./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:09:24,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:09:24,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:09:24,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:09:24,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:09:24,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:09:24,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:09:24,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:09:24,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:09:24,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:09:24,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:09:24,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:09:24,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:09:24,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:09:24,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:09:24,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:09:24,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:09:24,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:09:24,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:09:24,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:09:24,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:09:24,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:09:24,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:09:24,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:09:24,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:09:24,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:09:24,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:09:24,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:09:24,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:09:24,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:09:24,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:09:24,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:09:24,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:09:24,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:09:24,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:09:24,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:09:24,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:09:24,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:09:24,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:09:24,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:09:24,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:09:24,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:09:24,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:09:24,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:09:24,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:09:24,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:09:24,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:09:24,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:09:24,216 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:09:24,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:09:24,217 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:09:24,218 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:09:24,218 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:09:24,219 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:09:24,219 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:09:24,220 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:09:24,220 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:09:24,221 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:09:24,221 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:09:24,222 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:09:24,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:09:24,223 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:09:24,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:09:24,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:09:24,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:09:24,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:09:24,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:09:24,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:09:24,226 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:09:24,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:09:24,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:09:24,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:09:24,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:09:24,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:09:24,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:09:24,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:09:24,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:09:24,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:09:24,229 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:09:24,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:09:24,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:09:24,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:09:24,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:09:24,230 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c8f25e27804cc0facc00502a1bb0df9a338e5f80036ad1c7359da3173e08507 [2021-11-23 03:09:24,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:09:24,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:09:24,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:09:24,667 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:09:24,672 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:09:24,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2021-11-23 03:09:24,780 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/data/0e36d3587/5e99ff854a7145c490989dea77508147/FLAG83b65726c [2021-11-23 03:09:25,531 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:09:25,532 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2021-11-23 03:09:25,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/data/0e36d3587/5e99ff854a7145c490989dea77508147/FLAG83b65726c [2021-11-23 03:09:25,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/data/0e36d3587/5e99ff854a7145c490989dea77508147 [2021-11-23 03:09:25,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:09:25,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:09:25,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:09:25,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:09:25,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:09:25,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:25" (1/1) ... [2021-11-23 03:09:25,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435e2f2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:25, skipping insertion in model container [2021-11-23 03:09:25,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:09:25" (1/1) ... [2021-11-23 03:09:25,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:09:25,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:09:26,166 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_de10c892-1df3-480f-b70a-6d7a6a61267e/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c[4965,4978] [2021-11-23 03:09:26,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:09:26,300 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:09:26,359 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_de10c892-1df3-480f-b70a-6d7a6a61267e/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c[4965,4978] [2021-11-23 03:09:26,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:09:26,497 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:09:26,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26 WrapperNode [2021-11-23 03:09:26,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:09:26,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:09:26,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:09:26,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:09:26,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,597 INFO L137 Inliner]: procedures = 55, calls = 154, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 227 [2021-11-23 03:09:26,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:09:26,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:09:26,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:09:26,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:09:26,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:09:26,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:09:26,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:09:26,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:09:26,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (1/1) ... [2021-11-23 03:09:26,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:09:26,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:09:26,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:09:26,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:09:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 03:09:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 03:09:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 03:09:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 03:09:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 03:09:26,796 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 03:09:26,796 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 03:09:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 03:09:26,797 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 03:09:26,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 03:09:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 03:09:26,798 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 03:09:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:09:26,798 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 03:09:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 03:09:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:09:26,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:09:26,941 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:09:26,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:09:27,321 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:09:27,425 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:09:27,425 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 03:09:27,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:27 BoogieIcfgContainer [2021-11-23 03:09:27,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:09:27,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:09:27,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:09:27,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:09:27,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:09:25" (1/3) ... [2021-11-23 03:09:27,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159ed3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:09:27, skipping insertion in model container [2021-11-23 03:09:27,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:09:26" (2/3) ... [2021-11-23 03:09:27,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159ed3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:09:27, skipping insertion in model container [2021-11-23 03:09:27,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:27" (3/3) ... [2021-11-23 03:09:27,450 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2021-11-23 03:09:27,462 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:09:27,463 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:09:27,551 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:09:27,565 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=FINITE_AUTOMATA, 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 [2021-11-23 03:09:27,566 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:09:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-23 03:09:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 03:09:27,625 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:09:27,626 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:09:27,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:09:27,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:09:27,634 INFO L85 PathProgramCache]: Analyzing trace with hash 945178903, now seen corresponding path program 1 times [2021-11-23 03:09:27,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:09:27,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203282998] [2021-11-23 03:09:27,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:09:27,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:09:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:09:27,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:09:27,965 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:09:27,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203282998] [2021-11-23 03:09:27,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203282998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:09:27,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:09:27,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 03:09:27,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888552317] [2021-11-23 03:09:27,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:09:27,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:09:27,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:09:28,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:09:28,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:09:28,026 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-11-23 03:09:28,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:09:28,129 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2021-11-23 03:09:28,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:09:28,132 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 21 [2021-11-23 03:09:28,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:09:28,144 INFO L225 Difference]: With dead ends: 116 [2021-11-23 03:09:28,144 INFO L226 Difference]: Without dead ends: 54 [2021-11-23 03:09:28,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:09:28,158 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:09:28,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:09:28,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-23 03:09:28,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-23 03:09:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-23 03:09:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2021-11-23 03:09:28,216 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2021-11-23 03:09:28,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:09:28,217 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2021-11-23 03:09:28,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2021-11-23 03:09:28,218 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2021-11-23 03:09:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 03:09:28,221 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:09:28,221 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:09:28,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:09:28,222 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:09:28,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:09:28,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1906992364, now seen corresponding path program 1 times [2021-11-23 03:09:28,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:09:28,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008753673] [2021-11-23 03:09:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:09:28,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:09:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:09:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:09:28,325 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:09:28,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008753673] [2021-11-23 03:09:28,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008753673] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:09:28,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:09:28,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:09:28,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403560434] [2021-11-23 03:09:28,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:09:28,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:09:28,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:09:28,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:09:28,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:09:28,330 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-23 03:09:28,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:09:28,380 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2021-11-23 03:09:28,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:09:28,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2021-11-23 03:09:28,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:09:28,383 INFO L225 Difference]: With dead ends: 80 [2021-11-23 03:09:28,383 INFO L226 Difference]: Without dead ends: 46 [2021-11-23 03:09:28,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:09:28,386 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:09:28,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 77 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:09:28,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-23 03:09:28,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-23 03:09:28,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-23 03:09:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2021-11-23 03:09:28,400 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2021-11-23 03:09:28,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:09:28,400 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2021-11-23 03:09:28,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-11-23 03:09:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2021-11-23 03:09:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 03:09:28,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:09:28,403 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:09:28,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:09:28,403 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:09:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:09:28,405 INFO L85 PathProgramCache]: Analyzing trace with hash 563919880, now seen corresponding path program 1 times [2021-11-23 03:09:28,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:09:28,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829553313] [2021-11-23 03:09:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:09:28,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:09:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:09:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 03:09:28,570 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:09:28,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829553313] [2021-11-23 03:09:28,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829553313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:09:28,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:09:28,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:09:28,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287102280] [2021-11-23 03:09:28,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:09:28,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:09:28,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:09:28,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:09:28,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:09:28,574 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2021-11-23 03:09:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:09:28,810 INFO L93 Difference]: Finished difference Result 140 states and 187 transitions. [2021-11-23 03:09:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:09:28,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 25 [2021-11-23 03:09:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:09:28,819 INFO L225 Difference]: With dead ends: 140 [2021-11-23 03:09:28,820 INFO L226 Difference]: Without dead ends: 96 [2021-11-23 03:09:28,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:09:28,828 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 71 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:09:28,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 151 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 03:09:28,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-23 03:09:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 79. [2021-11-23 03:09:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 61 states have internal predecessors, (71), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 12 states have call predecessors, (16), 15 states have call successors, (16) [2021-11-23 03:09:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2021-11-23 03:09:28,876 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 25 [2021-11-23 03:09:28,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:09:28,877 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2021-11-23 03:09:28,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2021-11-23 03:09:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2021-11-23 03:09:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 03:09:28,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:09:28,879 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 03:09:28,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:09:28,880 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:09:28,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:09:28,881 INFO L85 PathProgramCache]: Analyzing trace with hash 212330151, now seen corresponding path program 1 times [2021-11-23 03:09:28,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:09:28,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086446915] [2021-11-23 03:09:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:09:28,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:09:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:09:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 03:09:29,075 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:09:29,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086446915] [2021-11-23 03:09:29,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086446915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:09:29,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:09:29,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 03:09:29,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117903309] [2021-11-23 03:09:29,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:09:29,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 03:09:29,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:09:29,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 03:09:29,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 03:09:29,078 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-11-23 03:09:29,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:09:29,241 INFO L93 Difference]: Finished difference Result 147 states and 193 transitions. [2021-11-23 03:09:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 03:09:29,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 28 [2021-11-23 03:09:29,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:09:29,243 INFO L225 Difference]: With dead ends: 147 [2021-11-23 03:09:29,243 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 03:09:29,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-23 03:09:29,258 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:09:29,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 110 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 03:09:29,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 03:09:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 03:09:29,260 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) [2021-11-23 03:09:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 03:09:29,261 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-11-23 03:09:29,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:09:29,261 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 03:09:29,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-11-23 03:09:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 03:09:29,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 03:09:29,265 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 03:09:29,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:09:29,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 03:09:29,625 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 203 210) the Hoare annotation is: true [2021-11-23 03:09:29,626 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 203 210) no Hoare annotation was computed. [2021-11-23 03:09:29,626 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2021-11-23 03:09:29,627 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2021-11-23 03:09:29,627 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 704 715) the Hoare annotation is: true [2021-11-23 03:09:29,627 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 704 715) no Hoare annotation was computed. [2021-11-23 03:09:29,627 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 855 884) no Hoare annotation was computed. [2021-11-23 03:09:29,627 INFO L861 garLoopResultBuilder]: At program point L865-2(lines 865 879) the Hoare annotation is: true [2021-11-23 03:09:29,628 INFO L861 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2021-11-23 03:09:29,628 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 855 884) the Hoare annotation is: true [2021-11-23 03:09:29,628 INFO L858 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2021-11-23 03:09:29,629 INFO L861 garLoopResultBuilder]: At program point L880(lines 855 884) the Hoare annotation is: true [2021-11-23 03:09:29,629 INFO L858 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2021-11-23 03:09:29,629 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2021-11-23 03:09:29,630 INFO L861 garLoopResultBuilder]: At program point L869-1(lines 869 873) the Hoare annotation is: true [2021-11-23 03:09:29,631 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 849) no Hoare annotation was computed. [2021-11-23 03:09:29,632 INFO L854 garLoopResultBuilder]: At program point L832-1(lines 824 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:09:29,632 INFO L854 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 03:09:29,635 INFO L854 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 03:09:29,636 INFO L858 garLoopResultBuilder]: For program point L837(lines 837 843) no Hoare annotation was computed. [2021-11-23 03:09:29,636 INFO L854 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-23 03:09:29,636 INFO L854 garLoopResultBuilder]: At program point L189-1(lines 170 194) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-23 03:09:29,637 INFO L854 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:09:29,637 INFO L858 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2021-11-23 03:09:29,638 INFO L854 garLoopResultBuilder]: At program point L149-1(lines 149 155) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:09:29,638 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2021-11-23 03:09:29,638 INFO L854 garLoopResultBuilder]: At program point L306(line 306) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-23 03:09:29,645 INFO L854 garLoopResultBuilder]: At program point L174(lines 174 191) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-23 03:09:29,645 INFO L854 garLoopResultBuilder]: At program point L819(line 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:09:29,645 INFO L854 garLoopResultBuilder]: At program point L819-1(line 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:09:29,646 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 135 161) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-23 03:09:29,646 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 138 160) no Hoare annotation was computed. [2021-11-23 03:09:29,647 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 135 161) no Hoare annotation was computed. [2021-11-23 03:09:29,647 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 306) no Hoare annotation was computed. [2021-11-23 03:09:29,647 INFO L858 garLoopResultBuilder]: For program point L836(lines 836 846) no Hoare annotation was computed. [2021-11-23 03:09:29,647 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-11-23 03:09:29,648 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2021-11-23 03:09:29,649 INFO L854 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:09:29,649 INFO L854 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:09:29,649 INFO L854 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: false [2021-11-23 03:09:29,649 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-23 03:09:29,650 INFO L854 garLoopResultBuilder]: At program point L937(lines 937 944) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2021-11-23 03:09:29,650 INFO L861 garLoopResultBuilder]: At program point L937-2(lines 937 944) the Hoare annotation is: true [2021-11-23 03:09:29,650 INFO L858 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-11-23 03:09:29,650 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 03:09:29,650 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-11-23 03:09:29,651 INFO L854 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:09:29,651 INFO L861 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2021-11-23 03:09:29,651 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-11-23 03:09:29,651 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2021-11-23 03:09:29,651 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2021-11-23 03:09:29,652 INFO L854 garLoopResultBuilder]: At program point L290-1(lines 290 296) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:09:29,652 INFO L854 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-11-23 03:09:29,652 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 107) no Hoare annotation was computed. [2021-11-23 03:09:29,652 INFO L854 garLoopResultBuilder]: At program point L101-2(lines 95 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 03:09:29,652 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 692 703) no Hoare annotation was computed. [2021-11-23 03:09:29,653 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 692 703) the Hoare annotation is: true [2021-11-23 03:09:29,653 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 222 230) no Hoare annotation was computed. [2021-11-23 03:09:29,653 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 222 230) the Hoare annotation is: true [2021-11-23 03:09:29,658 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-23 03:09:29,663 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:09:29,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:09:29 BoogieIcfgContainer [2021-11-23 03:09:29,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:09:29,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:09:29,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:09:29,683 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:09:29,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:09:27" (3/4) ... [2021-11-23 03:09:29,687 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:09:29,694 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 03:09:29,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 03:09:29,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 03:09:29,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 03:09:29,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 03:09:29,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 03:09:29,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-23 03:09:29,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-11-23 03:09:29,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 03:09:29,714 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 03:09:29,715 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 03:09:29,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 03:09:29,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:09:29,717 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:09:29,752 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 03:09:29,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 03:09:29,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-23 03:09:29,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2021-11-23 03:09:29,761 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-23 03:09:29,761 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2021-11-23 03:09:29,812 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:09:29,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:09:29,813 INFO L158 Benchmark]: Toolchain (without parser) took 4031.73ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 56.6MB in the beginning and 48.9MB in the end (delta: 7.7MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2021-11-23 03:09:29,814 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:09:29,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 712.19ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 97.6MB in the end (delta: -41.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 03:09:29,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.38ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:09:29,816 INFO L158 Benchmark]: Boogie Preprocessor took 70.65ms. Allocated memory is still 130.0MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 03:09:29,816 INFO L158 Benchmark]: RCFGBuilder took 757.38ms. Allocated memory is still 130.0MB. Free memory was 94.1MB in the beginning and 73.9MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 03:09:29,817 INFO L158 Benchmark]: TraceAbstraction took 2249.10ms. Allocated memory is still 130.0MB. Free memory was 73.2MB in the beginning and 55.2MB in the end (delta: 18.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 03:09:29,817 INFO L158 Benchmark]: Witness Printer took 130.19ms. Allocated memory is still 130.0MB. Free memory was 55.2MB in the beginning and 48.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 03:09:29,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 712.19ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 56.3MB in the beginning and 97.6MB in the end (delta: -41.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.38ms. Allocated memory is still 130.0MB. Free memory was 97.6MB in the beginning and 95.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.65ms. Allocated memory is still 130.0MB. Free memory was 95.5MB in the beginning and 94.1MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 757.38ms. Allocated memory is still 130.0MB. Free memory was 94.1MB in the beginning and 73.9MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2249.10ms. Allocated memory is still 130.0MB. Free memory was 73.2MB in the beginning and 55.2MB in the end (delta: 18.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Witness Printer took 130.19ms. Allocated memory is still 130.0MB. Free memory was 55.2MB in the beginning and 48.9MB 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: 306]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 399 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 201 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 184 PreInvPairs, 210 NumberOfFragments, 160 HoareAnnotationTreeSize, 184 FomulaSimplifications, 65 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 378 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 290]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && tmp == systemActive) && !(0 == systemActive) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 03:09:29,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de10c892-1df3-480f-b70a-6d7a6a61267e/bin/utaipan-EQgc7hIp5V/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