./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/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_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1 --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 0.3.0-dev-d790fec [2024-12-02 08:27:05,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:27:05,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:27:05,123 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:27:05,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:27:05,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:27:05,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:27:05,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:27:05,144 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:27:05,144 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:27:05,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:27:05,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:27:05,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:27:05,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:27:05,144 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:27:05,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:27:05,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:27:05,146 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:27:05,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:27:05,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:27:05,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:27:05,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:27:05,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:27:05,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:27:05,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:27:05,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:27:05,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:27:05,147 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 08:27:05,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:27:05,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:27:05,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:27:05,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:27:05,385 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:27:05,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2024-12-02 08:27:08,061 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/data/678ddc2e1/0c78f1041198453a9a923402f10983fa/FLAG125ee2999 [2024-12-02 08:27:08,269 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:27:08,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c [2024-12-02 08:27:08,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/data/678ddc2e1/0c78f1041198453a9a923402f10983fa/FLAG125ee2999 [2024-12-02 08:27:08,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/data/678ddc2e1/0c78f1041198453a9a923402f10983fa [2024-12-02 08:27:08,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:27:08,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:27:08,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:27:08,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:27:08,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:27:08,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bac5579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08, skipping insertion in model container [2024-12-02 08:27:08,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:27:08,557 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2024-12-02 08:27:08,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:27:08,570 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:27:08,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-12-02 08:27:08,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2024-12-02 08:27:08,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [363] [2024-12-02 08:27:08,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [435] [2024-12-02 08:27:08,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [539] [2024-12-02 08:27:08,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [905] [2024-12-02 08:27:08,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1001] [2024-12-02 08:27:08,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [1010] [2024-12-02 08:27:08,631 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/sv-benchmarks/c/product-lines/minepump_spec3_product64.cil.c[19022,19035] [2024-12-02 08:27:08,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:27:08,651 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:27:08,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08 WrapperNode [2024-12-02 08:27:08,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:27:08,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:27:08,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:27:08,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:27:08,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,691 INFO L138 Inliner]: procedures = 59, calls = 108, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 234 [2024-12-02 08:27:08,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:27:08,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:27:08,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:27:08,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:27:08,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,714 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]. [2024-12-02 08:27:08,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,718 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:27:08,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:27:08,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:27:08,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:27:08,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (1/1) ... [2024-12-02 08:27:08,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:27:08,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:27:08,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:27:08,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:27:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:27:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 08:27:08,777 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 08:27:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 08:27:08,777 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 08:27:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-12-02 08:27:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-12-02 08:27:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 08:27:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 08:27:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-12-02 08:27:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-12-02 08:27:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 08:27:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 08:27:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-12-02 08:27:08,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-12-02 08:27:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-12-02 08:27:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-12-02 08:27:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-12-02 08:27:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-12-02 08:27:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:27:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 08:27:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 08:27:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:27:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:27:08,852 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:27:08,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:27:09,106 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-12-02 08:27:09,106 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:27:09,117 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:27:09,117 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 08:27:09,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:27:09 BoogieIcfgContainer [2024-12-02 08:27:09,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:27:09,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:27:09,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:27:09,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:27:09,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:27:08" (1/3) ... [2024-12-02 08:27:09,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690e1045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:27:09, skipping insertion in model container [2024-12-02 08:27:09,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:27:08" (2/3) ... [2024-12-02 08:27:09,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690e1045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:27:09, skipping insertion in model container [2024-12-02 08:27:09,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:27:09" (3/3) ... [2024-12-02 08:27:09,126 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64.cil.c [2024-12-02 08:27:09,136 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:27:09,137 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product64.cil.c that has 11 procedures, 113 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 08:27:09,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:27:09,189 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@43c0cc16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:27:09,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:27:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 93 states have internal predecessors, (113), 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) [2024-12-02 08:27:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 08:27:09,199 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:09,200 INFO L218 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] [2024-12-02 08:27:09,200 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:09,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:09,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1619185524, now seen corresponding path program 1 times [2024-12-02 08:27:09,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:09,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39493513] [2024-12-02 08:27:09,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:09,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:27:09,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:09,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39493513] [2024-12-02 08:27:09,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39493513] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:09,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:09,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:27:09,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046300867] [2024-12-02 08:27:09,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:09,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:27:09,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:09,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:27:09,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:27:09,427 INFO L87 Difference]: Start difference. First operand has 113 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 93 states have internal predecessors, (113), 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 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:27:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:09,458 INFO L93 Difference]: Finished difference Result 206 states and 277 transitions. [2024-12-02 08:27:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:27:09,459 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), 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 25 [2024-12-02 08:27:09,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:09,465 INFO L225 Difference]: With dead ends: 206 [2024-12-02 08:27:09,465 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 08:27:09,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:27:09,471 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 17 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:09,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 235 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:27:09,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 08:27:09,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 08:27:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 80 states have internal predecessors, (93), 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) [2024-12-02 08:27:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2024-12-02 08:27:09,506 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 25 [2024-12-02 08:27:09,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:09,507 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2024-12-02 08:27:09,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:27:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2024-12-02 08:27:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-02 08:27:09,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:09,509 INFO L218 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, 1, 1] [2024-12-02 08:27:09,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:27:09,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:09,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:09,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1107569495, now seen corresponding path program 1 times [2024-12-02 08:27:09,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:09,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524281448] [2024-12-02 08:27:09,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:09,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:27:09,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:09,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524281448] [2024-12-02 08:27:09,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524281448] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:09,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:09,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:27:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231936187] [2024-12-02 08:27:09,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:09,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:27:09,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:09,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:27:09,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:27:09,605 INFO L87 Difference]: Start difference. First operand 96 states and 125 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:27:09,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:09,639 INFO L93 Difference]: Finished difference Result 272 states and 360 transitions. [2024-12-02 08:27:09,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:27:09,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2024-12-02 08:27:09,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:09,641 INFO L225 Difference]: With dead ends: 272 [2024-12-02 08:27:09,642 INFO L226 Difference]: Without dead ends: 183 [2024-12-02 08:27:09,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:27:09,643 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 117 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:09,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 260 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:27:09,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-12-02 08:27:09,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2024-12-02 08:27:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 129 states have (on average 1.3488372093023255) internal successors, (174), 148 states have internal predecessors, (174), 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) [2024-12-02 08:27:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 238 transitions. [2024-12-02 08:27:09,670 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 238 transitions. Word has length 30 [2024-12-02 08:27:09,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:09,670 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 238 transitions. [2024-12-02 08:27:09,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:27:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2024-12-02 08:27:09,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-02 08:27:09,672 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:09,672 INFO L218 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, 1, 1, 1, 1, 1] [2024-12-02 08:27:09,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:27:09,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:09,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:09,673 INFO L85 PathProgramCache]: Analyzing trace with hash 2075036095, now seen corresponding path program 1 times [2024-12-02 08:27:09,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:09,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327290425] [2024-12-02 08:27:09,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:09,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:27:09,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:09,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327290425] [2024-12-02 08:27:09,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327290425] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:09,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:09,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:27:09,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605349134] [2024-12-02 08:27:09,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:09,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:27:09,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:09,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:27:09,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:27:09,809 INFO L87 Difference]: Start difference. First operand 180 states and 238 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-12-02 08:27:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:09,907 INFO L93 Difference]: Finished difference Result 514 states and 703 transitions. [2024-12-02 08:27:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:27:09,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 33 [2024-12-02 08:27:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:09,911 INFO L225 Difference]: With dead ends: 514 [2024-12-02 08:27:09,912 INFO L226 Difference]: Without dead ends: 341 [2024-12-02 08:27:09,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:27:09,914 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 88 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:09,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 461 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:27:09,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-12-02 08:27:09,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2024-12-02 08:27:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 242 states have (on average 1.3305785123966942) internal successors, (322), 277 states have internal predecessors, (322), 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) [2024-12-02 08:27:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 452 transitions. [2024-12-02 08:27:09,955 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 452 transitions. Word has length 33 [2024-12-02 08:27:09,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:09,956 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 452 transitions. [2024-12-02 08:27:09,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2024-12-02 08:27:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 452 transitions. [2024-12-02 08:27:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 08:27:09,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:09,959 INFO L218 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, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:27:09,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:27:09,960 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:09,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:09,960 INFO L85 PathProgramCache]: Analyzing trace with hash 647173636, now seen corresponding path program 1 times [2024-12-02 08:27:09,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:09,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287982526] [2024-12-02 08:27:09,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:09,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:27:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:27:10,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:27:10,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287982526] [2024-12-02 08:27:10,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287982526] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:27:10,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:27:10,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 08:27:10,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36509258] [2024-12-02 08:27:10,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:27:10,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:27:10,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:27:10,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:27:10,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:27:10,088 INFO L87 Difference]: Start difference. First operand 341 states and 452 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:27:10,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:27:10,335 INFO L93 Difference]: Finished difference Result 848 states and 1162 transitions. [2024-12-02 08:27:10,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:27:10,337 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 35 [2024-12-02 08:27:10,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:27:10,342 INFO L225 Difference]: With dead ends: 848 [2024-12-02 08:27:10,342 INFO L226 Difference]: Without dead ends: 675 [2024-12-02 08:27:10,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:27:10,344 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 202 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:27:10,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 869 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:27:10,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-12-02 08:27:10,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 667. [2024-12-02 08:27:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 472 states have (on average 1.326271186440678) internal successors, (626), 541 states have internal predecessors, (626), 126 states have call successors, (126), 70 states have call predecessors, (126), 68 states have return successors, (130), 80 states have call predecessors, (130), 126 states have call successors, (130) [2024-12-02 08:27:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 882 transitions. [2024-12-02 08:27:10,408 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 882 transitions. Word has length 35 [2024-12-02 08:27:10,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:27:10,408 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 882 transitions. [2024-12-02 08:27:10,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 08:27:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 882 transitions. [2024-12-02 08:27:10,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-02 08:27:10,411 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:27:10,411 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:27:10,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:27:10,411 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:27:10,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:27:10,412 INFO L85 PathProgramCache]: Analyzing trace with hash 2042105317, now seen corresponding path program 1 times [2024-12-02 08:27:10,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:27:10,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754369208] [2024-12-02 08:27:10,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:27:10,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:27:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:27:10,429 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:27:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:27:10,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:27:10,458 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:27:10,459 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:27:10,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:27:10,463 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 08:27:10,494 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:27:10,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:27:10 BoogieIcfgContainer [2024-12-02 08:27:10,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:27:10,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:27:10,498 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:27:10,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:27:10,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:27:09" (3/4) ... [2024-12-02 08:27:10,499 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 08:27:10,551 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 31. [2024-12-02 08:27:10,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:27:10,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:27:10,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:27:10,613 INFO L158 Benchmark]: Toolchain (without parser) took 2312.58ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 78.1MB in the end (delta: 38.6MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2024-12-02 08:27:10,613 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:27:10,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.70ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 97.2MB in the end (delta: 19.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:27:10,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.37ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:27:10,614 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:27:10,614 INFO L158 Benchmark]: RCFGBuilder took 392.10ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 74.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:27:10,614 INFO L158 Benchmark]: TraceAbstraction took 1376.73ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 85.6MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:27:10,614 INFO L158 Benchmark]: Witness Printer took 114.51ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 78.1MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:27:10,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.70ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 97.2MB in the end (delta: 19.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.37ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.10ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 74.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1376.73ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 85.6MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.51ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 78.1MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. 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] * 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; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [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); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [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] [L379] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L385] tmp = __VERIFIER_nondet_int() [L387] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=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, 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, 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 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [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); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [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); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [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); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [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, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 428 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 424 mSDsluCounter, 1825 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1204 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 621 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=667occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-12-02 08:27:10,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04cffe9d-04d6-4711-993b-67c3b624a64d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE