./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/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_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/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_51fe8d4f-6251-4946-b867-5ae92ef86c25/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 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 --- 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 14:57:07,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:57:08,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:57:08,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:57:08,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:57:08,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:57:08,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:57:08,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:57:08,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:57:08,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:57:08,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:57:08,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:57:08,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:57:08,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:57:08,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:57:08,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:57:08,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:57:08,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:57:08,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:57:08,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:57:08,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:57:08,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:57:08,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:57:08,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:57:08,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:57:08,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:57:08,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:57:08,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:57:08,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:57:08,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:57:08,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:57:08,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:57:08,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:57:08,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:57:08,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:57:08,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:57:08,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:57:08,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:57:08,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:57:08,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:57:08,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:57:08,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:57:08,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:57:08,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:57:08,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:57:08,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:57:08,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:57:08,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:57:08,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:57:08,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:57:08,057 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:57:08,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:57:08,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:57:08,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:57:08,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:57:08,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:57:08,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:57:08,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:57:08,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:57:08,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:57:08,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:57:08,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:57:08,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:57:08,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:57:08,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:57:08,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:57:08,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:57:08,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:57:08,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:57:08,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:57:08,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:57:08,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:57:08,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:57:08,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:57:08,062 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:57:08,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:57:08,062 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:57:08,062 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_51fe8d4f-6251-4946-b867-5ae92ef86c25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 [2022-12-13 14:57:08,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:57:08,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:57:08,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:57:08,259 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:57:08,259 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:57:08,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2022-12-13 14:57:10,864 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:57:11,046 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:57:11,047 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2022-12-13 14:57:11,055 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/data/37b6c96bd/1687d3625c324007beec05acc01c22de/FLAG5f41950d8 [2022-12-13 14:57:11,463 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/data/37b6c96bd/1687d3625c324007beec05acc01c22de [2022-12-13 14:57:11,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:57:11,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:57:11,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:57:11,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:57:11,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:57:11,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec73850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11, skipping insertion in model container [2022-12-13 14:57:11,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:57:11,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:57:11,676 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_51fe8d4f-6251-4946-b867-5ae92ef86c25/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2022-12-13 14:57:11,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:57:11,687 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:57:11,729 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_51fe8d4f-6251-4946-b867-5ae92ef86c25/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2022-12-13 14:57:11,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:57:11,741 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:57:11,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11 WrapperNode [2022-12-13 14:57:11,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:57:11,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:57:11,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:57:11,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:57:11,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,774 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 163 [2022-12-13 14:57:11,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:57:11,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:57:11,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:57:11,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:57:11,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,796 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:57:11,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:57:11,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:57:11,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:57:11,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (1/1) ... [2022-12-13 14:57:11,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:57:11,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:57:11,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:57:11,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:57:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:57:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 14:57:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 14:57:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 14:57:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 14:57:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 14:57:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 14:57:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 14:57:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 14:57:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 14:57:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 14:57:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:57:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 14:57:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 14:57:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:57:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:57:11,906 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:57:11,907 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:57:12,082 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:57:12,088 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:57:12,088 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:57:12,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:57:12 BoogieIcfgContainer [2022-12-13 14:57:12,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:57:12,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:57:12,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:57:12,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:57:12,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:57:11" (1/3) ... [2022-12-13 14:57:12,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5473a19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:57:12, skipping insertion in model container [2022-12-13 14:57:12,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:57:11" (2/3) ... [2022-12-13 14:57:12,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5473a19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:57:12, skipping insertion in model container [2022-12-13 14:57:12,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:57:12" (3/3) ... [2022-12-13 14:57:12,098 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2022-12-13 14:57:12,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:57:12,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:57:12,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:57:12,158 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;@c23880, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:57:12,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:57:12,162 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 64 states have internal predecessors, (79), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 14:57:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 14:57:12,168 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:57:12,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:57:12,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:57:12,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:57:12,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1667001244, now seen corresponding path program 1 times [2022-12-13 14:57:12,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:57:12,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31972842] [2022-12-13 14:57:12,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:57:12,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:57:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:57:12,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:57:12,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31972842] [2022-12-13 14:57:12,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31972842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:57:12,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:57:12,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:57:12,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725189820] [2022-12-13 14:57:12,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:57:12,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:57:12,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:57:12,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:57:12,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:57:12,370 INFO L87 Difference]: Start difference. First operand has 75 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 64 states have internal predecessors, (79), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:12,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:57:12,396 INFO L93 Difference]: Finished difference Result 142 states and 193 transitions. [2022-12-13 14:57:12,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:57:12,399 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-12-13 14:57:12,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:57:12,407 INFO L225 Difference]: With dead ends: 142 [2022-12-13 14:57:12,408 INFO L226 Difference]: Without dead ends: 66 [2022-12-13 14:57:12,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 14:57:12,414 INFO L413 NwaCegarLoop]: 93 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, 93 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 14:57:12,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:57:12,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-13 14:57:12,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-12-13 14:57:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-12-13 14:57:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2022-12-13 14:57:12,445 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 19 [2022-12-13 14:57:12,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:57:12,446 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2022-12-13 14:57:12,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2022-12-13 14:57:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-13 14:57:12,447 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:57:12,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:57:12,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:57:12,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:57:12,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:57:12,448 INFO L85 PathProgramCache]: Analyzing trace with hash 108811362, now seen corresponding path program 1 times [2022-12-13 14:57:12,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:57:12,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248342848] [2022-12-13 14:57:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:57:12,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:57:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:57:12,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:57:12,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248342848] [2022-12-13 14:57:12,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248342848] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:57:12,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:57:12,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:57:12,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750503186] [2022-12-13 14:57:12,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:57:12,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:57:12,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:57:12,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:57:12,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:57:12,546 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:12,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:57:12,562 INFO L93 Difference]: Finished difference Result 93 states and 117 transitions. [2022-12-13 14:57:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:57:12,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-12-13 14:57:12,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:57:12,564 INFO L225 Difference]: With dead ends: 93 [2022-12-13 14:57:12,564 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 14:57:12,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 14:57:12,565 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 17 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 120 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 14:57:12,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:57:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 14:57:12,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 14:57:12,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 50 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-13 14:57:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2022-12-13 14:57:12,577 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 20 [2022-12-13 14:57:12,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:57:12,577 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2022-12-13 14:57:12,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-12-13 14:57:12,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 14:57:12,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:57:12,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:57:12,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:57:12,579 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:57:12,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:57:12,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1255678841, now seen corresponding path program 1 times [2022-12-13 14:57:12,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:57:12,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052597295] [2022-12-13 14:57:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:57:12,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:57:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:57:12,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:57:12,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052597295] [2022-12-13 14:57:12,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052597295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:57:12,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:57:12,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:57:12,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613597652] [2022-12-13 14:57:12,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:57:12,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:57:12,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:57:12,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:57:12,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:57:12,686 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:12,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:57:12,774 INFO L93 Difference]: Finished difference Result 145 states and 188 transitions. [2022-12-13 14:57:12,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:57:12,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-12-13 14:57:12,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:57:12,777 INFO L225 Difference]: With dead ends: 145 [2022-12-13 14:57:12,777 INFO L226 Difference]: Without dead ends: 95 [2022-12-13 14:57:12,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:57:12,779 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 135 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:57:12,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 236 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:57:12,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-12-13 14:57:12,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2022-12-13 14:57:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 71 states have (on average 1.352112676056338) internal successors, (96), 80 states have internal predecessors, (96), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (12), 8 states have call predecessors, (12), 11 states have call successors, (12) [2022-12-13 14:57:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2022-12-13 14:57:12,795 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 25 [2022-12-13 14:57:12,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:57:12,796 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2022-12-13 14:57:12,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2022-12-13 14:57:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 14:57:12,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:57:12,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:57:12,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:57:12,797 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:57:12,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:57:12,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1665755050, now seen corresponding path program 1 times [2022-12-13 14:57:12,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:57:12,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134638119] [2022-12-13 14:57:12,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:57:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:57:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:57:12,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:57:12,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134638119] [2022-12-13 14:57:12,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134638119] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:57:12,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:57:12,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 14:57:12,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249835770] [2022-12-13 14:57:12,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:57:12,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 14:57:12,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:57:12,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 14:57:12,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-13 14:57:12,899 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:13,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:57:13,065 INFO L93 Difference]: Finished difference Result 335 states and 468 transitions. [2022-12-13 14:57:13,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 14:57:13,066 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-12-13 14:57:13,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:57:13,069 INFO L225 Difference]: With dead ends: 335 [2022-12-13 14:57:13,069 INFO L226 Difference]: Without dead ends: 250 [2022-12-13 14:57:13,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-12-13 14:57:13,071 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 149 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:57:13,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 491 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:57:13,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-12-13 14:57:13,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 240. [2022-12-13 14:57:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 183 states have (on average 1.3333333333333333) internal successors, (244), 206 states have internal predecessors, (244), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (42), 22 states have call predecessors, (42), 31 states have call successors, (42) [2022-12-13 14:57:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 317 transitions. [2022-12-13 14:57:13,115 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 317 transitions. Word has length 28 [2022-12-13 14:57:13,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:57:13,115 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 317 transitions. [2022-12-13 14:57:13,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 317 transitions. [2022-12-13 14:57:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 14:57:13,117 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:57:13,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:57:13,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:57:13,117 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:57:13,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:57:13,118 INFO L85 PathProgramCache]: Analyzing trace with hash 166370863, now seen corresponding path program 1 times [2022-12-13 14:57:13,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:57:13,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770658882] [2022-12-13 14:57:13,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:57:13,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:57:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:57:13,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:57:13,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770658882] [2022-12-13 14:57:13,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770658882] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:57:13,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:57:13,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:57:13,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873464774] [2022-12-13 14:57:13,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:57:13,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:57:13,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:57:13,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:57:13,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:57:13,162 INFO L87 Difference]: Start difference. First operand 240 states and 317 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:57:13,185 INFO L93 Difference]: Finished difference Result 424 states and 573 transitions. [2022-12-13 14:57:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:57:13,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-12-13 14:57:13,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:57:13,187 INFO L225 Difference]: With dead ends: 424 [2022-12-13 14:57:13,187 INFO L226 Difference]: Without dead ends: 191 [2022-12-13 14:57:13,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 14:57:13,189 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:57:13,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 50 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:57:13,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-12-13 14:57:13,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 188. [2022-12-13 14:57:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 149 states have (on average 1.261744966442953) internal successors, (188), 160 states have internal predecessors, (188), 19 states have call successors, (19), 19 states have call predecessors, (19), 19 states have return successors, (24), 19 states have call predecessors, (24), 19 states have call successors, (24) [2022-12-13 14:57:13,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 231 transitions. [2022-12-13 14:57:13,204 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 231 transitions. Word has length 30 [2022-12-13 14:57:13,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:57:13,204 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 231 transitions. [2022-12-13 14:57:13,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:57:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 231 transitions. [2022-12-13 14:57:13,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 14:57:13,206 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:57:13,206 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:57:13,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:57:13,206 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:57:13,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:57:13,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1797903565, now seen corresponding path program 1 times [2022-12-13 14:57:13,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:57:13,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389147684] [2022-12-13 14:57:13,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:57:13,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:57:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 14:57:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 14:57:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 14:57:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:13,322 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-13 14:57:13,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:57:13,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389147684] [2022-12-13 14:57:13,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389147684] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:57:13,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753386814] [2022-12-13 14:57:13,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:57:13,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:57:13,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:57:13,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:57:13,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:57:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:57:13,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 14:57:13,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:57:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:57:13,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:57:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:57:13,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753386814] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:57:13,708 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:57:13,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 15 [2022-12-13 14:57:13,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326709302] [2022-12-13 14:57:13,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:57:13,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 14:57:13,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:57:13,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 14:57:13,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-12-13 14:57:13,711 INFO L87 Difference]: Start difference. First operand 188 states and 231 transitions. Second operand has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 14:57:13,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:57:13,875 INFO L93 Difference]: Finished difference Result 253 states and 310 transitions. [2022-12-13 14:57:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:57:13,875 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 54 [2022-12-13 14:57:13,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:57:13,876 INFO L225 Difference]: With dead ends: 253 [2022-12-13 14:57:13,876 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 14:57:13,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 101 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-12-13 14:57:13,878 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 109 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:57:13,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 292 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:57:13,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 14:57:13,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 14:57:13,878 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 14:57:13,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 14:57:13,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-12-13 14:57:13,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:57:13,879 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:57:13,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 12 states have internal predecessors, (90), 4 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-13 14:57:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:57:13,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 14:57:13,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:57:13,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:57:14,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 14:57:14,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 14:57:14,752 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 739 746) no Hoare annotation was computed. [2022-12-13 14:57:14,752 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 739 746) the Hoare annotation is: true [2022-12-13 14:57:14,752 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 739 746) no Hoare annotation was computed. [2022-12-13 14:57:14,752 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 698 704) no Hoare annotation was computed. [2022-12-13 14:57:14,752 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 698 704) the Hoare annotation is: true [2022-12-13 14:57:14,753 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 82 93) the Hoare annotation is: true [2022-12-13 14:57:14,753 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-12-13 14:57:14,753 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-12-13 14:57:14,753 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 14:57:14,753 INFO L895 garLoopResultBuilder]: At program point L725-1(lines 706 730) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 14:57:14,753 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 674 697) no Hoare annotation was computed. [2022-12-13 14:57:14,754 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 126 134) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1))))) [2022-12-13 14:57:14,754 INFO L899 garLoopResultBuilder]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2022-12-13 14:57:14,754 INFO L899 garLoopResultBuilder]: For program point L714(lines 714 722) no Hoare annotation was computed. [2022-12-13 14:57:14,754 INFO L899 garLoopResultBuilder]: For program point L710(lines 710 727) no Hoare annotation was computed. [2022-12-13 14:57:14,754 INFO L899 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2022-12-13 14:57:14,754 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-12-13 14:57:14,754 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-12-13 14:57:14,755 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2022-12-13 14:57:14,755 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 896 903) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-12-13 14:57:14,755 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 674 697) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 14:57:14,755 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 662) no Hoare annotation was computed. [2022-12-13 14:57:14,755 INFO L895 garLoopResultBuilder]: At program point L649-1(lines 641 665) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 0))) (.cse3 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-12-13 14:57:14,755 INFO L899 garLoopResultBuilder]: For program point L678-1(lines 677 696) no Hoare annotation was computed. [2022-12-13 14:57:14,756 INFO L895 garLoopResultBuilder]: At program point L720(line 720) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-12-13 14:57:14,756 INFO L895 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 94 102) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-12-13 14:57:14,756 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-12-13 14:57:14,756 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 674 697) no Hoare annotation was computed. [2022-12-13 14:57:14,756 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 747 757) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-12-13 14:57:14,756 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 758 766) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-12-13 14:57:14,756 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2022-12-13 14:57:14,756 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 176 205) no Hoare annotation was computed. [2022-12-13 14:57:14,757 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2022-12-13 14:57:14,757 INFO L902 garLoopResultBuilder]: At program point L190-1(lines 190 194) the Hoare annotation is: true [2022-12-13 14:57:14,757 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-12-13 14:57:14,757 INFO L902 garLoopResultBuilder]: At program point L186-2(lines 186 200) the Hoare annotation is: true [2022-12-13 14:57:14,757 INFO L902 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: true [2022-12-13 14:57:14,757 INFO L899 garLoopResultBuilder]: For program point L182-1(line 182) no Hoare annotation was computed. [2022-12-13 14:57:14,757 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 176 205) the Hoare annotation is: true [2022-12-13 14:57:14,757 INFO L902 garLoopResultBuilder]: At program point L201(lines 176 205) the Hoare annotation is: true [2022-12-13 14:57:14,757 INFO L899 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2022-12-13 14:57:14,758 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 818 825) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-12-13 14:57:14,758 INFO L902 garLoopResultBuilder]: At program point L890(lines 827 894) the Hoare annotation is: true [2022-12-13 14:57:14,758 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2022-12-13 14:57:14,758 INFO L899 garLoopResultBuilder]: For program point L857-1(lines 857 863) no Hoare annotation was computed. [2022-12-13 14:57:14,758 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-12-13 14:57:14,758 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 239 248) the Hoare annotation is: true [2022-12-13 14:57:14,759 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 150 156) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 14:57:14,759 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 249 271) the Hoare annotation is: true [2022-12-13 14:57:14,759 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 266) no Hoare annotation was computed. [2022-12-13 14:57:14,759 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 266) no Hoare annotation was computed. [2022-12-13 14:57:14,759 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 14:57:14,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 14:57:14,759 INFO L895 garLoopResultBuilder]: At program point L887(lines 836 888) the Hoare annotation is: false [2022-12-13 14:57:14,759 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 881) no Hoare annotation was computed. [2022-12-13 14:57:14,760 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 231 237) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 14:57:14,760 INFO L895 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: false [2022-12-13 14:57:14,760 INFO L895 garLoopResultBuilder]: At program point L875-2(lines 867 882) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-12-13 14:57:14,760 INFO L899 garLoopResultBuilder]: For program point L838(lines 837 886) no Hoare annotation was computed. [2022-12-13 14:57:14,760 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 882) no Hoare annotation was computed. [2022-12-13 14:57:14,760 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 14:57:14,760 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-12-13 14:57:14,760 INFO L895 garLoopResultBuilder]: At program point L884(lines 837 886) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-12-13 14:57:14,761 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2022-12-13 14:57:14,761 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2022-12-13 14:57:14,761 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 14:57:14,761 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 157 163) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 14:57:14,761 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2022-12-13 14:57:14,761 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 803 817) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-12-13 14:57:14,761 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 164 172) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 14:57:14,762 INFO L899 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2022-12-13 14:57:14,762 INFO L899 garLoopResultBuilder]: For program point L807-1(lines 807 813) no Hoare annotation was computed. [2022-12-13 14:57:14,762 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-12-13 14:57:14,762 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 70 81) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-12-13 14:57:14,762 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-12-13 14:57:14,765 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-13 14:57:14,767 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:57:14,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:57:14 BoogieIcfgContainer [2022-12-13 14:57:14,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:57:14,786 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:57:14,786 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:57:14,786 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:57:14,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:57:12" (3/4) ... [2022-12-13 14:57:14,790 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:57:14,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 14:57:14,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 14:57:14,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 14:57:14,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 14:57:14,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 14:57:14,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 14:57:14,802 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-13 14:57:14,803 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 14:57:14,803 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 14:57:14,803 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:57:14,803 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:57:14,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-12-13 14:57:14,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-12-13 14:57:14,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) [2022-12-13 14:57:14,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-12-13 14:57:14,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) [2022-12-13 14:57:14,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) [2022-12-13 14:57:14,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) [2022-12-13 14:57:14,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) [2022-12-13 14:57:14,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-12-13 14:57:14,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2022-12-13 14:57:14,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-12-13 14:57:14,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-12-13 14:57:14,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) [2022-12-13 14:57:14,841 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:57:14,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:57:14,842 INFO L158 Benchmark]: Toolchain (without parser) took 3371.61ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 101.5MB in the beginning and 48.0MB in the end (delta: 53.5MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2022-12-13 14:57:14,842 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:57:14,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.67ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 83.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 14:57:14,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.92ms. Allocated memory is still 138.4MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:57:14,843 INFO L158 Benchmark]: Boogie Preprocessor took 23.25ms. Allocated memory is still 138.4MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:57:14,843 INFO L158 Benchmark]: RCFGBuilder took 291.97ms. Allocated memory is still 138.4MB. Free memory was 79.7MB in the beginning and 65.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:57:14,843 INFO L158 Benchmark]: TraceAbstraction took 2692.98ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 64.6MB in the beginning and 53.2MB in the end (delta: 11.3MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2022-12-13 14:57:14,843 INFO L158 Benchmark]: Witness Printer took 55.52ms. Allocated memory is still 167.8MB. Free memory was 53.2MB in the beginning and 48.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:57:14,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.67ms. Allocated memory is still 138.4MB. Free memory was 101.5MB in the beginning and 83.4MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.92ms. Allocated memory is still 138.4MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.25ms. Allocated memory is still 138.4MB. Free memory was 81.3MB in the beginning and 79.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.97ms. Allocated memory is still 138.4MB. Free memory was 79.7MB in the beginning and 65.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2692.98ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 64.6MB in the beginning and 53.2MB in the end (delta: 11.3MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Witness Printer took 55.52ms. Allocated memory is still 167.8MB. Free memory was 53.2MB in the beginning and 48.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 900]: 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 7 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 448 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 444 mSDsluCounter, 1282 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 848 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 303 IncrementalHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 434 mSDtfsCounter, 303 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 114 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=4, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 356 PreInvPairs, 400 NumberOfFragments, 565 HoareAnnotationTreeSize, 356 FomulaSimplifications, 195 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 1364 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 51/57 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: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 803]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(tmp == 0)) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) && ((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 14:57:14,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51fe8d4f-6251-4946-b867-5ae92ef86c25/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