./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:15:25,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:15:25,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:15:25,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:15:25,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:15:25,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:15:25,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:15:25,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:15:25,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:15:25,965 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:15:25,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:15:25,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:15:25,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:15:25,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:15:25,969 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:15:25,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:15:25,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:15:25,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:15:25,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:15:25,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:15:25,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:15:25,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:15:25,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:15:25,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:15:25,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:15:25,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:15:25,975 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:15:25,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:15:25,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:15:25,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:15:25,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:15:25,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:15:25,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:15:25,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:15:25,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:15:25,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:15:25,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:15:25,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:15:25,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:15:25,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:15:25,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:15:25,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:15:25,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:15:25,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:15:25,980 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10aecdd717bb6691571ad1da0b912f030832fb85361f767ea82293acfe046216 [2024-11-22 22:15:26,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:15:26,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:15:26,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:15:26,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:15:26,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:15:26,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2024-11-22 22:15:27,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:15:27,862 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:15:27,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_mutex_unbounded-1.i [2024-11-22 22:15:27,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08eeba141/aca9b15e40324e4a8dabfb6e2c521c7a/FLAGf2f0ff68f [2024-11-22 22:15:27,896 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08eeba141/aca9b15e40324e4a8dabfb6e2c521c7a [2024-11-22 22:15:27,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:15:27,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:15:27,902 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:15:27,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:15:27,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:15:27,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:15:27" (1/1) ... [2024-11-22 22:15:27,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f0e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:27, skipping insertion in model container [2024-11-22 22:15:27,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:15:27" (1/1) ... [2024-11-22 22:15:27,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:15:28,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:15:28,376 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:15:28,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:15:28,467 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:15:28,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28 WrapperNode [2024-11-22 22:15:28,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:15:28,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:15:28,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:15:28,469 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:15:28,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,518 INFO L138 Inliner]: procedures = 142, calls = 65, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 188 [2024-11-22 22:15:28,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:15:28,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:15:28,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:15:28,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:15:28,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,591 INFO L175 MemorySlicer]: Split 28 memory accesses to 2 slices as follows [2, 26]. 93 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 4]. The 7 writes are split as follows [0, 7]. [2024-11-22 22:15:28,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:15:28,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:15:28,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:15:28,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:15:28,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (1/1) ... [2024-11-22 22:15:28,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:15:28,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:15:28,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 22:15:28,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 22:15:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-22 22:15:28,718 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-22 22:15:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2024-11-22 22:15:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2024-11-22 22:15:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2024-11-22 22:15:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2024-11-22 22:15:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 22:15:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:15:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 22:15:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 22:15:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2024-11-22 22:15:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2024-11-22 22:15:28,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 22:15:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 22:15:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 22:15:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 22:15:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 22:15:28,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:15:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 22:15:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2024-11-22 22:15:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2024-11-22 22:15:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:15:28,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:15:28,914 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:15:28,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:15:29,222 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-22 22:15:29,222 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:15:29,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:15:29,234 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-22 22:15:29,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:15:29 BoogieIcfgContainer [2024-11-22 22:15:29,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:15:29,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:15:29,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:15:29,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:15:29,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:15:27" (1/3) ... [2024-11-22 22:15:29,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c289cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:15:29, skipping insertion in model container [2024-11-22 22:15:29,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:15:28" (2/3) ... [2024-11-22 22:15:29,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c289cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:15:29, skipping insertion in model container [2024-11-22 22:15:29,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:15:29" (3/3) ... [2024-11-22 22:15:29,244 INFO L112 eAbstractionObserver]: Analyzing ICFG test_mutex_unbounded-1.i [2024-11-22 22:15:29,259 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:15:29,260 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-22 22:15:29,308 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:15:29,314 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;@3ed39225, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:15:29,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-22 22:15:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 64 states have internal predecessors, (82), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:15:29,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-22 22:15:29,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:15:29,327 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:15:29,327 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-22 22:15:29,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:15:29,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1920456670, now seen corresponding path program 1 times [2024-11-22 22:15:29,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:15:29,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086753612] [2024-11-22 22:15:29,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:15:29,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:15:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:15:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:15:29,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:15:29,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086753612] [2024-11-22 22:15:29,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086753612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:15:29,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:15:29,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:15:29,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567919642] [2024-11-22 22:15:29,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:15:29,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:15:29,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:15:29,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:15:29,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:15:29,780 INFO L87 Difference]: Start difference. First operand has 81 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 64 states have internal predecessors, (82), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:15:29,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:15:29,854 INFO L93 Difference]: Finished difference Result 162 states and 221 transitions. [2024-11-22 22:15:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:15:29,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-11-22 22:15:29,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:15:29,861 INFO L225 Difference]: With dead ends: 162 [2024-11-22 22:15:29,861 INFO L226 Difference]: Without dead ends: 34 [2024-11-22 22:15:29,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:15:29,867 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 1 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:15:29,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 245 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:15:29,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-22 22:15:29,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-22 22:15:29,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 25 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:15:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2024-11-22 22:15:29,896 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 23 [2024-11-22 22:15:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:15:29,897 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2024-11-22 22:15:29,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:15:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2024-11-22 22:15:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 22:15:29,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:15:29,899 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 22:15:29,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:15:29,900 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-22 22:15:29,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:15:29,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2019855764, now seen corresponding path program 1 times [2024-11-22 22:15:29,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:15:29,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043205550] [2024-11-22 22:15:29,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:15:29,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:15:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:15:30,228 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:15:30,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:15:30,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043205550] [2024-11-22 22:15:30,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043205550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:15:30,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799136432] [2024-11-22 22:15:30,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:15:30,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:15:30,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:15:30,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:15:30,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:15:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:15:30,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:15:30,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:15:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:15:30,537 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:15:30,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799136432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:15:30,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:15:30,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-22 22:15:30,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136206308] [2024-11-22 22:15:30,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:15:30,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:15:30,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:15:30,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:15:30,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:15:30,544 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 22:15:30,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:15:30,584 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2024-11-22 22:15:30,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:15:30,585 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 44 [2024-11-22 22:15:30,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:15:30,587 INFO L225 Difference]: With dead ends: 34 [2024-11-22 22:15:30,587 INFO L226 Difference]: Without dead ends: 33 [2024-11-22 22:15:30,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:15:30,589 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:15:30,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:15:30,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-22 22:15:30,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-22 22:15:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:15:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2024-11-22 22:15:30,600 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 44 [2024-11-22 22:15:30,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:15:30,601 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2024-11-22 22:15:30,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 22:15:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2024-11-22 22:15:30,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:15:30,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:15:30,605 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-22 22:15:30,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:15:30,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:15:30,811 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-22 22:15:30,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:15:30,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1808980682, now seen corresponding path program 1 times [2024-11-22 22:15:30,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:15:30,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319690745] [2024-11-22 22:15:30,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:15:30,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:15:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:15:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:15:31,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:15:31,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319690745] [2024-11-22 22:15:31,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319690745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:15:31,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106488194] [2024-11-22 22:15:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:15:31,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:15:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:15:31,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:15:31,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:15:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:15:31,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:15:31,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:15:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:15:31,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:15:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:15:31,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106488194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:15:31,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:15:31,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-22 22:15:31,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747992] [2024-11-22 22:15:31,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:15:31,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:15:31,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:15:31,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:15:31,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:15:31,397 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 6 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-22 22:15:31,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:15:31,485 INFO L93 Difference]: Finished difference Result 58 states and 68 transitions. [2024-11-22 22:15:31,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:15:31,486 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 6 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 45 [2024-11-22 22:15:31,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:15:31,488 INFO L225 Difference]: With dead ends: 58 [2024-11-22 22:15:31,488 INFO L226 Difference]: Without dead ends: 57 [2024-11-22 22:15:31,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:15:31,489 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:15:31,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:15:31,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-22 22:15:31,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-22 22:15:31,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:15:31,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 65 transitions. [2024-11-22 22:15:31,506 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 65 transitions. Word has length 45 [2024-11-22 22:15:31,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:15:31,506 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 65 transitions. [2024-11-22 22:15:31,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 12 states have internal predecessors, (44), 6 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-22 22:15:31,507 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2024-11-22 22:15:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-22 22:15:31,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:15:31,508 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2024-11-22 22:15:31,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:15:31,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-22 22:15:31,713 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-22 22:15:31,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:15:31,714 INFO L85 PathProgramCache]: Analyzing trace with hash -125090328, now seen corresponding path program 2 times [2024-11-22 22:15:31,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:15:31,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718915812] [2024-11-22 22:15:31,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:15:31,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:15:31,788 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:15:31,788 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:15:31,842 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-22 22:15:31,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:15:31,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718915812] [2024-11-22 22:15:31,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718915812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:15:31,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366532983] [2024-11-22 22:15:31,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:15:31,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:15:31,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:15:31,847 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:15:31,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:15:32,037 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 22:15:32,038 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:15:32,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:15:32,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:15:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-22 22:15:32,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:15:32,258 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-22 22:15:32,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366532983] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:15:32,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:15:32,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-22 22:15:32,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771295744] [2024-11-22 22:15:32,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:15:32,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:15:32,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:15:32,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:15:32,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:15:32,262 INFO L87 Difference]: Start difference. First operand 57 states and 65 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 22:15:32,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:15:32,294 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2024-11-22 22:15:32,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:15:32,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 108 [2024-11-22 22:15:32,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:15:32,299 INFO L225 Difference]: With dead ends: 57 [2024-11-22 22:15:32,299 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:15:32,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:15:32,300 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:15:32,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:15:32,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:15:32,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:15:32,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:15:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:15:32,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2024-11-22 22:15:32,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:15:32,303 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:15:32,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-22 22:15:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:15:32,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:15:32,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-22 22:15:32,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-22 22:15:32,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:15:32,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:15:32,516 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2024-11-22 22:15:32,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:15:32,628 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 22:15:32,649 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 22:15:32,650 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 22:15:32,651 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 22:15:32,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 22:15:32,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 22:15:32,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 22:15:32,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function ldv_list_add [2024-11-22 22:15:32,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function ldv_list_add [2024-11-22 22:15:32,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 22:15:32,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 22:15:32,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 22:15:32,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 22:15:32,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 22:15:32,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 22:15:32,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-22 22:15:32,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-22 22:15:32,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-22 22:15:32,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function __ldv_list_add [2024-11-22 22:15:32,662 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function __ldv_list_add [2024-11-22 22:15:32,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:15:32 BoogieIcfgContainer [2024-11-22 22:15:32,662 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 22:15:32,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 22:15:32,667 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 22:15:32,667 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 22:15:32,667 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:15:29" (3/4) ... [2024-11-22 22:15:32,670 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 22:15:32,673 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2024-11-22 22:15:32,673 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2024-11-22 22:15:32,673 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_in_set [2024-11-22 22:15:32,674 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_successful_malloc [2024-11-22 22:15:32,674 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2024-11-22 22:15:32,681 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-22 22:15:32,682 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-22 22:15:32,682 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:15:32,682 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 22:15:32,795 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 22:15:32,798 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 22:15:32,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 22:15:32,799 INFO L158 Benchmark]: Toolchain (without parser) took 4897.29ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 104.0MB in the beginning and 84.2MB in the end (delta: 19.8MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2024-11-22 22:15:32,799 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 159.4MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 22:15:32,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.68ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 80.2MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-22 22:15:32,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.30ms. Allocated memory is still 159.4MB. Free memory was 80.2MB in the beginning and 77.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 22:15:32,800 INFO L158 Benchmark]: Boogie Preprocessor took 103.29ms. Allocated memory is still 159.4MB. Free memory was 77.7MB in the beginning and 71.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 22:15:32,800 INFO L158 Benchmark]: RCFGBuilder took 611.72ms. Allocated memory is still 159.4MB. Free memory was 71.4MB in the beginning and 110.5MB in the end (delta: -39.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 22:15:32,801 INFO L158 Benchmark]: TraceAbstraction took 3427.52ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 110.0MB in the beginning and 91.5MB in the end (delta: 18.5MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2024-11-22 22:15:32,801 INFO L158 Benchmark]: Witness Printer took 131.79ms. Allocated memory is still 205.5MB. Free memory was 91.5MB in the beginning and 84.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 22:15:32,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 159.4MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.68ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 80.2MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.30ms. Allocated memory is still 159.4MB. Free memory was 80.2MB in the beginning and 77.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.29ms. Allocated memory is still 159.4MB. Free memory was 77.7MB in the beginning and 71.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 611.72ms. Allocated memory is still 159.4MB. Free memory was 71.4MB in the beginning and 110.5MB in the end (delta: -39.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3427.52ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 110.0MB in the beginning and 91.5MB in the end (delta: 18.5MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Witness Printer took 131.79ms. Allocated memory is still 205.5MB. Free memory was 91.5MB in the beginning and 84.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function ldv_list_add - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function ldv_list_add - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable mutexes by function __ldv_list_add - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable drvlist by function __ldv_list_add * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 693]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 550 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 399 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 151 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 339 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 417 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 971 SizeOfPredicates, 2 NumberOfNonLiveVariables, 890 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 618/733 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (((N <= 2147483647) && (1 <= i)) || ((i == 0) && (N <= 2147483647))) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 566]: Procedure Contract for reach_error Derived contract for procedure reach_error. Ensures: (0 && ((mutexes == \old(mutexes)) && (drvlist == \old(drvlist)))) - ProcedureContractResult [Line: 657]: Procedure Contract for ldv_is_in_set Derived contract for procedure ldv_is_in_set. Ensures: ((mutexes == \old(mutexes)) && (drvlist == \old(drvlist))) - ProcedureContractResult [Line: 579]: Procedure Contract for ldv_successful_malloc Derived contract for procedure ldv_successful_malloc. Ensures: ((mutexes == \old(mutexes)) && (drvlist == \old(drvlist))) RESULT: Ultimate proved your program to be correct! [2024-11-22 22:15:32,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 Result: TRUE