./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:19:41,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:19:41,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:19:41,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:19:41,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:19:41,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:19:41,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:19:41,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:19:41,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:19:41,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:19:41,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:19:41,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:19:41,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:19:41,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:19:41,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:19:41,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:19:41,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:19:41,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:19:41,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:19:41,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:19:41,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:19:41,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:19:41,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:19:41,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:19:41,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:19:41,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:19:41,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:19:41,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:19:41,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:19:41,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:19:41,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:19:41,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:19:41,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:19:41,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:19:41,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:19:41,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:19:41,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:19:41,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:19:41,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:19:41,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:19:41,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:19:41,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 18:19:41,602 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:19:41,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:19:41,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:19:41,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:19:41,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:19:41,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:19:41,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:19:41,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:19:41,606 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:19:41,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:19:41,607 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:19:41,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:19:41,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:19:41,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:19:41,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:19:41,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:19:41,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:19:41,608 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:19:41,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:19:41,608 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:19:41,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:19:41,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:19:41,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:19:41,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:19:41,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:19:41,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:19:41,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:19:41,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:19:41,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:19:41,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:19:41,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:19:41,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:19:41,611 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:19:41,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:19:41,611 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:19:41,611 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 [2022-12-13 18:19:41,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:19:41,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:19:41,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:19:41,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:19:41,848 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:19:41,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2022-12-13 18:19:44,534 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:19:44,699 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:19:44,699 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2022-12-13 18:19:44,707 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/data/3f8f6863d/3b7461f1ba924491b94cfde4e1beee7c/FLAG9ecf05b6a [2022-12-13 18:19:44,718 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/data/3f8f6863d/3b7461f1ba924491b94cfde4e1beee7c [2022-12-13 18:19:44,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:19:44,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:19:44,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:19:44,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:19:44,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:19:44,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:19:44" (1/1) ... [2022-12-13 18:19:44,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c0c5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:44, skipping insertion in model container [2022-12-13 18:19:44,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:19:44" (1/1) ... [2022-12-13 18:19:44,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:19:44,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:19:44,859 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_5013b578-d0d8-4415-98f9-12eea1e1f821/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2022-12-13 18:19:44,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:19:44,950 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:19:44,960 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_5013b578-d0d8-4415-98f9-12eea1e1f821/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2022-12-13 18:19:45,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:19:45,015 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:19:45,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45 WrapperNode [2022-12-13 18:19:45,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:19:45,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:19:45,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:19:45,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:19:45,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,047 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 203 [2022-12-13 18:19:45,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:19:45,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:19:45,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:19:45,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:19:45,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,064 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:19:45,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:19:45,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:19:45,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:19:45,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (1/1) ... [2022-12-13 18:19:45,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:19:45,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:19:45,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:19:45,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:19:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:19:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 18:19:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 18:19:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 18:19:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 18:19:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 18:19:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 18:19:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 18:19:45,120 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 18:19:45,120 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 18:19:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 18:19:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-12-13 18:19:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-12-13 18:19:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 18:19:45,121 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 18:19:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:19:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 18:19:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 18:19:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:19:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:19:45,185 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:19:45,186 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:19:45,387 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:19:45,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:19:45,395 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:19:45,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:45 BoogieIcfgContainer [2022-12-13 18:19:45,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:19:45,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:19:45,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:19:45,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:19:45,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:19:44" (1/3) ... [2022-12-13 18:19:45,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed5470c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:19:45, skipping insertion in model container [2022-12-13 18:19:45,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:19:45" (2/3) ... [2022-12-13 18:19:45,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed5470c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:19:45, skipping insertion in model container [2022-12-13 18:19:45,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:45" (3/3) ... [2022-12-13 18:19:45,407 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2022-12-13 18:19:45,426 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:19:45,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:19:45,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:19:45,476 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;@7e3f6196, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:19:45,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:19:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-13 18:19:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 18:19:45,487 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:45,488 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:45,488 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:45,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:45,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1244587252, now seen corresponding path program 1 times [2022-12-13 18:19:45,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:45,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118732605] [2022-12-13 18:19:45,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:45,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 18:19:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:19:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:19:45,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:45,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118732605] [2022-12-13 18:19:45,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118732605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:45,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:45,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:19:45,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205257126] [2022-12-13 18:19:45,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:45,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:19:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:45,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:19:45,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:19:45,717 INFO L87 Difference]: Start difference. First operand has 97 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:19:45,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:45,754 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2022-12-13 18:19:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:19:45,756 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-12-13 18:19:45,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:45,766 INFO L225 Difference]: With dead ends: 185 [2022-12-13 18:19:45,766 INFO L226 Difference]: Without dead ends: 88 [2022-12-13 18:19:45,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:19:45,772 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:45,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:19:45,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-12-13 18:19:45,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-12-13 18:19:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.303030303030303) internal successors, (86), 74 states have internal predecessors, (86), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-12-13 18:19:45,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-12-13 18:19:45,818 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 32 [2022-12-13 18:19:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:45,818 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-12-13 18:19:45,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:19:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-12-13 18:19:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 18:19:45,821 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:45,821 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:45,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:19:45,822 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:45,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:45,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1577409017, now seen corresponding path program 1 times [2022-12-13 18:19:45,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:45,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835053652] [2022-12-13 18:19:45,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:45,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 18:19:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 18:19:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:19:45,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:45,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835053652] [2022-12-13 18:19:45,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835053652] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:45,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:45,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:19:45,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139128525] [2022-12-13 18:19:45,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:45,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:19:45,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:45,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:19:45,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:19:45,935 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:19:45,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:45,952 INFO L93 Difference]: Finished difference Result 137 states and 175 transitions. [2022-12-13 18:19:45,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:19:45,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-12-13 18:19:45,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:45,954 INFO L225 Difference]: With dead ends: 137 [2022-12-13 18:19:45,954 INFO L226 Difference]: Without dead ends: 79 [2022-12-13 18:19:45,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:19:45,956 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:45,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 179 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:19:45,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-13 18:19:45,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-12-13 18:19:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 68 states have internal predecessors, (79), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 18:19:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2022-12-13 18:19:45,963 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 33 [2022-12-13 18:19:45,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:45,963 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2022-12-13 18:19:45,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:19:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-12-13 18:19:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-13 18:19:45,964 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:45,964 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:45,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:19:45,965 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:45,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:45,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1563484802, now seen corresponding path program 1 times [2022-12-13 18:19:45,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:45,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018531958] [2022-12-13 18:19:45,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:45,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:19:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 18:19:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:19:46,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:46,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018531958] [2022-12-13 18:19:46,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018531958] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:46,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:46,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:19:46,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586808768] [2022-12-13 18:19:46,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:46,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:19:46,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:46,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:19:46,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:19:46,037 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:19:46,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:46,065 INFO L93 Difference]: Finished difference Result 220 states and 287 transitions. [2022-12-13 18:19:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:19:46,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-12-13 18:19:46,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:46,068 INFO L225 Difference]: With dead ends: 220 [2022-12-13 18:19:46,068 INFO L226 Difference]: Without dead ends: 149 [2022-12-13 18:19:46,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:19:46,070 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 76 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:46,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 214 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:19:46,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-12-13 18:19:46,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 146. [2022-12-13 18:19:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 124 states have internal predecessors, (146), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-12-13 18:19:46,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2022-12-13 18:19:46,088 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 37 [2022-12-13 18:19:46,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:46,089 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2022-12-13 18:19:46,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:19:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2022-12-13 18:19:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 18:19:46,090 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:46,090 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:46,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:19:46,090 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:46,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:46,091 INFO L85 PathProgramCache]: Analyzing trace with hash 209384056, now seen corresponding path program 1 times [2022-12-13 18:19:46,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:46,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673433082] [2022-12-13 18:19:46,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 18:19:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 18:19:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 18:19:46,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:46,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673433082] [2022-12-13 18:19:46,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673433082] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:46,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:46,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:19:46,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68808109] [2022-12-13 18:19:46,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:46,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:19:46,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:46,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:19:46,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:19:46,234 INFO L87 Difference]: Start difference. First operand 146 states and 190 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:19:46,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:46,354 INFO L93 Difference]: Finished difference Result 386 states and 515 transitions. [2022-12-13 18:19:46,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:19:46,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-12-13 18:19:46,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:46,357 INFO L225 Difference]: With dead ends: 386 [2022-12-13 18:19:46,357 INFO L226 Difference]: Without dead ends: 248 [2022-12-13 18:19:46,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:19:46,359 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 50 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:46,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 483 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:19:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-12-13 18:19:46,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 235. [2022-12-13 18:19:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 176 states have (on average 1.2954545454545454) internal successors, (228), 191 states have internal predecessors, (228), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-12-13 18:19:46,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 300 transitions. [2022-12-13 18:19:46,387 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 300 transitions. Word has length 41 [2022-12-13 18:19:46,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:46,388 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 300 transitions. [2022-12-13 18:19:46,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:19:46,388 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 300 transitions. [2022-12-13 18:19:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 18:19:46,390 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:46,390 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:46,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:19:46,390 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:46,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:46,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1528927009, now seen corresponding path program 1 times [2022-12-13 18:19:46,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:46,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358948081] [2022-12-13 18:19:46,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:46,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:19:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 18:19:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 18:19:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:19:46,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:46,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358948081] [2022-12-13 18:19:46,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358948081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:46,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:46,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:19:46,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886621172] [2022-12-13 18:19:46,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:46,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:19:46,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:46,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:19:46,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:19:46,484 INFO L87 Difference]: Start difference. First operand 235 states and 300 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:19:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:46,624 INFO L93 Difference]: Finished difference Result 522 states and 677 transitions. [2022-12-13 18:19:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:19:46,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-12-13 18:19:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:46,626 INFO L225 Difference]: With dead ends: 522 [2022-12-13 18:19:46,627 INFO L226 Difference]: Without dead ends: 295 [2022-12-13 18:19:46,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:19:46,629 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 65 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:46,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 377 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:19:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2022-12-13 18:19:46,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 287. [2022-12-13 18:19:46,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 218 states have (on average 1.275229357798165) internal successors, (278), 233 states have internal predecessors, (278), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2022-12-13 18:19:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 364 transitions. [2022-12-13 18:19:46,660 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 364 transitions. Word has length 51 [2022-12-13 18:19:46,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:46,660 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 364 transitions. [2022-12-13 18:19:46,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:19:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 364 transitions. [2022-12-13 18:19:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 18:19:46,662 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:46,662 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:46,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:19:46,662 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:46,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:46,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1077096545, now seen corresponding path program 1 times [2022-12-13 18:19:46,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:46,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430236263] [2022-12-13 18:19:46,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:46,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:19:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 18:19:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 18:19:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:19:46,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:46,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430236263] [2022-12-13 18:19:46,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430236263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:46,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:46,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 18:19:46,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976201915] [2022-12-13 18:19:46,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:46,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:19:46,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:46,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:19:46,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:19:46,769 INFO L87 Difference]: Start difference. First operand 287 states and 364 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 18:19:46,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:46,959 INFO L93 Difference]: Finished difference Result 596 states and 773 transitions. [2022-12-13 18:19:46,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:19:46,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2022-12-13 18:19:46,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:46,961 INFO L225 Difference]: With dead ends: 596 [2022-12-13 18:19:46,961 INFO L226 Difference]: Without dead ends: 317 [2022-12-13 18:19:46,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:19:46,962 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 213 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:46,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 429 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:19:46,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2022-12-13 18:19:46,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 291. [2022-12-13 18:19:46,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 222 states have (on average 1.2702702702702702) internal successors, (282), 237 states have internal predecessors, (282), 36 states have call successors, (36), 26 states have call predecessors, (36), 32 states have return successors, (50), 37 states have call predecessors, (50), 36 states have call successors, (50) [2022-12-13 18:19:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2022-12-13 18:19:46,981 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 51 [2022-12-13 18:19:46,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:46,982 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2022-12-13 18:19:46,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 18:19:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2022-12-13 18:19:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-13 18:19:46,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:46,983 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:46,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:19:46,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:46,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1499798371, now seen corresponding path program 1 times [2022-12-13 18:19:46,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:46,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348468458] [2022-12-13 18:19:46,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:46,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 18:19:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 18:19:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 18:19:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:19:47,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:47,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348468458] [2022-12-13 18:19:47,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348468458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:47,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:47,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:19:47,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127171389] [2022-12-13 18:19:47,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:47,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:19:47,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:47,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:19:47,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:19:47,060 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:19:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:47,265 INFO L93 Difference]: Finished difference Result 846 states and 1109 transitions. [2022-12-13 18:19:47,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:19:47,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-12-13 18:19:47,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:47,269 INFO L225 Difference]: With dead ends: 846 [2022-12-13 18:19:47,269 INFO L226 Difference]: Without dead ends: 563 [2022-12-13 18:19:47,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:19:47,271 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 221 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:47,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 321 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:19:47,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-12-13 18:19:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 556. [2022-12-13 18:19:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 421 states have (on average 1.2351543942992873) internal successors, (520), 445 states have internal predecessors, (520), 73 states have call successors, (73), 59 states have call predecessors, (73), 61 states have return successors, (111), 72 states have call predecessors, (111), 73 states have call successors, (111) [2022-12-13 18:19:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 704 transitions. [2022-12-13 18:19:47,319 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 704 transitions. Word has length 51 [2022-12-13 18:19:47,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:47,320 INFO L495 AbstractCegarLoop]: Abstraction has 556 states and 704 transitions. [2022-12-13 18:19:47,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 18:19:47,320 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 704 transitions. [2022-12-13 18:19:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 18:19:47,321 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:47,321 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:47,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:19:47,322 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:47,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:47,322 INFO L85 PathProgramCache]: Analyzing trace with hash -85847159, now seen corresponding path program 1 times [2022-12-13 18:19:47,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:47,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364677773] [2022-12-13 18:19:47,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:47,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:19:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 18:19:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 18:19:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-12-13 18:19:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:19:47,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:47,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364677773] [2022-12-13 18:19:47,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364677773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:47,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:47,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 18:19:47,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540056748] [2022-12-13 18:19:47,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:47,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 18:19:47,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:47,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 18:19:47,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:19:47,529 INFO L87 Difference]: Start difference. First operand 556 states and 704 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 18:19:48,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:48,312 INFO L93 Difference]: Finished difference Result 1787 states and 2374 transitions. [2022-12-13 18:19:48,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 18:19:48,313 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2022-12-13 18:19:48,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:48,317 INFO L225 Difference]: With dead ends: 1787 [2022-12-13 18:19:48,317 INFO L226 Difference]: Without dead ends: 1342 [2022-12-13 18:19:48,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 18:19:48,320 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 513 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:48,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 885 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 18:19:48,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2022-12-13 18:19:48,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1083. [2022-12-13 18:19:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 820 states have (on average 1.2317073170731707) internal successors, (1010), 873 states have internal predecessors, (1010), 142 states have call successors, (142), 104 states have call predecessors, (142), 120 states have return successors, (220), 140 states have call predecessors, (220), 142 states have call successors, (220) [2022-12-13 18:19:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1372 transitions. [2022-12-13 18:19:48,388 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1372 transitions. Word has length 55 [2022-12-13 18:19:48,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:48,389 INFO L495 AbstractCegarLoop]: Abstraction has 1083 states and 1372 transitions. [2022-12-13 18:19:48,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 18:19:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1372 transitions. [2022-12-13 18:19:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-13 18:19:48,390 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:48,390 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:48,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:19:48,391 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:48,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:48,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1602781584, now seen corresponding path program 1 times [2022-12-13 18:19:48,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:48,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348471661] [2022-12-13 18:19:48,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:48,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:19:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 18:19:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 18:19:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-12-13 18:19:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-12-13 18:19:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 18:19:48,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:48,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348471661] [2022-12-13 18:19:48,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348471661] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:19:48,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:19:48,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:19:48,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027575729] [2022-12-13 18:19:48,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:19:48,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:19:48,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:48,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:19:48,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:19:48,463 INFO L87 Difference]: Start difference. First operand 1083 states and 1372 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-12-13 18:19:48,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:48,728 INFO L93 Difference]: Finished difference Result 1319 states and 1661 transitions. [2022-12-13 18:19:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 18:19:48,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 85 [2022-12-13 18:19:48,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:48,732 INFO L225 Difference]: With dead ends: 1319 [2022-12-13 18:19:48,732 INFO L226 Difference]: Without dead ends: 556 [2022-12-13 18:19:48,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-12-13 18:19:48,735 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 310 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:48,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 332 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 18:19:48,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-12-13 18:19:48,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 530. [2022-12-13 18:19:48,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 402 states have (on average 1.1965174129353233) internal successors, (481), 426 states have internal predecessors, (481), 68 states have call successors, (68), 51 states have call predecessors, (68), 59 states have return successors, (107), 68 states have call predecessors, (107), 68 states have call successors, (107) [2022-12-13 18:19:48,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 656 transitions. [2022-12-13 18:19:48,760 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 656 transitions. Word has length 85 [2022-12-13 18:19:48,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:48,761 INFO L495 AbstractCegarLoop]: Abstraction has 530 states and 656 transitions. [2022-12-13 18:19:48,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (7), 5 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-12-13 18:19:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 656 transitions. [2022-12-13 18:19:48,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-13 18:19:48,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:48,762 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:48,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:19:48,762 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:48,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:48,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1627346287, now seen corresponding path program 1 times [2022-12-13 18:19:48,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:48,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831399061] [2022-12-13 18:19:48,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:48,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:19:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 18:19:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 18:19:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 18:19:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 18:19:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:19:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-12-13 18:19:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 18:19:48,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:48,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831399061] [2022-12-13 18:19:48,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831399061] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:19:48,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017441903] [2022-12-13 18:19:48,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:48,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:19:48,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:19:48,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:19:48,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:19:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:48,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 18:19:48,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:19:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:19:49,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:19:49,260 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 18:19:49,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017441903] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:19:49,260 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:19:49,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-12-13 18:19:49,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915746634] [2022-12-13 18:19:49,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:19:49,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 18:19:49,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:49,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 18:19:49,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-12-13 18:19:49,262 INFO L87 Difference]: Start difference. First operand 530 states and 656 transitions. Second operand has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2022-12-13 18:19:50,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:50,043 INFO L93 Difference]: Finished difference Result 1149 states and 1458 transitions. [2022-12-13 18:19:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-13 18:19:50,044 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) Word has length 94 [2022-12-13 18:19:50,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:50,047 INFO L225 Difference]: With dead ends: 1149 [2022-12-13 18:19:50,047 INFO L226 Difference]: Without dead ends: 675 [2022-12-13 18:19:50,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 209 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2022-12-13 18:19:50,051 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 449 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:50,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 789 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 18:19:50,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2022-12-13 18:19:50,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 591. [2022-12-13 18:19:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 442 states have (on average 1.1787330316742082) internal successors, (521), 474 states have internal predecessors, (521), 78 states have call successors, (78), 65 states have call predecessors, (78), 70 states have return successors, (103), 73 states have call predecessors, (103), 78 states have call successors, (103) [2022-12-13 18:19:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 702 transitions. [2022-12-13 18:19:50,111 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 702 transitions. Word has length 94 [2022-12-13 18:19:50,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:50,111 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 702 transitions. [2022-12-13 18:19:50,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.6) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2022-12-13 18:19:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 702 transitions. [2022-12-13 18:19:50,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-13 18:19:50,114 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:19:50,114 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:50,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:19:50,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 18:19:50,315 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:19:50,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:19:50,315 INFO L85 PathProgramCache]: Analyzing trace with hash -429186901, now seen corresponding path program 1 times [2022-12-13 18:19:50,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:19:50,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321315221] [2022-12-13 18:19:50,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:50,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:19:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 18:19:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 18:19:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 18:19:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-12-13 18:19:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 18:19:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 18:19:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 18:19:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 18:19:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 18:19:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-12-13 18:19:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-12-13 18:19:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 18:19:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 66 proven. 5 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-13 18:19:50,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:19:50,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321315221] [2022-12-13 18:19:50,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321315221] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:19:50,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251634155] [2022-12-13 18:19:50,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:19:50,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:19:50,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:19:50,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:19:50,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 18:19:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:19:50,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 18:19:50,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:19:50,766 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 134 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 18:19:50,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:19:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 77 proven. 39 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-13 18:19:51,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251634155] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:19:51,094 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 18:19:51,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-12-13 18:19:51,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221849063] [2022-12-13 18:19:51,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 18:19:51,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 18:19:51,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:19:51,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 18:19:51,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2022-12-13 18:19:51,096 INFO L87 Difference]: Start difference. First operand 591 states and 702 transitions. Second operand has 25 states, 25 states have (on average 8.12) internal successors, (203), 21 states have internal predecessors, (203), 9 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) [2022-12-13 18:19:51,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:19:51,965 INFO L93 Difference]: Finished difference Result 1225 states and 1502 transitions. [2022-12-13 18:19:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-13 18:19:51,966 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.12) internal successors, (203), 21 states have internal predecessors, (203), 9 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) Word has length 167 [2022-12-13 18:19:51,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:19:51,967 INFO L225 Difference]: With dead ends: 1225 [2022-12-13 18:19:51,967 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:19:51,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 349 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 18:19:51,969 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 442 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 18:19:51,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 892 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 18:19:51,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:19:51,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:19:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:19:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:19:51,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2022-12-13 18:19:51,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:19:51,970 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:19:51,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.12) internal successors, (203), 21 states have internal predecessors, (203), 9 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) [2022-12-13 18:19:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:19:51,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:19:51,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 18:19:51,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 18:19:52,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:19:52,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:19:58,193 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 206 213) no Hoare annotation was computed. [2022-12-13 18:19:58,193 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 206 213) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 1 ~systemActive~0))) (or .cse0 (not (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0)))) [2022-12-13 18:19:58,193 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 206 213) no Hoare annotation was computed. [2022-12-13 18:19:58,193 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 139 145) no Hoare annotation was computed. [2022-12-13 18:19:58,193 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 139 145) the Hoare annotation is: true [2022-12-13 18:19:58,193 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 915 926) the Hoare annotation is: true [2022-12-13 18:19:58,193 INFO L899 garLoopResultBuilder]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2022-12-13 18:19:58,193 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2022-12-13 18:19:58,194 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2022-12-13 18:19:58,194 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 306 335) no Hoare annotation was computed. [2022-12-13 18:19:58,194 INFO L902 garLoopResultBuilder]: At program point L320-1(lines 320 324) the Hoare annotation is: true [2022-12-13 18:19:58,194 INFO L899 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2022-12-13 18:19:58,194 INFO L902 garLoopResultBuilder]: At program point L316-2(lines 316 330) the Hoare annotation is: true [2022-12-13 18:19:58,194 INFO L902 garLoopResultBuilder]: At program point L312(line 312) the Hoare annotation is: true [2022-12-13 18:19:58,194 INFO L899 garLoopResultBuilder]: For program point L312-1(line 312) no Hoare annotation was computed. [2022-12-13 18:19:58,194 INFO L902 garLoopResultBuilder]: At program point L331(lines 306 335) the Hoare annotation is: true [2022-12-13 18:19:58,194 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 306 335) the Hoare annotation is: true [2022-12-13 18:19:58,194 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2022-12-13 18:19:58,194 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2) (or .cse1 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= 0 ~systemActive~0))))) [2022-12-13 18:19:58,194 INFO L895 garLoopResultBuilder]: At program point L192-1(lines 173 197) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (<= ~waterLevel~0 1)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (= 1 ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse10 .cse4)) (.cse2 (not .cse15)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse3 .cse7 .cse14 .cse15 .cse16 .cse9)) (.cse12 (and .cse10 .cse14 .cse15 .cse16 .cse9)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (let ((.cse8 (= ~waterLevel~0 1))) (or .cse2 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse7 .cse8 .cse9) .cse5 (and .cse10 .cse8 .cse9))) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse6 .cse11 .cse12 .cse13) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (and .cse7 .cse4 .cse9) .cse2 .cse6 .cse11 .cse12 (and .cse10 .cse4 .cse9) .cse5 .cse13) (or .cse0 (not (= 0 ~systemActive~0)))))) [2022-12-13 18:19:58,194 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 126 132) no Hoare annotation was computed. [2022-12-13 18:19:58,194 INFO L899 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2022-12-13 18:19:58,195 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 112 138) no Hoare annotation was computed. [2022-12-13 18:19:58,195 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 899) no Hoare annotation was computed. [2022-12-13 18:19:58,195 INFO L895 garLoopResultBuilder]: At program point L895-2(lines 891 902) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse8)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse5) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse7 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2022-12-13 18:19:58,195 INFO L899 garLoopResultBuilder]: For program point L119(lines 119 125) no Hoare annotation was computed. [2022-12-13 18:19:58,195 INFO L895 garLoopResultBuilder]: At program point L503(line 503) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse20 (<= ~waterLevel~0 1)) (.cse19 (= 1 ~systemActive~0)) (.cse21 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse17 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| ~waterLevel~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse7 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 2)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse9 (and .cse16 .cse1 .cse20 .cse19 .cse21 .cse17 .cse8)) (.cse12 (and .cse5 .cse16 .cse20 .cse21 .cse17 .cse8)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not .cse19)) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse14 (not (< 1 |old(~waterLevel~0)|))) (.cse15 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 (and .cse5 .cse6 .cse7 .cse2 .cse8) .cse9 .cse10 .cse11 .cse12 (and .cse1 .cse6 .cse7 .cse2 .cse8) .cse13) (or .cse4 .cse0 .cse10 (and .cse1 .cse6 .cse7 .cse2)) (or .cse0 .cse14 .cse15 .cse3) (or .cse9 (not (= |old(~waterLevel~0)| 1)) .cse10 .cse11 .cse12 .cse13) (or .cse0 .cse10 .cse15 (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse18 (= ~waterLevel~0 1))) (or .cse10 .cse11 .cse14 (and .cse16 .cse1 .cse17 .cse18 .cse8) (and .cse5 .cse16 .cse17 .cse18 .cse8) .cse15))))) [2022-12-13 18:19:58,195 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 959 967) the Hoare annotation is: (let ((.cse17 (<= 1 ~pumpRunning~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse19 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse15 (<= ~waterLevel~0 1)) (.cse18 (= 1 ~systemActive~0)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse5 (and .cse19 .cse1 .cse15 .cse18 .cse20 .cse13)) (.cse7 (and .cse17 .cse14 .cse19 .cse15 .cse18 .cse20 .cse13)) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse9 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not .cse18)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse11 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse9 .cse10 .cse11 .cse3) (or .cse4 .cse5 .cse6 .cse7 (not (= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 .cse12 .cse2 .cse13) .cse4 .cse5 .cse6 .cse7 (and .cse14 .cse12 .cse2 .cse13) .cse8) (let ((.cse16 (= 2 ~waterLevel~0))) (or .cse0 .cse4 (and .cse1 .cse12 .cse15 .cse2) (and .cse1 .cse16 .cse9 .cse2) .cse11 (and .cse17 .cse16 .cse9 .cse2))) (or .cse4 .cse6 .cse10 (= ~waterLevel~0 1) .cse11)))) [2022-12-13 18:19:58,195 INFO L899 garLoopResultBuilder]: For program point L503-1(line 503) no Hoare annotation was computed. [2022-12-13 18:19:58,195 INFO L899 garLoopResultBuilder]: For program point L119-2(lines 115 137) no Hoare annotation was computed. [2022-12-13 18:19:58,195 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2022-12-13 18:19:58,196 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 194) no Hoare annotation was computed. [2022-12-13 18:19:58,196 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-12-13 18:19:58,196 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 50 57) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse0 .cse2) (or .cse3 (not (= 0 ~systemActive~0))))) [2022-12-13 18:19:58,196 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 112 138) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse8)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (and .cse2 .cse3 .cse8)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 (not (= |old(~waterLevel~0)| 2)) .cse5) (or .cse6 .cse1 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse7 .cse6 .cse0 .cse1) (or .cse7 .cse0 (not (= 0 ~systemActive~0)))))) [2022-12-13 18:19:58,196 INFO L895 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse8)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (and .cse2 .cse3 .cse8)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 (not (= |old(~waterLevel~0)| 2)) .cse5) (or .cse6 .cse1 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse7 .cse6 .cse0 .cse1) (or .cse7 .cse0 (not (= 0 ~systemActive~0)))))) [2022-12-13 18:19:58,196 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2022-12-13 18:19:58,196 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse8)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse5) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse7 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2022-12-13 18:19:58,196 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 515) no Hoare annotation was computed. [2022-12-13 18:19:58,196 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse8)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse5) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse7 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2022-12-13 18:19:58,197 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 518) no Hoare annotation was computed. [2022-12-13 18:19:58,197 INFO L895 garLoopResultBuilder]: At program point L501-1(lines 493 521) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse19 (<= 1 ~pumpRunning~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse17 (<= ~waterLevel~0 1)) (.cse23 (= 1 ~systemActive~0)) (.cse24 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse21 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| ~waterLevel~0)) (.cse16 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse0 (and .cse19 .cse13 .cse20 .cse17 .cse23 .cse24 .cse21 .cse16)) (.cse1 (and .cse20 .cse6 .cse17 .cse23 .cse24 .cse21 .cse16)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse14 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 2)) (.cse2 (not .cse23)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (< 1 |old(~waterLevel~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (or .cse5 (and .cse6 .cse7) .cse8) (or .cse5 .cse9 (and .cse10 .cse11) .cse12 .cse8) (let ((.cse15 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1| 2))) (or .cse0 (and .cse13 .cse14 .cse15 .cse7 .cse16) .cse1 .cse2 .cse3 (and .cse6 .cse14 .cse15 .cse7 .cse16) .cse12 .cse4)) (let ((.cse18 (= 2 ~waterLevel~0))) (or (and .cse13 .cse6 .cse14 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~5#1|)) .cse17 .cse7) .cse5 .cse2 (and .cse13 .cse6 .cse18 .cse10 .cse7 .cse11) (and .cse19 .cse18 .cse10 .cse7 .cse11) .cse12)) (let ((.cse22 (= ~waterLevel~0 1))) (or .cse2 .cse3 .cse9 (and .cse20 .cse6 .cse21 .cse22 .cse16) (and .cse13 .cse20 .cse21 .cse22 .cse16) .cse12))))) [2022-12-13 18:19:58,197 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 483 492) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse5))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse2 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= 0 ~systemActive~0)))))) [2022-12-13 18:19:58,197 INFO L895 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 927 935) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse8)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse5) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse7 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2022-12-13 18:19:58,197 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 112 138) no Hoare annotation was computed. [2022-12-13 18:19:58,197 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 214 224) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse8)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse5) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse7 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2022-12-13 18:19:58,197 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-12-13 18:19:58,197 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 442) no Hoare annotation was computed. [2022-12-13 18:19:58,197 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 436 442) no Hoare annotation was computed. [2022-12-13 18:19:58,197 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 371 381) the Hoare annotation is: true [2022-12-13 18:19:58,198 INFO L895 garLoopResultBuilder]: At program point L461(lines 416 463) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-12-13 18:19:58,198 INFO L895 garLoopResultBuilder]: At program point L428(line 428) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-12-13 18:19:58,198 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 18:19:58,198 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 382 404) the Hoare annotation is: true [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 362 368) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 399) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 392 399) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point L417(lines 416 463) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 459) no Hoare annotation was computed. [2022-12-13 18:19:58,198 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 475 482) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 18:19:58,198 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse1 .cse3) (and .cse4 (= 2 ~waterLevel~0) .cse2 .cse1) (and .cse4 .cse2 .cse1 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 18:19:58,198 INFO L902 garLoopResultBuilder]: At program point L467(lines 406 471) the Hoare annotation is: true [2022-12-13 18:19:58,198 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2022-12-13 18:19:58,199 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:19:58,199 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 18:19:58,199 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2022-12-13 18:19:58,199 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 422) no Hoare annotation was computed. [2022-12-13 18:19:58,199 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 289 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2022-12-13 18:19:58,199 INFO L895 garLoopResultBuilder]: At program point L464(lines 415 465) the Hoare annotation is: false [2022-12-13 18:19:58,199 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 18:19:58,199 INFO L895 garLoopResultBuilder]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2022-12-13 18:19:58,199 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2022-12-13 18:19:58,199 INFO L895 garLoopResultBuilder]: At program point L452-2(lines 446 459) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse1 .cse3) (and .cse4 (= 2 ~waterLevel~0) .cse2 .cse1) (and .cse4 .cse2 .cse1 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 18:19:58,199 INFO L895 garLoopResultBuilder]: At program point L161(line 161) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 18:19:58,199 INFO L899 garLoopResultBuilder]: For program point L155(lines 155 163) no Hoare annotation was computed. [2022-12-13 18:19:58,199 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 198 205) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 18:19:58,199 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 168) no Hoare annotation was computed. [2022-12-13 18:19:58,199 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 283) no Hoare annotation was computed. [2022-12-13 18:19:58,199 INFO L899 garLoopResultBuilder]: For program point L279-2(lines 279 283) no Hoare annotation was computed. [2022-12-13 18:19:58,200 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 147 171) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-12-13 18:19:58,200 INFO L895 garLoopResultBuilder]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-12-13 18:19:58,200 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 147 171) no Hoare annotation was computed. [2022-12-13 18:19:58,200 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 968 981) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 18:19:58,200 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 270 288) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse3) (or .cse0 .cse2 .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 18:19:58,200 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 147 171) no Hoare annotation was computed. [2022-12-13 18:19:58,200 INFO L899 garLoopResultBuilder]: For program point L972(lines 972 978) no Hoare annotation was computed. [2022-12-13 18:19:58,200 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2022-12-13 18:19:58,200 INFO L899 garLoopResultBuilder]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2022-12-13 18:19:58,200 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 903 914) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 .cse1 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse2 .cse1 .cse4))) [2022-12-13 18:19:58,200 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 225 233) no Hoare annotation was computed. [2022-12-13 18:19:58,200 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 225 233) no Hoare annotation was computed. [2022-12-13 18:19:58,200 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 233) the Hoare annotation is: true [2022-12-13 18:19:58,203 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:19:58,204 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:19:58,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:19:58 BoogieIcfgContainer [2022-12-13 18:19:58,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:19:58,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:19:58,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:19:58,232 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:19:58,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:19:45" (3/4) ... [2022-12-13 18:19:58,235 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:19:58,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 18:19:58,239 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 18:19:58,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 18:19:58,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 18:19:58,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 18:19:58,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 18:19:58,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 18:19:58,240 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-12-13 18:19:58,244 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-13 18:19:58,245 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 18:19:58,245 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:19:58,245 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:19:58,245 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:19:58,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) [2022-12-13 18:19:58,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-12-13 18:19:58,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (2 == \result && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) || ((((pumpRunning == \old(pumpRunning) && \result < 2) && tmp < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && \result < 2) && tmp < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && !(2 <= tmp)) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || ((((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((\result <= waterLevel && pumpRunning == 0) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) [2022-12-13 18:19:58,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-12-13 18:19:58,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-12-13 18:19:58,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(1 == systemActive) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((((((!(\old(waterLevel) <= 1) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-12-13 18:19:58,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-12-13 18:19:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-12-13 18:19:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 18:19:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((!(tmp == 0) && pumpRunning == 0) && \result == 0) && tmp___0 == 0)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 == waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 18:19:58,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 18:19:58,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:19:58,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:19:58,279 INFO L158 Benchmark]: Toolchain (without parser) took 13558.41ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 73.5MB in the beginning and 109.9MB in the end (delta: -36.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2022-12-13 18:19:58,279 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 90.6MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:19:58,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.07ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 73.3MB in the beginning and 139.7MB in the end (delta: -66.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-12-13 18:19:58,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.74ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 137.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:19:58,280 INFO L158 Benchmark]: Boogie Preprocessor took 18.85ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 136.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:19:58,280 INFO L158 Benchmark]: RCFGBuilder took 329.49ms. Allocated memory is still 172.0MB. Free memory was 136.1MB in the beginning and 119.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:19:58,280 INFO L158 Benchmark]: TraceAbstraction took 12832.03ms. Allocated memory is still 172.0MB. Free memory was 118.7MB in the beginning and 116.2MB in the end (delta: 2.5MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-12-13 18:19:58,280 INFO L158 Benchmark]: Witness Printer took 46.39ms. Allocated memory is still 172.0MB. Free memory was 116.2MB in the beginning and 109.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 18:19:58,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 90.6MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.07ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 73.3MB in the beginning and 139.7MB in the end (delta: -66.4MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.74ms. Allocated memory is still 172.0MB. Free memory was 139.7MB in the beginning and 137.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.85ms. Allocated memory is still 172.0MB. Free memory was 137.6MB in the beginning and 136.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 329.49ms. Allocated memory is still 172.0MB. Free memory was 136.1MB in the beginning and 119.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12832.03ms. Allocated memory is still 172.0MB. Free memory was 118.7MB in the beginning and 116.2MB in the end (delta: 2.5MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Witness Printer took 46.39ms. Allocated memory is still 172.0MB. Free memory was 116.2MB in the beginning and 109.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2403 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2355 mSDsluCounter, 5023 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3727 mSDsCounter, 842 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3466 IncrementalHoareTripleChecker+Invalid, 4308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 842 mSolverCounterUnsat, 1296 mSDtfsCounter, 3466 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 810 GetRequests, 634 SyntacticMatches, 10 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1083occurred in iteration=8, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 426 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 1920 PreInvPairs, 2215 NumberOfFragments, 3092 HoareAnnotationTreeSize, 1920 FomulaSimplifications, 3813 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 25050 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 958 NumberOfCodeBlocks, 958 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1204 ConstructedInterpolants, 0 QuantifiedInterpolants, 2575 SizeOfPredicates, 6 NumberOfNonLiveVariables, 851 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 619/702 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: 475]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (2 == \result && tmp == 2)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) || ((((pumpRunning == \old(pumpRunning) && \result < 2) && tmp < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && \result < 2) && tmp < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && !(2 <= tmp)) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || ((((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((\result <= waterLevel && pumpRunning == 0) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || 2 == \result) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(1 == systemActive) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2))) && (((((((!(\old(waterLevel) <= 1) || (((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((!(tmp == 0) && pumpRunning == 0) && \result == 0) && tmp___0 == 0)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 == waterLevel))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:19:58,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5013b578-d0d8-4415-98f9-12eea1e1f821/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE