./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh --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 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:50:39,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:50:39,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:50:39,098 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:50:39,099 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:50:39,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:50:39,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:50:39,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:50:39,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:50:39,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:50:39,127 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:50:39,128 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:50:39,128 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:50:39,128 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:50:39,129 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:50:39,129 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:50:39,130 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:50:39,130 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:50:39,131 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:50:39,131 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:50:39,132 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:50:39,135 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:50:39,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:50:39,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:50:39,136 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:50:39,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:50:39,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:50:39,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:50:39,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:50:39,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:50:39,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:50:39,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:50:39,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:50:39,139 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:50:39,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:50:39,139 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:50:39,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:50:39,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:39,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:50:39,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:50:39,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:50:39,141 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:50:39,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:50:39,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:50:39,141 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:50:39,142 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:50:39,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:50:39,142 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_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 [2023-12-02 19:50:39,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:50:39,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:50:39,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:50:39,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:50:39,398 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:50:39,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2023-12-02 19:50:42,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:50:42,351 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:50:42,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2023-12-02 19:50:42,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/data/4c53119d8/f55afec68673420893553759dca79e7c/FLAGb5943dab5 [2023-12-02 19:50:42,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/data/4c53119d8/f55afec68673420893553759dca79e7c [2023-12-02 19:50:42,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:50:42,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:50:42,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:42,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:50:42,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:50:42,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242c6cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42, skipping insertion in model container [2023-12-02 19:50:42,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:50:42,670 WARN L240 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_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2023-12-02 19:50:42,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:42,691 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:50:42,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-02 19:50:42,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2023-12-02 19:50:42,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] [2023-12-02 19:50:42,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [606] [2023-12-02 19:50:42,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] [2023-12-02 19:50:42,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [991] [2023-12-02 19:50:42,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1027] [2023-12-02 19:50:42,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [1036] [2023-12-02 19:50:42,759 WARN L240 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_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2023-12-02 19:50:42,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:50:42,783 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:50:42,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42 WrapperNode [2023-12-02 19:50:42,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:50:42,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:42,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:50:42,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:50:42,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,832 INFO L138 Inliner]: procedures = 63, calls = 122, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 289 [2023-12-02 19:50:42,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:50:42,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:50:42,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:50:42,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:50:42,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:50:42,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:50:42,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:50:42,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:50:42,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (1/1) ... [2023-12-02 19:50:42,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:50:42,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:50:42,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:50:42,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:50:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:50:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2023-12-02 19:50:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2023-12-02 19:50:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-02 19:50:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-02 19:50:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-02 19:50:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-02 19:50:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-02 19:50:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-02 19:50:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2023-12-02 19:50:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2023-12-02 19:50:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-02 19:50:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-02 19:50:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2023-12-02 19:50:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2023-12-02 19:50:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2023-12-02 19:50:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2023-12-02 19:50:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-02 19:50:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-02 19:50:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-02 19:50:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-02 19:50:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:50:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-12-02 19:50:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-12-02 19:50:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-02 19:50:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-02 19:50:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:50:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:50:43,019 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:50:43,021 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:50:43,332 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:50:43,435 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:50:43,435 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 19:50:43,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:43 BoogieIcfgContainer [2023-12-02 19:50:43,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:50:43,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:50:43,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:50:43,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:50:43,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:50:42" (1/3) ... [2023-12-02 19:50:43,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37593ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:50:43, skipping insertion in model container [2023-12-02 19:50:43,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:50:42" (2/3) ... [2023-12-02 19:50:43,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37593ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:50:43, skipping insertion in model container [2023-12-02 19:50:43,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:43" (3/3) ... [2023-12-02 19:50:43,447 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2023-12-02 19:50:43,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:50:43,463 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:50:43,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:50:43,510 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=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;@2d0f26ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:50:43,510 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:50:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 82 states have internal predecessors, (93), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-02 19:50:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 19:50:43,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:50:43,523 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:50:43,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:50:43,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:50:43,529 INFO L85 PathProgramCache]: Analyzing trace with hash -394288005, now seen corresponding path program 1 times [2023-12-02 19:50:43,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:50:43,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107928093] [2023-12-02 19:50:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:43,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:50:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:50:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 19:50:43,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:50:43,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107928093] [2023-12-02 19:50:43,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107928093] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:50:43,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:50:43,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:50:43,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828368651] [2023-12-02 19:50:43,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:50:43,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:50:43,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:50:43,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:50:43,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:50:43,784 INFO L87 Difference]: Start difference. First operand has 110 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 82 states have internal predecessors, (93), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:50:43,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:50:43,858 INFO L93 Difference]: Finished difference Result 204 states and 288 transitions. [2023-12-02 19:50:43,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:50:43,861 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2023-12-02 19:50:43,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:50:43,870 INFO L225 Difference]: With dead ends: 204 [2023-12-02 19:50:43,870 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 19:50:43,874 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 [2023-12-02 19:50:43,878 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:50:43,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:50:43,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 19:50:43,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-12-02 19:50:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 63 states have (on average 1.3492063492063493) internal successors, (85), 78 states have internal predecessors, (85), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 19:50:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2023-12-02 19:50:43,922 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 41 [2023-12-02 19:50:43,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:50:43,923 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2023-12-02 19:50:43,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:50:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2023-12-02 19:50:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 19:50:43,927 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:50:43,927 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:50:43,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:50:43,927 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:50:43,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:50:43,928 INFO L85 PathProgramCache]: Analyzing trace with hash 765625235, now seen corresponding path program 1 times [2023-12-02 19:50:43,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:50:43,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182887179] [2023-12-02 19:50:43,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:43,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:50:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:50:44,066 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 19:50:44,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:50:44,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182887179] [2023-12-02 19:50:44,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182887179] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:50:44,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:50:44,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:50:44,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503695785] [2023-12-02 19:50:44,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:50:44,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:50:44,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:50:44,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:50:44,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:50:44,072 INFO L87 Difference]: Start difference. First operand 105 states and 144 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:50:44,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:50:44,157 INFO L93 Difference]: Finished difference Result 167 states and 229 transitions. [2023-12-02 19:50:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:50:44,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-12-02 19:50:44,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:50:44,161 INFO L225 Difference]: With dead ends: 167 [2023-12-02 19:50:44,161 INFO L226 Difference]: Without dead ends: 97 [2023-12-02 19:50:44,162 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 [2023-12-02 19:50:44,164 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 16 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:50:44,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 210 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:50:44,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-12-02 19:50:44,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-12-02 19:50:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 73 states have internal predecessors, (79), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (27), 22 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-02 19:50:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 133 transitions. [2023-12-02 19:50:44,181 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 133 transitions. Word has length 42 [2023-12-02 19:50:44,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:50:44,181 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 133 transitions. [2023-12-02 19:50:44,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:50:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2023-12-02 19:50:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 19:50:44,184 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:50:44,184 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:50:44,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:50:44,185 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:50:44,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:50:44,186 INFO L85 PathProgramCache]: Analyzing trace with hash 357359833, now seen corresponding path program 1 times [2023-12-02 19:50:44,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:50:44,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997062479] [2023-12-02 19:50:44,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:44,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:50:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:50:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 19:50:44,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:50:44,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997062479] [2023-12-02 19:50:44,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997062479] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:50:44,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:50:44,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 19:50:44,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244436848] [2023-12-02 19:50:44,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:50:44,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:50:44,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:50:44,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:50:44,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:50:44,437 INFO L87 Difference]: Start difference. First operand 97 states and 133 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:50:44,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:50:44,627 INFO L93 Difference]: Finished difference Result 284 states and 392 transitions. [2023-12-02 19:50:44,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:50:44,627 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 45 [2023-12-02 19:50:44,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:50:44,631 INFO L225 Difference]: With dead ends: 284 [2023-12-02 19:50:44,631 INFO L226 Difference]: Without dead ends: 203 [2023-12-02 19:50:44,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:50:44,633 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 123 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:50:44,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 458 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:50:44,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-12-02 19:50:44,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 195. [2023-12-02 19:50:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 126 states have (on average 1.3253968253968254) internal successors, (167), 149 states have internal predecessors, (167), 43 states have call successors, (43), 22 states have call predecessors, (43), 25 states have return successors, (48), 43 states have call predecessors, (48), 43 states have call successors, (48) [2023-12-02 19:50:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 258 transitions. [2023-12-02 19:50:44,663 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 258 transitions. Word has length 45 [2023-12-02 19:50:44,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:50:44,664 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 258 transitions. [2023-12-02 19:50:44,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 19:50:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2023-12-02 19:50:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 19:50:44,667 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:50:44,667 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:50:44,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 19:50:44,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:50:44,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:50:44,668 INFO L85 PathProgramCache]: Analyzing trace with hash -82167683, now seen corresponding path program 1 times [2023-12-02 19:50:44,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:50:44,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600536688] [2023-12-02 19:50:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:50:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:50:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 19:50:44,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:50:44,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600536688] [2023-12-02 19:50:44,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600536688] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:50:44,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:50:44,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:50:44,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690121806] [2023-12-02 19:50:44,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:50:44,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:50:44,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:50:44,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:50:44,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:50:44,811 INFO L87 Difference]: Start difference. First operand 195 states and 258 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 19:50:44,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:50:44,892 INFO L93 Difference]: Finished difference Result 553 states and 734 transitions. [2023-12-02 19:50:44,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:50:44,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48 [2023-12-02 19:50:44,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:50:44,898 INFO L225 Difference]: With dead ends: 553 [2023-12-02 19:50:44,898 INFO L226 Difference]: Without dead ends: 374 [2023-12-02 19:50:44,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:50:44,901 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 107 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 19:50:44,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 220 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 19:50:44,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2023-12-02 19:50:44,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 365. [2023-12-02 19:50:44,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 237 states have (on average 1.3333333333333333) internal successors, (316), 281 states have internal predecessors, (316), 79 states have call successors, (79), 42 states have call predecessors, (79), 48 states have return successors, (89), 78 states have call predecessors, (89), 79 states have call successors, (89) [2023-12-02 19:50:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 484 transitions. [2023-12-02 19:50:44,948 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 484 transitions. Word has length 48 [2023-12-02 19:50:44,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:50:44,949 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 484 transitions. [2023-12-02 19:50:44,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 19:50:44,949 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 484 transitions. [2023-12-02 19:50:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 19:50:44,953 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:50:44,953 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:50:44,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 19:50:44,953 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:50:44,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:50:44,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1431632571, now seen corresponding path program 1 times [2023-12-02 19:50:44,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:50:44,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741556485] [2023-12-02 19:50:44,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:50:44,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:50:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:50:44,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:50:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:50:45,028 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:50:45,028 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:50:45,029 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:50:45,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 19:50:45,033 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 19:50:45,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:50:45,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated [2023-12-02 19:50:45,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret49 could not be translated [2023-12-02 19:50:45,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret50 could not be translated [2023-12-02 19:50:45,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret51 could not be translated [2023-12-02 19:50:45,071 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret52 could not be translated [2023-12-02 19:50:45,072 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret53 could not be translated [2023-12-02 19:50:45,077 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret54 could not be translated [2023-12-02 19:50:45,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:50:45 BoogieIcfgContainer [2023-12-02 19:50:45,094 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:50:45,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:50:45,095 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:50:45,095 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:50:45,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:50:43" (3/4) ... [2023-12-02 19:50:45,096 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 19:50:45,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated [2023-12-02 19:50:45,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret49 could not be translated [2023-12-02 19:50:45,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret50 could not be translated [2023-12-02 19:50:45,108 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret51 could not be translated [2023-12-02 19:50:45,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret52 could not be translated [2023-12-02 19:50:45,109 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret53 could not be translated [2023-12-02 19:50:45,113 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret54 could not be translated [2023-12-02 19:50:45,179 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 19:50:45,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:50:45,180 INFO L158 Benchmark]: Toolchain (without parser) took 2797.09ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 90.7MB in the beginning and 78.4MB in the end (delta: 12.4MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-12-02 19:50:45,180 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:50:45,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.40ms. Allocated memory is still 123.7MB. Free memory was 90.7MB in the beginning and 69.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 19:50:45,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.77ms. Allocated memory is still 123.7MB. Free memory was 69.8MB in the beginning and 67.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 19:50:45,182 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 65.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:50:45,182 INFO L158 Benchmark]: RCFGBuilder took 576.15ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 65.6MB in the beginning and 101.9MB in the end (delta: -36.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-12-02 19:50:45,182 INFO L158 Benchmark]: TraceAbstraction took 1653.61ms. Allocated memory is still 148.9MB. Free memory was 101.0MB in the beginning and 84.7MB in the end (delta: 16.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-12-02 19:50:45,183 INFO L158 Benchmark]: Witness Printer took 84.86ms. Allocated memory is still 148.9MB. Free memory was 84.7MB in the beginning and 78.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:50:45,185 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.40ms. Allocated memory is still 123.7MB. Free memory was 90.7MB in the beginning and 69.8MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.77ms. Allocated memory is still 123.7MB. Free memory was 69.8MB in the beginning and 67.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 65.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 576.15ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 65.6MB in the beginning and 101.9MB in the end (delta: -36.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1653.61ms. Allocated memory is still 148.9MB. Free memory was 101.0MB in the beginning and 84.7MB in the end (delta: 16.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Witness Printer took 84.86ms. Allocated memory is still 148.9MB. Free memory was 84.7MB in the beginning and 78.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [519] - GenericResultAtLocation [Line: 606]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [606] - GenericResultAtLocation [Line: 946]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [946] - GenericResultAtLocation [Line: 991]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [991] - GenericResultAtLocation [Line: 1027]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1027] - GenericResultAtLocation [Line: 1036]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [1036] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret54 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret54 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1032]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); [L964] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); [L965] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); [L966] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); [L967] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); [L968] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); [L969] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L540] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L552] CALL waterRise() VAL [\old(waterLevel)=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1055] COND TRUE waterLevel < 2 [L1056] waterLevel = waterLevel + 1 [L552] RET waterRise() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___1) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L583] COND TRUE \read(__SELECTED_FEATURE_stopCommand) [L585] CALL stopSystem() [L927] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L934] systemActive = 0 [L585] RET stopSystem() [L595] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L623] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L630] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1001] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); [L1001] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND TRUE tmp___0 == 2 [L1011] CALL, EXPR isPumpRunning() [L841] int retValue_acc ; [L844] retValue_acc = pumpRunning [L845] return (retValue_acc); [L1011] RET, EXPR isPumpRunning() [L1011] tmp___1 = isPumpRunning() [L1013] COND FALSE !(\read(tmp___1)) [L1017] CALL __automaton_fail() [L1032] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=16, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 1016 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 523 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 218 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 493 mSDtfsCounter, 218 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=365occurred in iteration=4, 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, 17 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 120/120 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! [2023-12-02 19:50:45,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6494a62-61f5-4d9f-b8f9-79dee4ae00ab/bin/utaipan-verify-nQ1chXbOIh/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE