./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:07:36,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:07:36,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:07:36,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:07:36,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:07:36,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:07:36,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:07:36,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:07:36,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:07:36,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:07:36,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:07:36,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:07:36,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:07:36,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:07:36,282 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:07:36,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:07:36,283 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:07:36,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:07:36,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:07:36,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:07:36,286 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:07:36,286 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:07:36,286 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:07:36,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:07:36,287 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:07:36,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:07:36,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:07:36,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:07:36,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:07:36,288 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:07:36,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:07:36,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:07:36,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:07:36,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:07:36,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:07:36,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:07:36,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:07:36,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:07:36,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:07:36,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:07:36,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:07:36,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:07:36,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a900e47bcb0579a731ecfed3c71b01054e5f0917c7f65049265d17494d326436 [2024-11-10 18:07:36,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:07:36,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:07:36,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:07:36,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:07:36,562 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:07:36,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-10 18:07:37,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:07:38,179 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:07:38,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-10 18:07:38,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3022510c3/d57fcde9fc614b93a7e32508002e2019/FLAG92c8a55ed [2024-11-10 18:07:38,216 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3022510c3/d57fcde9fc614b93a7e32508002e2019 [2024-11-10 18:07:38,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:07:38,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:07:38,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:07:38,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:07:38,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:07:38,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14de3a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38, skipping insertion in model container [2024-11-10 18:07:38,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:07:38,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:07:38,581 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:07:38,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:07:38,658 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:07:38,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38 WrapperNode [2024-11-10 18:07:38,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:07:38,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:07:38,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:07:38,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:07:38,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,697 INFO L138 Inliner]: procedures = 162, calls = 43, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 88 [2024-11-10 18:07:38,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:07:38,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:07:38,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:07:38,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:07:38,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,736 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-10 18:07:38,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,749 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:07:38,756 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:07:38,756 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:07:38,756 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:07:38,757 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (1/1) ... [2024-11-10 18:07:38,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:07:38,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:07:38,788 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) [2024-11-10 18:07:38,791 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 [2024-11-10 18:07:38,830 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-10 18:07:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-10 18:07:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 18:07:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:07:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:07:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:07:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 18:07:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 18:07:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 18:07:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:07:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:07:38,835 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:07:39,032 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:07:39,034 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:07:39,256 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:07:39,257 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:07:39,378 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:07:39,379 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:07:39,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:39 BoogieIcfgContainer [2024-11-10 18:07:39,379 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:07:39,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:07:39,381 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:07:39,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:07:39,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:07:38" (1/3) ... [2024-11-10 18:07:39,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f78a6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:07:39, skipping insertion in model container [2024-11-10 18:07:39,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:07:38" (2/3) ... [2024-11-10 18:07:39,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f78a6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:07:39, skipping insertion in model container [2024-11-10 18:07:39,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:39" (3/3) ... [2024-11-10 18:07:39,386 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2024-11-10 18:07:39,399 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:07:39,399 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-10 18:07:39,399 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:07:39,445 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 18:07:39,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 61 transitions, 129 flow [2024-11-10 18:07:39,494 INFO L124 PetriNetUnfolderBase]: 6/60 cut-off events. [2024-11-10 18:07:39,494 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 18:07:39,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 60 events. 6/60 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2024-11-10 18:07:39,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 61 transitions, 129 flow [2024-11-10 18:07:39,499 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 59 transitions, 124 flow [2024-11-10 18:07:39,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:07:39,511 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=None, 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;@6d9f1574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:07:39,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-10 18:07:39,517 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:07:39,517 INFO L124 PetriNetUnfolderBase]: 2/23 cut-off events. [2024-11-10 18:07:39,518 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:07:39,518 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:39,518 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:07:39,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2024-11-10 18:07:39,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:39,523 INFO L85 PathProgramCache]: Analyzing trace with hash -945264488, now seen corresponding path program 1 times [2024-11-10 18:07:39,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:39,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158034964] [2024-11-10 18:07:39,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:39,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:07:39,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:07:39,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:07:39,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158034964] [2024-11-10 18:07:39,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158034964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:07:39,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:07:39,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:07:39,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015092850] [2024-11-10 18:07:39,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:07:39,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:07:39,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:07:39,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:07:39,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:07:39,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 61 [2024-11-10 18:07:39,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 124 flow. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-10 18:07:39,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:07:39,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 61 [2024-11-10 18:07:39,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:07:40,033 INFO L124 PetriNetUnfolderBase]: 177/480 cut-off events. [2024-11-10 18:07:40,033 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 18:07:40,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 874 conditions, 480 events. 177/480 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2326 event pairs, 81 based on Foata normal form. 48/503 useless extension candidates. Maximal degree in co-relation 859. Up to 172 conditions per place. [2024-11-10 18:07:40,040 INFO L140 encePairwiseOnDemand]: 45/61 looper letters, 47 selfloop transitions, 15 changer transitions 0/79 dead transitions. [2024-11-10 18:07:40,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 79 transitions, 288 flow [2024-11-10 18:07:40,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:07:40,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:07:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2024-11-10 18:07:40,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5377049180327869 [2024-11-10 18:07:40,056 INFO L175 Difference]: Start difference. First operand has 57 places, 59 transitions, 124 flow. Second operand 5 states and 164 transitions. [2024-11-10 18:07:40,057 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 79 transitions, 288 flow [2024-11-10 18:07:40,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 79 transitions, 284 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:07:40,063 INFO L231 Difference]: Finished difference. Result has 60 places, 58 transitions, 186 flow [2024-11-10 18:07:40,070 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=186, PETRI_PLACES=60, PETRI_TRANSITIONS=58} [2024-11-10 18:07:40,074 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 3 predicate places. [2024-11-10 18:07:40,074 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 58 transitions, 186 flow [2024-11-10 18:07:40,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2024-11-10 18:07:40,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:40,075 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:07:40,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:07:40,076 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2024-11-10 18:07:40,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:40,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2133331456, now seen corresponding path program 1 times [2024-11-10 18:07:40,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:40,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431960762] [2024-11-10 18:07:40,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:40,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:07:40,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:07:40,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:07:40,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431960762] [2024-11-10 18:07:40,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431960762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:07:40,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:07:40,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:07:40,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951151606] [2024-11-10 18:07:40,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:07:40,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:07:40,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:07:40,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:07:40,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:07:40,224 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 61 [2024-11-10 18:07:40,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 58 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-10 18:07:40,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:07:40,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 61 [2024-11-10 18:07:40,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:07:40,519 INFO L124 PetriNetUnfolderBase]: 180/475 cut-off events. [2024-11-10 18:07:40,519 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2024-11-10 18:07:40,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1077 conditions, 475 events. 180/475 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2325 event pairs, 42 based on Foata normal form. 10/484 useless extension candidates. Maximal degree in co-relation 876. Up to 242 conditions per place. [2024-11-10 18:07:40,523 INFO L140 encePairwiseOnDemand]: 52/61 looper letters, 52 selfloop transitions, 19 changer transitions 0/88 dead transitions. [2024-11-10 18:07:40,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 430 flow [2024-11-10 18:07:40,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:07:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:07:40,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 153 transitions. [2024-11-10 18:07:40,525 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5016393442622951 [2024-11-10 18:07:40,525 INFO L175 Difference]: Start difference. First operand has 60 places, 58 transitions, 186 flow. Second operand 5 states and 153 transitions. [2024-11-10 18:07:40,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 430 flow [2024-11-10 18:07:40,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 88 transitions, 430 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 18:07:40,530 INFO L231 Difference]: Finished difference. Result has 67 places, 66 transitions, 308 flow [2024-11-10 18:07:40,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=308, PETRI_PLACES=67, PETRI_TRANSITIONS=66} [2024-11-10 18:07:40,530 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 10 predicate places. [2024-11-10 18:07:40,531 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 308 flow [2024-11-10 18:07:40,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-10 18:07:40,531 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:40,531 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:07:40,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:07:40,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2024-11-10 18:07:40,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:40,532 INFO L85 PathProgramCache]: Analyzing trace with hash 396980421, now seen corresponding path program 1 times [2024-11-10 18:07:40,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:40,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887950152] [2024-11-10 18:07:40,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:40,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:07:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:07:40,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:07:40,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887950152] [2024-11-10 18:07:40,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887950152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:07:40,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:07:40,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:07:40,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984426115] [2024-11-10 18:07:40,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:07:40,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:07:40,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:07:40,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:07:40,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:07:40,618 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 61 [2024-11-10 18:07:40,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 308 flow. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-11-10 18:07:40,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:07:40,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 61 [2024-11-10 18:07:40,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:07:40,738 INFO L124 PetriNetUnfolderBase]: 183/476 cut-off events. [2024-11-10 18:07:40,738 INFO L125 PetriNetUnfolderBase]: For 367/367 co-relation queries the response was YES. [2024-11-10 18:07:40,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1286 conditions, 476 events. 183/476 cut-off events. For 367/367 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2261 event pairs, 42 based on Foata normal form. 17/492 useless extension candidates. Maximal degree in co-relation 961. Up to 212 conditions per place. [2024-11-10 18:07:40,742 INFO L140 encePairwiseOnDemand]: 51/61 looper letters, 57 selfloop transitions, 16 changer transitions 0/88 dead transitions. [2024-11-10 18:07:40,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 88 transitions, 537 flow [2024-11-10 18:07:40,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:07:40,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:07:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 171 transitions. [2024-11-10 18:07:40,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4672131147540984 [2024-11-10 18:07:40,744 INFO L175 Difference]: Start difference. First operand has 67 places, 66 transitions, 308 flow. Second operand 6 states and 171 transitions. [2024-11-10 18:07:40,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 88 transitions, 537 flow [2024-11-10 18:07:40,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 88 transitions, 530 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-10 18:07:40,749 INFO L231 Difference]: Finished difference. Result has 72 places, 69 transitions, 409 flow [2024-11-10 18:07:40,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=409, PETRI_PLACES=72, PETRI_TRANSITIONS=69} [2024-11-10 18:07:40,750 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 15 predicate places. [2024-11-10 18:07:40,750 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 69 transitions, 409 flow [2024-11-10 18:07:40,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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) [2024-11-10 18:07:40,750 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:40,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:07:40,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:07:40,751 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2024-11-10 18:07:40,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:40,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1450787443, now seen corresponding path program 1 times [2024-11-10 18:07:40,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:40,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558809222] [2024-11-10 18:07:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:07:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:07:40,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:07:40,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558809222] [2024-11-10 18:07:40,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558809222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:07:40,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:07:40,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:07:40,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592701558] [2024-11-10 18:07:40,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:07:40,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:07:40,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:07:40,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:07:40,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:07:40,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 61 [2024-11-10 18:07:40,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 69 transitions, 409 flow. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-10 18:07:40,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:07:40,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 61 [2024-11-10 18:07:40,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:07:40,989 INFO L124 PetriNetUnfolderBase]: 180/456 cut-off events. [2024-11-10 18:07:40,989 INFO L125 PetriNetUnfolderBase]: For 783/783 co-relation queries the response was YES. [2024-11-10 18:07:40,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 456 events. 180/456 cut-off events. For 783/783 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2091 event pairs, 28 based on Foata normal form. 4/459 useless extension candidates. Maximal degree in co-relation 1064. Up to 118 conditions per place. [2024-11-10 18:07:41,021 INFO L140 encePairwiseOnDemand]: 50/61 looper letters, 61 selfloop transitions, 23 changer transitions 0/97 dead transitions. [2024-11-10 18:07:41,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 97 transitions, 663 flow [2024-11-10 18:07:41,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:07:41,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-10 18:07:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 224 transitions. [2024-11-10 18:07:41,024 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45901639344262296 [2024-11-10 18:07:41,024 INFO L175 Difference]: Start difference. First operand has 72 places, 69 transitions, 409 flow. Second operand 8 states and 224 transitions. [2024-11-10 18:07:41,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 97 transitions, 663 flow [2024-11-10 18:07:41,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 97 transitions, 627 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 18:07:41,029 INFO L231 Difference]: Finished difference. Result has 72 places, 67 transitions, 417 flow [2024-11-10 18:07:41,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=417, PETRI_PLACES=72, PETRI_TRANSITIONS=67} [2024-11-10 18:07:41,030 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 15 predicate places. [2024-11-10 18:07:41,030 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 67 transitions, 417 flow [2024-11-10 18:07:41,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-10 18:07:41,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:41,031 INFO L204 CegarLoopForPetriNet]: 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] [2024-11-10 18:07:41,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:07:41,031 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2024-11-10 18:07:41,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:41,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1238916740, now seen corresponding path program 1 times [2024-11-10 18:07:41,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:41,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890792044] [2024-11-10 18:07:41,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:41,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:07:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:07:41,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:07:41,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890792044] [2024-11-10 18:07:41,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890792044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:07:41,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:07:41,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:07:41,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421821318] [2024-11-10 18:07:41,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:07:41,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:07:41,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:07:41,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:07:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:07:41,144 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 61 [2024-11-10 18:07:41,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 67 transitions, 417 flow. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-11-10 18:07:41,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:07:41,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 61 [2024-11-10 18:07:41,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:07:41,227 INFO L124 PetriNetUnfolderBase]: 90/307 cut-off events. [2024-11-10 18:07:41,228 INFO L125 PetriNetUnfolderBase]: For 461/461 co-relation queries the response was YES. [2024-11-10 18:07:41,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 307 events. 90/307 cut-off events. For 461/461 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1329 event pairs, 27 based on Foata normal form. 23/327 useless extension candidates. Maximal degree in co-relation 585. Up to 134 conditions per place. [2024-11-10 18:07:41,229 INFO L140 encePairwiseOnDemand]: 50/61 looper letters, 46 selfloop transitions, 11 changer transitions 0/79 dead transitions. [2024-11-10 18:07:41,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 79 transitions, 556 flow [2024-11-10 18:07:41,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:07:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:07:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 136 transitions. [2024-11-10 18:07:41,231 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5573770491803278 [2024-11-10 18:07:41,231 INFO L175 Difference]: Start difference. First operand has 72 places, 67 transitions, 417 flow. Second operand 4 states and 136 transitions. [2024-11-10 18:07:41,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 79 transitions, 556 flow [2024-11-10 18:07:41,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 79 transitions, 467 flow, removed 4 selfloop flow, removed 9 redundant places. [2024-11-10 18:07:41,235 INFO L231 Difference]: Finished difference. Result has 67 places, 65 transitions, 330 flow [2024-11-10 18:07:41,235 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=330, PETRI_PLACES=67, PETRI_TRANSITIONS=65} [2024-11-10 18:07:41,236 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 10 predicate places. [2024-11-10 18:07:41,236 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 65 transitions, 330 flow [2024-11-10 18:07:41,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-11-10 18:07:41,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:41,236 INFO L204 CegarLoopForPetriNet]: 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] [2024-11-10 18:07:41,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:07:41,237 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2024-11-10 18:07:41,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:41,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1626595862, now seen corresponding path program 1 times [2024-11-10 18:07:41,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:41,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896409203] [2024-11-10 18:07:41,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:41,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:07:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:07:41,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:07:41,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896409203] [2024-11-10 18:07:41,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896409203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:07:41,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:07:41,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:07:41,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724083278] [2024-11-10 18:07:41,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:07:41,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:07:41,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:07:41,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:07:41,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:07:41,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 61 [2024-11-10 18:07:41,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 65 transitions, 330 flow. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 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) [2024-11-10 18:07:41,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:07:41,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 61 [2024-11-10 18:07:41,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:07:41,436 INFO L124 PetriNetUnfolderBase]: 56/220 cut-off events. [2024-11-10 18:07:41,436 INFO L125 PetriNetUnfolderBase]: For 207/207 co-relation queries the response was YES. [2024-11-10 18:07:41,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 220 events. 56/220 cut-off events. For 207/207 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 747 event pairs, 10 based on Foata normal form. 12/232 useless extension candidates. Maximal degree in co-relation 348. Up to 105 conditions per place. [2024-11-10 18:07:41,438 INFO L140 encePairwiseOnDemand]: 56/61 looper letters, 44 selfloop transitions, 6 changer transitions 0/71 dead transitions. [2024-11-10 18:07:41,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 71 transitions, 455 flow [2024-11-10 18:07:41,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:07:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:07:41,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 123 transitions. [2024-11-10 18:07:41,439 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5040983606557377 [2024-11-10 18:07:41,439 INFO L175 Difference]: Start difference. First operand has 67 places, 65 transitions, 330 flow. Second operand 4 states and 123 transitions. [2024-11-10 18:07:41,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 71 transitions, 455 flow [2024-11-10 18:07:41,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 71 transitions, 450 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-10 18:07:41,442 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 300 flow [2024-11-10 18:07:41,442 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=300, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2024-11-10 18:07:41,443 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 12 predicate places. [2024-11-10 18:07:41,443 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 300 flow [2024-11-10 18:07:41,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 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) [2024-11-10 18:07:41,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:41,443 INFO L204 CegarLoopForPetriNet]: 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] [2024-11-10 18:07:41,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:07:41,444 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2024-11-10 18:07:41,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:41,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1363759285, now seen corresponding path program 1 times [2024-11-10 18:07:41,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:41,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3710144] [2024-11-10 18:07:41,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:41,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:07:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:07:41,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:07:41,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3710144] [2024-11-10 18:07:41,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3710144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:07:41,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:07:41,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:07:41,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994038064] [2024-11-10 18:07:41,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:07:41,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:07:41,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:07:41,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:07:41,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:07:41,569 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 61 [2024-11-10 18:07:41,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 300 flow. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2024-11-10 18:07:41,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:07:41,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 61 [2024-11-10 18:07:41,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:07:41,668 INFO L124 PetriNetUnfolderBase]: 64/222 cut-off events. [2024-11-10 18:07:41,668 INFO L125 PetriNetUnfolderBase]: For 193/193 co-relation queries the response was YES. [2024-11-10 18:07:41,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 222 events. 64/222 cut-off events. For 193/193 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 745 event pairs, 29 based on Foata normal form. 2/222 useless extension candidates. Maximal degree in co-relation 407. Up to 107 conditions per place. [2024-11-10 18:07:41,670 INFO L140 encePairwiseOnDemand]: 53/61 looper letters, 40 selfloop transitions, 13 changer transitions 0/64 dead transitions. [2024-11-10 18:07:41,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 64 transitions, 427 flow [2024-11-10 18:07:41,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:07:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:07:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 152 transitions. [2024-11-10 18:07:41,671 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41530054644808745 [2024-11-10 18:07:41,672 INFO L175 Difference]: Start difference. First operand has 69 places, 59 transitions, 300 flow. Second operand 6 states and 152 transitions. [2024-11-10 18:07:41,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 64 transitions, 427 flow [2024-11-10 18:07:41,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 64 transitions, 415 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:07:41,674 INFO L231 Difference]: Finished difference. Result has 68 places, 56 transitions, 308 flow [2024-11-10 18:07:41,675 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=308, PETRI_PLACES=68, PETRI_TRANSITIONS=56} [2024-11-10 18:07:41,675 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 11 predicate places. [2024-11-10 18:07:41,676 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 56 transitions, 308 flow [2024-11-10 18:07:41,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2024-11-10 18:07:41,676 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:07:41,676 INFO L204 CegarLoopForPetriNet]: 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, 1, 1, 1, 1] [2024-11-10 18:07:41,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:07:41,677 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (and 2 more)] === [2024-11-10 18:07:41,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:07:41,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2105959825, now seen corresponding path program 1 times [2024-11-10 18:07:41,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:07:41,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436660576] [2024-11-10 18:07:41,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:07:41,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:07:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:07:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:07:41,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:07:41,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436660576] [2024-11-10 18:07:41,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436660576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:07:41,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:07:41,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:07:41,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102757247] [2024-11-10 18:07:41,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:07:41,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:07:41,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:07:41,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:07:41,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:07:41,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 61 [2024-11-10 18:07:41,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 56 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-11-10 18:07:41,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:07:41,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 61 [2024-11-10 18:07:41,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:07:41,800 INFO L124 PetriNetUnfolderBase]: 55/212 cut-off events. [2024-11-10 18:07:41,800 INFO L125 PetriNetUnfolderBase]: For 240/240 co-relation queries the response was YES. [2024-11-10 18:07:41,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 212 events. 55/212 cut-off events. For 240/240 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 722 event pairs, 47 based on Foata normal form. 1/211 useless extension candidates. Maximal degree in co-relation 261. Up to 165 conditions per place. [2024-11-10 18:07:41,801 INFO L140 encePairwiseOnDemand]: 59/61 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2024-11-10 18:07:41,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 55 transitions, 380 flow [2024-11-10 18:07:41,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:07:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:07:41,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions. [2024-11-10 18:07:41,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4808743169398907 [2024-11-10 18:07:41,803 INFO L175 Difference]: Start difference. First operand has 68 places, 56 transitions, 308 flow. Second operand 3 states and 88 transitions. [2024-11-10 18:07:41,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 55 transitions, 380 flow [2024-11-10 18:07:41,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 55 transitions, 369 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:07:41,805 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2024-11-10 18:07:41,806 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2024-11-10 18:07:41,807 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 9 predicate places. [2024-11-10 18:07:41,807 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2024-11-10 18:07:41,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-11-10 18:07:41,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-10 18:07:41,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-10 18:07:41,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 5 remaining) [2024-11-10 18:07:41,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 5 remaining) [2024-11-10 18:07:41,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-10 18:07:41,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:07:41,814 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:07:41,818 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 18:07:41,818 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 18:07:41,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:07:41 BasicIcfg [2024-11-10 18:07:41,826 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 18:07:41,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 18:07:41,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 18:07:41,828 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 18:07:41,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:07:39" (3/4) ... [2024-11-10 18:07:41,830 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 18:07:41,834 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-11-10 18:07:41,838 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-10 18:07:41,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 18:07:41,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 18:07:41,839 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 18:07:41,914 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 18:07:41,915 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 18:07:41,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 18:07:41,915 INFO L158 Benchmark]: Toolchain (without parser) took 3694.26ms. Allocated memory was 205.5MB in the beginning and 291.5MB in the end (delta: 86.0MB). Free memory was 136.3MB in the beginning and 178.4MB in the end (delta: -42.1MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-10 18:07:41,916 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 18:07:41,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.46ms. Allocated memory is still 205.5MB. Free memory was 136.0MB in the beginning and 113.7MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:41,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.51ms. Allocated memory is still 205.5MB. Free memory was 113.7MB in the beginning and 111.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:41,918 INFO L158 Benchmark]: Boogie Preprocessor took 57.63ms. Allocated memory is still 205.5MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 18:07:41,918 INFO L158 Benchmark]: IcfgBuilder took 623.47ms. Allocated memory is still 205.5MB. Free memory was 109.3MB in the beginning and 148.4MB in the end (delta: -39.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-10 18:07:41,918 INFO L158 Benchmark]: TraceAbstraction took 2444.43ms. Allocated memory was 205.5MB in the beginning and 291.5MB in the end (delta: 86.0MB). Free memory was 148.4MB in the beginning and 182.6MB in the end (delta: -34.2MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-10 18:07:41,918 INFO L158 Benchmark]: Witness Printer took 88.80ms. Allocated memory is still 291.5MB. Free memory was 182.6MB in the beginning and 178.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 18:07:41,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.46ms. Allocated memory is still 205.5MB. Free memory was 136.0MB in the beginning and 113.7MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.51ms. Allocated memory is still 205.5MB. Free memory was 113.7MB in the beginning and 111.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.63ms. Allocated memory is still 205.5MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 623.47ms. Allocated memory is still 205.5MB. Free memory was 109.3MB in the beginning and 148.4MB in the end (delta: -39.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2444.43ms. Allocated memory was 205.5MB in the beginning and 291.5MB in the end (delta: 86.0MB). Free memory was 148.4MB in the beginning and 182.6MB in the end (delta: -34.2MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Witness Printer took 88.80ms. Allocated memory is still 291.5MB. Free memory was 182.6MB in the beginning and 178.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 696]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 71 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 301 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 769 IncrementalHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 6 mSDtfsCounter, 769 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=4, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 18:07:41,942 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