./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9 --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 b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 21:08:35,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 21:08:35,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 21:08:35,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 21:08:35,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 21:08:35,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 21:08:35,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 21:08:35,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 21:08:35,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 21:08:35,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 21:08:35,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 21:08:35,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 21:08:35,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 21:08:35,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 21:08:35,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 21:08:35,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 21:08:35,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 21:08:35,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 21:08:35,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 21:08:35,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 21:08:35,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 21:08:35,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 21:08:35,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 21:08:35,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 21:08:35,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 21:08:35,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 21:08:35,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 21:08:35,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 21:08:35,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 21:08:35,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 21:08:35,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 21:08:35,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 21:08:35,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 21:08:35,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 21:08:35,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 21:08:35,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 21:08:35,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 21:08:35,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 21:08:35,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 21:08:35,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 21:08:35,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 21:08:35,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 21:08:35,158 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 21:08:35,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 21:08:35,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 21:08:35,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 21:08:35,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 21:08:35,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 21:08:35,162 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 21:08:35,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 21:08:35,163 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 21:08:35,163 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 21:08:35,164 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 21:08:35,164 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 21:08:35,164 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 21:08:35,165 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 21:08:35,165 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 21:08:35,166 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 21:08:35,166 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 21:08:35,166 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 21:08:35,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 21:08:35,168 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 21:08:35,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 21:08:35,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 21:08:35,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 21:08:35,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 21:08:35,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 21:08:35,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 21:08:35,170 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 21:08:35,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 21:08:35,171 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 21:08:35,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 21:08:35,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 21:08:35,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 21:08:35,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:08:35,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 21:08:35,173 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 21:08:35,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 21:08:35,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 21:08:35,174 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 21:08:35,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 21:08:35,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 21:08:35,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 21:08:35,176 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_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f [2022-11-20 21:08:35,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 21:08:35,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 21:08:35,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 21:08:35,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 21:08:35,571 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 21:08:35,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2022-11-20 21:08:38,927 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 21:08:39,216 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 21:08:39,217 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2022-11-20 21:08:39,230 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/data/2b77457d8/93e83ebc635c4d1087487ef7bdefe591/FLAGf612ba7c9 [2022-11-20 21:08:39,248 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/data/2b77457d8/93e83ebc635c4d1087487ef7bdefe591 [2022-11-20 21:08:39,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 21:08:39,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 21:08:39,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 21:08:39,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 21:08:39,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 21:08:39,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767e11a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39, skipping insertion in model container [2022-11-20 21:08:39,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 21:08:39,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 21:08:39,640 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2022-11-20 21:08:39,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:08:39,658 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 21:08:39,773 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2022-11-20 21:08:39,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 21:08:39,811 INFO L208 MainTranslator]: Completed translation [2022-11-20 21:08:39,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39 WrapperNode [2022-11-20 21:08:39,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 21:08:39,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 21:08:39,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 21:08:39,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 21:08:39,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,908 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 177 [2022-11-20 21:08:39,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 21:08:39,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 21:08:39,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 21:08:39,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 21:08:39,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 21:08:39,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 21:08:39,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 21:08:39,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 21:08:39,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (1/1) ... [2022-11-20 21:08:39,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 21:08:39,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 21:08:40,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 21:08:40,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 21:08:40,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 21:08:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 21:08:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 21:08:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 21:08:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 21:08:40,064 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 21:08:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 21:08:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 21:08:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 21:08:40,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 21:08:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 21:08:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 21:08:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 21:08:40,066 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-20 21:08:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-20 21:08:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 21:08:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 21:08:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 21:08:40,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 21:08:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 21:08:40,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 21:08:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 21:08:40,211 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 21:08:40,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 21:08:40,591 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 21:08:40,747 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 21:08:40,747 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 21:08:40,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:08:40 BoogieIcfgContainer [2022-11-20 21:08:40,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 21:08:40,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 21:08:40,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 21:08:40,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 21:08:40,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:08:39" (1/3) ... [2022-11-20 21:08:40,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530487c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:08:40, skipping insertion in model container [2022-11-20 21:08:40,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:08:39" (2/3) ... [2022-11-20 21:08:40,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@530487c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:08:40, skipping insertion in model container [2022-11-20 21:08:40,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:08:40" (3/3) ... [2022-11-20 21:08:40,763 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2022-11-20 21:08:40,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 21:08:40,790 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 21:08:40,854 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 21:08:40,862 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c7717b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 21:08:40,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 21:08:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.4) internal successors, (56), 48 states have internal predecessors, (56), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 21:08:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 21:08:40,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:08:40,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:08:40,883 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:08:40,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:08:40,897 INFO L85 PathProgramCache]: Analyzing trace with hash 105433415, now seen corresponding path program 1 times [2022-11-20 21:08:40,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:08:40,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287501437] [2022-11-20 21:08:40,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:08:40,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:08:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:08:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:08:41,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:08:41,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287501437] [2022-11-20 21:08:41,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287501437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:08:41,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:08:41,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 21:08:41,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546999993] [2022-11-20 21:08:41,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:08:41,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 21:08:41,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:08:41,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 21:08:41,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:08:41,297 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.4) internal successors, (56), 48 states have internal predecessors, (56), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:08:41,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:08:41,429 INFO L93 Difference]: Finished difference Result 130 states and 173 transitions. [2022-11-20 21:08:41,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 21:08:41,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-20 21:08:41,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:08:41,483 INFO L225 Difference]: With dead ends: 130 [2022-11-20 21:08:41,483 INFO L226 Difference]: Without dead ends: 61 [2022-11-20 21:08:41,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 21:08:41,499 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:08:41,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:08:41,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-20 21:08:41,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-20 21:08:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 44 states have internal predecessors, (48), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 21:08:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2022-11-20 21:08:41,578 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 17 [2022-11-20 21:08:41,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:08:41,580 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2022-11-20 21:08:41,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:08:41,580 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2022-11-20 21:08:41,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 21:08:41,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:08:41,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:08:41,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 21:08:41,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:08:41,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:08:41,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1234285358, now seen corresponding path program 1 times [2022-11-20 21:08:41,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:08:41,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387526291] [2022-11-20 21:08:41,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:08:41,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:08:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:08:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:08:41,797 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:08:41,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387526291] [2022-11-20 21:08:41,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387526291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:08:41,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:08:41,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 21:08:41,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573335354] [2022-11-20 21:08:41,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:08:41,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 21:08:41,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:08:41,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 21:08:41,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:08:41,801 INFO L87 Difference]: Start difference. First operand 61 states and 77 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:08:41,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:08:41,855 INFO L93 Difference]: Finished difference Result 99 states and 125 transitions. [2022-11-20 21:08:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 21:08:41,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-20 21:08:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:08:41,857 INFO L225 Difference]: With dead ends: 99 [2022-11-20 21:08:41,857 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 21:08:41,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 21:08:41,860 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 7 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:08:41,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 97 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:08:41,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 21:08:41,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 21:08:41,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 39 states have internal predecessors, (42), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 21:08:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2022-11-20 21:08:41,871 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 18 [2022-11-20 21:08:41,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:08:41,871 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2022-11-20 21:08:41,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:08:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2022-11-20 21:08:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 21:08:41,873 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:08:41,873 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:08:41,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 21:08:41,874 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:08:41,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:08:41,875 INFO L85 PathProgramCache]: Analyzing trace with hash -950919519, now seen corresponding path program 1 times [2022-11-20 21:08:41,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:08:41,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184216229] [2022-11-20 21:08:41,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:08:41,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:08:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:08:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:08:42,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:08:42,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184216229] [2022-11-20 21:08:42,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184216229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:08:42,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:08:42,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 21:08:42,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327229563] [2022-11-20 21:08:42,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:08:42,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 21:08:42,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:08:42,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 21:08:42,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 21:08:42,026 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:08:42,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:08:42,209 INFO L93 Difference]: Finished difference Result 152 states and 192 transitions. [2022-11-20 21:08:42,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 21:08:42,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-20 21:08:42,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:08:42,213 INFO L225 Difference]: With dead ends: 152 [2022-11-20 21:08:42,213 INFO L226 Difference]: Without dead ends: 101 [2022-11-20 21:08:42,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 21:08:42,216 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 46 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 21:08:42,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 275 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 21:08:42,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-20 21:08:42,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2022-11-20 21:08:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.293103448275862) internal successors, (75), 70 states have internal predecessors, (75), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 15 states have call predecessors, (23), 23 states have call successors, (23) [2022-11-20 21:08:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 121 transitions. [2022-11-20 21:08:42,256 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 121 transitions. Word has length 20 [2022-11-20 21:08:42,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:08:42,256 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 121 transitions. [2022-11-20 21:08:42,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 21:08:42,257 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 121 transitions. [2022-11-20 21:08:42,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 21:08:42,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 21:08:42,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 21:08:42,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 21:08:42,262 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 21:08:42,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 21:08:42,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1674469800, now seen corresponding path program 1 times [2022-11-20 21:08:42,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 21:08:42,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292222872] [2022-11-20 21:08:42,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 21:08:42,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 21:08:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 21:08:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 21:08:42,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 21:08:42,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292222872] [2022-11-20 21:08:42,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292222872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 21:08:42,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 21:08:42,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 21:08:42,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655993505] [2022-11-20 21:08:42,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 21:08:42,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 21:08:42,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 21:08:42,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 21:08:42,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 21:08:42,479 INFO L87 Difference]: Start difference. First operand 97 states and 121 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 21:08:42,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 21:08:42,554 INFO L93 Difference]: Finished difference Result 163 states and 203 transitions. [2022-11-20 21:08:42,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 21:08:42,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-20 21:08:42,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 21:08:42,555 INFO L225 Difference]: With dead ends: 163 [2022-11-20 21:08:42,555 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 21:08:42,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 21:08:42,562 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 27 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 21:08:42,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 55 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 21:08:42,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 21:08:42,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 21:08:42,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 21:08:42,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 21:08:42,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-11-20 21:08:42,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 21:08:42,565 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 21:08:42,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 21:08:42,565 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 21:08:42,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 21:08:42,568 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 21:08:42,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 21:08:42,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 21:08:43,036 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 834 841) the Hoare annotation is: true [2022-11-20 21:08:43,037 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 834 841) no Hoare annotation was computed. [2022-11-20 21:08:43,038 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 750 756) no Hoare annotation was computed. [2022-11-20 21:08:43,038 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 750 756) the Hoare annotation is: true [2022-11-20 21:08:43,039 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 588 599) the Hoare annotation is: true [2022-11-20 21:08:43,039 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 588 599) no Hoare annotation was computed. [2022-11-20 21:08:43,039 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 600 608) the Hoare annotation is: true [2022-11-20 21:08:43,039 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 600 608) no Hoare annotation was computed. [2022-11-20 21:08:43,040 INFO L899 garLoopResultBuilder]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2022-11-20 21:08:43,040 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 966) no Hoare annotation was computed. [2022-11-20 21:08:43,041 INFO L895 garLoopResultBuilder]: At program point L952(lines 952 969) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)))) [2022-11-20 21:08:43,042 INFO L895 garLoopResultBuilder]: At program point L952-1(lines 944 972) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)))) [2022-11-20 21:08:43,042 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2022-11-20 21:08:43,046 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 729 748) no Hoare annotation was computed. [2022-11-20 21:08:43,046 INFO L899 garLoopResultBuilder]: For program point L792(lines 792 800) no Hoare annotation was computed. [2022-11-20 21:08:43,048 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 805) no Hoare annotation was computed. [2022-11-20 21:08:43,048 INFO L895 garLoopResultBuilder]: At program point L950(line 950) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 21:08:43,049 INFO L899 garLoopResultBuilder]: For program point L950-1(line 950) no Hoare annotation was computed. [2022-11-20 21:08:43,049 INFO L895 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 21:08:43,050 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 21:08:43,051 INFO L895 garLoopResultBuilder]: At program point L794(line 794) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 21:08:43,051 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 21:08:43,058 INFO L899 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed. [2022-11-20 21:08:43,059 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 726 749) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 21:08:43,059 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 726 749) no Hoare annotation was computed. [2022-11-20 21:08:43,059 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2022-11-20 21:08:43,059 INFO L895 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 21:08:43,060 INFO L895 garLoopResultBuilder]: At program point L803-1(lines 784 808) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 21:08:43,061 INFO L902 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2022-11-20 21:08:43,061 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2022-11-20 21:08:43,061 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-20 21:08:43,062 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2022-11-20 21:08:43,062 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2022-11-20 21:08:43,063 INFO L902 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2022-11-20 21:08:43,063 INFO L902 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2022-11-20 21:08:43,064 INFO L902 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2022-11-20 21:08:43,064 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2022-11-20 21:08:43,064 INFO L895 garLoopResultBuilder]: At program point L543(lines 543 550) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2022-11-20 21:08:43,064 INFO L902 garLoopResultBuilder]: At program point L543-2(lines 543 550) the Hoare annotation is: true [2022-11-20 21:08:43,065 INFO L895 garLoopResultBuilder]: At program point L700-2(lines 692 705) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 21:08:43,065 INFO L899 garLoopResultBuilder]: For program point L663(lines 662 709) no Hoare annotation was computed. [2022-11-20 21:08:43,065 INFO L895 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 21:08:43,065 INFO L902 garLoopResultBuilder]: At program point L713(lines 652 717) the Hoare annotation is: true [2022-11-20 21:08:43,066 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 678) no Hoare annotation was computed. [2022-11-20 21:08:43,066 INFO L899 garLoopResultBuilder]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2022-11-20 21:08:43,066 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 21:08:43,067 INFO L895 garLoopResultBuilder]: At program point L710(lines 661 711) the Hoare annotation is: false [2022-11-20 21:08:43,067 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 21:08:43,068 INFO L899 garLoopResultBuilder]: For program point L682(lines 682 688) no Hoare annotation was computed. [2022-11-20 21:08:43,068 INFO L895 garLoopResultBuilder]: At program point L682-1(lines 682 688) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 21:08:43,068 INFO L895 garLoopResultBuilder]: At program point L707(lines 662 709) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 21:08:43,069 INFO L895 garLoopResultBuilder]: At program point L674(line 674) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 21:08:43,069 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 576 587) no Hoare annotation was computed. [2022-11-20 21:08:43,069 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 576 587) the Hoare annotation is: true [2022-11-20 21:08:43,069 INFO L895 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 21:08:43,069 INFO L899 garLoopResultBuilder]: For program point L766(lines 766 774) no Hoare annotation was computed. [2022-11-20 21:08:43,070 INFO L895 garLoopResultBuilder]: At program point L762(lines 762 779) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 21:08:43,071 INFO L895 garLoopResultBuilder]: At program point L777(line 777) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 21:08:43,071 INFO L899 garLoopResultBuilder]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2022-11-20 21:08:43,071 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 758 782) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 21:08:43,071 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 758 782) no Hoare annotation was computed. [2022-11-20 21:08:43,073 INFO L895 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 21:08:43,073 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 842 852) the Hoare annotation is: true [2022-11-20 21:08:43,073 INFO L902 garLoopResultBuilder]: At program point L847(line 847) the Hoare annotation is: true [2022-11-20 21:08:43,073 INFO L899 garLoopResultBuilder]: For program point L847-1(line 847) no Hoare annotation was computed. [2022-11-20 21:08:43,074 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 842 852) no Hoare annotation was computed. [2022-11-20 21:08:43,079 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 21:08:43,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 21:08:43,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:08:43 BoogieIcfgContainer [2022-11-20 21:08:43,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 21:08:43,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 21:08:43,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 21:08:43,115 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 21:08:43,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:08:40" (3/4) ... [2022-11-20 21:08:43,119 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 21:08:43,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 21:08:43,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 21:08:43,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 21:08:43,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 21:08:43,127 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 21:08:43,127 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 21:08:43,127 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 21:08:43,128 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-20 21:08:43,128 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-20 21:08:43,144 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-20 21:08:43,145 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 21:08:43,146 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 21:08:43,147 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 21:08:43,147 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 21:08:43,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 21:08:43,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 21:08:43,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 21:08:43,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2022-11-20 21:08:43,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2022-11-20 21:08:43,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 21:08:43,235 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 21:08:43,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 21:08:43,237 INFO L158 Benchmark]: Toolchain (without parser) took 3983.69ms. Allocated memory is still 203.4MB. Free memory was 160.2MB in the beginning and 87.1MB in the end (delta: 73.2MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2022-11-20 21:08:43,237 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 21:08:43,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.47ms. Allocated memory is still 203.4MB. Free memory was 159.4MB in the beginning and 141.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 21:08:43,238 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.78ms. Allocated memory is still 203.4MB. Free memory was 141.4MB in the beginning and 139.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:08:43,238 INFO L158 Benchmark]: Boogie Preprocessor took 30.20ms. Allocated memory is still 203.4MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 21:08:43,239 INFO L158 Benchmark]: RCFGBuilder took 807.94ms. Allocated memory is still 203.4MB. Free memory was 137.2MB in the beginning and 114.9MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 21:08:43,239 INFO L158 Benchmark]: TraceAbstraction took 2358.83ms. Allocated memory is still 203.4MB. Free memory was 114.1MB in the beginning and 92.3MB in the end (delta: 21.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-11-20 21:08:43,240 INFO L158 Benchmark]: Witness Printer took 121.52ms. Allocated memory is still 203.4MB. Free memory was 92.3MB in the beginning and 87.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 21:08:43,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.47ms. Allocated memory is still 203.4MB. Free memory was 159.4MB in the beginning and 141.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.78ms. Allocated memory is still 203.4MB. Free memory was 141.4MB in the beginning and 139.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.20ms. Allocated memory is still 203.4MB. Free memory was 139.3MB in the beginning and 137.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 807.94ms. Allocated memory is still 203.4MB. Free memory was 137.2MB in the beginning and 114.9MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2358.83ms. Allocated memory is still 203.4MB. Free memory was 114.1MB in the beginning and 92.3MB in the end (delta: 21.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 121.52ms. Allocated memory is still 203.4MB. Free memory was 92.3MB in the beginning and 87.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 930]: 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 10 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 494 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 283 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 211 mSDtfsCounter, 164 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=97occurred in iteration=3, InterpolantAutomatonStates: 17, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 234 PreInvPairs, 255 NumberOfFragments, 180 HoareAnnotationTreeSize, 234 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 37 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 21:08:43,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e6db153-757e-41c6-a24d-57f9bb3c7b52/bin/utaipan-6cKwYrpEi9/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