./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/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_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/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_c2f63792-c3d4-4778-a291-7b32225d5dec/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 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 --- 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 20:43:04,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:43:04,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:43:04,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:43:04,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:43:04,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:43:04,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:43:04,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:43:04,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:43:04,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:43:04,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:43:04,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:43:04,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:43:04,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:43:04,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:43:04,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:43:04,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:43:04,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:43:04,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:43:04,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:43:04,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:43:04,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:43:04,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:43:04,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:43:04,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:43:04,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:43:04,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:43:04,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:43:04,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:43:04,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:43:04,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:43:04,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:43:04,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:43:04,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:43:04,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:43:04,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:43:04,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:43:04,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:43:04,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:43:04,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:43:04,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:43:04,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:43:04,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:43:04,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:43:04,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:43:04,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:43:04,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:43:04,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:43:04,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:43:04,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:43:04,892 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:43:04,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:43:04,893 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:43:04,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:43:04,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:43:04,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:43:04,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:43:04,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:43:04,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:43:04,894 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:43:04,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:43:04,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:43:04,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:43:04,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:43:04,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:43:04,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:43:04,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:43:04,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:43:04,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:43:04,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:43:04,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:43:04,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:43:04,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:43:04,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:43:04,896 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:43:04,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:43:04,897 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:43:04,897 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_c2f63792-c3d4-4778-a291-7b32225d5dec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 [2022-12-13 20:43:05,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:43:05,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:43:05,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:43:05,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:43:05,098 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:43:05,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2022-12-13 20:43:07,746 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:43:07,955 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:43:07,955 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2022-12-13 20:43:07,967 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/data/270602718/88484e73eeca4eb2b4e1e67814018206/FLAGe65377d8b [2022-12-13 20:43:07,982 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/data/270602718/88484e73eeca4eb2b4e1e67814018206 [2022-12-13 20:43:07,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:43:07,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:43:07,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:43:07,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:43:07,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:43:07,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:43:07" (1/1) ... [2022-12-13 20:43:07,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a19cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:07, skipping insertion in model container [2022-12-13 20:43:07,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:43:07" (1/1) ... [2022-12-13 20:43:08,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:43:08,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:43:08,177 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_c2f63792-c3d4-4778-a291-7b32225d5dec/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2022-12-13 20:43:08,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:43:08,288 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:43:08,300 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_c2f63792-c3d4-4778-a291-7b32225d5dec/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2022-12-13 20:43:08,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:43:08,360 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:43:08,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08 WrapperNode [2022-12-13 20:43:08,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:43:08,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:43:08,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:43:08,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:43:08,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,400 INFO L138 Inliner]: procedures = 58, calls = 102, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 209 [2022-12-13 20:43:08,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:43:08,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:43:08,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:43:08,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:43:08,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:43:08,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:43:08,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:43:08,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:43:08,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (1/1) ... [2022-12-13 20:43:08,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:43:08,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:43:08,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:43:08,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:43:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:43:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 20:43:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 20:43:08,488 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 20:43:08,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 20:43:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 20:43:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 20:43:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 20:43:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 20:43:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 20:43:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 20:43:08,489 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-12-13 20:43:08,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-12-13 20:43:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:43:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 20:43:08,490 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 20:43:08,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:43:08,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:43:08,554 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:43:08,556 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:43:08,782 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:43:08,789 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:43:08,790 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:43:08,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:08 BoogieIcfgContainer [2022-12-13 20:43:08,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:43:08,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:43:08,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:43:08,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:43:08,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:43:07" (1/3) ... [2022-12-13 20:43:08,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54efdd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:43:08, skipping insertion in model container [2022-12-13 20:43:08,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:43:08" (2/3) ... [2022-12-13 20:43:08,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54efdd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:43:08, skipping insertion in model container [2022-12-13 20:43:08,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:08" (3/3) ... [2022-12-13 20:43:08,805 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2022-12-13 20:43:08,823 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:43:08,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:43:08,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:43:08,882 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;@2b14c974, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:43:08,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:43:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 20:43:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 20:43:08,896 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:08,897 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 20:43:08,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:08,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:08,903 INFO L85 PathProgramCache]: Analyzing trace with hash 58300630, now seen corresponding path program 1 times [2022-12-13 20:43:08,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:08,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601340066] [2022-12-13 20:43:08,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:08,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 20:43:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 20:43:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,092 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 20:43:09,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:09,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601340066] [2022-12-13 20:43:09,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601340066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:09,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:09,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:43:09,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781093705] [2022-12-13 20:43:09,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:09,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:43:09,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:09,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:43:09,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:43:09,123 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:43:09,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:09,150 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2022-12-13 20:43:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:43:09,151 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 20:43:09,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:09,158 INFO L225 Difference]: With dead ends: 177 [2022-12-13 20:43:09,158 INFO L226 Difference]: Without dead ends: 84 [2022-12-13 20:43:09,161 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 20:43:09,163 INFO L413 NwaCegarLoop]: 117 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, 117 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 20:43:09,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:43:09,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-12-13 20:43:09,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-12-13 20:43:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-12-13 20:43:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-12-13 20:43:09,195 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 32 [2022-12-13 20:43:09,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:09,196 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-12-13 20:43:09,196 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 20:43:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-12-13 20:43:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 20:43:09,198 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:09,198 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 20:43:09,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:43:09,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:09,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:09,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1182453555, now seen corresponding path program 1 times [2022-12-13 20:43:09,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:09,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851394605] [2022-12-13 20:43:09,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:09,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:43:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 20:43:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,286 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 20:43:09,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:09,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851394605] [2022-12-13 20:43:09,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851394605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:09,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:09,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:43:09,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849384719] [2022-12-13 20:43:09,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:09,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:43:09,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:09,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:43:09,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:43:09,290 INFO L87 Difference]: Start difference. First operand 84 states and 108 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 20:43:09,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:09,305 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2022-12-13 20:43:09,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:43:09,306 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 20:43:09,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:09,307 INFO L225 Difference]: With dead ends: 132 [2022-12-13 20:43:09,307 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 20:43:09,307 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 20:43:09,308 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 173 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 20:43:09,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:43:09,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 20:43:09,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-12-13 20:43:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 20:43:09,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2022-12-13 20:43:09,315 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 33 [2022-12-13 20:43:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:09,315 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2022-12-13 20:43:09,315 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 20:43:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2022-12-13 20:43:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 20:43:09,316 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:09,316 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:43:09,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:43:09,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:09,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:09,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1082286122, now seen corresponding path program 1 times [2022-12-13 20:43:09,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:09,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683205808] [2022-12-13 20:43:09,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:09,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:43:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 20:43:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,385 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 20:43:09,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:09,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683205808] [2022-12-13 20:43:09,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683205808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:09,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:09,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:43:09,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585798248] [2022-12-13 20:43:09,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:09,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:43:09,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:09,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:43:09,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:43:09,388 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:43:09,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:09,406 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2022-12-13 20:43:09,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:43:09,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-12-13 20:43:09,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:09,408 INFO L225 Difference]: With dead ends: 142 [2022-12-13 20:43:09,408 INFO L226 Difference]: Without dead ends: 75 [2022-12-13 20:43:09,408 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 20:43:09,409 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 86 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:09,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:43:09,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-13 20:43:09,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-12-13 20:43:09,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 20:43:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2022-12-13 20:43:09,417 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 38 [2022-12-13 20:43:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:09,418 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2022-12-13 20:43:09,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 20:43:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2022-12-13 20:43:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-13 20:43:09,419 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:09,419 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] [2022-12-13 20:43:09,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:43:09,419 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:09,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:09,420 INFO L85 PathProgramCache]: Analyzing trace with hash 605778703, now seen corresponding path program 1 times [2022-12-13 20:43:09,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:09,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189285742] [2022-12-13 20:43:09,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:09,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:43:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 20:43:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:43:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-12-13 20:43:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,536 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 20:43:09,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:09,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189285742] [2022-12-13 20:43:09,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189285742] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:09,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:09,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:43:09,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467580393] [2022-12-13 20:43:09,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:09,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:43:09,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:09,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:43:09,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:43:09,539 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 20:43:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:09,700 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2022-12-13 20:43:09,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:43:09,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2022-12-13 20:43:09,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:09,703 INFO L225 Difference]: With dead ends: 221 [2022-12-13 20:43:09,703 INFO L226 Difference]: Without dead ends: 154 [2022-12-13 20:43:09,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:43:09,705 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 195 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:09,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 308 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:43:09,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-12-13 20:43:09,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2022-12-13 20:43:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 122 states have internal predecessors, (146), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-12-13 20:43:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2022-12-13 20:43:09,730 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 48 [2022-12-13 20:43:09,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:09,731 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2022-12-13 20:43:09,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 20:43:09,731 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2022-12-13 20:43:09,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 20:43:09,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:09,733 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] [2022-12-13 20:43:09,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:43:09,733 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:09,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:09,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1075912719, now seen corresponding path program 1 times [2022-12-13 20:43:09,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:09,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701112133] [2022-12-13 20:43:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:09,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:43:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 20:43:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 20:43:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:09,852 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 20:43:09,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:09,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701112133] [2022-12-13 20:43:09,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701112133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:09,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:09,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 20:43:09,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727848218] [2022-12-13 20:43:09,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:09,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:43:09,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:09,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:43:09,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:43:09,855 INFO L87 Difference]: Start difference. First operand 148 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 20:43:09,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:09,979 INFO L93 Difference]: Finished difference Result 296 states and 370 transitions. [2022-12-13 20:43:09,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:43:09,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 52 [2022-12-13 20:43:09,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:09,981 INFO L225 Difference]: With dead ends: 296 [2022-12-13 20:43:09,981 INFO L226 Difference]: Without dead ends: 156 [2022-12-13 20:43:09,982 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 20:43:09,983 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 66 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:09,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 384 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:43:09,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-13 20:43:10,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2022-12-13 20:43:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 125 states have internal predecessors, (149), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-12-13 20:43:10,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2022-12-13 20:43:10,002 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 52 [2022-12-13 20:43:10,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:10,003 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2022-12-13 20:43:10,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 20:43:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2022-12-13 20:43:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 20:43:10,004 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:10,004 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] [2022-12-13 20:43:10,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:43:10,005 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:10,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:10,005 INFO L85 PathProgramCache]: Analyzing trace with hash -613031023, now seen corresponding path program 1 times [2022-12-13 20:43:10,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:10,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767234696] [2022-12-13 20:43:10,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:43:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 20:43:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 20:43:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 20:43:10,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:10,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767234696] [2022-12-13 20:43:10,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767234696] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:10,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:10,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:43:10,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746280302] [2022-12-13 20:43:10,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:10,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:43:10,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:10,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:43:10,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:43:10,097 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 20:43:10,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:10,189 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2022-12-13 20:43:10,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:43:10,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 52 [2022-12-13 20:43:10,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:10,191 INFO L225 Difference]: With dead ends: 304 [2022-12-13 20:43:10,191 INFO L226 Difference]: Without dead ends: 161 [2022-12-13 20:43:10,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:43:10,193 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 67 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:10,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 301 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:43:10,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-12-13 20:43:10,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-12-13 20:43:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 127 states have internal predecessors, (151), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-12-13 20:43:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 188 transitions. [2022-12-13 20:43:10,214 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 188 transitions. Word has length 52 [2022-12-13 20:43:10,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:10,214 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 188 transitions. [2022-12-13 20:43:10,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 20:43:10,215 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2022-12-13 20:43:10,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 20:43:10,216 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:10,216 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] [2022-12-13 20:43:10,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 20:43:10,216 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:10,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:10,217 INFO L85 PathProgramCache]: Analyzing trace with hash -190329197, now seen corresponding path program 1 times [2022-12-13 20:43:10,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:10,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212928306] [2022-12-13 20:43:10,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:10,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:43:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 20:43:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 20:43:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,302 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 20:43:10,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:10,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212928306] [2022-12-13 20:43:10,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212928306] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:10,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:10,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:43:10,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510902117] [2022-12-13 20:43:10,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:10,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:43:10,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:10,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:43:10,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:43:10,305 INFO L87 Difference]: Start difference. First operand 153 states and 188 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 20:43:10,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:10,496 INFO L93 Difference]: Finished difference Result 438 states and 558 transitions. [2022-12-13 20:43:10,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:43:10,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 52 [2022-12-13 20:43:10,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:10,499 INFO L225 Difference]: With dead ends: 438 [2022-12-13 20:43:10,499 INFO L226 Difference]: Without dead ends: 293 [2022-12-13 20:43:10,500 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 20:43:10,501 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 213 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:10,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 313 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:43:10,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-12-13 20:43:10,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 285. [2022-12-13 20:43:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.240909090909091) internal successors, (273), 231 states have internal predecessors, (273), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2022-12-13 20:43:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 356 transitions. [2022-12-13 20:43:10,533 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 356 transitions. Word has length 52 [2022-12-13 20:43:10,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:10,533 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 356 transitions. [2022-12-13 20:43:10,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 20:43:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 356 transitions. [2022-12-13 20:43:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 20:43:10,535 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:10,535 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] [2022-12-13 20:43:10,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 20:43:10,535 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:10,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:10,536 INFO L85 PathProgramCache]: Analyzing trace with hash 2088078071, now seen corresponding path program 1 times [2022-12-13 20:43:10,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:10,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523158648] [2022-12-13 20:43:10,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:10,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 20:43:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 20:43:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 20:43:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-12-13 20:43:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,628 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 20:43:10,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:10,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523158648] [2022-12-13 20:43:10,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523158648] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:10,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:10,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 20:43:10,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675291027] [2022-12-13 20:43:10,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:10,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 20:43:10,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:10,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 20:43:10,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:43:10,630 INFO L87 Difference]: Start difference. First operand 285 states and 356 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 20:43:10,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:10,830 INFO L93 Difference]: Finished difference Result 578 states and 733 transitions. [2022-12-13 20:43:10,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 20:43:10,830 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-12-13 20:43:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:10,834 INFO L225 Difference]: With dead ends: 578 [2022-12-13 20:43:10,834 INFO L226 Difference]: Without dead ends: 301 [2022-12-13 20:43:10,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-13 20:43:10,836 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 129 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:10,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 435 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:43:10,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-12-13 20:43:10,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 281. [2022-12-13 20:43:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 227 states have internal predecessors, (261), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2022-12-13 20:43:10,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 344 transitions. [2022-12-13 20:43:10,854 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 344 transitions. Word has length 54 [2022-12-13 20:43:10,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:10,854 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 344 transitions. [2022-12-13 20:43:10,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 20:43:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 344 transitions. [2022-12-13 20:43:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 20:43:10,855 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:10,855 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:43:10,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 20:43:10,855 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:10,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:10,855 INFO L85 PathProgramCache]: Analyzing trace with hash -312737299, now seen corresponding path program 1 times [2022-12-13 20:43:10,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:10,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62838870] [2022-12-13 20:43:10,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:10,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:43:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 20:43:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:10,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 20:43:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 20:43:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,016 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 20:43:11,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:11,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62838870] [2022-12-13 20:43:11,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62838870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:43:11,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:43:11,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 20:43:11,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364788000] [2022-12-13 20:43:11,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:43:11,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 20:43:11,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:11,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 20:43:11,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:43:11,018 INFO L87 Difference]: Start difference. First operand 281 states and 344 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 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 20:43:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:11,545 INFO L93 Difference]: Finished difference Result 833 states and 1056 transitions. [2022-12-13 20:43:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 20:43:11,546 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 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 56 [2022-12-13 20:43:11,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:11,551 INFO L225 Difference]: With dead ends: 833 [2022-12-13 20:43:11,551 INFO L226 Difference]: Without dead ends: 611 [2022-12-13 20:43:11,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2022-12-13 20:43:11,553 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 493 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:11,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 759 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:43:11,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-12-13 20:43:11,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 522. [2022-12-13 20:43:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 403 states have (on average 1.2034739454094292) internal successors, (485), 425 states have internal predecessors, (485), 61 states have call successors, (61), 51 states have call predecessors, (61), 57 states have return successors, (85), 61 states have call predecessors, (85), 61 states have call successors, (85) [2022-12-13 20:43:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 631 transitions. [2022-12-13 20:43:11,581 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 631 transitions. Word has length 56 [2022-12-13 20:43:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:11,582 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 631 transitions. [2022-12-13 20:43:11,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 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 20:43:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 631 transitions. [2022-12-13 20:43:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-13 20:43:11,583 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:11,583 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:43:11,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 20:43:11,583 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:11,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:11,583 INFO L85 PathProgramCache]: Analyzing trace with hash -514851068, now seen corresponding path program 1 times [2022-12-13 20:43:11,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:11,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716036521] [2022-12-13 20:43:11,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:11,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:43:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 20:43:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:43:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 20:43:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 20:43:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:43:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 20:43:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 20:43:11,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:11,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716036521] [2022-12-13 20:43:11,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716036521] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:43:11,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204470013] [2022-12-13 20:43:11,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:11,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:43:11,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:43:11,688 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:43:11,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 20:43:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:11,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 20:43:11,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:43:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:43:11,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:43:12,076 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 20:43:12,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204470013] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:43:12,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:43:12,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14 [2022-12-13 20:43:12,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459145094] [2022-12-13 20:43:12,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:43:12,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 20:43:12,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:12,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 20:43:12,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-13 20:43:12,078 INFO L87 Difference]: Start difference. First operand 522 states and 631 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-13 20:43:13,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:13,084 INFO L93 Difference]: Finished difference Result 1195 states and 1490 transitions. [2022-12-13 20:43:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-13 20:43:13,085 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 98 [2022-12-13 20:43:13,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:13,089 INFO L225 Difference]: With dead ends: 1195 [2022-12-13 20:43:13,089 INFO L226 Difference]: Without dead ends: 730 [2022-12-13 20:43:13,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 223 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=471, Invalid=1881, Unknown=0, NotChecked=0, Total=2352 [2022-12-13 20:43:13,092 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 487 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:13,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1523 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:43:13,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-12-13 20:43:13,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 592. [2022-12-13 20:43:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 454 states have (on average 1.198237885462555) internal successors, (544), 483 states have internal predecessors, (544), 71 states have call successors, (71), 61 states have call predecessors, (71), 66 states have return successors, (91), 68 states have call predecessors, (91), 71 states have call successors, (91) [2022-12-13 20:43:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 706 transitions. [2022-12-13 20:43:13,139 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 706 transitions. Word has length 98 [2022-12-13 20:43:13,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:13,140 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 706 transitions. [2022-12-13 20:43:13,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2022-12-13 20:43:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 706 transitions. [2022-12-13 20:43:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 20:43:13,142 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:43:13,142 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 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, 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] [2022-12-13 20:43:13,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:43:13,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 20:43:13,343 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:43:13,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:43:13,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1096172742, now seen corresponding path program 1 times [2022-12-13 20:43:13,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:43:13,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485331765] [2022-12-13 20:43:13,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:43:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 20:43:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 20:43:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 20:43:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 20:43:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 20:43:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 20:43:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 20:43:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 20:43:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-12-13 20:43:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 20:43:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 20:43:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-13 20:43:13,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:43:13,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485331765] [2022-12-13 20:43:13,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485331765] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 20:43:13,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532410290] [2022-12-13 20:43:13,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:43:13,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:43:13,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:43:13,652 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 20:43:13,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 20:43:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:43:13,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 20:43:13,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:43:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 140 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 20:43:13,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 20:43:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 81 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-13 20:43:14,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532410290] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 20:43:14,267 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 20:43:14,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-12-13 20:43:14,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055461580] [2022-12-13 20:43:14,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 20:43:14,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 20:43:14,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:43:14,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 20:43:14,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-12-13 20:43:14,270 INFO L87 Difference]: Start difference. First operand 592 states and 706 transitions. Second operand has 25 states, 25 states have (on average 8.52) internal successors, (213), 21 states have internal predecessors, (213), 9 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (29), 8 states have call predecessors, (29), 9 states have call successors, (29) [2022-12-13 20:43:15,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:43:15,051 INFO L93 Difference]: Finished difference Result 1257 states and 1548 transitions. [2022-12-13 20:43:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-13 20:43:15,052 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.52) internal successors, (213), 21 states have internal predecessors, (213), 9 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (29), 8 states have call predecessors, (29), 9 states have call successors, (29) Word has length 172 [2022-12-13 20:43:15,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:43:15,053 INFO L225 Difference]: With dead ends: 1257 [2022-12-13 20:43:15,053 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:43:15,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 357 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 20:43:15,057 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 485 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 1007 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 20:43:15,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 898 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1007 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 20:43:15,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:43:15,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:43:15,057 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 20:43:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:43:15,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2022-12-13 20:43:15,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:43:15,058 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:43:15,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.52) internal successors, (213), 21 states have internal predecessors, (213), 9 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (29), 8 states have call predecessors, (29), 9 states have call successors, (29) [2022-12-13 20:43:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:43:15,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:43:15,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:43:15,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 20:43:15,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 20:43:15,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:43:19,845 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 102 108) no Hoare annotation was computed. [2022-12-13 20:43:19,845 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 102 108) the Hoare annotation is: true [2022-12-13 20:43:19,845 INFO L899 garLoopResultBuilder]: For program point L381-1(lines 377 388) no Hoare annotation was computed. [2022-12-13 20:43:19,845 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 377 388) the Hoare annotation is: true [2022-12-13 20:43:19,845 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 377 388) no Hoare annotation was computed. [2022-12-13 20:43:19,845 INFO L899 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2022-12-13 20:43:19,845 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 908 937) no Hoare annotation was computed. [2022-12-13 20:43:19,846 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2022-12-13 20:43:19,846 INFO L902 garLoopResultBuilder]: At program point L922-1(lines 922 926) the Hoare annotation is: true [2022-12-13 20:43:19,846 INFO L899 garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed. [2022-12-13 20:43:19,846 INFO L902 garLoopResultBuilder]: At program point L918-2(lines 918 932) the Hoare annotation is: true [2022-12-13 20:43:19,846 INFO L902 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: true [2022-12-13 20:43:19,846 INFO L899 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2022-12-13 20:43:19,846 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 908 937) the Hoare annotation is: true [2022-12-13 20:43:19,846 INFO L902 garLoopResultBuilder]: At program point L933(lines 908 937) the Hoare annotation is: true [2022-12-13 20:43:19,846 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-12-13 20:43:19,846 INFO L895 garLoopResultBuilder]: At program point L155-1(lines 136 160) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse15 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (and .cse11 .cse1 .cse2 .cse15 .cse14 .cse16 .cse4)) (.cse0 (not .cse14)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (and .cse13 .cse6 .cse15 .cse14 .cse16 .cse4)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse3 .cse4) .cse7)) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse0 .cse5 .cse9 .cse10) (or .cse11 (and .cse1 .cse12) .cse0 .cse7 (and .cse13 (= 2 ~waterLevel~0) .cse12)) (or (and .cse6 .cse12 .cse4) .cse8 .cse0 .cse5 (and .cse11 .cse1 .cse2 .cse14 .cse12 .cse4) .cse9 .cse7 .cse10)))) [2022-12-13 20:43:19,847 INFO L899 garLoopResultBuilder]: For program point L89-1(lines 89 95) no Hoare annotation was computed. [2022-12-13 20:43:19,847 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse13 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse17 (<= ~waterLevel~0 1)) (.cse16 (= 1 ~systemActive~0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (and .cse5 .cse6 .cse7 .cse13 .cse17 .cse16 .cse18 .cse14 .cse11)) (.cse3 (and (<= 1 ~pumpRunning~0) .cse9 .cse7 .cse17 .cse16 .cse18 .cse14 .cse11)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse16)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse0 (and .cse6 .cse7 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2) .cse8)) (let ((.cse10 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|)))) (or .cse0 .cse1 .cse2 (and .cse9 .cse7 .cse8 .cse10 .cse11) .cse3 .cse12 (and .cse6 .cse7 .cse13 .cse8 .cse10 .cse11) .cse4)) (or .cse5 .cse0 .cse12 (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse15 (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse7 .cse13 .cse14 .cse15 .cse11) .cse12 (and .cse9 .cse7 .cse14 .cse15 .cse11)))))) [2022-12-13 20:43:19,847 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2022-12-13 20:43:19,847 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 444 452) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-12-13 20:43:19,847 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 75 101) no Hoare annotation was computed. [2022-12-13 20:43:19,847 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 421 429) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse15 (<= ~waterLevel~0 1)) (.cse11 (= 1 ~systemActive~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (and .cse0 .cse2 .cse3 .cse10 .cse15 .cse11 .cse16 .cse12)) (.cse9 (and .cse6 .cse13 .cse3 .cse15 .cse11 .cse16 .cse12)) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not .cse11)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (and .cse6 (= 2 ~waterLevel~0) (= 2 |timeShift_getWaterLevel_#res#1|) .cse4)) (or .cse1 .cse7 .cse8 (not (= |old(~waterLevel~0)| 2)) .cse9) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse7 .cse8 (and .cse0 .cse2 .cse3 .cse10 .cse11 .cse4 .cse12) (and .cse13 .cse3 .cse4 .cse12) .cse9 .cse14) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse7 .cse8 .cse9 .cse14) (or .cse1 .cse7 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2022-12-13 20:43:19,848 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 88) no Hoare annotation was computed. [2022-12-13 20:43:19,848 INFO L899 garLoopResultBuilder]: For program point L82-2(lines 78 100) no Hoare annotation was computed. [2022-12-13 20:43:19,848 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2022-12-13 20:43:19,848 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2022-12-13 20:43:19,848 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-12-13 20:43:19,848 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2022-12-13 20:43:19,848 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-12-13 20:43:19,848 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2022-12-13 20:43:19,848 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2022-12-13 20:43:19,848 INFO L895 garLoopResultBuilder]: At program point L847-1(lines 839 867) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse14 (<= 1 ~pumpRunning~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse20 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse21 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse18 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (and .cse14 .cse12 .cse0 .cse2 .cse20 .cse4 .cse21 .cse18 .cse7)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse0 .cse1 .cse2 .cse3 .cse20 .cse4 .cse21 .cse18 .cse7)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not .cse4)) (.cse6 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse8 .cse9 .cse10 .cse11 (and .cse12 .cse0 .cse2 .cse4 .cse5 .cse6 .cse7) .cse13) (let ((.cse15 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse16 (= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse0 .cse9 (and .cse14 .cse15 .cse16) (and .cse1 .cse15 .cse16) .cse17 (not (<= 2 |old(~waterLevel~0)|)))) (let ((.cse19 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse18 .cse19 .cse7) .cse9 .cse10 (not (< 1 |old(~waterLevel~0)|)) (and .cse12 .cse0 .cse2 .cse4 .cse18 .cse19 .cse7) .cse17)) (or .cse8 (not (= |old(~waterLevel~0)| 1)) .cse9 .cse10 .cse11 .cse13) (or .cse0 .cse9 (and .cse1 .cse2 .cse5 .cse6) (and (<= 2 ~waterLevel~0) .cse5) .cse17)))) [2022-12-13 20:43:19,848 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 50 57) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-12-13 20:43:19,849 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 75 101) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-12-13 20:43:19,849 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 265) no Hoare annotation was computed. [2022-12-13 20:43:19,849 INFO L899 garLoopResultBuilder]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2022-12-13 20:43:19,849 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 169 176) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse9 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (and .cse8 .cse1 .cse2 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse9)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2 (= ~waterLevel~0 1) .cse3) .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse4 .cse7) (or (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse6 .cse0 .cse4 .cse5 .cse7) (or .cse8 .cse0 .cse5)))) [2022-12-13 20:43:19,849 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 252 270) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse2 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse7)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4)))) [2022-12-13 20:43:19,849 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-12-13 20:43:19,849 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2022-12-13 20:43:19,849 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 829 838) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 20:43:19,850 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 75 101) no Hoare annotation was computed. [2022-12-13 20:43:19,850 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-12-13 20:43:19,850 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2022-12-13 20:43:19,850 INFO L895 garLoopResultBuilder]: At program point L357-2(lines 353 364) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-12-13 20:43:19,850 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 271 278) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 20:43:19,850 INFO L895 garLoopResultBuilder]: At program point L341(lines 292 342) the Hoare annotation is: false [2022-12-13 20:43:19,850 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 969 979) the Hoare annotation is: true [2022-12-13 20:43:19,850 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:43:19,850 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 980 1002) the Hoare annotation is: true [2022-12-13 20:43:19,850 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:43:19,850 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2022-12-13 20:43:19,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:43:19,850 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2022-12-13 20:43:19,851 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2022-12-13 20:43:19,851 INFO L899 garLoopResultBuilder]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2022-12-13 20:43:19,851 INFO L895 garLoopResultBuilder]: At program point L338(lines 293 340) 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 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-12-13 20:43:19,851 INFO L895 garLoopResultBuilder]: At program point L305(line 305) 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 .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-12-13 20:43:19,851 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 962 968) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:43:19,851 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:43:19,851 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 821 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:43:19,851 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2022-12-13 20:43:19,851 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:43:19,851 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 890 896) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:43:19,851 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 323 336) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 20:43:19,851 INFO L899 garLoopResultBuilder]: For program point L294(lines 293 340) no Hoare annotation was computed. [2022-12-13 20:43:19,851 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 336) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L895 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-12-13 20:43:19,852 INFO L902 garLoopResultBuilder]: At program point L344(lines 283 348) the Hoare annotation is: true [2022-12-13 20:43:19,852 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 309) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 897 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-12-13 20:43:19,852 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L895 garLoopResultBuilder]: At program point L124(line 124) 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 20:43:19,852 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 161 168) 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 20:43:19,852 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 126) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 131) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 440) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2022-12-13 20:43:19,852 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 110 134) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2022-12-13 20:43:19,853 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 430 443) 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 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (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 20:43:19,853 INFO L895 garLoopResultBuilder]: At program point L129(line 129) 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 20:43:19,853 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 110 134) no Hoare annotation was computed. [2022-12-13 20:43:19,853 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 233 251) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 20:43:19,853 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 110 134) no Hoare annotation was computed. [2022-12-13 20:43:19,853 INFO L899 garLoopResultBuilder]: For program point L369-1(lines 365 376) no Hoare annotation was computed. [2022-12-13 20:43:19,853 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 365 376) no Hoare annotation was computed. [2022-12-13 20:43:19,853 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 365 376) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 (not (<= |old(~waterLevel~0)| 2))))) [2022-12-13 20:43:19,853 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2022-12-13 20:43:19,853 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2022-12-13 20:43:19,853 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 188 196) the Hoare annotation is: true [2022-12-13 20:43:19,856 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:43:19,857 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:43:19,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:43:19 BoogieIcfgContainer [2022-12-13 20:43:19,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:43:19,886 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:43:19,886 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:43:19,886 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:43:19,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:43:08" (3/4) ... [2022-12-13 20:43:19,889 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:43:19,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 20:43:19,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 20:43:19,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 20:43:19,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 20:43:19,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 20:43:19,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 20:43:19,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-12-13 20:43:19,897 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-13 20:43:19,898 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:43:19,898 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:43:19,898 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:43:19,898 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:43:19,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 20:43:19,916 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))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\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)) [2022-12-13 20:43:19,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 2) && 2 == \result)) || ((pumpRunning == 0 && tmp == 2) && 2 == \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && !(2 <= tmp))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-12-13 20:43:19,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(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) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 20:43:19,917 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)) [2022-12-13 20:43:19,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-12-13 20:43:19,917 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))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\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)) [2022-12-13 20:43:19,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 20:43:19,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((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)) || !(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)) [2022-12-13 20:43:19,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-12-13 20:43:19,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-12-13 20:43:19,918 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 20:43:19,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:43:19,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:43:19,932 INFO L158 Benchmark]: Toolchain (without parser) took 11946.84ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 84.4MB in the beginning and 73.5MB in the end (delta: 10.9MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-12-13 20:43:19,932 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 92.6MB in the beginning and 92.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:43:19,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.13ms. Allocated memory is still 115.3MB. Free memory was 84.4MB in the beginning and 65.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:43:19,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.40ms. Allocated memory is still 115.3MB. Free memory was 65.4MB in the beginning and 63.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:43:19,933 INFO L158 Benchmark]: Boogie Preprocessor took 23.35ms. Allocated memory is still 115.3MB. Free memory was 63.1MB in the beginning and 61.7MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:43:19,933 INFO L158 Benchmark]: RCFGBuilder took 366.70ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 61.4MB in the beginning and 124.0MB in the end (delta: -62.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2022-12-13 20:43:19,933 INFO L158 Benchmark]: TraceAbstraction took 11086.33ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 79.8MB in the end (delta: 44.6MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2022-12-13 20:43:19,934 INFO L158 Benchmark]: Witness Printer took 45.97ms. Allocated memory is still 153.1MB. Free memory was 79.8MB in the beginning and 73.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 20:43:19,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory was 92.6MB in the beginning and 92.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.13ms. Allocated memory is still 115.3MB. Free memory was 84.4MB in the beginning and 65.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.40ms. Allocated memory is still 115.3MB. Free memory was 65.4MB in the beginning and 63.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.35ms. Allocated memory is still 115.3MB. Free memory was 63.1MB in the beginning and 61.7MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 366.70ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 61.4MB in the beginning and 124.0MB in the end (delta: -62.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11086.33ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 79.8MB in the end (delta: 44.6MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Witness Printer took 45.97ms. Allocated memory is still 153.1MB. Free memory was 79.8MB in the beginning and 73.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2275 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2234 mSDsluCounter, 5305 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4069 mSDsCounter, 636 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3484 IncrementalHoareTripleChecker+Invalid, 4120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 636 mSolverCounterUnsat, 1236 mSDtfsCounter, 3484 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 827 GetRequests, 656 SyntacticMatches, 10 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=10, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 274 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1363 PreInvPairs, 1644 NumberOfFragments, 2770 HoareAnnotationTreeSize, 1363 FomulaSimplifications, 2367 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 43 FomulaSimplificationsInter, 25091 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1212 ConstructedInterpolants, 0 QuantifiedInterpolants, 2368 SizeOfPredicates, 6 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 635/705 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: 962]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(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) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 161]: 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: 252]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((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)) || !(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)) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: 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))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\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)) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - 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)) - InvariantResult [Line: 353]: 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))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\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)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 2) && 2 == \result)) || ((pumpRunning == 0 && tmp == 2) && 2 == \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && !(2 <= tmp))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-12-13 20:43:19,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2f63792-c3d4-4778-a291-7b32225d5dec/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE