./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/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_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/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_5bcad007-0992-4c66-9494-e18ea43454dc/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 af36d03ba4a1f12ddb625aab4b3f9906d028707aefb4e7150e31be2b1be8c075 --- 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 20:05:46,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:05:46,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:05:46,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:05:46,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:05:46,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:05:46,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:05:46,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:05:46,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:05:46,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:05:46,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:05:46,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:05:46,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:05:46,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:05:46,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:05:46,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:05:46,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:05:46,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:05:46,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:05:46,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:05:46,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:05:46,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:05:46,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:05:46,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:05:46,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:05:46,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:05:46,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:05:46,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:05:46,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:05:46,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:05:46,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:05:46,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:05:46,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:05:46,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:05:46,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:05:46,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:05:46,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:05:46,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:05:46,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:05:46,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:05:46,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:05:46,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:05:46,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:05:46,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:05:46,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:05:46,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:05:46,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:05:46,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:05:46,222 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:05:46,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:05:46,223 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:05:46,223 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:05:46,223 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:05:46,224 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:05:46,224 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:05:46,224 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:05:46,224 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:05:46,225 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:05:46,225 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:05:46,225 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:05:46,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:05:46,226 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:05:46,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:05:46,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:05:46,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:05:46,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:05:46,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:05:46,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:05:46,228 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:05:46,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:05:46,229 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:05:46,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:05:46,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:05:46,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:05:46,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:05:46,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:05:46,231 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:05:46,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:05:46,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:05:46,231 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:05:46,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:05:46,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:05:46,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:05:46,232 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_5bcad007-0992-4c66-9494-e18ea43454dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af36d03ba4a1f12ddb625aab4b3f9906d028707aefb4e7150e31be2b1be8c075 [2022-11-20 20:05:46,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:05:46,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:05:46,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:05:46,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:05:46,532 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:05:46,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2022-11-20 20:05:49,624 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:05:49,888 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:05:49,889 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2022-11-20 20:05:49,901 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/data/3304bc5b9/d39f06f9eb434e15b9c16ddf3a676ae8/FLAG7245a630d [2022-11-20 20:05:49,915 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/data/3304bc5b9/d39f06f9eb434e15b9c16ddf3a676ae8 [2022-11-20 20:05:49,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:05:49,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:05:49,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:05:49,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:05:49,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:05:49,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:05:49" (1/1) ... [2022-11-20 20:05:49,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c137f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:49, skipping insertion in model container [2022-11-20 20:05:49,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:05:49" (1/1) ... [2022-11-20 20:05:49,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:05:49,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:05:50,167 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_5bcad007-0992-4c66-9494-e18ea43454dc/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3438,3451] [2022-11-20 20:05:50,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:05:50,286 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:05:50,322 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_5bcad007-0992-4c66-9494-e18ea43454dc/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3438,3451] [2022-11-20 20:05:50,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:05:50,425 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:05:50,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50 WrapperNode [2022-11-20 20:05:50,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:05:50,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:05:50,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:05:50,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:05:50,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,491 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 200 [2022-11-20 20:05:50,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:05:50,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:05:50,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:05:50,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:05:50,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:05:50,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:05:50,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:05:50,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:05:50,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (1/1) ... [2022-11-20 20:05:50,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:05:50,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:05:50,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:05:50,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:05:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:05:50,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 20:05:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 20:05:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 20:05:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 20:05:50,615 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 20:05:50,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 20:05:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 20:05:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 20:05:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 20:05:50,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 20:05:50,616 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-20 20:05:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-20 20:05:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-20 20:05:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-20 20:05:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 20:05:50,617 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 20:05:50,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:05:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 20:05:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 20:05:50,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:05:50,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:05:50,705 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:05:50,709 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:05:51,060 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:05:51,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:05:51,259 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:05:51,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:05:51 BoogieIcfgContainer [2022-11-20 20:05:51,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:05:51,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:05:51,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:05:51,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:05:51,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:05:49" (1/3) ... [2022-11-20 20:05:51,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5743d6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:05:51, skipping insertion in model container [2022-11-20 20:05:51,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:05:50" (2/3) ... [2022-11-20 20:05:51,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5743d6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:05:51, skipping insertion in model container [2022-11-20 20:05:51,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:05:51" (3/3) ... [2022-11-20 20:05:51,271 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product32.cil.c [2022-11-20 20:05:51,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:05:51,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:05:51,371 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:05:51,385 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;@6dd75acb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:05:51,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:05:51,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-20 20:05:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 20:05:51,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:05:51,404 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:05:51,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:05:51,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:05:51,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1258293395, now seen corresponding path program 1 times [2022-11-20 20:05:51,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:05:51,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923075869] [2022-11-20 20:05:51,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:05:51,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:05:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:05:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 20:05:51,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:05:51,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923075869] [2022-11-20 20:05:51,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923075869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:05:51,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:05:51,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:05:51,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385932250] [2022-11-20 20:05:51,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:05:51,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:05:51,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:05:51,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:05:51,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:05:51,661 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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) [2022-11-20 20:05:51,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:05:51,732 INFO L93 Difference]: Finished difference Result 140 states and 191 transitions. [2022-11-20 20:05:51,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:05:51,734 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 [2022-11-20 20:05:51,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:05:51,744 INFO L225 Difference]: With dead ends: 140 [2022-11-20 20:05:51,744 INFO L226 Difference]: Without dead ends: 66 [2022-11-20 20:05:51,748 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 20:05:51,751 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:05:51,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:05:51,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-20 20:05:51,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-20 20:05:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 states have internal predecessors, (55), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 20:05:51,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2022-11-20 20:05:51,800 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 21 [2022-11-20 20:05:51,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:05:51,800 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2022-11-20 20:05:51,800 INFO L496 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) [2022-11-20 20:05:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2022-11-20 20:05:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 20:05:51,803 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:05:51,803 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:05:51,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:05:51,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:05:51,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:05:51,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1647792731, now seen corresponding path program 1 times [2022-11-20 20:05:51,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:05:51,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142980040] [2022-11-20 20:05:51,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:05:51,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:05:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:05:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 20:05:52,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:05:52,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142980040] [2022-11-20 20:05:52,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142980040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:05:52,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:05:52,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:05:52,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290559437] [2022-11-20 20:05:52,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:05:52,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:05:52,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:05:52,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:05:52,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:05:52,083 INFO L87 Difference]: Start difference. First operand 66 states and 86 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) [2022-11-20 20:05:52,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:05:52,167 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-11-20 20:05:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:05:52,170 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 [2022-11-20 20:05:52,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:05:52,172 INFO L225 Difference]: With dead ends: 104 [2022-11-20 20:05:52,172 INFO L226 Difference]: Without dead ends: 58 [2022-11-20 20:05:52,173 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 20:05:52,175 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:05:52,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:05:52,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-20 20:05:52,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-20 20:05:52,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-20 20:05:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-11-20 20:05:52,196 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 22 [2022-11-20 20:05:52,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:05:52,196 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-20 20:05:52,197 INFO L496 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) [2022-11-20 20:05:52,197 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-11-20 20:05:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 20:05:52,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:05:52,202 INFO L195 NwaCegarLoop]: 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] [2022-11-20 20:05:52,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:05:52,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:05:52,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:05:52,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1570328748, now seen corresponding path program 1 times [2022-11-20 20:05:52,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:05:52,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276857349] [2022-11-20 20:05:52,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:05:52,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:05:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:05:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 20:05:52,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:05:52,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276857349] [2022-11-20 20:05:52,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276857349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:05:52,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:05:52,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:05:52,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023504032] [2022-11-20 20:05:52,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:05:52,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:05:52,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:05:52,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:05:52,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:05:52,340 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-20 20:05:52,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:05:52,433 INFO L93 Difference]: Finished difference Result 170 states and 222 transitions. [2022-11-20 20:05:52,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:05:52,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 [2022-11-20 20:05:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:05:52,436 INFO L225 Difference]: With dead ends: 170 [2022-11-20 20:05:52,438 INFO L226 Difference]: Without dead ends: 114 [2022-11-20 20:05:52,439 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 20:05:52,442 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 67 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:05:52,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 141 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:05:52,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-20 20:05:52,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2022-11-20 20:05:52,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 83 states have internal predecessors, (93), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-20 20:05:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2022-11-20 20:05:52,491 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 25 [2022-11-20 20:05:52,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:05:52,492 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2022-11-20 20:05:52,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-20 20:05:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2022-11-20 20:05:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 20:05:52,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:05:52,497 INFO L195 NwaCegarLoop]: 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] [2022-11-20 20:05:52,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:05:52,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:05:52,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:05:52,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1611722463, now seen corresponding path program 1 times [2022-11-20 20:05:52,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:05:52,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800658548] [2022-11-20 20:05:52,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:05:52,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:05:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:05:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 20:05:52,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:05:52,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800658548] [2022-11-20 20:05:52,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800658548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:05:52,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:05:52,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:05:52,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216618117] [2022-11-20 20:05:52,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:05:52,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:05:52,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:05:52,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:05:52,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:05:52,768 INFO L87 Difference]: Start difference. First operand 111 states and 145 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) [2022-11-20 20:05:52,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:05:52,923 INFO L93 Difference]: Finished difference Result 194 states and 253 transitions. [2022-11-20 20:05:52,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:05:52,924 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 [2022-11-20 20:05:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:05:52,925 INFO L225 Difference]: With dead ends: 194 [2022-11-20 20:05:52,925 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:05:52,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 20:05:52,927 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 31 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:05:52,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 120 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:05:52,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:05:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:05:52,929 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 20:05:52,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:05:52,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-20 20:05:52,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:05:52,930 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:05:52,930 INFO L496 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) [2022-11-20 20:05:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:05:52,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:05:52,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 20:05:52,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:05:52,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 20:05:53,372 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2022-11-20 20:05:53,372 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2022-11-20 20:05:53,373 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 241 247) no Hoare annotation was computed. [2022-11-20 20:05:53,373 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 241 247) the Hoare annotation is: true [2022-11-20 20:05:53,373 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 943 954) the Hoare annotation is: true [2022-11-20 20:05:53,373 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 943 954) no Hoare annotation was computed. [2022-11-20 20:05:53,373 INFO L899 garLoopResultBuilder]: For program point L221-2(lines 217 239) no Hoare annotation was computed. [2022-11-20 20:05:53,373 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 291) no Hoare annotation was computed. [2022-11-20 20:05:53,374 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 296) no Hoare annotation was computed. [2022-11-20 20:05:53,374 INFO L895 garLoopResultBuilder]: At program point L531(line 531) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,374 INFO L899 garLoopResultBuilder]: For program point L531-1(line 531) no Hoare annotation was computed. [2022-11-20 20:05:53,374 INFO L895 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,375 INFO L895 garLoopResultBuilder]: At program point L516-1(line 516) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,375 INFO L895 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 20:05:53,375 INFO L895 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 20:05:53,375 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 20:05:53,375 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2022-11-20 20:05:53,376 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 543) no Hoare annotation was computed. [2022-11-20 20:05:53,376 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 546) no Hoare annotation was computed. [2022-11-20 20:05:53,376 INFO L895 garLoopResultBuilder]: At program point L529-1(lines 521 549) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,376 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,376 INFO L895 garLoopResultBuilder]: At program point L294-1(lines 275 299) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,377 INFO L895 garLoopResultBuilder]: At program point L228-1(lines 228 234) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,377 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 20:05:53,377 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 540) no Hoare annotation was computed. [2022-11-20 20:05:53,377 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 214 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,377 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 214 240) no Hoare annotation was computed. [2022-11-20 20:05:53,378 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2022-11-20 20:05:53,378 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2022-11-20 20:05:53,378 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2022-11-20 20:05:53,378 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2022-11-20 20:05:53,378 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 90 119) the Hoare annotation is: true [2022-11-20 20:05:53,378 INFO L902 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2022-11-20 20:05:53,379 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-11-20 20:05:53,379 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-11-20 20:05:53,379 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2022-11-20 20:05:53,379 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2022-11-20 20:05:53,379 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 20:05:53,380 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2022-11-20 20:05:53,380 INFO L895 garLoopResultBuilder]: At program point L412-1(lines 412 418) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 20:05:53,380 INFO L895 garLoopResultBuilder]: At program point L177(lines 177 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 20:05:53,380 INFO L902 garLoopResultBuilder]: At program point L495(lines 432 499) the Hoare annotation is: true [2022-11-20 20:05:53,380 INFO L902 garLoopResultBuilder]: At program point L177-2(lines 177 184) the Hoare annotation is: true [2022-11-20 20:05:53,381 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2022-11-20 20:05:53,381 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2022-11-20 20:05:53,381 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 20:05:53,381 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 20:05:53,381 INFO L895 garLoopResultBuilder]: At program point L492(lines 441 493) the Hoare annotation is: false [2022-11-20 20:05:53,381 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 486) no Hoare annotation was computed. [2022-11-20 20:05:53,382 INFO L895 garLoopResultBuilder]: At program point L414(line 414) the Hoare annotation is: false [2022-11-20 20:05:53,382 INFO L895 garLoopResultBuilder]: At program point L480-2(lines 472 487) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 20:05:53,382 INFO L899 garLoopResultBuilder]: For program point L443(lines 442 491) no Hoare annotation was computed. [2022-11-20 20:05:53,382 INFO L895 garLoopResultBuilder]: At program point L472(lines 472 487) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 20:05:53,382 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 20:05:53,392 INFO L895 garLoopResultBuilder]: At program point L489(lines 442 491) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 20:05:53,392 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2022-11-20 20:05:53,392 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2022-11-20 20:05:53,392 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 931 942) no Hoare annotation was computed. [2022-11-20 20:05:53,393 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 931 942) the Hoare annotation is: true [2022-11-20 20:05:53,393 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 20:05:53,393 INFO L895 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 20:05:53,393 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 265) no Hoare annotation was computed. [2022-11-20 20:05:53,393 INFO L895 garLoopResultBuilder]: At program point L253(lines 253 270) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,394 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 249 273) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,394 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 20:05:53,394 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 249 273) no Hoare annotation was computed. [2022-11-20 20:05:53,394 INFO L899 garLoopResultBuilder]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2022-11-20 20:05:53,394 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2022-11-20 20:05:53,394 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2022-11-20 20:05:53,395 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2022-11-20 20:05:53,395 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2022-11-20 20:05:53,403 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 20:05:53,405 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:05:53,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:05:53 BoogieIcfgContainer [2022-11-20 20:05:53,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:05:53,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:05:53,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:05:53,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:05:53,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:05:51" (3/4) ... [2022-11-20 20:05:53,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:05:53,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 20:05:53,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 20:05:53,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 20:05:53,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 20:05:53,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 20:05:53,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 20:05:53,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-20 20:05:53,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-20 20:05:53,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-20 20:05:53,457 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2022-11-20 20:05:53,458 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 20:05:53,458 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 20:05:53,459 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:05:53,459 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:05:53,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 20:05:53,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 20:05:53,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 20:05:53,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 20:05:53,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 20:05:53,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 20:05:53,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:05:53,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:05:53,553 INFO L158 Benchmark]: Toolchain (without parser) took 3633.32ms. Allocated memory was 165.7MB in the beginning and 260.0MB in the end (delta: 94.4MB). Free memory was 119.3MB in the beginning and 155.9MB in the end (delta: -36.6MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-11-20 20:05:53,553 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 165.7MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:05:53,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.42ms. Allocated memory is still 165.7MB. Free memory was 119.3MB in the beginning and 100.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 20:05:53,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.51ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 97.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:05:53,554 INFO L158 Benchmark]: Boogie Preprocessor took 28.41ms. Allocated memory is still 165.7MB. Free memory was 97.9MB in the beginning and 96.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:05:53,554 INFO L158 Benchmark]: RCFGBuilder took 741.29ms. Allocated memory is still 165.7MB. Free memory was 96.3MB in the beginning and 72.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 20:05:53,555 INFO L158 Benchmark]: TraceAbstraction took 2156.56ms. Allocated memory was 165.7MB in the beginning and 260.0MB in the end (delta: 94.4MB). Free memory was 72.2MB in the beginning and 161.1MB in the end (delta: -88.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-20 20:05:53,555 INFO L158 Benchmark]: Witness Printer took 130.27ms. Allocated memory is still 260.0MB. Free memory was 161.1MB in the beginning and 155.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:05:53,558 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 165.7MB. Free memory is still 129.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.42ms. Allocated memory is still 165.7MB. Free memory was 119.3MB in the beginning and 100.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.51ms. Allocated memory is still 165.7MB. Free memory was 100.4MB in the beginning and 97.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.41ms. Allocated memory is still 165.7MB. Free memory was 97.9MB in the beginning and 96.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.29ms. Allocated memory is still 165.7MB. Free memory was 96.3MB in the beginning and 72.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2156.56ms. Allocated memory was 165.7MB in the beginning and 260.0MB in the end (delta: 94.4MB). Free memory was 72.2MB in the beginning and 161.1MB in the end (delta: -88.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 130.27ms. Allocated memory is still 260.0MB. Free memory was 161.1MB in the beginning and 155.9MB 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: 195]: 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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 442 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 252 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 259 PreInvPairs, 283 NumberOfFragments, 177 HoareAnnotationTreeSize, 259 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 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: 472]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 20:05:53,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcad007-0992-4c66-9494-e18ea43454dc/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE