuilder]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2022-11-20 12:20:18,311 INFO L895 garLoopResultBuilder]: At program point L870(lines 865 872) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (<= 2 ~waterLevel~0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 1)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0))) [2022-11-20 12:20:18,311 INFO L895 garLoopResultBuilder]: At program point L548(lines 539 552) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse2 (not .cse1)) (not (<= ~waterLevel~0 2)) .cse3)) (or (not (= |old(~pumpRunning~0)| 1)) (not .cse2) .cse3))) [2022-11-20 12:20:18,311 INFO L895 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-20 12:20:18,311 INFO L899 garLoopResultBuilder]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2022-11-20 12:20:18,312 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 814 838) no Hoare annotation was computed. [2022-11-20 12:20:18,312 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2022-11-20 12:20:18,312 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2022-11-20 12:20:18,312 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 1)) .cse0 .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-11-20 12:20:18,317 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:18,320 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:20:18,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:20:18 BoogieIcfgContainer [2022-11-20 12:20:18,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:20:18,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:20:18,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:20:18,361 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:20:18,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:20:05" (3/4) ... [2022-11-20 12:20:18,365 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:20:18,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 12:20:18,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 12:20:18,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 12:20:18,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 12:20:18,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 12:20:18,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 12:20:18,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 12:20:18,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 12:20:18,404 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 12:20:18,404 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:20:18,405 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:20:18,406 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:20:18,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-20 12:20:18,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-20 12:20:18,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) [2022-11-20 12:20:18,438 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 12:20:18,438 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((tmp == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) [2022-11-20 12:20:18,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) [2022-11-20 12:20:18,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((tmp == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) [2022-11-20 12:20:18,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 12:20:18,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((((((((tmp == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 12:20:18,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && !(\result == 0))) || !(waterLevel <= 2)) || 0 == systemActive) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-11-20 12:20:18,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 12:20:18,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (((\result == 1 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 12:20:18,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && !(0 == systemActive))) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-11-20 12:20:18,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 12:20:18,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || ((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && 1 <= tmp___0) && \result == 0) && pumpRunning == 1)) || !(waterLevel <= 2)) || 0 == systemActive) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-11-20 12:20:18,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 12:20:18,469 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:20:18,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:20:18,470 INFO L158 Benchmark]: Toolchain (without parser) took 14291.93ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 132.1MB in the beginning and 135.2MB in the end (delta: -3.1MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-11-20 12:20:18,470 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:20:18,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.58ms. Allocated memory is still 169.9MB. Free memory was 132.1MB in the beginning and 128.8MB in the end (delta: 3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:20:18,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.26ms. Allocated memory is still 169.9MB. Free memory was 128.8MB in the beginning and 126.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:20:18,472 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 125.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:20:18,472 INFO L158 Benchmark]: RCFGBuilder took 717.30ms. Allocated memory is still 169.9MB. Free memory was 124.7MB in the beginning and 107.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:20:18,472 INFO L158 Benchmark]: TraceAbstraction took 12706.83ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 107.2MB in the beginning and 140.4MB in the end (delta: -33.2MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2022-11-20 12:20:18,473 INFO L158 Benchmark]: Witness Printer took 109.02ms. Allocated memory is still 247.5MB. Free memory was 140.4MB in the beginning and 135.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:20:18,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.58ms. Allocated memory is still 169.9MB. Free memory was 132.1MB in the beginning and 128.8MB in the end (delta: 3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.26ms. Allocated memory is still 169.9MB. Free memory was 128.8MB in the beginning and 126.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 169.9MB. Free memory was 126.7MB in the beginning and 125.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.30ms. Allocated memory is still 169.9MB. Free memory was 124.7MB in the beginning and 107.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12706.83ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 107.2MB in the beginning and 140.4MB in the end (delta: -33.2MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. * Witness Printer took 109.02ms. Allocated memory is still 247.5MB. Free memory was 140.4MB in the beginning and 135.2MB in the end (delta: 5.2MB). 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: 704]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.6s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1954 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1924 mSDsluCounter, 3954 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2835 mSDsCounter, 487 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2083 IncrementalHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 487 mSolverCounterUnsat, 1119 mSDtfsCounter, 2083 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 384 GetRequests, 255 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=9, InterpolantAutomatonStates: 115, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 65 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 960 PreInvPairs, 1144 NumberOfFragments, 1193 HoareAnnotationTreeSize, 960 FomulaSimplifications, 115 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 6658 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 618 NumberOfCodeBlocks, 618 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 685 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270 SizeOfPredicates, 4 NumberOfNonLiveVariables, 300 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 46/63 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: 420]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((tmp == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && !(0 == systemActive))) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && !(\result == 0))) || !(waterLevel <= 2)) || 0 == systemActive) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((tmp == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((\result == 1 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || ((((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && 1 <= tmp___0) && \result == 0) && pumpRunning == 1)) || !(waterLevel <= 2)) || 0 == systemActive) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((((((((tmp == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-11-20 12:20:18,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b37b763b-91e2-4beb-8b9b-987cb8ba6d09/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE