./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:09:38,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:09:38,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:09:38,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:09:38,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:09:38,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:09:38,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:09:38,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:09:38,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:09:38,918 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:09:38,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:09:38,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:09:38,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:09:38,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:09:38,921 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:09:38,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:09:38,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:09:38,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:09:38,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:09:38,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:09:38,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:09:38,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:09:38,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:09:38,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:09:38,926 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:09:38,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:09:38,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:09:38,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:09:38,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:09:38,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:09:38,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:09:38,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:09:38,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:09:38,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:09:38,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:09:38,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:09:38,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:09:38,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:09:38,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:09:38,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:09:38,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:09:38,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:09:38,932 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d436abf98cab5db4fbcf1977ce5628e2227cd7aa643df1d726e32cf2e71cb81f [2023-11-29 00:09:39,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:09:39,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:09:39,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:09:39,162 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:09:39,162 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:09:39,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2023-11-29 00:09:41,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:09:42,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:09:42,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2023-11-29 00:09:42,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/data/84145cdc2/d1ba586c56564a2cb98c5955a246a77f/FLAG8e06fec5c [2023-11-29 00:09:42,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/data/84145cdc2/d1ba586c56564a2cb98c5955a246a77f [2023-11-29 00:09:42,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:09:42,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:09:42,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:09:42,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:09:42,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:09:42,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:42,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b7286f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42, skipping insertion in model container [2023-11-29 00:09:42,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:42,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:09:42,820 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_f78caf0d-ef08-4d38-9cc0-b5a96740909a/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2023-11-29 00:09:42,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:09:42,838 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:09:42,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-29 00:09:42,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2023-11-29 00:09:42,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] [2023-11-29 00:09:42,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] [2023-11-29 00:09:42,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] [2023-11-29 00:09:42,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] [2023-11-29 00:09:42,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] [2023-11-29 00:09:42,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] [2023-11-29 00:09:42,909 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_f78caf0d-ef08-4d38-9cc0-b5a96740909a/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2023-11-29 00:09:42,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:09:42,930 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:09:42,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42 WrapperNode [2023-11-29 00:09:42,930 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:09:42,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:09:42,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:09:42,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:09:42,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:42,950 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:42,975 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 235 [2023-11-29 00:09:42,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:09:42,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:09:42,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:09:42,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:09:42,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:42,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:42,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:43,007 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 00:09:43,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:43,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:43,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:43,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:43,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:43,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:43,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:09:43,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:09:43,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:09:43,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:09:43,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (1/1) ... [2023-11-29 00:09:43,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:09:43,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:09:43,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:09:43,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:09:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:09:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 00:09:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 00:09:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 00:09:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 00:09:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-29 00:09:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-29 00:09:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 00:09:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 00:09:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 00:09:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 00:09:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 00:09:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 00:09:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 00:09:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 00:09:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-29 00:09:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-29 00:09:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 00:09:43,097 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 00:09:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:09:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 00:09:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 00:09:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:09:43,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:09:43,171 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:09:43,173 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:09:43,413 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:09:43,486 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:09:43,487 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 00:09:43,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:09:43 BoogieIcfgContainer [2023-11-29 00:09:43,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:09:43,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:09:43,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:09:43,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:09:43,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:09:42" (1/3) ... [2023-11-29 00:09:43,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b13594b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:09:43, skipping insertion in model container [2023-11-29 00:09:43,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:09:42" (2/3) ... [2023-11-29 00:09:43,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b13594b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:09:43, skipping insertion in model container [2023-11-29 00:09:43,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:09:43" (3/3) ... [2023-11-29 00:09:43,495 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2023-11-29 00:09:43,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:09:43,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:09:43,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:09:43,559 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=PETRI_NET, 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;@44912251, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:09:43,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:09:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 72 states have internal predecessors, (92), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:09:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 00:09:43,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:43,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:09:43,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:43,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:43,577 INFO L85 PathProgramCache]: Analyzing trace with hash -662235719, now seen corresponding path program 1 times [2023-11-29 00:09:43,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:43,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031271802] [2023-11-29 00:09:43,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:43,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 00:09:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:09:43,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:43,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031271802] [2023-11-29 00:09:43,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031271802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:43,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:43,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:09:43,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36332026] [2023-11-29 00:09:43,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:43,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:09:43,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:43,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:09:43,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:09:43,774 INFO L87 Difference]: Start difference. First operand has 92 states, 61 states have (on average 1.5081967213114753) internal successors, (92), 72 states have internal predecessors, (92), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) 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) [2023-11-29 00:09:43,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:43,834 INFO L93 Difference]: Finished difference Result 182 states and 261 transitions. [2023-11-29 00:09:43,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:09:43,837 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 [2023-11-29 00:09:43,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:43,846 INFO L225 Difference]: With dead ends: 182 [2023-11-29 00:09:43,847 INFO L226 Difference]: Without dead ends: 87 [2023-11-29 00:09:43,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:09:43,855 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:43,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:09:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-29 00:09:43,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-29 00:09:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 68 states have internal predecessors, (82), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:09:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2023-11-29 00:09:43,902 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 17 [2023-11-29 00:09:43,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:43,902 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2023-11-29 00:09:43,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:09:43,903 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2023-11-29 00:09:43,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 00:09:43,905 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:43,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:09:43,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:09:43,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:43,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:43,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1228910346, now seen corresponding path program 1 times [2023-11-29 00:09:43,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:43,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255080677] [2023-11-29 00:09:43,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:43,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 00:09:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:09:44,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:44,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255080677] [2023-11-29 00:09:44,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255080677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:44,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:44,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:09:44,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383139965] [2023-11-29 00:09:44,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:44,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:44,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:44,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:44,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:44,009 INFO L87 Difference]: Start difference. First operand 87 states and 119 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) [2023-11-29 00:09:44,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:44,055 INFO L93 Difference]: Finished difference Result 144 states and 196 transitions. [2023-11-29 00:09:44,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:44,056 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 [2023-11-29 00:09:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:44,058 INFO L225 Difference]: With dead ends: 144 [2023-11-29 00:09:44,058 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 00:09:44,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:44,061 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 14 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:44,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 170 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:09:44,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 00:09:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-29 00:09:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 63 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 00:09:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 108 transitions. [2023-11-29 00:09:44,077 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 108 transitions. Word has length 18 [2023-11-29 00:09:44,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:44,077 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 108 transitions. [2023-11-29 00:09:44,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:09:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2023-11-29 00:09:44,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 00:09:44,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:44,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:09:44,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:09:44,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:44,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:44,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1522896043, now seen corresponding path program 1 times [2023-11-29 00:09:44,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:44,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133194956] [2023-11-29 00:09:44,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:44,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 00:09:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:44,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:09:44,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:44,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133194956] [2023-11-29 00:09:44,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133194956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:44,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:44,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:09:44,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12307706] [2023-11-29 00:09:44,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:44,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:09:44,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:44,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:09:44,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:44,174 INFO L87 Difference]: Start difference. First operand 79 states and 108 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) [2023-11-29 00:09:44,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:44,255 INFO L93 Difference]: Finished difference Result 233 states and 321 transitions. [2023-11-29 00:09:44,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:09:44,255 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 [2023-11-29 00:09:44,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:44,258 INFO L225 Difference]: With dead ends: 233 [2023-11-29 00:09:44,258 INFO L226 Difference]: Without dead ends: 156 [2023-11-29 00:09:44,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:09:44,261 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 102 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:44,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 198 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:09:44,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-29 00:09:44,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2023-11-29 00:09:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 102 states have (on average 1.4411764705882353) internal successors, (147), 121 states have internal predecessors, (147), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-29 00:09:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 211 transitions. [2023-11-29 00:09:44,294 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 211 transitions. Word has length 21 [2023-11-29 00:09:44,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:44,295 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 211 transitions. [2023-11-29 00:09:44,295 INFO L496 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) [2023-11-29 00:09:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 211 transitions. [2023-11-29 00:09:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 00:09:44,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:44,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:09:44,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:09:44,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:44,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:44,300 INFO L85 PathProgramCache]: Analyzing trace with hash -528235754, now seen corresponding path program 1 times [2023-11-29 00:09:44,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:44,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776979780] [2023-11-29 00:09:44,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:44,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 00:09:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:09:44,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:09:44,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:09:44,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776979780] [2023-11-29 00:09:44,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776979780] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:09:44,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:09:44,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:09:44,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102554758] [2023-11-29 00:09:44,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:09:44,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:09:44,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:09:44,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:09:44,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:09:44,461 INFO L87 Difference]: Start difference. First operand 153 states and 211 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:09:44,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:09:44,592 INFO L93 Difference]: Finished difference Result 447 states and 636 transitions. [2023-11-29 00:09:44,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:09:44,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-29 00:09:44,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:09:44,598 INFO L225 Difference]: With dead ends: 447 [2023-11-29 00:09:44,598 INFO L226 Difference]: Without dead ends: 296 [2023-11-29 00:09:44,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:09:44,602 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 79 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:09:44,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 264 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:09:44,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-11-29 00:09:44,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2023-11-29 00:09:44,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 195 states have (on average 1.4102564102564104) internal successors, (275), 230 states have internal predecessors, (275), 64 states have call successors, (64), 36 states have call predecessors, (64), 34 states have return successors, (66), 40 states have call predecessors, (66), 64 states have call successors, (66) [2023-11-29 00:09:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 405 transitions. [2023-11-29 00:09:44,656 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 405 transitions. Word has length 24 [2023-11-29 00:09:44,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:09:44,657 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 405 transitions. [2023-11-29 00:09:44,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 00:09:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 405 transitions. [2023-11-29 00:09:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-29 00:09:44,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:09:44,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:09:44,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:09:44,662 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:09:44,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:09:44,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1181053380, now seen corresponding path program 1 times [2023-11-29 00:09:44,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:09:44,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253160577] [2023-11-29 00:09:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:09:44,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:09:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:09:44,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:09:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:09:44,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:09:44,731 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:09:44,732 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:09:44,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:09:44,736 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 00:09:44,740 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:09:44,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret53 could not be translated [2023-11-29 00:09:44,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:09:44 BoogieIcfgContainer [2023-11-29 00:09:44,782 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:09:44,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:09:44,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:09:44,783 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:09:44,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:09:43" (3/4) ... [2023-11-29 00:09:44,784 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 00:09:44,797 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret53 could not be translated [2023-11-29 00:09:44,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:09:44,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:09:44,845 INFO L158 Benchmark]: Toolchain (without parser) took 2321.22ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 83.1MB in the end (delta: 33.3MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-29 00:09:44,846 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:09:44,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.93ms. Allocated memory is still 153.1MB. Free memory was 116.1MB in the beginning and 96.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 00:09:44,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.77ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 93.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:09:44,847 INFO L158 Benchmark]: Boogie Preprocessor took 49.28ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 91.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:09:44,847 INFO L158 Benchmark]: RCFGBuilder took 461.11ms. Allocated memory is still 153.1MB. Free memory was 91.4MB in the beginning and 117.7MB in the end (delta: -26.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-29 00:09:44,848 INFO L158 Benchmark]: TraceAbstraction took 1293.04ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 86.3MB in the end (delta: 30.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-29 00:09:44,849 INFO L158 Benchmark]: Witness Printer took 62.01ms. Allocated memory is still 153.1MB. Free memory was 86.3MB in the beginning and 83.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:09:44,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.93ms. Allocated memory is still 153.1MB. Free memory was 116.1MB in the beginning and 96.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.77ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 93.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.28ms. Allocated memory is still 153.1MB. Free memory was 93.9MB in the beginning and 91.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.11ms. Allocated memory is still 153.1MB. Free memory was 91.4MB in the beginning and 117.7MB in the end (delta: -26.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1293.04ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 86.3MB in the end (delta: 30.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 62.01ms. Allocated memory is still 153.1MB. Free memory was 86.3MB in the beginning and 83.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 363]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] - GenericResultAtLocation [Line: 435]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] - GenericResultAtLocation [Line: 905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] - GenericResultAtLocation [Line: 1001]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] - GenericResultAtLocation [Line: 1010]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret53 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret53 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: 1006]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L100] int pumpRunning = 0; [L101] int systemActive = 1; [L437] int waterLevel = 1; [L438] int methaneLevelCritical = 0; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L906] int cleanupTimeShifts = 4; [L979] int retValue_acc ; [L980] int tmp ; [L984] FCALL select_helpers() [L985] FCALL select_features() [L986] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L986] RET, EXPR valid_product() [L986] tmp = valid_product() [L988] COND TRUE \read(tmp) [L990] FCALL setup() [L991] CALL runTest() [L973] CALL test() [L368] int splverifierCounter ; [L369] int tmp ; [L370] int tmp___0 ; [L371] int tmp___1 ; [L372] int tmp___2 ; [L375] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L377] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L379] COND TRUE splverifierCounter < 4 [L385] tmp = __VERIFIER_nondet_int() [L387] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L389] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] COND TRUE waterLevel < 2 [L456] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L389] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L395] tmp___0 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L405] tmp___2 = __VERIFIER_nondet_int() [L407] COND FALSE !(\read(tmp___2)) [L413] tmp___1 = __VERIFIER_nondet_int() [L415] COND TRUE \read(tmp___1) [L417] CALL stopSystem() [L344] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L351] systemActive = 0 [L417] RET stopSystem() [L424] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L108] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L115] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] CALL __utac_acc__Specification3_spec__1() [L1012] int tmp ; [L1013] int tmp___0 ; [L1014] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L476] int retValue_acc ; [L479] retValue_acc = methaneLevelCritical [L480] return (retValue_acc); [L1018] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1018] tmp = isMethaneLevelCritical() [L1020] COND FALSE !(\read(tmp)) [L1024] CALL, EXPR getWaterLevel() [L508] int retValue_acc ; [L511] retValue_acc = waterLevel [L512] return (retValue_acc); [L1024] RET, EXPR getWaterLevel() [L1024] tmp___0 = getWaterLevel() [L1026] COND TRUE tmp___0 == 2 [L1028] CALL, EXPR isPumpRunning() [L258] int retValue_acc ; [L261] retValue_acc = pumpRunning [L262] return (retValue_acc); [L1028] RET, EXPR isPumpRunning() [L1028] tmp___1 = isPumpRunning() [L1030] COND FALSE !(\read(tmp___1)) [L1034] CALL __automaton_fail() [L1006] 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 11 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 739 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 343 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 396 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 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! [2023-11-29 00:09:44,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78caf0d-ef08-4d38-9cc0-b5a96740909a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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