./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF --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 a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:12:16,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:12:16,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:12:16,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:12:16,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:12:16,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:12:16,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:12:16,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:12:16,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:12:16,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:12:16,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:12:16,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:12:16,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:12:16,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:12:16,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:12:16,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:12:16,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:12:16,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:12:16,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:12:16,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:12:16,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:12:16,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:12:16,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:12:16,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:12:16,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:12:16,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:12:16,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:12:16,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:12:16,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:12:16,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:12:16,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:12:16,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:12:16,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:12:16,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:12:16,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:12:16,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:12:16,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:12:16,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:12:16,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:12:16,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:12:16,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:12:16,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:12:16,184 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:12:16,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:12:16,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:12:16,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:12:16,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:12:16,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:12:16,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:12:16,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:12:16,188 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:12:16,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:12:16,189 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:12:16,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:12:16,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:12:16,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:12:16,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:12:16,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:12:16,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:12:16,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:12:16,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:12:16,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:12:16,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:12:16,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:12:16,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:12:16,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:12:16,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:12:16,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:12:16,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:12:16,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:12:16,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:12:16,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:12:16,195 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:12:16,195 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:12:16,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:12:16,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:12:16,196 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_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02362aeafc2e43a1be9ec43f97ab5a222e55f9c6ade6d7cf376000405834eaa [2021-11-20 07:12:16,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:12:16,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:12:16,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:12:16,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:12:16,554 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:12:16,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2021-11-20 07:12:16,629 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/data/9090223c5/92900b5e10814c9d87c380106bd693c2/FLAG05142d175 [2021-11-20 07:12:17,181 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:12:17,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2021-11-20 07:12:17,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/data/9090223c5/92900b5e10814c9d87c380106bd693c2/FLAG05142d175 [2021-11-20 07:12:17,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/data/9090223c5/92900b5e10814c9d87c380106bd693c2 [2021-11-20 07:12:17,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:12:17,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:12:17,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:12:17,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:12:17,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:12:17,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:12:17" (1/1) ... [2021-11-20 07:12:17,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157548a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:17, skipping insertion in model container [2021-11-20 07:12:17,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:12:17" (1/1) ... [2021-11-20 07:12:17,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:12:17,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:12:17,770 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_502584a9-2451-4183-9fb4-4cb549054afe/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c[2807,2820] [2021-11-20 07:12:17,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:12:17,880 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:12:17,902 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_502584a9-2451-4183-9fb4-4cb549054afe/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c[2807,2820] [2021-11-20 07:12:17,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:12:18,000 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:12:18,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18 WrapperNode [2021-11-20 07:12:18,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:12:18,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:12:18,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:12:18,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:12:18,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,073 INFO L137 Inliner]: procedures = 53, calls = 151, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 198 [2021-11-20 07:12:18,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:12:18,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:12:18,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:12:18,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:12:18,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:12:18,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:12:18,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:12:18,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:12:18,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:12:18,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:12:18,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:12:18,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:12:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:12:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 07:12:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 07:12:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 07:12:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 07:12:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 07:12:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 07:12:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-20 07:12:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-20 07:12:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:12:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 07:12:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 07:12:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:12:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:12:18,280 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:12:18,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:12:18,628 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:12:18,636 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:12:18,636 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:12:18,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:18 BoogieIcfgContainer [2021-11-20 07:12:18,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:12:18,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:12:18,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:12:18,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:12:18,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:12:17" (1/3) ... [2021-11-20 07:12:18,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67943199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:12:18, skipping insertion in model container [2021-11-20 07:12:18,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (2/3) ... [2021-11-20 07:12:18,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67943199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:12:18, skipping insertion in model container [2021-11-20 07:12:18,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:18" (3/3) ... [2021-11-20 07:12:18,647 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2021-11-20 07:12:18,653 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:12:18,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:12:18,707 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:12:18,713 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 [2021-11-20 07:12:18,714 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:12:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 57 states have (on average 1.368421052631579) internal successors, (78), 61 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 07:12:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 07:12:18,740 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:12:18,741 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] [2021-11-20 07:12:18,741 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:12:18,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:18,746 INFO L85 PathProgramCache]: Analyzing trace with hash -515124903, now seen corresponding path program 1 times [2021-11-20 07:12:18,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:12:18,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083270250] [2021-11-20 07:12:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:12:18,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:12:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:12:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:12:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 07:12:18,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:12:18,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083270250] [2021-11-20 07:12:18,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083270250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:12:19,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:12:19,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:12:19,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586919597] [2021-11-20 07:12:19,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:12:19,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:12:19,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:12:19,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:12:19,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:12:19,062 INFO L87 Difference]: Start difference. First operand has 72 states, 57 states have (on average 1.368421052631579) internal successors, (78), 61 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) 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) [2021-11-20 07:12:19,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:12:19,097 INFO L93 Difference]: Finished difference Result 135 states and 182 transitions. [2021-11-20 07:12:19,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:12:19,099 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 [2021-11-20 07:12:19,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:12:19,108 INFO L225 Difference]: With dead ends: 135 [2021-11-20 07:12:19,108 INFO L226 Difference]: Without dead ends: 63 [2021-11-20 07:12:19,112 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 [2021-11-20 07:12:19,116 INFO L933 BasicCegarLoop]: 88 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, 88 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 [2021-11-20 07:12:19,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:12:19,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-11-20 07:12:19,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-11-20 07:12:19,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.28) internal successors, (64), 53 states have internal predecessors, (64), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-20 07:12:19,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2021-11-20 07:12:19,181 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 32 [2021-11-20 07:12:19,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:12:19,181 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-11-20 07:12:19,182 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) [2021-11-20 07:12:19,182 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2021-11-20 07:12:19,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-20 07:12:19,194 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:12:19,195 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] [2021-11-20 07:12:19,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:12:19,195 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:12:19,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:19,196 INFO L85 PathProgramCache]: Analyzing trace with hash -948437565, now seen corresponding path program 1 times [2021-11-20 07:12:19,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:12:19,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701805362] [2021-11-20 07:12:19,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:12:19,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:12:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:12:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 07:12:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 07:12:19,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:12:19,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701805362] [2021-11-20 07:12:19,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701805362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:12:19,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:12:19,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:12:19,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764480376] [2021-11-20 07:12:19,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:12:19,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:12:19,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:12:19,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:12:19,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:12:19,403 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:12:19,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:12:19,457 INFO L93 Difference]: Finished difference Result 172 states and 223 transitions. [2021-11-20 07:12:19,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:12:19,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-11-20 07:12:19,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:12:19,470 INFO L225 Difference]: With dead ends: 172 [2021-11-20 07:12:19,470 INFO L226 Difference]: Without dead ends: 117 [2021-11-20 07:12:19,475 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 [2021-11-20 07:12:19,477 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 54 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:12:19,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 153 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:12:19,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-11-20 07:12:19,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 112. [2021-11-20 07:12:19,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 87 states have (on average 1.2988505747126438) internal successors, (113), 92 states have internal predecessors, (113), 16 states have call successors, (16), 10 states have call predecessors, (16), 8 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-20 07:12:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 143 transitions. [2021-11-20 07:12:19,525 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 143 transitions. Word has length 37 [2021-11-20 07:12:19,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:12:19,525 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 143 transitions. [2021-11-20 07:12:19,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:12:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 143 transitions. [2021-11-20 07:12:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 07:12:19,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:12:19,528 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] [2021-11-20 07:12:19,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:12:19,529 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:12:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:19,530 INFO L85 PathProgramCache]: Analyzing trace with hash 305333826, now seen corresponding path program 1 times [2021-11-20 07:12:19,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:12:19,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960440813] [2021-11-20 07:12:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:12:19,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:12:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:12:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 07:12:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 07:12:19,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:12:19,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960440813] [2021-11-20 07:12:19,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960440813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:12:19,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:12:19,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:12:19,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910971978] [2021-11-20 07:12:19,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:12:19,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:12:19,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:12:19,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:12:19,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:12:19,593 INFO L87 Difference]: Start difference. First operand 112 states and 143 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-20 07:12:19,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:12:19,613 INFO L93 Difference]: Finished difference Result 158 states and 199 transitions. [2021-11-20 07:12:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:12:19,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 34 [2021-11-20 07:12:19,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:12:19,617 INFO L225 Difference]: With dead ends: 158 [2021-11-20 07:12:19,617 INFO L226 Difference]: Without dead ends: 94 [2021-11-20 07:12:19,619 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 [2021-11-20 07:12:19,625 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 17 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 111 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 [2021-11-20 07:12:19,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:12:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-20 07:12:19,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-11-20 07:12:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.32) internal successors, (99), 80 states have internal predecessors, (99), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-20 07:12:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 119 transitions. [2021-11-20 07:12:19,646 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 119 transitions. Word has length 34 [2021-11-20 07:12:19,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:12:19,647 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 119 transitions. [2021-11-20 07:12:19,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-11-20 07:12:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 119 transitions. [2021-11-20 07:12:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-20 07:12:19,649 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:12:19,649 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] [2021-11-20 07:12:19,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:12:19,649 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:12:19,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:19,650 INFO L85 PathProgramCache]: Analyzing trace with hash -739007729, now seen corresponding path program 1 times [2021-11-20 07:12:19,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:12:19,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399698137] [2021-11-20 07:12:19,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:12:19,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:12:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:12:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-20 07:12:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:12:19,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:12:19,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399698137] [2021-11-20 07:12:19,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399698137] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:12:19,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:12:19,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:12:19,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359369606] [2021-11-20 07:12:19,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:12:19,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:12:19,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:12:19,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:12:19,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:12:19,756 INFO L87 Difference]: Start difference. First operand 94 states and 119 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-11-20 07:12:19,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:12:19,897 INFO L93 Difference]: Finished difference Result 177 states and 226 transitions. [2021-11-20 07:12:19,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:12:19,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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 38 [2021-11-20 07:12:19,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:12:19,899 INFO L225 Difference]: With dead ends: 177 [2021-11-20 07:12:19,899 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:12:19,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:12:19,901 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 31 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:12:19,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 202 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:12:19,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:12:19,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:12:19,903 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) [2021-11-20 07:12:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:12:19,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-11-20 07:12:19,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:12:19,904 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:12:19,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-11-20 07:12:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:12:19,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:12:19,907 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:12:19,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:12:19,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:12:20,166 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2021-11-20 07:12:20,166 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2021-11-20 07:12:20,166 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2021-11-20 07:12:20,167 INFO L861 garLoopResultBuilder]: At program point L882(lines 875 884) the Hoare annotation is: true [2021-11-20 07:12:20,167 INFO L858 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2021-11-20 07:12:20,167 INFO L858 garLoopResultBuilder]: For program point L300-2(lines 296 318) no Hoare annotation was computed. [2021-11-20 07:12:20,167 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 293 319) no Hoare annotation was computed. [2021-11-20 07:12:20,168 INFO L861 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: true [2021-11-20 07:12:20,168 INFO L861 garLoopResultBuilder]: At program point L895(line 895) the Hoare annotation is: true [2021-11-20 07:12:20,168 INFO L858 garLoopResultBuilder]: For program point L895-1(line 895) no Hoare annotation was computed. [2021-11-20 07:12:20,168 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-20 07:12:20,170 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-11-20 07:12:20,171 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-11-20 07:12:20,171 INFO L861 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2021-11-20 07:12:20,171 INFO L858 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2021-11-20 07:12:20,171 INFO L854 garLoopResultBuilder]: At program point L141(lines 136 143) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-11-20 07:12:20,171 INFO L858 garLoopResultBuilder]: For program point L897(lines 897 907) no Hoare annotation was computed. [2021-11-20 07:12:20,171 INFO L858 garLoopResultBuilder]: For program point L893(lines 893 910) no Hoare annotation was computed. [2021-11-20 07:12:20,172 INFO L861 garLoopResultBuilder]: At program point L893-1(lines 885 913) the Hoare annotation is: true [2021-11-20 07:12:20,172 INFO L858 garLoopResultBuilder]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2021-11-20 07:12:20,172 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 293 319) the Hoare annotation is: true [2021-11-20 07:12:20,172 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 293 319) no Hoare annotation was computed. [2021-11-20 07:12:20,172 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2021-11-20 07:12:20,172 INFO L861 garLoopResultBuilder]: At program point L324(lines 320 326) the Hoare annotation is: true [2021-11-20 07:12:20,173 INFO L858 garLoopResultBuilder]: For program point L898(lines 898 904) no Hoare annotation was computed. [2021-11-20 07:12:20,173 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 165) no Hoare annotation was computed. [2021-11-20 07:12:20,173 INFO L861 garLoopResultBuilder]: At program point L161-1(lines 161 165) the Hoare annotation is: true [2021-11-20 07:12:20,173 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 147 176) no Hoare annotation was computed. [2021-11-20 07:12:20,173 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-20 07:12:20,173 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 147 176) the Hoare annotation is: true [2021-11-20 07:12:20,174 INFO L861 garLoopResultBuilder]: At program point L157-2(lines 157 171) the Hoare annotation is: true [2021-11-20 07:12:20,174 INFO L861 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: true [2021-11-20 07:12:20,174 INFO L858 garLoopResultBuilder]: For program point L153-1(line 153) no Hoare annotation was computed. [2021-11-20 07:12:20,174 INFO L861 garLoopResultBuilder]: At program point L172(lines 147 176) the Hoare annotation is: true [2021-11-20 07:12:20,174 INFO L858 garLoopResultBuilder]: For program point L168(line 168) no Hoare annotation was computed. [2021-11-20 07:12:20,174 INFO L858 garLoopResultBuilder]: For program point L444(lines 443 490) no Hoare annotation was computed. [2021-11-20 07:12:20,175 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 486) no Hoare annotation was computed. [2021-11-20 07:12:20,175 INFO L854 garLoopResultBuilder]: At program point L279(lines 274 282) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 07:12:20,175 INFO L854 garLoopResultBuilder]: At program point L465(line 465) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:12:20,175 INFO L854 garLoopResultBuilder]: At program point L271(lines 267 273) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 07:12:20,175 INFO L861 garLoopResultBuilder]: At program point L494(lines 433 498) the Hoare annotation is: true [2021-11-20 07:12:20,176 INFO L854 garLoopResultBuilder]: At program point L358(lines 353 360) the Hoare annotation is: false [2021-11-20 07:12:20,176 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 459) no Hoare annotation was computed. [2021-11-20 07:12:20,176 INFO L858 garLoopResultBuilder]: For program point L453-1(lines 453 459) no Hoare annotation was computed. [2021-11-20 07:12:20,176 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:12:20,176 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:12:20,176 INFO L858 garLoopResultBuilder]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-11-20 07:12:20,177 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:12:20,177 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 208) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 07:12:20,177 INFO L854 garLoopResultBuilder]: At program point L429(lines 417 431) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:12:20,177 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 242) no Hoare annotation was computed. [2021-11-20 07:12:20,177 INFO L854 garLoopResultBuilder]: At program point L491(lines 442 492) the Hoare annotation is: false [2021-11-20 07:12:20,178 INFO L858 garLoopResultBuilder]: For program point L235-2(lines 235 242) no Hoare annotation was computed. [2021-11-20 07:12:20,178 INFO L854 garLoopResultBuilder]: At program point L264(lines 260 266) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 07:12:20,178 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2021-11-20 07:12:20,178 INFO L858 garLoopResultBuilder]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2021-11-20 07:12:20,178 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:12:20,178 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2021-11-20 07:12:20,179 INFO L854 garLoopResultBuilder]: At program point L479-2(lines 473 486) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:12:20,179 INFO L861 garLoopResultBuilder]: At program point L219(lines 211 221) the Hoare annotation is: true [2021-11-20 07:12:20,179 INFO L861 garLoopResultBuilder]: At program point L244(lines 225 247) the Hoare annotation is: true [2021-11-20 07:12:20,179 INFO L858 garLoopResultBuilder]: For program point L463(lines 463 469) no Hoare annotation was computed. [2021-11-20 07:12:20,179 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 463 469) no Hoare annotation was computed. [2021-11-20 07:12:20,179 INFO L854 garLoopResultBuilder]: At program point L872(lines 867 874) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-11-20 07:12:20,180 INFO L854 garLoopResultBuilder]: At program point L488(lines 443 490) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:12:20,180 INFO L854 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:12:20,180 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2021-11-20 07:12:20,180 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2021-11-20 07:12:20,180 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2021-11-20 07:12:20,180 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 372 380) no Hoare annotation was computed. [2021-11-20 07:12:20,181 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 372 380) the Hoare annotation is: true [2021-11-20 07:12:20,181 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 372 380) no Hoare annotation was computed. [2021-11-20 07:12:20,191 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 07:12:20,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:12:20,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:12:20 BoogieIcfgContainer [2021-11-20 07:12:20,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:12:20,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:12:20,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:12:20,225 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:12:20,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:18" (3/4) ... [2021-11-20 07:12:20,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:12:20,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 07:12:20,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 07:12:20,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 07:12:20,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 07:12:20,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-20 07:12:20,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-11-20 07:12:20,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 07:12:20,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 07:12:20,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 07:12:20,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:12:20,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:12:20,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:12:20,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:12:20,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:12:20,327 INFO L158 Benchmark]: Toolchain (without parser) took 2847.03ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 63.1MB in the beginning and 93.7MB in the end (delta: -30.6MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2021-11-20 07:12:20,327 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:12:20,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.49ms. Allocated memory is still 102.8MB. Free memory was 62.9MB in the beginning and 69.2MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:12:20,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.50ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 67.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:12:20,328 INFO L158 Benchmark]: Boogie Preprocessor took 54.98ms. Allocated memory is still 102.8MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:12:20,328 INFO L158 Benchmark]: RCFGBuilder took 508.21ms. Allocated memory is still 102.8MB. Free memory was 65.2MB in the beginning and 50.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 07:12:20,329 INFO L158 Benchmark]: TraceAbstraction took 1583.57ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 44.5MB in the end (delta: 6.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-11-20 07:12:20,329 INFO L158 Benchmark]: Witness Printer took 100.23ms. Allocated memory is still 123.7MB. Free memory was 44.2MB in the beginning and 93.7MB in the end (delta: -49.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:12:20,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.49ms. Allocated memory is still 102.8MB. Free memory was 62.9MB in the beginning and 69.2MB in the end (delta: -6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.50ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 67.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.98ms. Allocated memory is still 102.8MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.21ms. Allocated memory is still 102.8MB. Free memory was 65.2MB in the beginning and 50.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1583.57ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 44.5MB in the end (delta: 6.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 100.23ms. Allocated memory is still 123.7MB. Free memory was 44.2MB in the beginning and 93.7MB in the end (delta: -49.5MB). Peak memory consumption was 2.1MB. 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: 140]: 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 6 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 554 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 260 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 294 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=2, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 189 PreInvPairs, 214 NumberOfFragments, 98 HoareAnnotationTreeSize, 189 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 314 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 137 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2021-11-20 07:12:20,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_502584a9-2451-4183-9fb4-4cb549054afe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE