./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa --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 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:37:25,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:37:25,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:37:25,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:37:25,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:37:25,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:37:25,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:37:25,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:37:25,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:37:25,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:37:25,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:37:25,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:37:25,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:37:25,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:37:25,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:37:25,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:37:25,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:37:25,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:37:25,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:37:25,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:37:25,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:37:25,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:37:25,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:37:25,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:37:25,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:37:25,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:37:25,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:37:25,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:37:25,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:37:25,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:37:25,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:37:25,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:37:25,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:37:25,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:37:25,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:37:25,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:37:25,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:37:25,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:37:25,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:37:25,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:37:25,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:37:25,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:37:25,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:37:25,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:37:25,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:37:25,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:37:25,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:37:25,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:37:25,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:37:25,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:37:25,824 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:37:25,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:37:25,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:37:25,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:37:25,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:37:25,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:37:25,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:37:25,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:37:25,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:37:25,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:37:25,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:37:25,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:37:25,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:37:25,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:37:25,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:37:25,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:37:25,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:37:25,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:37:25,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2021-12-07 00:37:26,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:37:26,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:37:26,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:37:26,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:37:26,028 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:37:26,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-12-07 00:37:26,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/data/02f2cc8a8/c0c803bd6d9b49e7a184c9b9fa01b654/FLAG85d6391d5 [2021-12-07 00:37:26,478 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:37:26,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2021-12-07 00:37:26,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/data/02f2cc8a8/c0c803bd6d9b49e7a184c9b9fa01b654/FLAG85d6391d5 [2021-12-07 00:37:26,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/data/02f2cc8a8/c0c803bd6d9b49e7a184c9b9fa01b654 [2021-12-07 00:37:26,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:37:26,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:37:26,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:37:26,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:37:26,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:37:26,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e445a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26, skipping insertion in model container [2021-12-07 00:37:26,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:37:26,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:37:26,678 WARN L230 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_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2021-12-07 00:37:26,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:37:26,753 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:37:26,765 WARN L230 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_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2021-12-07 00:37:26,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:37:26,819 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:37:26,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26 WrapperNode [2021-12-07 00:37:26,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:37:26,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:37:26,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:37:26,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:37:26,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,857 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 251 [2021-12-07 00:37:26,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:37:26,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:37:26,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:37:26,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:37:26,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:37:26,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:37:26,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:37:26,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:37:26,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (1/1) ... [2021-12-07 00:37:26,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:37:26,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:37:26,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:37:26,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:37:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:37:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-07 00:37:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-07 00:37:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-07 00:37:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-07 00:37:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-07 00:37:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-07 00:37:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-07 00:37:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-07 00:37:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-07 00:37:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-07 00:37:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-07 00:37:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-07 00:37:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-07 00:37:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-07 00:37:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:37:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-07 00:37:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-07 00:37:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:37:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:37:26,991 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:37:26,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:37:27,206 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:37:27,212 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:37:27,212 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 00:37:27,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:27 BoogieIcfgContainer [2021-12-07 00:37:27,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:37:27,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:37:27,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:37:27,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:37:27,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:37:26" (1/3) ... [2021-12-07 00:37:27,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e1e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:37:27, skipping insertion in model container [2021-12-07 00:37:27,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:37:26" (2/3) ... [2021-12-07 00:37:27,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e1e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:37:27, skipping insertion in model container [2021-12-07 00:37:27,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:27" (3/3) ... [2021-12-07 00:37:27,220 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2021-12-07 00:37:27,223 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:37:27,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:37:27,257 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:37:27,262 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 00:37:27,262 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 00:37:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 67 states have (on average 1.373134328358209) internal successors, (92), 76 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-07 00:37:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-07 00:37:27,281 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:37:27,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:37:27,281 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:37:27,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash 2132141092, now seen corresponding path program 1 times [2021-12-07 00:37:27,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:27,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545763148] [2021-12-07 00:37:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:27,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:27,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:27,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545763148] [2021-12-07 00:37:27,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545763148] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:27,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:37:27,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:37:27,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860209620] [2021-12-07 00:37:27,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:27,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 00:37:27,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:27,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 00:37:27,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 00:37:27,476 INFO L87 Difference]: Start difference. First operand has 91 states, 67 states have (on average 1.373134328358209) internal successors, (92), 76 states have internal predecessors, (92), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) 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) [2021-12-07 00:37:27,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:27,500 INFO L93 Difference]: Finished difference Result 174 states and 235 transitions. [2021-12-07 00:37:27,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 00:37:27,502 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 [2021-12-07 00:37:27,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:37:27,509 INFO L225 Difference]: With dead ends: 174 [2021-12-07 00:37:27,510 INFO L226 Difference]: Without dead ends: 82 [2021-12-07 00:37:27,513 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:37:27,515 INFO L933 BasicCegarLoop]: 114 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, 114 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 [2021-12-07 00:37:27,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:37:27,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-12-07 00:37:27,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-12-07 00:37:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.3) internal successors, (78), 68 states have internal predecessors, (78), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-07 00:37:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2021-12-07 00:37:27,550 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 19 [2021-12-07 00:37:27,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:37:27,551 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2021-12-07 00:37:27,551 INFO L471 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) [2021-12-07 00:37:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2021-12-07 00:37:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-07 00:37:27,552 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:37:27,553 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:37:27,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:37:27,553 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:37:27,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:27,554 INFO L85 PathProgramCache]: Analyzing trace with hash 430634852, now seen corresponding path program 1 times [2021-12-07 00:37:27,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:27,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465580502] [2021-12-07 00:37:27,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:27,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:27,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:27,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465580502] [2021-12-07 00:37:27,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465580502] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:27,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:37:27,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:37:27,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370255387] [2021-12-07 00:37:27,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:27,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:37:27,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:27,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:37:27,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:37:27,610 INFO L87 Difference]: Start difference. First operand 82 states and 105 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) [2021-12-07 00:37:27,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:27,623 INFO L93 Difference]: Finished difference Result 125 states and 159 transitions. [2021-12-07 00:37:27,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:37:27,623 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 [2021-12-07 00:37:27,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:37:27,625 INFO L225 Difference]: With dead ends: 125 [2021-12-07 00:37:27,625 INFO L226 Difference]: Without dead ends: 73 [2021-12-07 00:37:27,626 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:37:27,627 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 17 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 162 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 [2021-12-07 00:37:27,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 162 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:37:27,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-07 00:37:27,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-07 00:37:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 62 states have internal predecessors, (71), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-07 00:37:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2021-12-07 00:37:27,636 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 20 [2021-12-07 00:37:27,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:37:27,636 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2021-12-07 00:37:27,637 INFO L471 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) [2021-12-07 00:37:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2021-12-07 00:37:27,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-07 00:37:27,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:37:27,638 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:37:27,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:37:27,638 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:37:27,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:27,639 INFO L85 PathProgramCache]: Analyzing trace with hash -593314217, now seen corresponding path program 1 times [2021-12-07 00:37:27,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:27,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622612712] [2021-12-07 00:37:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:27,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:27,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:27,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622612712] [2021-12-07 00:37:27,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622612712] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:27,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:37:27,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 00:37:27,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573589561] [2021-12-07 00:37:27,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:27,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:37:27,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:27,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:37:27,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:37:27,701 INFO L87 Difference]: Start difference. First operand 73 states and 93 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) [2021-12-07 00:37:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:27,770 INFO L93 Difference]: Finished difference Result 177 states and 230 transitions. [2021-12-07 00:37:27,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:37:27,770 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 [2021-12-07 00:37:27,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:37:27,772 INFO L225 Difference]: With dead ends: 177 [2021-12-07 00:37:27,772 INFO L226 Difference]: Without dead ends: 111 [2021-12-07 00:37:27,773 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:37:27,774 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 156 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 299 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 [2021-12-07 00:37:27,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 299 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:37:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-12-07 00:37:27,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2021-12-07 00:37:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 81 states have (on average 1.345679012345679) internal successors, (109), 92 states have internal predecessors, (109), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 10 states have call predecessors, (16), 15 states have call successors, (16) [2021-12-07 00:37:27,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2021-12-07 00:37:27,789 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 25 [2021-12-07 00:37:27,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:37:27,790 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2021-12-07 00:37:27,790 INFO L471 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) [2021-12-07 00:37:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2021-12-07 00:37:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-07 00:37:27,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:37:27,791 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:37:27,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:37:27,792 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:37:27,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:27,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1659032566, now seen corresponding path program 1 times [2021-12-07 00:37:27,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:27,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249222883] [2021-12-07 00:37:27,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:27,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:27,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:27,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249222883] [2021-12-07 00:37:27,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249222883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:27,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:37:27,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:37:27,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587062174] [2021-12-07 00:37:27,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:27,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 00:37:27,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:27,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:37:27,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:37:27,849 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2021-12-07 00:37:27,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:27,898 INFO L93 Difference]: Finished difference Result 298 states and 403 transitions. [2021-12-07 00:37:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:37:27,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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 [2021-12-07 00:37:27,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:37:27,902 INFO L225 Difference]: With dead ends: 298 [2021-12-07 00:37:27,902 INFO L226 Difference]: Without dead ends: 197 [2021-12-07 00:37:27,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:37:27,905 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 65 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:37:27,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 376 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:37:27,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-12-07 00:37:27,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-12-07 00:37:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 165 states have internal predecessors, (194), 30 states have call successors, (30), 22 states have call predecessors, (30), 20 states have return successors, (35), 18 states have call predecessors, (35), 30 states have call successors, (35) [2021-12-07 00:37:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 259 transitions. [2021-12-07 00:37:27,936 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 259 transitions. Word has length 28 [2021-12-07 00:37:27,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:37:27,937 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 259 transitions. [2021-12-07 00:37:27,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2021-12-07 00:37:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 259 transitions. [2021-12-07 00:37:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-07 00:37:27,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:37:27,939 INFO L514 BasicCegarLoop]: 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] [2021-12-07 00:37:27,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:37:27,940 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:37:27,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:27,940 INFO L85 PathProgramCache]: Analyzing trace with hash 371851791, now seen corresponding path program 1 times [2021-12-07 00:37:27,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:27,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402399836] [2021-12-07 00:37:27,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:27,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:27,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:27,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402399836] [2021-12-07 00:37:27,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402399836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:27,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:37:27,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 00:37:27,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195469233] [2021-12-07 00:37:27,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:27,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:37:27,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:27,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:37:27,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:37:27,990 INFO L87 Difference]: Start difference. First operand 197 states and 259 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) [2021-12-07 00:37:28,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:28,011 INFO L93 Difference]: Finished difference Result 333 states and 448 transitions. [2021-12-07 00:37:28,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:37:28,012 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 [2021-12-07 00:37:28,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:37:28,013 INFO L225 Difference]: With dead ends: 333 [2021-12-07 00:37:28,014 INFO L226 Difference]: Without dead ends: 143 [2021-12-07 00:37:28,016 INFO L932 BasicCegarLoop]: 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 [2021-12-07 00:37:28,017 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:37:28,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 54 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:37:28,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-12-07 00:37:28,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141. [2021-12-07 00:37:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 117 states have internal predecessors, (138), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (18), 14 states have call predecessors, (18), 16 states have call successors, (18) [2021-12-07 00:37:28,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 172 transitions. [2021-12-07 00:37:28,035 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 172 transitions. Word has length 30 [2021-12-07 00:37:28,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:37:28,035 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 172 transitions. [2021-12-07 00:37:28,035 INFO L471 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) [2021-12-07 00:37:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 172 transitions. [2021-12-07 00:37:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-07 00:37:28,037 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 00:37:28,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:37:28,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:37:28,038 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 00:37:28,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:37:28,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1477156208, now seen corresponding path program 1 times [2021-12-07 00:37:28,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:37:28,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751365686] [2021-12-07 00:37:28,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:37:28,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:37:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:28,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 00:37:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:37:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:37:28,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:37:28,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751365686] [2021-12-07 00:37:28,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751365686] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:37:28,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:37:28,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 00:37:28,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086868383] [2021-12-07 00:37:28,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:37:28,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 00:37:28,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:37:28,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 00:37:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 00:37:28,103 INFO L87 Difference]: Start difference. First operand 141 states and 172 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:37:28,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:37:28,172 INFO L93 Difference]: Finished difference Result 151 states and 183 transitions. [2021-12-07 00:37:28,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:37:28,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-12-07 00:37:28,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 00:37:28,173 INFO L225 Difference]: With dead ends: 151 [2021-12-07 00:37:28,173 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 00:37:28,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:37:28,174 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 00:37:28,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 158 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 00:37:28,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 00:37:28,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 00:37:28,175 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) [2021-12-07 00:37:28,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 00:37:28,176 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-12-07 00:37:28,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 00:37:28,176 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:37:28,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 00:37:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:37:28,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 00:37:28,178 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 00:37:28,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:37:28,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 00:37:28,555 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 801 808) the Hoare annotation is: true [2021-12-07 00:37:28,556 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 801 808) no Hoare annotation was computed. [2021-12-07 00:37:28,556 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 801 808) no Hoare annotation was computed. [2021-12-07 00:37:28,556 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 717 723) no Hoare annotation was computed. [2021-12-07 00:37:28,556 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 717 723) the Hoare annotation is: true [2021-12-07 00:37:28,556 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 257 268) the Hoare annotation is: true [2021-12-07 00:37:28,556 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 257 268) no Hoare annotation was computed. [2021-12-07 00:37:28,557 INFO L858 garLoopResultBuilder]: For program point L261-1(lines 257 268) no Hoare annotation was computed. [2021-12-07 00:37:28,557 INFO L854 garLoopResultBuilder]: At program point L770-1(lines 751 775) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2021-12-07 00:37:28,557 INFO L858 garLoopResultBuilder]: For program point L704-1(lines 704 710) no Hoare annotation was computed. [2021-12-07 00:37:28,557 INFO L854 garLoopResultBuilder]: At program point L122(lines 117 124) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 00:37:28,557 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 693 716) no Hoare annotation was computed. [2021-12-07 00:37:28,557 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-12-07 00:37:28,558 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-12-07 00:37:28,558 INFO L854 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2021-12-07 00:37:28,558 INFO L854 garLoopResultBuilder]: At program point L825(lines 820 828) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2021-12-07 00:37:28,558 INFO L858 garLoopResultBuilder]: For program point L697-1(lines 696 715) no Hoare annotation was computed. [2021-12-07 00:37:28,558 INFO L858 garLoopResultBuilder]: For program point L759(lines 759 767) no Hoare annotation was computed. [2021-12-07 00:37:28,558 INFO L858 garLoopResultBuilder]: For program point L755(lines 755 772) no Hoare annotation was computed. [2021-12-07 00:37:28,559 INFO L854 garLoopResultBuilder]: At program point L306(lines 301 309) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1)))) [2021-12-07 00:37:28,559 INFO L854 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 00:37:28,559 INFO L854 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 00:37:28,559 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-07 00:37:28,559 INFO L854 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 00:37:28,560 INFO L858 garLoopResultBuilder]: For program point L757-1(line 757) no Hoare annotation was computed. [2021-12-07 00:37:28,560 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 693 716) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2021-12-07 00:37:28,560 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2021-12-07 00:37:28,560 INFO L854 garLoopResultBuilder]: At program point L237-2(lines 233 244) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-12-07 00:37:28,560 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 693 716) no Hoare annotation was computed. [2021-12-07 00:37:28,560 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2021-12-07 00:37:28,561 INFO L854 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2021-12-07 00:37:28,561 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 128 157) no Hoare annotation was computed. [2021-12-07 00:37:28,561 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 128 157) the Hoare annotation is: true [2021-12-07 00:37:28,561 INFO L861 garLoopResultBuilder]: At program point L153(lines 128 157) the Hoare annotation is: true [2021-12-07 00:37:28,561 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-07 00:37:28,561 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2021-12-07 00:37:28,561 INFO L861 garLoopResultBuilder]: At program point L142-1(lines 142 146) the Hoare annotation is: true [2021-12-07 00:37:28,561 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-07 00:37:28,561 INFO L861 garLoopResultBuilder]: At program point L138-2(lines 138 152) the Hoare annotation is: true [2021-12-07 00:37:28,561 INFO L861 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: true [2021-12-07 00:37:28,562 INFO L858 garLoopResultBuilder]: For program point L134-1(line 134) no Hoare annotation was computed. [2021-12-07 00:37:28,562 INFO L854 garLoopResultBuilder]: At program point L97(lines 93 99) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-07 00:37:28,562 INFO L858 garLoopResultBuilder]: For program point L956(lines 956 962) no Hoare annotation was computed. [2021-12-07 00:37:28,562 INFO L854 garLoopResultBuilder]: At program point L890(line 890) the Hoare annotation is: false [2021-12-07 00:37:28,562 INFO L854 garLoopResultBuilder]: At program point L956-2(lines 948 963) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2021-12-07 00:37:28,562 INFO L858 garLoopResultBuilder]: For program point L919(lines 918 967) no Hoare annotation was computed. [2021-12-07 00:37:28,562 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-12-07 00:37:28,562 INFO L858 garLoopResultBuilder]: For program point L948(lines 948 963) no Hoare annotation was computed. [2021-12-07 00:37:28,562 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-12-07 00:37:28,563 INFO L854 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2021-12-07 00:37:28,563 INFO L854 garLoopResultBuilder]: At program point L965(lines 918 967) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2021-12-07 00:37:28,563 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2021-12-07 00:37:28,563 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 00:37:28,563 INFO L858 garLoopResultBuilder]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2021-12-07 00:37:28,563 INFO L861 garLoopResultBuilder]: At program point L222(lines 203 225) the Hoare annotation is: true [2021-12-07 00:37:28,563 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 00:37:28,563 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 191) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-07 00:37:28,563 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 00:37:28,563 INFO L858 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2021-12-07 00:37:28,563 INFO L854 garLoopResultBuilder]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1) (not (= 0 ~systemActive~0))) [2021-12-07 00:37:28,564 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 00:37:28,564 INFO L854 garLoopResultBuilder]: At program point L896(lines 884 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2021-12-07 00:37:28,564 INFO L858 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2021-12-07 00:37:28,564 INFO L858 garLoopResultBuilder]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2021-12-07 00:37:28,564 INFO L854 garLoopResultBuilder]: At program point L112(lines 107 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-07 00:37:28,564 INFO L861 garLoopResultBuilder]: At program point L971(lines 908 975) the Hoare annotation is: true [2021-12-07 00:37:28,564 INFO L858 garLoopResultBuilder]: For program point L938(lines 938 944) no Hoare annotation was computed. [2021-12-07 00:37:28,564 INFO L858 garLoopResultBuilder]: For program point L938-1(lines 938 944) no Hoare annotation was computed. [2021-12-07 00:37:28,564 INFO L854 garLoopResultBuilder]: At program point L104(lines 100 106) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-07 00:37:28,565 INFO L854 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2021-12-07 00:37:28,565 INFO L854 garLoopResultBuilder]: At program point L968(lines 917 969) the Hoare annotation is: false [2021-12-07 00:37:28,565 INFO L861 garLoopResultBuilder]: At program point L200(lines 193 202) the Hoare annotation is: true [2021-12-07 00:37:28,565 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 245 256) no Hoare annotation was computed. [2021-12-07 00:37:28,565 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 245 256) no Hoare annotation was computed. [2021-12-07 00:37:28,565 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 245 256) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2021-12-07 00:37:28,565 INFO L854 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-07 00:37:28,565 INFO L858 garLoopResultBuilder]: For program point L733(lines 733 741) no Hoare annotation was computed. [2021-12-07 00:37:28,565 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 746) no Hoare annotation was computed. [2021-12-07 00:37:28,565 INFO L854 garLoopResultBuilder]: At program point L880(lines 865 883) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-07 00:37:28,566 INFO L858 garLoopResultBuilder]: For program point L874(lines 874 878) no Hoare annotation was computed. [2021-12-07 00:37:28,566 INFO L858 garLoopResultBuilder]: For program point L874-2(lines 874 878) no Hoare annotation was computed. [2021-12-07 00:37:28,566 INFO L854 garLoopResultBuilder]: At program point L744(line 744) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-07 00:37:28,566 INFO L858 garLoopResultBuilder]: For program point L744-1(lines 725 749) no Hoare annotation was computed. [2021-12-07 00:37:28,566 INFO L854 garLoopResultBuilder]: At program point L315(lines 310 318) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-07 00:37:28,566 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 725 749) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-07 00:37:28,566 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 725 749) no Hoare annotation was computed. [2021-12-07 00:37:28,566 INFO L854 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-07 00:37:28,566 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 809 819) the Hoare annotation is: true [2021-12-07 00:37:28,566 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 809 819) no Hoare annotation was computed. [2021-12-07 00:37:28,566 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 809 819) no Hoare annotation was computed. [2021-12-07 00:37:28,567 INFO L861 garLoopResultBuilder]: At program point L274(lines 269 277) the Hoare annotation is: true [2021-12-07 00:37:28,569 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-07 00:37:28,570 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 00:37:28,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:37:28 BoogieIcfgContainer [2021-12-07 00:37:28,588 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 00:37:28,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:37:28,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:37:28,589 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:37:28,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:37:27" (3/4) ... [2021-12-07 00:37:28,593 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 00:37:28,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-07 00:37:28,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-07 00:37:28,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-07 00:37:28,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-07 00:37:28,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-07 00:37:28,598 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-07 00:37:28,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-07 00:37:28,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-07 00:37:28,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-07 00:37:28,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-07 00:37:28,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 00:37:28,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 00:37:28,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 00:37:28,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:37:28,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 00:37:28,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-12-07 00:37:28,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2021-12-07 00:37:28,625 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2021-12-07 00:37:28,625 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-07 00:37:28,626 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive)) [2021-12-07 00:37:28,626 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2021-12-07 00:37:28,626 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2021-12-07 00:37:28,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2021-12-07 00:37:28,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) [2021-12-07 00:37:28,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-07 00:37:28,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) [2021-12-07 00:37:28,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-07 00:37:28,627 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-12-07 00:37:28,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 00:37:28,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:37:28,654 INFO L158 Benchmark]: Toolchain (without parser) took 2150.06ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 69.9MB in the beginning and 79.5MB in the end (delta: -9.6MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-12-07 00:37:28,654 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:37:28,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.98ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 75.2MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 00:37:28,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.79ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 72.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:37:28,655 INFO L158 Benchmark]: Boogie Preprocessor took 19.99ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 71.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:37:28,656 INFO L158 Benchmark]: RCFGBuilder took 335.42ms. Allocated memory is still 107.0MB. Free memory was 71.1MB in the beginning and 54.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-07 00:37:28,656 INFO L158 Benchmark]: TraceAbstraction took 1373.29ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 85.8MB in the end (delta: -31.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-12-07 00:37:28,656 INFO L158 Benchmark]: Witness Printer took 64.37ms. Allocated memory is still 134.2MB. Free memory was 85.8MB in the beginning and 79.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:37:28,658 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 107.0MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.98ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 75.2MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.79ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 72.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.99ms. Allocated memory is still 107.0MB. Free memory was 72.6MB in the beginning and 71.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.42ms. Allocated memory is still 107.0MB. Free memory was 71.1MB in the beginning and 54.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1373.29ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 85.8MB in the end (delta: -31.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 64.37ms. Allocated memory is still 134.2MB. Free memory was 85.8MB in the beginning and 79.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 121]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 336 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 331 mSDsluCounter, 1163 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 654 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 509 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=4, InterpolantAutomatonStates: 25, 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 355 PreInvPairs, 405 NumberOfFragments, 355 HoareAnnotationTreeSize, 355 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 1191 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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: 820]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2021-12-07 00:37:28,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e49b7d87-bc5e-4b2e-bc82-f82a37d7f071/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE