./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:45:58,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:45:58,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 04:45:58,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:45:58,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:45:58,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:45:58,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:45:58,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:45:58,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:45:58,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:45:58,601 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:45:58,601 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:45:58,601 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:45:58,604 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:45:58,605 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:45:58,605 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:45:58,605 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:45:58,606 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:45:58,606 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:45:58,606 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:45:58,607 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:45:58,611 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:45:58,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:45:58,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:45:58,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:45:58,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:45:58,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:45:58,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:45:58,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:45:58,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:45:58,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:45:58,614 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:45:58,615 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:45:58,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:45:58,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:45:58,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:45:58,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:45:58,618 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:45:58,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:45:58,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:45:58,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:45:58,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:45:58,619 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:45:58,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:45:58,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:45:58,620 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:45:58,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:45:58,621 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 310c99156af564276fd2307b8bd19d77055bd9a88be466df2e869c4dbf78e36f [2024-11-09 04:45:58,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:45:58,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:45:58,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:45:58,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:45:58,959 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:45:58,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c Unable to find full path for "g++" [2024-11-09 04:46:00,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:46:01,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:46:01,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c [2024-11-09 04:46:01,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/data/c42d01293/2888a5d5892b41008bd5ed6367ee2516/FLAGbc3674d5a [2024-11-09 04:46:01,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/data/c42d01293/2888a5d5892b41008bd5ed6367ee2516 [2024-11-09 04:46:01,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:46:01,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:46:01,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:01,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:46:01,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:46:01,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:01,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a6a1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01, skipping insertion in model container [2024-11-09 04:46:01,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:01,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:46:01,553 WARN L250 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_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1605,1618] [2024-11-09 04:46:01,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:01,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:46:01,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-09 04:46:01,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2024-11-09 04:46:01,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] [2024-11-09 04:46:01,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [133] [2024-11-09 04:46:01,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] [2024-11-09 04:46:01,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [600] [2024-11-09 04:46:01,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] [2024-11-09 04:46:01,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] [2024-11-09 04:46:01,826 WARN L250 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_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/sv-benchmarks/c/product-lines/minepump_spec3_product19.cil.c[1605,1618] [2024-11-09 04:46:01,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:46:01,963 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:46:01,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01 WrapperNode [2024-11-09 04:46:01,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:46:01,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:01,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:46:01,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:46:01,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:01,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,034 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 174 [2024-11-09 04:46:02,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:46:02,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:46:02,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:46:02,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:46:02,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:46:02,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:46:02,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:46:02,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:46:02,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (1/1) ... [2024-11-09 04:46:02,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:46:02,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:46:02,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:46:02,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:46:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:46:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 04:46:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 04:46:02,143 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 04:46:02,143 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 04:46:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 04:46:02,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 04:46:02,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-09 04:46:02,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-09 04:46:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 04:46:02,146 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 04:46:02,146 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 04:46:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 04:46:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:46:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 04:46:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 04:46:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:46:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:46:02,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:46:02,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:46:02,534 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-09 04:46:02,534 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:46:02,728 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:46:02,728 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 04:46:02,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:02 BoogieIcfgContainer [2024-11-09 04:46:02,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:46:02,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:46:02,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:46:02,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:46:02,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:46:01" (1/3) ... [2024-11-09 04:46:02,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11422940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:02, skipping insertion in model container [2024-11-09 04:46:02,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:46:01" (2/3) ... [2024-11-09 04:46:02,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11422940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:46:02, skipping insertion in model container [2024-11-09 04:46:02,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:02" (3/3) ... [2024-11-09 04:46:02,762 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2024-11-09 04:46:02,799 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:46:02,799 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 04:46:02,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:46:02,894 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@49527127, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:46:02,894 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 04:46:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 04:46:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 04:46:02,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:02,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:02,916 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:02,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:02,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1275615903, now seen corresponding path program 1 times [2024-11-09 04:46:02,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:02,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943461239] [2024-11-09 04:46:02,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:02,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:46:03,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:03,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943461239] [2024-11-09 04:46:03,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943461239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:03,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:03,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:46:03,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201864118] [2024-11-09 04:46:03,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:03,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 04:46:03,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:03,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 04:46:03,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 04:46:03,255 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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) [2024-11-09 04:46:03,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:03,359 INFO L93 Difference]: Finished difference Result 112 states and 153 transitions. [2024-11-09 04:46:03,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 04:46:03,363 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 [2024-11-09 04:46:03,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:03,401 INFO L225 Difference]: With dead ends: 112 [2024-11-09 04:46:03,402 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 04:46:03,405 INFO L431 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 [2024-11-09 04:46:03,410 INFO L432 NwaCegarLoop]: 57 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, 57 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 [2024-11-09 04:46:03,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:03,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 04:46:03,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 04:46:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 40 states have internal predecessors, (46), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 04:46:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2024-11-09 04:46:03,487 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 17 [2024-11-09 04:46:03,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:03,488 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2024-11-09 04:46:03,488 INFO L472 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) [2024-11-09 04:46:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2024-11-09 04:46:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 04:46:03,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:03,494 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:03,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 04:46:03,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:03,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:03,497 INFO L85 PathProgramCache]: Analyzing trace with hash 489860617, now seen corresponding path program 1 times [2024-11-09 04:46:03,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:03,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243337614] [2024-11-09 04:46:03,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:03,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:03,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:46:03,652 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:03,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243337614] [2024-11-09 04:46:03,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243337614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:03,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:03,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:46:03,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499124377] [2024-11-09 04:46:03,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:03,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:46:03,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:03,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:46:03,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:03,660 INFO L87 Difference]: Start difference. First operand 52 states and 67 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) [2024-11-09 04:46:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:03,715 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2024-11-09 04:46:03,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:46:03,715 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 [2024-11-09 04:46:03,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:03,717 INFO L225 Difference]: With dead ends: 76 [2024-11-09 04:46:03,717 INFO L226 Difference]: Without dead ends: 44 [2024-11-09 04:46:03,718 INFO L431 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 [2024-11-09 04:46:03,719 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 69 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 [2024-11-09 04:46:03,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 69 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 04:46:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-09 04:46:03,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-09 04:46:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 35 states have internal predecessors, (40), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 04:46:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2024-11-09 04:46:03,729 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 18 [2024-11-09 04:46:03,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:03,729 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2024-11-09 04:46:03,729 INFO L472 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) [2024-11-09 04:46:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2024-11-09 04:46:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 04:46:03,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:03,731 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:46:03,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:46:03,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:03,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:03,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1255813631, now seen corresponding path program 1 times [2024-11-09 04:46:03,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:03,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197735781] [2024-11-09 04:46:03,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:03,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:46:03,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:03,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197735781] [2024-11-09 04:46:03,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197735781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:03,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:03,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:46:03,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294589522] [2024-11-09 04:46:03,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:03,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:46:03,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:03,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:46:03,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:46:03,859 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 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) [2024-11-09 04:46:03,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:03,963 INFO L93 Difference]: Finished difference Result 128 states and 165 transitions. [2024-11-09 04:46:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:46:03,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 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 21 [2024-11-09 04:46:03,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:03,968 INFO L225 Difference]: With dead ends: 128 [2024-11-09 04:46:03,969 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 04:46:03,969 INFO L431 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 [2024-11-09 04:46:03,973 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 43 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:03,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 94 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:03,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 04:46:04,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2024-11-09 04:46:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 65 states have internal predecessors, (75), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 04:46:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2024-11-09 04:46:04,007 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 21 [2024-11-09 04:46:04,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:04,007 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2024-11-09 04:46:04,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 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) [2024-11-09 04:46:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2024-11-09 04:46:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 04:46:04,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:04,012 INFO L215 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, 1] [2024-11-09 04:46:04,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:46:04,012 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:04,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:04,013 INFO L85 PathProgramCache]: Analyzing trace with hash 752464377, now seen corresponding path program 1 times [2024-11-09 04:46:04,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:04,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638162046] [2024-11-09 04:46:04,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:04,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:46:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 04:46:04,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:46:04,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638162046] [2024-11-09 04:46:04,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638162046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:46:04,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:46:04,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 04:46:04,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756873733] [2024-11-09 04:46:04,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:46:04,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 04:46:04,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:46:04,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 04:46:04,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:46:04,279 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 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) [2024-11-09 04:46:04,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:46:04,425 INFO L93 Difference]: Finished difference Result 227 states and 296 transitions. [2024-11-09 04:46:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:46:04,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 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 24 [2024-11-09 04:46:04,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:46:04,428 INFO L225 Difference]: With dead ends: 227 [2024-11-09 04:46:04,428 INFO L226 Difference]: Without dead ends: 146 [2024-11-09 04:46:04,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 04:46:04,430 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 25 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 04:46:04,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 161 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 04:46:04,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-09 04:46:04,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 141. [2024-11-09 04:46:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 109 states have internal predecessors, (128), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (24), 19 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-09 04:46:04,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 176 transitions. [2024-11-09 04:46:04,460 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 176 transitions. Word has length 24 [2024-11-09 04:46:04,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:46:04,460 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 176 transitions. [2024-11-09 04:46:04,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 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) [2024-11-09 04:46:04,460 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 176 transitions. [2024-11-09 04:46:04,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 04:46:04,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:46:04,465 INFO L215 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, 1, 1, 1, 1] [2024-11-09 04:46:04,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 04:46:04,466 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 04:46:04,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:46:04,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1081584670, now seen corresponding path program 1 times [2024-11-09 04:46:04,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:46:04,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691413091] [2024-11-09 04:46:04,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:46:04,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:46:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:46:04,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 04:46:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 04:46:04,560 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 04:46:04,560 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 04:46:04,561 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 04:46:04,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 04:46:04,566 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 04:46:04,605 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 04:46:04,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:46:04 BoogieIcfgContainer [2024-11-09 04:46:04,612 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 04:46:04,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 04:46:04,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 04:46:04,616 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 04:46:04,616 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:46:02" (3/4) ... [2024-11-09 04:46:04,617 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 04:46:04,692 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 04:46:04,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 04:46:04,693 INFO L158 Benchmark]: Toolchain (without parser) took 3443.13ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 60.6MB in the end (delta: 68.8MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2024-11-09 04:46:04,693 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 85.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 04:46:04,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 712.65ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 108.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 04:46:04,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.96ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 106.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:46:04,695 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 04:46:04,695 INFO L158 Benchmark]: RCFGBuilder took 662.84ms. Allocated memory is still 163.6MB. Free memory was 104.3MB in the beginning and 80.0MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 04:46:04,696 INFO L158 Benchmark]: TraceAbstraction took 1880.01ms. Allocated memory is still 163.6MB. Free memory was 79.1MB in the beginning and 63.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-09 04:46:04,696 INFO L158 Benchmark]: Witness Printer took 79.18ms. Allocated memory is still 163.6MB. Free memory was 63.8MB in the beginning and 60.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 04:46:04,698 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 85.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 712.65ms. Allocated memory is still 163.6MB. Free memory was 129.5MB in the beginning and 108.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.96ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 106.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.84ms. Allocated memory is still 163.6MB. Free memory was 104.3MB in the beginning and 80.0MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1880.01ms. Allocated memory is still 163.6MB. Free memory was 79.1MB in the beginning and 63.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 79.18ms. Allocated memory is still 163.6MB. Free memory was 63.8MB in the beginning and 60.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [96] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [133] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [499] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [600] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [692] - GenericResultAtLocation [Line: 760]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [760] * 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 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L303] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int cleanupTimeShifts = 4; [L604] int waterLevel = 1; [L605] int methaneLevelCritical = 0; [L763] int pumpRunning = 0; [L764] int systemActive = 1; [L578] int retValue_acc ; [L579] int tmp ; [L583] FCALL select_helpers() [L584] FCALL select_features() [L585] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L585] RET, EXPR valid_product() [L585] tmp = valid_product() [L587] COND TRUE \read(tmp) [L589] FCALL setup() [L590] CALL runTest() [L572] CALL test() [L695] int splverifierCounter ; [L696] int tmp ; [L697] int tmp___0 ; [L698] int tmp___1 ; [L699] int tmp___2 ; [L702] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L704] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L706] COND TRUE splverifierCounter < 4 [L712] tmp = __VERIFIER_nondet_int() [L714] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L716] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L622] COND TRUE waterLevel < 2 [L623] waterLevel = waterLevel + 1 [L716] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L722] tmp___0 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L732] tmp___2 = __VERIFIER_nondet_int() [L734] COND FALSE !(\read(tmp___2)) [L738] tmp___1 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___1) [L742] CALL stopSystem() [L918] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L925] systemActive = 0 [L742] RET stopSystem() [L749] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L770] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L777] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L785] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L643] int retValue_acc ; [L646] retValue_acc = methaneLevelCritical [L647] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L675] int retValue_acc ; [L678] retValue_acc = waterLevel [L679] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND TRUE tmp___0 == 2 [L117] CALL, EXPR isPumpRunning() [L851] int retValue_acc ; [L854] retValue_acc = pumpRunning [L855] return (retValue_acc); [L117] RET, EXPR isPumpRunning() [L117] tmp___1 = isPumpRunning() [L119] COND FALSE !(\read(tmp___1)) [L123] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 381 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 193 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=4, InterpolantAutomatonStates: 12, 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, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 192 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-09 04:46:04,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cc48bd-aa43-4823-8fe9-bd43b5a2bab6/bin/utaipan-verify-YMUCfTKeje/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE