./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.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_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/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_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/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_dcd840e7-5dc3-45af-85a1-c8772aebbff2/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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:29:21,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:29:21,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:29:21,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:29:21,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:29:21,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:29:21,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:29:21,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:29:21,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:29:21,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:29:21,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:29:21,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:29:21,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:29:21,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:29:21,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:29:21,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:29:21,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:29:21,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:29:21,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:29:21,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:29:21,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:29:21,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:29:21,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:29:21,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:29:21,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:29:21,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:29:21,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:29:21,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:29:21,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:29:21,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:29:21,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:29:21,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:29:21,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:29:21,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:29:21,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:29:21,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:29:21,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:29:21,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:29:21,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:29:21,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:29:21,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:29:21,935 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:29:21,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:29:21,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:29:21,953 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:29:21,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:29:21,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:29:21,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:29:21,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:29:21,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:29:21,955 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:29:21,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:29:21,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:29:21,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:29:21,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:29:21,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:29:21,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:29:21,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:29:21,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:29:21,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:29:21,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:29:21,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:29:21,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:29:21,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:29:21,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:29:21,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:29:21,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:29:21,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:29:21,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:29:21,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:29:21,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:29:21,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:29:21,957 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:29:21,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:29:21,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:29:21,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:29:21,958 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_dcd840e7-5dc3-45af-85a1-c8772aebbff2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2021-12-06 23:29:22,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:29:22,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:29:22,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:29:22,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:29:22,158 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:29:22,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-12-06 23:29:22,204 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/data/c43085772/d75e8cc5504f4b99aa7ab650cf3deaac/FLAGf1078310d [2021-12-06 23:29:22,615 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:29:22,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-12-06 23:29:22,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/data/c43085772/d75e8cc5504f4b99aa7ab650cf3deaac/FLAGf1078310d [2021-12-06 23:29:22,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/data/c43085772/d75e8cc5504f4b99aa7ab650cf3deaac [2021-12-06 23:29:22,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:29:22,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:29:22,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:29:22,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:29:22,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:29:22,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687be810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22, skipping insertion in model container [2021-12-06 23:29:22,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:29:22,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:29:22,801 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_dcd840e7-5dc3-45af-85a1-c8772aebbff2/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-12-06 23:29:22,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:29:22,875 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:29:22,886 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_dcd840e7-5dc3-45af-85a1-c8772aebbff2/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-12-06 23:29:22,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:29:22,936 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:29:22,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22 WrapperNode [2021-12-06 23:29:22,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:29:22,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:29:22,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:29:22,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:29:22,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,982 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 238 [2021-12-06 23:29:22,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:29:22,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:29:22,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:29:22,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:29:22,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:22,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:23,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:23,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:29:23,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:29:23,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:29:23,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:29:23,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (1/1) ... [2021-12-06 23:29:23,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:29:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:29:23,033 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:29:23,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:29:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:29:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 23:29:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 23:29:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 23:29:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 23:29:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 23:29:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 23:29:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 23:29:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 23:29:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-06 23:29:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-06 23:29:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:29:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 23:29:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 23:29:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:29:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:29:23,118 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:29:23,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:29:23,316 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:29:23,322 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:29:23,322 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 23:29:23,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:29:23 BoogieIcfgContainer [2021-12-06 23:29:23,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:29:23,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:29:23,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:29:23,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:29:23,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:29:22" (1/3) ... [2021-12-06 23:29:23,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a59538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:29:23, skipping insertion in model container [2021-12-06 23:29:23,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:29:22" (2/3) ... [2021-12-06 23:29:23,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69a59538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:29:23, skipping insertion in model container [2021-12-06 23:29:23,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:29:23" (3/3) ... [2021-12-06 23:29:23,330 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2021-12-06 23:29:23,334 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:29:23,334 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:29:23,369 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:29:23,374 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 [2021-12-06 23:29:23,374 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:29:23,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 23:29:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 23:29:23,393 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:23,394 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:23,394 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:23,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:23,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1797931529, now seen corresponding path program 1 times [2021-12-06 23:29:23,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:23,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706757906] [2021-12-06 23:29:23,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:23,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 23:29:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 23:29:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:29:23,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:23,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706757906] [2021-12-06 23:29:23,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706757906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:23,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:23,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:29:23,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099408512] [2021-12-06 23:29:23,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:23,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 23:29:23,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:23,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 23:29:23,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:29:23,594 INFO L87 Difference]: Start difference. First operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 23:29:23,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:23,621 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2021-12-06 23:29:23,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 23:29:23,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-06 23:29:23,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:23,630 INFO L225 Difference]: With dead ends: 161 [2021-12-06 23:29:23,630 INFO L226 Difference]: Without dead ends: 76 [2021-12-06 23:29:23,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:29:23,636 INFO L933 BasicCegarLoop]: 106 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, 106 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 [2021-12-06 23:29:23,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:29:23,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-06 23:29:23,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-12-06 23:29:23,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3) internal successors, (78), 65 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 23:29:23,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2021-12-06 23:29:23,669 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 32 [2021-12-06 23:29:23,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:23,669 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2021-12-06 23:29:23,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 23:29:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2021-12-06 23:29:23,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 23:29:23,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:23,672 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:23,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:29:23,672 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:23,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:23,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1521544977, now seen corresponding path program 1 times [2021-12-06 23:29:23,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:23,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035109253] [2021-12-06 23:29:23,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:23,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 23:29:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 23:29:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:29:23,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:23,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035109253] [2021-12-06 23:29:23,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035109253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:23,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:23,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:29:23,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26961216] [2021-12-06 23:29:23,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:23,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:29:23,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:23,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:29:23,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:29:23,739 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 23:29:23,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:23,750 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2021-12-06 23:29:23,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:29:23,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-06 23:29:23,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:23,751 INFO L225 Difference]: With dead ends: 112 [2021-12-06 23:29:23,751 INFO L226 Difference]: Without dead ends: 67 [2021-12-06 23:29:23,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:29:23,753 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 18 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 146 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 [2021-12-06 23:29:23,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:29:23,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-12-06 23:29:23,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-12-06 23:29:23,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 59 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-06 23:29:23,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2021-12-06 23:29:23,761 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 33 [2021-12-06 23:29:23,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:23,762 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2021-12-06 23:29:23,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 23:29:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2021-12-06 23:29:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 23:29:23,763 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:23,763 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:23,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:29:23,763 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:23,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:23,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1250979301, now seen corresponding path program 1 times [2021-12-06 23:29:23,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:23,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385472997] [2021-12-06 23:29:23,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:23,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 23:29:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:29:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:29:23,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:23,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385472997] [2021-12-06 23:29:23,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385472997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:23,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:23,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:29:23,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282570996] [2021-12-06 23:29:23,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:23,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:29:23,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:23,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:29:23,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:29:23,848 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:29:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:23,876 INFO L93 Difference]: Finished difference Result 183 states and 238 transitions. [2021-12-06 23:29:23,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:29:23,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-06 23:29:23,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:23,879 INFO L225 Difference]: With dead ends: 183 [2021-12-06 23:29:23,879 INFO L226 Difference]: Without dead ends: 124 [2021-12-06 23:29:23,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:29:23,881 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 58 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:23,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 176 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:29:23,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-12-06 23:29:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 119. [2021-12-06 23:29:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 103 states have internal predecessors, (126), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-06 23:29:23,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 154 transitions. [2021-12-06 23:29:23,896 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 154 transitions. Word has length 38 [2021-12-06 23:29:23,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:23,897 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 154 transitions. [2021-12-06 23:29:23,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:29:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 154 transitions. [2021-12-06 23:29:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 23:29:23,898 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:23,899 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:23,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:29:23,899 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:23,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:23,899 INFO L85 PathProgramCache]: Analyzing trace with hash 177136733, now seen corresponding path program 1 times [2021-12-06 23:29:23,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:23,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454041071] [2021-12-06 23:29:23,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:23,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-06 23:29:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 23:29:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 23:29:23,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:23,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454041071] [2021-12-06 23:29:23,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454041071] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:23,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:23,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:29:23,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619274366] [2021-12-06 23:29:23,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:23,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:29:23,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:23,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:29:23,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:29:23,997 INFO L87 Difference]: Start difference. First operand 119 states and 154 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 23:29:24,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:24,089 INFO L93 Difference]: Finished difference Result 324 states and 428 transitions. [2021-12-06 23:29:24,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 23:29:24,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-06 23:29:24,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:24,092 INFO L225 Difference]: With dead ends: 324 [2021-12-06 23:29:24,092 INFO L226 Difference]: Without dead ends: 213 [2021-12-06 23:29:24,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 23:29:24,096 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 42 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:24,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 408 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:29:24,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-12-06 23:29:24,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 201. [2021-12-06 23:29:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 156 states have (on average 1.3012820512820513) internal successors, (203), 167 states have internal predecessors, (203), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2021-12-06 23:29:24,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 255 transitions. [2021-12-06 23:29:24,124 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 255 transitions. Word has length 41 [2021-12-06 23:29:24,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:24,125 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 255 transitions. [2021-12-06 23:29:24,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 23:29:24,125 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 255 transitions. [2021-12-06 23:29:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-06 23:29:24,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:24,128 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:24,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:29:24,128 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:24,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:24,129 INFO L85 PathProgramCache]: Analyzing trace with hash -413128686, now seen corresponding path program 1 times [2021-12-06 23:29:24,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:24,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557722202] [2021-12-06 23:29:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:24,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 23:29:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 23:29:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:29:24,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:24,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557722202] [2021-12-06 23:29:24,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557722202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:24,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:24,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:29:24,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392580071] [2021-12-06 23:29:24,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:24,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:29:24,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:24,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:29:24,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:29:24,176 INFO L87 Difference]: Start difference. First operand 201 states and 255 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:29:24,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:24,215 INFO L93 Difference]: Finished difference Result 431 states and 556 transitions. [2021-12-06 23:29:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:29:24,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2021-12-06 23:29:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:24,219 INFO L225 Difference]: With dead ends: 431 [2021-12-06 23:29:24,219 INFO L226 Difference]: Without dead ends: 238 [2021-12-06 23:29:24,220 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:29:24,222 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 40 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:24,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 366 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:29:24,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-12-06 23:29:24,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 207. [2021-12-06 23:29:24,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 162 states have (on average 1.2901234567901234) internal successors, (209), 173 states have internal predecessors, (209), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2021-12-06 23:29:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 261 transitions. [2021-12-06 23:29:24,246 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 261 transitions. Word has length 47 [2021-12-06 23:29:24,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:24,246 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 261 transitions. [2021-12-06 23:29:24,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:29:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 261 transitions. [2021-12-06 23:29:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-06 23:29:24,248 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:24,248 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:24,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:29:24,249 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:24,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:24,249 INFO L85 PathProgramCache]: Analyzing trace with hash -2001476588, now seen corresponding path program 1 times [2021-12-06 23:29:24,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:24,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082546941] [2021-12-06 23:29:24,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:24,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 23:29:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 23:29:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:29:24,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:24,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082546941] [2021-12-06 23:29:24,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082546941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:24,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:24,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:29:24,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575877459] [2021-12-06 23:29:24,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:24,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:29:24,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:24,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:29:24,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:29:24,299 INFO L87 Difference]: Start difference. First operand 207 states and 261 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:29:24,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:24,352 INFO L93 Difference]: Finished difference Result 466 states and 600 transitions. [2021-12-06 23:29:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:29:24,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2021-12-06 23:29:24,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:24,354 INFO L225 Difference]: With dead ends: 466 [2021-12-06 23:29:24,354 INFO L226 Difference]: Without dead ends: 267 [2021-12-06 23:29:24,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 23:29:24,361 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 128 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:24,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 431 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:29:24,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-12-06 23:29:24,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 211. [2021-12-06 23:29:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 166 states have (on average 1.283132530120482) internal successors, (213), 177 states have internal predecessors, (213), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2021-12-06 23:29:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 265 transitions. [2021-12-06 23:29:24,378 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 265 transitions. Word has length 47 [2021-12-06 23:29:24,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:24,378 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 265 transitions. [2021-12-06 23:29:24,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:29:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 265 transitions. [2021-12-06 23:29:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-06 23:29:24,379 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:24,380 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:24,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:29:24,380 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:24,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:24,380 INFO L85 PathProgramCache]: Analyzing trace with hash 604546966, now seen corresponding path program 1 times [2021-12-06 23:29:24,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:24,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847736341] [2021-12-06 23:29:24,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:24,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 23:29:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 23:29:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:29:24,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:24,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847736341] [2021-12-06 23:29:24,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847736341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:24,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:24,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:29:24,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954010297] [2021-12-06 23:29:24,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:24,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:29:24,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:24,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:29:24,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:29:24,430 INFO L87 Difference]: Start difference. First operand 211 states and 265 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:29:24,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:24,461 INFO L93 Difference]: Finished difference Result 508 states and 643 transitions. [2021-12-06 23:29:24,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:29:24,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 47 [2021-12-06 23:29:24,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:24,465 INFO L225 Difference]: With dead ends: 508 [2021-12-06 23:29:24,465 INFO L226 Difference]: Without dead ends: 305 [2021-12-06 23:29:24,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:29:24,467 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 39 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:24,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 161 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:29:24,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-12-06 23:29:24,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-12-06 23:29:24,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 240 states have (on average 1.25) internal successors, (300), 253 states have internal predecessors, (300), 36 states have call successors, (36), 30 states have call predecessors, (36), 28 states have return successors, (40), 34 states have call predecessors, (40), 36 states have call successors, (40) [2021-12-06 23:29:24,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 376 transitions. [2021-12-06 23:29:24,485 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 376 transitions. Word has length 47 [2021-12-06 23:29:24,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:24,486 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 376 transitions. [2021-12-06 23:29:24,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 23:29:24,486 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 376 transitions. [2021-12-06 23:29:24,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 23:29:24,487 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:24,487 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:24,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:29:24,488 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:24,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:24,488 INFO L85 PathProgramCache]: Analyzing trace with hash -542316420, now seen corresponding path program 1 times [2021-12-06 23:29:24,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:24,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299317668] [2021-12-06 23:29:24,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:24,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 23:29:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 23:29:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 23:29:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:29:24,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:24,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299317668] [2021-12-06 23:29:24,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299317668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:24,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:24,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 23:29:24,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482450636] [2021-12-06 23:29:24,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:24,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:29:24,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:24,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:29:24,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:29:24,576 INFO L87 Difference]: Start difference. First operand 305 states and 376 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 23:29:24,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:24,824 INFO L93 Difference]: Finished difference Result 1038 states and 1325 transitions. [2021-12-06 23:29:24,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 23:29:24,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 51 [2021-12-06 23:29:24,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:24,829 INFO L225 Difference]: With dead ends: 1038 [2021-12-06 23:29:24,829 INFO L226 Difference]: Without dead ends: 835 [2021-12-06 23:29:24,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-12-06 23:29:24,831 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 228 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:24,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 683 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:29:24,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2021-12-06 23:29:24,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 771. [2021-12-06 23:29:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 610 states have (on average 1.2327868852459016) internal successors, (752), 647 states have internal predecessors, (752), 88 states have call successors, (88), 66 states have call predecessors, (88), 72 states have return successors, (108), 84 states have call predecessors, (108), 88 states have call successors, (108) [2021-12-06 23:29:24,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 948 transitions. [2021-12-06 23:29:24,877 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 948 transitions. Word has length 51 [2021-12-06 23:29:24,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:24,877 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 948 transitions. [2021-12-06 23:29:24,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 23:29:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 948 transitions. [2021-12-06 23:29:24,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-06 23:29:24,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:24,879 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:24,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:29:24,879 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:24,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash 8311452, now seen corresponding path program 1 times [2021-12-06 23:29:24,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:24,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081570779] [2021-12-06 23:29:24,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:24,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 23:29:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 23:29:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:29:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 23:29:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 23:29:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 23:29:24,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:24,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081570779] [2021-12-06 23:29:24,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081570779] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:29:24,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:29:24,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:29:24,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679241032] [2021-12-06 23:29:24,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:29:24,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:29:24,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:24,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:29:24,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:29:24,937 INFO L87 Difference]: Start difference. First operand 771 states and 948 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-06 23:29:25,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:25,081 INFO L93 Difference]: Finished difference Result 1319 states and 1618 transitions. [2021-12-06 23:29:25,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 23:29:25,082 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 81 [2021-12-06 23:29:25,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:25,085 INFO L225 Difference]: With dead ends: 1319 [2021-12-06 23:29:25,085 INFO L226 Difference]: Without dead ends: 556 [2021-12-06 23:29:25,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:29:25,088 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 159 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:25,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 351 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:29:25,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2021-12-06 23:29:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 540. [2021-12-06 23:29:25,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 426 states have (on average 1.2183098591549295) internal successors, (519), 452 states have internal predecessors, (519), 62 states have call successors, (62), 48 states have call predecessors, (62), 51 states have return successors, (72), 59 states have call predecessors, (72), 62 states have call successors, (72) [2021-12-06 23:29:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 653 transitions. [2021-12-06 23:29:25,124 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 653 transitions. Word has length 81 [2021-12-06 23:29:25,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:25,125 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 653 transitions. [2021-12-06 23:29:25,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-06 23:29:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 653 transitions. [2021-12-06 23:29:25,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-06 23:29:25,126 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:25,126 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:25,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:29:25,126 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:25,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:25,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1954817075, now seen corresponding path program 1 times [2021-12-06 23:29:25,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:25,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418277073] [2021-12-06 23:29:25,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:25,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 23:29:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 23:29:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:29:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 23:29:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:25,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-06 23:29:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:25,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-06 23:29:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 23:29:25,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:25,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418277073] [2021-12-06 23:29:25,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418277073] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:29:25,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173971696] [2021-12-06 23:29:25,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:25,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:25,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:29:25,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:29:25,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:29:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:25,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:29:25,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:29:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:29:25,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:29:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 23:29:25,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173971696] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:29:25,586 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:29:25,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2021-12-06 23:29:25,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745535075] [2021-12-06 23:29:25,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:29:25,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 23:29:25,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:25,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 23:29:25,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-12-06 23:29:25,588 INFO L87 Difference]: Start difference. First operand 540 states and 653 transitions. Second operand has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2021-12-06 23:29:26,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:26,220 INFO L93 Difference]: Finished difference Result 1121 states and 1388 transitions. [2021-12-06 23:29:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-06 23:29:26,221 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) Word has length 83 [2021-12-06 23:29:26,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:26,224 INFO L225 Difference]: With dead ends: 1121 [2021-12-06 23:29:26,225 INFO L226 Difference]: Without dead ends: 668 [2021-12-06 23:29:26,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=393, Invalid=1499, Unknown=0, NotChecked=0, Total=1892 [2021-12-06 23:29:26,227 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 325 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 739 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 739 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:26,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 1145 Invalid, 887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 739 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 23:29:26,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-12-06 23:29:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 580. [2021-12-06 23:29:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 449 states have (on average 1.2026726057906458) internal successors, (540), 479 states have internal predecessors, (540), 71 states have call successors, (71), 60 states have call predecessors, (71), 59 states have return successors, (77), 62 states have call predecessors, (77), 71 states have call successors, (77) [2021-12-06 23:29:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 688 transitions. [2021-12-06 23:29:26,261 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 688 transitions. Word has length 83 [2021-12-06 23:29:26,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:26,261 INFO L470 AbstractCegarLoop]: Abstraction has 580 states and 688 transitions. [2021-12-06 23:29:26,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 10 states have internal predecessors, (118), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2021-12-06 23:29:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 688 transitions. [2021-12-06 23:29:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-12-06 23:29:26,264 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:29:26,264 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:26,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:29:26,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 23:29:26,465 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:29:26,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:29:26,465 INFO L85 PathProgramCache]: Analyzing trace with hash 57448184, now seen corresponding path program 1 times [2021-12-06 23:29:26,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:29:26,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732845956] [2021-12-06 23:29:26,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:26,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:29:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 23:29:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 23:29:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:29:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 23:29:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:29:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 23:29:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 23:29:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:29:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 23:29:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 23:29:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 23:29:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 23:29:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 23:29:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 94 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2021-12-06 23:29:26,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:29:26,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732845956] [2021-12-06 23:29:26,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732845956] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:29:26,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717497632] [2021-12-06 23:29:26,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:29:26,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:26,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:29:26,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:29:26,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:29:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:29:26,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 23:29:26,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:29:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 177 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-12-06 23:29:26,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:29:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 114 proven. 61 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-12-06 23:29:27,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717497632] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:29:27,281 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:29:27,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 11] total 24 [2021-12-06 23:29:27,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314427142] [2021-12-06 23:29:27,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:29:27,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-06 23:29:27,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:29:27,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-06 23:29:27,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2021-12-06 23:29:27,283 INFO L87 Difference]: Start difference. First operand 580 states and 688 transitions. Second operand has 24 states, 24 states have (on average 9.041666666666666) internal successors, (217), 21 states have internal predecessors, (217), 9 states have call successors, (21), 8 states have call predecessors, (21), 9 states have return successors, (23), 8 states have call predecessors, (23), 9 states have call successors, (23) [2021-12-06 23:29:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:29:27,707 INFO L93 Difference]: Finished difference Result 1348 states and 1641 transitions. [2021-12-06 23:29:27,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 23:29:27,707 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.041666666666666) internal successors, (217), 21 states have internal predecessors, (217), 9 states have call successors, (21), 8 states have call predecessors, (21), 9 states have return successors, (23), 8 states have call predecessors, (23), 9 states have call successors, (23) Word has length 178 [2021-12-06 23:29:27,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:29:27,708 INFO L225 Difference]: With dead ends: 1348 [2021-12-06 23:29:27,708 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 23:29:27,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 372 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=346, Invalid=1214, Unknown=0, NotChecked=0, Total=1560 [2021-12-06 23:29:27,711 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 651 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:29:27,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [654 Valid, 990 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:29:27,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 23:29:27,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 23:29:27,712 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) [2021-12-06 23:29:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 23:29:27,712 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2021-12-06 23:29:27,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:29:27,713 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:29:27,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.041666666666666) internal successors, (217), 21 states have internal predecessors, (217), 9 states have call successors, (21), 8 states have call predecessors, (21), 9 states have return successors, (23), 8 states have call predecessors, (23), 9 states have call successors, (23) [2021-12-06 23:29:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:29:27,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 23:29:27,715 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:29:27,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:29:27,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:29:27,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 23:29:31,166 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 140 146) no Hoare annotation was computed. [2021-12-06 23:29:31,167 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 140 146) the Hoare annotation is: true [2021-12-06 23:29:31,167 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 900 911) the Hoare annotation is: true [2021-12-06 23:29:31,167 INFO L858 garLoopResultBuilder]: For program point L904-1(lines 900 911) no Hoare annotation was computed. [2021-12-06 23:29:31,167 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 900 911) no Hoare annotation was computed. [2021-12-06 23:29:31,167 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 727 756) no Hoare annotation was computed. [2021-12-06 23:29:31,167 INFO L861 garLoopResultBuilder]: At program point L737-2(lines 737 751) the Hoare annotation is: true [2021-12-06 23:29:31,167 INFO L861 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: true [2021-12-06 23:29:31,167 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 727 756) the Hoare annotation is: true [2021-12-06 23:29:31,167 INFO L858 garLoopResultBuilder]: For program point L733-1(line 733) no Hoare annotation was computed. [2021-12-06 23:29:31,167 INFO L861 garLoopResultBuilder]: At program point L752(lines 727 756) the Hoare annotation is: true [2021-12-06 23:29:31,167 INFO L858 garLoopResultBuilder]: For program point L748(line 748) no Hoare annotation was computed. [2021-12-06 23:29:31,167 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-12-06 23:29:31,167 INFO L861 garLoopResultBuilder]: At program point L741-1(lines 741 745) the Hoare annotation is: true [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 258) no Hoare annotation was computed. [2021-12-06 23:29:31,168 INFO L854 garLoopResultBuilder]: At program point L93(lines 88 95) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse0 .cse2))) [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point L254-2(lines 254 258) no Hoare annotation was computed. [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-12-06 23:29:31,168 INFO L854 garLoopResultBuilder]: At program point L841(lines 834 843) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse6 (<= 1 ~switchedOnBeforeTS~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5 .cse3) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0)))))) [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 113 139) no Hoare annotation was computed. [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 127 133) no Hoare annotation was computed. [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 164) no Hoare annotation was computed. [2021-12-06 23:29:31,168 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 169) no Hoare annotation was computed. [2021-12-06 23:29:31,169 INFO L854 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse3 .cse4 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse6)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 (= ~waterLevel~0 1) .cse6) .cse7) (or .cse8 .cse0 .cse1 .cse9 (and .cse3 .cse4 .cse5 .cse10 .cse6) .cse11) (or .cse12 .cse0 .cse2 .cse7) (or .cse8 .cse12 .cse0 (and (= |timeShift_processEnvironment_~tmp~0#1| 0) .cse13 .cse4 .cse5 .cse10)) (or .cse8 .cse12 (and .cse13 .cse4 .cse5 .cse10) .cse14) (or .cse12 .cse2 .cse7 .cse14) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse9 .cse11)))) [2021-12-06 23:29:31,169 INFO L854 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse12 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse11 (= |timeShift_processEnvironment_~tmp~0#1| 0)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse1 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse6 (and .cse13 .cse12 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse14)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse6 (not (= |old(~waterLevel~0)| 1)) .cse7 .cse8 .cse9) (or .cse10 .cse3 (and .cse11 .cse0 .cse12 .cse2) .cse7) (or .cse3 .cse7 (and .cse11 .cse0 .cse1 .cse2) .cse4 (and .cse13 .cse1 .cse2)) (or .cse6 .cse7 .cse8 (and .cse13 .cse12 .cse2 .cse14) .cse15 .cse9) (or .cse10 .cse3 (and .cse0 .cse12 .cse2) .cse5) (or .cse7 .cse8 (not (< 1 |old(~waterLevel~0)|)) .cse15 (and .cse13 .cse12 (= ~waterLevel~0 1) .cse14))))) [2021-12-06 23:29:31,169 INFO L858 garLoopResultBuilder]: For program point L854-1(line 854) no Hoare annotation was computed. [2021-12-06 23:29:31,169 INFO L854 garLoopResultBuilder]: At program point L260(lines 245 263) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2) (or .cse1 .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 (not (= 0 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 0) (not (= |timeShift_isHighWaterLevel_~tmp~1#1| 0)))) (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 2))))) [2021-12-06 23:29:31,169 INFO L854 garLoopResultBuilder]: At program point L962(lines 953 966) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 (and .cse4 (not (= |timeShift_isHighWaterSensorDry_#res#1| 0)) .cse5) .cse0 (and .cse4 (= 2 ~waterLevel~0) .cse5) .cse2)) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2021-12-06 23:29:31,169 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 126) no Hoare annotation was computed. [2021-12-06 23:29:31,169 INFO L858 garLoopResultBuilder]: For program point L120-2(lines 116 138) no Hoare annotation was computed. [2021-12-06 23:29:31,169 INFO L854 garLoopResultBuilder]: At program point L178(lines 173 180) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 .cse2 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2021-12-06 23:29:31,169 INFO L858 garLoopResultBuilder]: For program point L880(lines 880 884) no Hoare annotation was computed. [2021-12-06 23:29:31,170 INFO L854 garLoopResultBuilder]: At program point L880-2(lines 876 887) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse6 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse7)) (.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse8)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse4 .cse0 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse2 .cse3) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2021-12-06 23:29:31,170 INFO L854 garLoopResultBuilder]: At program point L839(line 839) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 (and .cse5 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0)))))) [2021-12-06 23:29:31,170 INFO L858 garLoopResultBuilder]: For program point L839-1(line 839) no Hoare annotation was computed. [2021-12-06 23:29:31,170 INFO L854 garLoopResultBuilder]: At program point L162(line 162) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 .cse2 (not (= 0 ~systemActive~0))) (or .cse3 .cse0 .cse2 (and (= |timeShift_processEnvironment_~tmp~0#1| 0) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))))) [2021-12-06 23:29:31,170 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-06 23:29:31,170 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 866) no Hoare annotation was computed. [2021-12-06 23:29:31,170 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 869) no Hoare annotation was computed. [2021-12-06 23:29:31,170 INFO L854 garLoopResultBuilder]: At program point L852-1(lines 844 872) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (not (< 1 |old(~waterLevel~0)|))) (.cse15 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse3 .cse4 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse6)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 (= ~waterLevel~0 1) .cse6) .cse7) (or .cse8 .cse0 .cse1 .cse9 (and .cse3 .cse4 .cse5 .cse10 .cse6) .cse11) (or .cse12 .cse2 .cse7 .cse13 (and .cse14 .cse15 .cse5 .cse10)) (or .cse12 .cse0 (and (= |timeShift_processEnvironment_~tmp~0#1| 0) .cse14 .cse4 .cse5 .cse10) (and .cse3 .cse15 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| 2) .cse5 .cse10) .cse7) (or .cse8 .cse12 (and .cse14 .cse4 .cse5 .cse10) .cse13) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse9 .cse11)))) [2021-12-06 23:29:31,170 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 113 139) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (and (= ~pumpRunning~0 0) .cse6 .cse7)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 (and .cse5 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0)))))) [2021-12-06 23:29:31,170 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 113 139) no Hoare annotation was computed. [2021-12-06 23:29:31,170 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-12-06 23:29:31,171 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse8 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse6 (<= ~waterLevel~0 1) .cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse7)) (.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse8)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse4 .cse0 .cse5) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse2 .cse3) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2021-12-06 23:29:31,171 INFO L854 garLoopResultBuilder]: At program point L167-1(lines 148 172) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse9 (= 1 ~systemActive~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (and .cse6 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse8)) (.cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse9)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse4 .cse0 .cse5 (and .cse6 (= 2 ~waterLevel~0) .cse7) (and (= |timeShift_processEnvironment_~tmp~0#1| 0) (= ~pumpRunning~0 0) .cse7)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse6 .cse7 .cse8) .cse2 .cse3) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2021-12-06 23:29:31,171 INFO L854 garLoopResultBuilder]: At program point L717(lines 666 718) the Hoare annotation is: false [2021-12-06 23:29:31,171 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2021-12-06 23:29:31,171 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 23:29:31,171 INFO L854 garLoopResultBuilder]: At program point L705-2(lines 697 712) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-06 23:29:31,171 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 23:29:31,171 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 23:29:31,171 INFO L858 garLoopResultBuilder]: For program point L668(lines 667 716) no Hoare annotation was computed. [2021-12-06 23:29:31,171 INFO L854 garLoopResultBuilder]: At program point L284(lines 279 286) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-06 23:29:31,171 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 712) no Hoare annotation was computed. [2021-12-06 23:29:31,171 INFO L854 garLoopResultBuilder]: At program point L276(lines 264 278) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2021-12-06 23:29:31,171 INFO L854 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-06 23:29:31,171 INFO L858 garLoopResultBuilder]: For program point L268(lines 268 274) no Hoare annotation was computed. [2021-12-06 23:29:31,172 INFO L858 garLoopResultBuilder]: For program point L268-2(lines 268 274) no Hoare annotation was computed. [2021-12-06 23:29:31,172 INFO L854 garLoopResultBuilder]: At program point L714(lines 667 716) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse2) (and .cse4 .cse1 .cse6 .cse2) (and .cse0 .cse5 .cse6 .cse2))) [2021-12-06 23:29:31,172 INFO L858 garLoopResultBuilder]: For program point L677(lines 677 683) no Hoare annotation was computed. [2021-12-06 23:29:31,172 INFO L858 garLoopResultBuilder]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2021-12-06 23:29:31,172 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 23:29:31,172 INFO L858 garLoopResultBuilder]: For program point L669(lines 669 673) no Hoare annotation was computed. [2021-12-06 23:29:31,172 INFO L861 garLoopResultBuilder]: At program point L797(lines 789 799) the Hoare annotation is: true [2021-12-06 23:29:31,172 INFO L854 garLoopResultBuilder]: At program point L186(lines 181 188) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (not (= ~switchedOnBeforeTS~0 0)) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2021-12-06 23:29:31,172 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:29:31,172 INFO L854 garLoopResultBuilder]: At program point L785(lines 781 787) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:29:31,172 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:29:31,172 INFO L858 garLoopResultBuilder]: For program point L810(lines 810 817) no Hoare annotation was computed. [2021-12-06 23:29:31,172 INFO L858 garLoopResultBuilder]: For program point L810-2(lines 810 817) no Hoare annotation was computed. [2021-12-06 23:29:31,172 INFO L854 garLoopResultBuilder]: At program point L831(lines 826 833) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:29:31,172 INFO L861 garLoopResultBuilder]: At program point L819(lines 800 822) the Hoare annotation is: true [2021-12-06 23:29:31,173 INFO L861 garLoopResultBuilder]: At program point L720(lines 657 724) the Hoare annotation is: true [2021-12-06 23:29:31,173 INFO L858 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2021-12-06 23:29:31,173 INFO L858 garLoopResultBuilder]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2021-12-06 23:29:31,173 INFO L854 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse2) (and .cse4 .cse1 .cse6 .cse2) (and .cse0 .cse5 .cse6 .cse2))) [2021-12-06 23:29:31,173 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:29:31,173 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 888 899) no Hoare annotation was computed. [2021-12-06 23:29:31,173 INFO L858 garLoopResultBuilder]: For program point L892-1(lines 888 899) no Hoare annotation was computed. [2021-12-06 23:29:31,173 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 888 899) the Hoare annotation is: (let ((.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse1 .cse6 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse1 .cse4 .cse2 (not (<= |old(~waterLevel~0)| 2))))) [2021-12-06 23:29:31,173 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 200 208) no Hoare annotation was computed. [2021-12-06 23:29:31,173 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 200 208) the Hoare annotation is: true [2021-12-06 23:29:31,173 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 200 208) no Hoare annotation was computed. [2021-12-06 23:29:31,175 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:29:31,176 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:29:31,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:29:31 BoogieIcfgContainer [2021-12-06 23:29:31,207 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:29:31,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:29:31,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:29:31,208 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:29:31,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:29:23" (3/4) ... [2021-12-06 23:29:31,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 23:29:31,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 23:29:31,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 23:29:31,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 23:29:31,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 23:29:31,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 23:29:31,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-06 23:29:31,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2021-12-06 23:29:31,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 23:29:31,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 23:29:31,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 23:29:31,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 23:29:31,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:29:31,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:29:31,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2021-12-06 23:29:31,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2021-12-06 23:29:31,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (((pumpRunning == 0 && 2 == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((tmp == 0 && pumpRunning == 0) && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((((1 <= pumpRunning && 2 == \result) && tmp == 2) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 23:29:31,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || ((tmp == 0 && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2021-12-06 23:29:31,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2021-12-06 23:29:31,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) && ((((((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((tmp == 0 && pumpRunning == 0) && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((tmp == 0 && pumpRunning == 0) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel))) && (((((((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((1 <= pumpRunning && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2021-12-06 23:29:31,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) [2021-12-06 23:29:31,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((tmp___0 == 0 && \result == 0) && !(tmp == 0)))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) [2021-12-06 23:29:31,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) [2021-12-06 23:29:31,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:29:31,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:29:31,261 INFO L158 Benchmark]: Toolchain (without parser) took 8622.81ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 65.8MB in the beginning and 78.8MB in the end (delta: -13.0MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2021-12-06 23:29:31,261 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:29:31,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.33ms. Allocated memory is still 102.8MB. Free memory was 65.6MB in the beginning and 70.1MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 23:29:31,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.68ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 23:29:31,262 INFO L158 Benchmark]: Boogie Preprocessor took 20.22ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 66.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:29:31,263 INFO L158 Benchmark]: RCFGBuilder took 321.10ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 50.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 23:29:31,263 INFO L158 Benchmark]: TraceAbstraction took 7881.60ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 50.0MB in the beginning and 85.1MB in the end (delta: -35.1MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2021-12-06 23:29:31,263 INFO L158 Benchmark]: Witness Printer took 53.25ms. Allocated memory is still 148.9MB. Free memory was 85.1MB in the beginning and 78.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 23:29:31,265 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 102.8MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.33ms. Allocated memory is still 102.8MB. Free memory was 65.6MB in the beginning and 70.1MB in the end (delta: -4.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.68ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.22ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 66.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.10ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 50.4MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7881.60ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 50.0MB in the beginning and 85.1MB in the end (delta: -35.1MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * Witness Printer took 53.25ms. Allocated memory is still 148.9MB. Free memory was 85.1MB in the beginning and 78.8MB 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: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1719 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1688 mSDsluCounter, 4963 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3693 mSDsCounter, 464 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1865 IncrementalHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 464 mSolverCounterUnsat, 1270 mSDtfsCounter, 1865 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 743 GetRequests, 615 SyntacticMatches, 4 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=771occurred in iteration=8, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 272 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 1570 PreInvPairs, 1815 NumberOfFragments, 2328 HoareAnnotationTreeSize, 1570 FomulaSimplifications, 7916 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 39 FomulaSimplificationsInter, 18976 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 939 NumberOfCodeBlocks, 939 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1185 ConstructedInterpolants, 0 QuantifiedInterpolants, 2558 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1144 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 860/961 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: 789]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) && ((((((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((tmp == 0 && pumpRunning == 0) && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((tmp == 0 && pumpRunning == 0) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel))) && (((((((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((1 <= pumpRunning && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((tmp___0 == 0 && \result == 0) && !(tmp == 0)))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || ((tmp == 0 && pumpRunning == 0) && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && 0 == systemActive)) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((1 <= pumpRunning && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) || (((pumpRunning == 0 && 2 == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((tmp == 0 && pumpRunning == 0) && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((((1 <= pumpRunning && 2 == \result) && tmp == 2) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: ((((!(switchedOnBeforeTS == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) RESULT: Ultimate proved your program to be correct! [2021-12-06 23:29:31,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd840e7-5dc3-45af-85a1-c8772aebbff2/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE