./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.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 ea86164637dd5d5bd9745ca8d3f5dc708b98bc3f75b645830d494ea6e5cae6ff --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:25:20,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:25:20,120 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-22 21:25:20,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:25:20,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:25:20,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:25:20,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:25:20,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:25:20,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:25:20,151 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:25:20,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:25:20,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:25:20,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:25:20,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:25:20,153 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:25:20,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:25:20,153 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:25:20,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:25:20,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:25:20,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:25:20,155 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 21:25:20,155 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 21:25:20,155 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-22 21:25:20,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:25:20,156 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 21:25:20,156 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:25:20,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:25:20,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:25:20,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:25:20,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:25:20,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:25:20,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:25:20,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:25:20,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:25:20,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:25:20,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:25:20,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:25:20,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:25:20,159 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:25:20,159 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:25:20,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:25:20,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:25:20,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea86164637dd5d5bd9745ca8d3f5dc708b98bc3f75b645830d494ea6e5cae6ff [2024-11-22 21:25:20,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:25:20,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:25:20,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:25:20,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:25:20,386 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:25:20,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-22 21:25:21,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:25:21,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:25:21,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-22 21:25:21,836 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0f4d14a/c19123402cba4903bc8daf5baadf3698/FLAGd640d5d3d [2024-11-22 21:25:21,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e0f4d14a/c19123402cba4903bc8daf5baadf3698 [2024-11-22 21:25:21,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:25:21,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:25:21,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:25:21,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:25:21,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:25:21,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:25:21" (1/1) ... [2024-11-22 21:25:21,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6978b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:21, skipping insertion in model container [2024-11-22 21:25:21,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:25:21" (1/1) ... [2024-11-22 21:25:21,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:25:22,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:25:22,236 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:25:22,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:25:22,311 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:25:22,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22 WrapperNode [2024-11-22 21:25:22,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:25:22,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:25:22,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:25:22,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:25:22,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,353 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 120 [2024-11-22 21:25:22,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:25:22,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:25:22,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:25:22,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:25:22,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,369 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,381 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 21:25:22,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:25:22,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:25:22,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:25:22,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:25:22,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (1/1) ... [2024-11-22 21:25:22,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:25:22,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:25:22,423 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 21:25:22,425 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 21:25:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 21:25:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:25:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-22 21:25:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-22 21:25:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-22 21:25:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-22 21:25:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-22 21:25:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-22 21:25:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:25:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 21:25:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:25:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:25:22,460 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 21:25:22,550 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:25:22,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:25:22,785 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 21:25:22,786 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:25:22,929 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:25:22,930 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 21:25:22,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:25:22 BoogieIcfgContainer [2024-11-22 21:25:22,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:25:22,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:25:22,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:25:22,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:25:22,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:25:21" (1/3) ... [2024-11-22 21:25:22,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca2ca30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:25:22, skipping insertion in model container [2024-11-22 21:25:22,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:22" (2/3) ... [2024-11-22 21:25:22,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca2ca30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:25:22, skipping insertion in model container [2024-11-22 21:25:22,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:25:22" (3/3) ... [2024-11-22 21:25:22,940 INFO L112 eAbstractionObserver]: Analyzing ICFG mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-22 21:25:22,953 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:25:22,954 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-22 21:25:22,954 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 21:25:22,997 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 21:25:23,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-11-22 21:25:23,049 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-22 21:25:23,050 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:23,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-11-22 21:25:23,053 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-11-22 21:25:23,057 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-22 21:25:23,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:25:23,069 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;@1aee3744, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:25:23,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 21:25:23,071 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 21:25:23,072 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-22 21:25:23,072 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:23,072 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:23,073 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-22 21:25:23,073 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:23,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:23,078 INFO L85 PathProgramCache]: Analyzing trace with hash 12094334, now seen corresponding path program 1 times [2024-11-22 21:25:23,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:23,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086405307] [2024-11-22 21:25:23,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:23,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:23,442 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 21:25:23,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:23,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086405307] [2024-11-22 21:25:23,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086405307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:23,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:23,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:25:23,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554355278] [2024-11-22 21:25:23,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:23,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:25:23,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:23,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:25:23,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:25:23,476 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-11-22 21:25:23,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 21:25:23,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:23,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-11-22 21:25:23,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:23,820 INFO L124 PetriNetUnfolderBase]: 825/1453 cut-off events. [2024-11-22 21:25:23,820 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-22 21:25:23,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2734 conditions, 1453 events. 825/1453 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8483 event pairs, 457 based on Foata normal form. 96/1535 useless extension candidates. Maximal degree in co-relation 2723. Up to 1009 conditions per place. [2024-11-22 21:25:23,836 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 33 selfloop transitions, 2 changer transitions 2/54 dead transitions. [2024-11-22 21:25:23,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 197 flow [2024-11-22 21:25:23,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:25:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:25:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2024-11-22 21:25:23,846 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7555555555555555 [2024-11-22 21:25:23,847 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 102 transitions. [2024-11-22 21:25:23,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 197 flow [2024-11-22 21:25:23,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 21:25:23,852 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow [2024-11-22 21:25:23,854 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-22 21:25:23,859 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-22 21:25:23,859 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow [2024-11-22 21:25:23,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 21:25:23,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:23,859 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:23,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 21:25:23,860 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:23,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:23,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1893348364, now seen corresponding path program 1 times [2024-11-22 21:25:23,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:23,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096494299] [2024-11-22 21:25:23,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:23,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:23,924 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 21:25:23,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:23,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096494299] [2024-11-22 21:25:23,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096494299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:23,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:23,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:25:23,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231439361] [2024-11-22 21:25:23,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:23,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:25:23,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:23,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:25:23,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:25:23,929 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-11-22 21:25:23,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 21:25:23,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:23,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-11-22 21:25:23,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:24,131 INFO L124 PetriNetUnfolderBase]: 721/1385 cut-off events. [2024-11-22 21:25:24,131 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-11-22 21:25:24,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2605 conditions, 1385 events. 721/1385 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8861 event pairs, 721 based on Foata normal form. 48/1383 useless extension candidates. Maximal degree in co-relation 2595. Up to 1090 conditions per place. [2024-11-22 21:25:24,141 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 18 selfloop transitions, 1 changer transitions 1/36 dead transitions. [2024-11-22 21:25:24,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 122 flow [2024-11-22 21:25:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:25:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:25:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-11-22 21:25:24,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2024-11-22 21:25:24,143 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 3 states and 78 transitions. [2024-11-22 21:25:24,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 122 flow [2024-11-22 21:25:24,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 21:25:24,144 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow [2024-11-22 21:25:24,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-11-22 21:25:24,146 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2024-11-22 21:25:24,146 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow [2024-11-22 21:25:24,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 21:25:24,147 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:24,147 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:24,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 21:25:24,147 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:24,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:24,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1893346815, now seen corresponding path program 1 times [2024-11-22 21:25:24,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:24,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791550161] [2024-11-22 21:25:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:24,337 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 21:25:24,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:24,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791550161] [2024-11-22 21:25:24,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791550161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:24,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:24,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:25:24,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565898322] [2024-11-22 21:25:24,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:24,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:25:24,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:24,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:25:24,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:25:24,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-22 21:25:24,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 21:25:24,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:24,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-22 21:25:24,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:24,764 INFO L124 PetriNetUnfolderBase]: 1879/3143 cut-off events. [2024-11-22 21:25:24,765 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:24,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5973 conditions, 3143 events. 1879/3143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 20185 event pairs, 481 based on Foata normal form. 0/3061 useless extension candidates. Maximal degree in co-relation 5967. Up to 1766 conditions per place. [2024-11-22 21:25:24,778 INFO L140 encePairwiseOnDemand]: 38/45 looper letters, 29 selfloop transitions, 3 changer transitions 46/90 dead transitions. [2024-11-22 21:25:24,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 90 transitions, 346 flow [2024-11-22 21:25:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:25:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:25:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 208 transitions. [2024-11-22 21:25:24,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2024-11-22 21:25:24,781 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 8 states and 208 transitions. [2024-11-22 21:25:24,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 90 transitions, 346 flow [2024-11-22 21:25:24,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 90 transitions, 345 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 21:25:24,783 INFO L231 Difference]: Finished difference. Result has 55 places, 36 transitions, 110 flow [2024-11-22 21:25:24,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=110, PETRI_PLACES=55, PETRI_TRANSITIONS=36} [2024-11-22 21:25:24,785 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 5 predicate places. [2024-11-22 21:25:24,785 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 36 transitions, 110 flow [2024-11-22 21:25:24,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 21:25:24,788 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:24,788 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:24,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 21:25:24,788 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:24,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:24,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1849301856, now seen corresponding path program 1 times [2024-11-22 21:25:24,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:24,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102906615] [2024-11-22 21:25:24,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:24,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:24,935 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 21:25:24,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:24,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102906615] [2024-11-22 21:25:24,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102906615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:24,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:24,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:25:24,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121807779] [2024-11-22 21:25:24,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:24,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:25:24,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:24,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:25:24,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:25:24,943 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-22 21:25:24,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 36 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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 21:25:24,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:24,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-22 21:25:24,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:25,307 INFO L124 PetriNetUnfolderBase]: 1358/2354 cut-off events. [2024-11-22 21:25:25,308 INFO L125 PetriNetUnfolderBase]: For 948/960 co-relation queries the response was YES. [2024-11-22 21:25:25,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5221 conditions, 2354 events. 1358/2354 cut-off events. For 948/960 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 14706 event pairs, 265 based on Foata normal form. 92/2396 useless extension candidates. Maximal degree in co-relation 5209. Up to 1345 conditions per place. [2024-11-22 21:25:25,319 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 27 selfloop transitions, 2 changer transitions 31/75 dead transitions. [2024-11-22 21:25:25,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 75 transitions, 318 flow [2024-11-22 21:25:25,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 21:25:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-22 21:25:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 181 transitions. [2024-11-22 21:25:25,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5746031746031746 [2024-11-22 21:25:25,321 INFO L175 Difference]: Start difference. First operand has 55 places, 36 transitions, 110 flow. Second operand 7 states and 181 transitions. [2024-11-22 21:25:25,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 75 transitions, 318 flow [2024-11-22 21:25:25,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 75 transitions, 305 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-22 21:25:25,333 INFO L231 Difference]: Finished difference. Result has 57 places, 36 transitions, 117 flow [2024-11-22 21:25:25,334 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=117, PETRI_PLACES=57, PETRI_TRANSITIONS=36} [2024-11-22 21:25:25,334 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2024-11-22 21:25:25,335 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 36 transitions, 117 flow [2024-11-22 21:25:25,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 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 21:25:25,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:25,336 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:25,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 21:25:25,336 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:25,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:25,336 INFO L85 PathProgramCache]: Analyzing trace with hash -2064686778, now seen corresponding path program 1 times [2024-11-22 21:25:25,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:25,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306933884] [2024-11-22 21:25:25,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:25,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:25,442 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 21:25:25,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:25,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306933884] [2024-11-22 21:25:25,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306933884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:25,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:25,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:25:25,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799961001] [2024-11-22 21:25:25,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:25,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:25:25,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:25,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:25:25,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:25:25,448 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-22 21:25:25,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 36 transitions, 117 flow. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 21:25:25,449 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:25,449 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-22 21:25:25,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:25,727 INFO L124 PetriNetUnfolderBase]: 1731/2955 cut-off events. [2024-11-22 21:25:25,729 INFO L125 PetriNetUnfolderBase]: For 1139/1157 co-relation queries the response was YES. [2024-11-22 21:25:25,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6569 conditions, 2955 events. 1731/2955 cut-off events. For 1139/1157 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 18024 event pairs, 218 based on Foata normal form. 120/3018 useless extension candidates. Maximal degree in co-relation 6553. Up to 1497 conditions per place. [2024-11-22 21:25:25,745 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 43 selfloop transitions, 5 changer transitions 0/61 dead transitions. [2024-11-22 21:25:25,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 61 transitions, 267 flow [2024-11-22 21:25:25,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:25:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 21:25:25,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2024-11-22 21:25:25,747 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6333333333333333 [2024-11-22 21:25:25,747 INFO L175 Difference]: Start difference. First operand has 57 places, 36 transitions, 117 flow. Second operand 4 states and 114 transitions. [2024-11-22 21:25:25,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 61 transitions, 267 flow [2024-11-22 21:25:25,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 61 transitions, 253 flow, removed 5 selfloop flow, removed 6 redundant places. [2024-11-22 21:25:25,759 INFO L231 Difference]: Finished difference. Result has 52 places, 40 transitions, 141 flow [2024-11-22 21:25:25,759 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=141, PETRI_PLACES=52, PETRI_TRANSITIONS=40} [2024-11-22 21:25:25,760 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places. [2024-11-22 21:25:25,761 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 141 flow [2024-11-22 21:25:25,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 21:25:25,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:25,762 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] [2024-11-22 21:25:25,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 21:25:25,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:25,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:25,763 INFO L85 PathProgramCache]: Analyzing trace with hash -548686720, now seen corresponding path program 1 times [2024-11-22 21:25:25,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:25,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437054569] [2024-11-22 21:25:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:25,987 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 21:25:25,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:25,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437054569] [2024-11-22 21:25:25,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437054569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:25,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:25,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:25:25,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126857367] [2024-11-22 21:25:25,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:25,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:25:25,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:25,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:25:25,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:25:25,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-22 21:25:25,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 40 transitions, 141 flow. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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 21:25:25,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:25,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-22 21:25:25,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:26,254 INFO L124 PetriNetUnfolderBase]: 1241/2135 cut-off events. [2024-11-22 21:25:26,255 INFO L125 PetriNetUnfolderBase]: For 679/683 co-relation queries the response was YES. [2024-11-22 21:25:26,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5138 conditions, 2135 events. 1241/2135 cut-off events. For 679/683 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 11965 event pairs, 166 based on Foata normal form. 96/2177 useless extension candidates. Maximal degree in co-relation 5124. Up to 621 conditions per place. [2024-11-22 21:25:26,263 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 55 selfloop transitions, 8 changer transitions 0/76 dead transitions. [2024-11-22 21:25:26,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 76 transitions, 360 flow [2024-11-22 21:25:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:25:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 21:25:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 145 transitions. [2024-11-22 21:25:26,265 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2024-11-22 21:25:26,265 INFO L175 Difference]: Start difference. First operand has 52 places, 40 transitions, 141 flow. Second operand 5 states and 145 transitions. [2024-11-22 21:25:26,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 76 transitions, 360 flow [2024-11-22 21:25:26,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 76 transitions, 357 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 21:25:26,267 INFO L231 Difference]: Finished difference. Result has 57 places, 44 transitions, 193 flow [2024-11-22 21:25:26,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=193, PETRI_PLACES=57, PETRI_TRANSITIONS=44} [2024-11-22 21:25:26,269 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2024-11-22 21:25:26,269 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 44 transitions, 193 flow [2024-11-22 21:25:26,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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 21:25:26,269 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:26,269 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] [2024-11-22 21:25:26,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 21:25:26,269 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:26,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:26,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1920119597, now seen corresponding path program 1 times [2024-11-22 21:25:26,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:26,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731702292] [2024-11-22 21:25:26,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:26,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:26,859 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 21:25:26,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:26,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731702292] [2024-11-22 21:25:26,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731702292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:26,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:26,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 21:25:26,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404185886] [2024-11-22 21:25:26,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:26,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 21:25:26,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:26,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 21:25:26,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-22 21:25:26,869 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 45 [2024-11-22 21:25:26,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 193 flow. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 8 states have internal predecessors, (160), 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 21:25:26,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:26,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 45 [2024-11-22 21:25:26,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:27,243 INFO L124 PetriNetUnfolderBase]: 1061/2070 cut-off events. [2024-11-22 21:25:27,244 INFO L125 PetriNetUnfolderBase]: For 1651/2124 co-relation queries the response was YES. [2024-11-22 21:25:27,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5271 conditions, 2070 events. 1061/2070 cut-off events. For 1651/2124 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 13330 event pairs, 369 based on Foata normal form. 65/2004 useless extension candidates. Maximal degree in co-relation 5254. Up to 1058 conditions per place. [2024-11-22 21:25:27,254 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 40 selfloop transitions, 10 changer transitions 16/90 dead transitions. [2024-11-22 21:25:27,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 90 transitions, 441 flow [2024-11-22 21:25:27,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 21:25:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 21:25:27,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 229 transitions. [2024-11-22 21:25:27,256 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5654320987654321 [2024-11-22 21:25:27,256 INFO L175 Difference]: Start difference. First operand has 57 places, 44 transitions, 193 flow. Second operand 9 states and 229 transitions. [2024-11-22 21:25:27,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 90 transitions, 441 flow [2024-11-22 21:25:27,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 90 transitions, 429 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-22 21:25:27,261 INFO L231 Difference]: Finished difference. Result has 69 places, 53 transitions, 246 flow [2024-11-22 21:25:27,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=246, PETRI_PLACES=69, PETRI_TRANSITIONS=53} [2024-11-22 21:25:27,262 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 19 predicate places. [2024-11-22 21:25:27,262 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 53 transitions, 246 flow [2024-11-22 21:25:27,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 8 states have internal predecessors, (160), 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 21:25:27,262 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:27,262 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] [2024-11-22 21:25:27,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 21:25:27,263 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:27,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:27,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1381185753, now seen corresponding path program 2 times [2024-11-22 21:25:27,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:27,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965339969] [2024-11-22 21:25:27,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:25:27,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:27,340 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:25:27,340 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:25:27,471 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 21:25:27,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:27,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965339969] [2024-11-22 21:25:27,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965339969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:27,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:27,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:25:27,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395325596] [2024-11-22 21:25:27,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:27,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:25:27,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:27,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:25:27,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:25:27,476 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-22 21:25:27,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 53 transitions, 246 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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 21:25:27,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:27,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-22 21:25:27,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:27,724 INFO L124 PetriNetUnfolderBase]: 1045/1795 cut-off events. [2024-11-22 21:25:27,725 INFO L125 PetriNetUnfolderBase]: For 2126/2126 co-relation queries the response was YES. [2024-11-22 21:25:27,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5370 conditions, 1795 events. 1045/1795 cut-off events. For 2126/2126 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9890 event pairs, 128 based on Foata normal form. 52/1793 useless extension candidates. Maximal degree in co-relation 5347. Up to 668 conditions per place. [2024-11-22 21:25:27,734 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 61 selfloop transitions, 11 changer transitions 0/85 dead transitions. [2024-11-22 21:25:27,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 85 transitions, 493 flow [2024-11-22 21:25:27,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:25:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:25:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2024-11-22 21:25:27,736 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5851851851851851 [2024-11-22 21:25:27,736 INFO L175 Difference]: Start difference. First operand has 69 places, 53 transitions, 246 flow. Second operand 6 states and 158 transitions. [2024-11-22 21:25:27,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 85 transitions, 493 flow [2024-11-22 21:25:27,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 85 transitions, 471 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-22 21:25:27,740 INFO L231 Difference]: Finished difference. Result has 68 places, 54 transitions, 269 flow [2024-11-22 21:25:27,741 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=269, PETRI_PLACES=68, PETRI_TRANSITIONS=54} [2024-11-22 21:25:27,741 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 18 predicate places. [2024-11-22 21:25:27,742 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 54 transitions, 269 flow [2024-11-22 21:25:27,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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 21:25:27,743 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:27,743 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] [2024-11-22 21:25:27,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 21:25:27,743 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:27,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:27,746 INFO L85 PathProgramCache]: Analyzing trace with hash 970856693, now seen corresponding path program 1 times [2024-11-22 21:25:27,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:27,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637349613] [2024-11-22 21:25:27,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:27,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:28,468 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 21:25:28,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:28,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637349613] [2024-11-22 21:25:28,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637349613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:28,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:28,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 21:25:28,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810851406] [2024-11-22 21:25:28,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:28,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 21:25:28,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:28,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 21:25:28,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-22 21:25:28,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2024-11-22 21:25:28,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 54 transitions, 269 flow. Second operand has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 9 states have internal predecessors, (147), 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 21:25:28,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:28,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2024-11-22 21:25:28,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:29,271 INFO L124 PetriNetUnfolderBase]: 2294/4238 cut-off events. [2024-11-22 21:25:29,271 INFO L125 PetriNetUnfolderBase]: For 7064/8227 co-relation queries the response was YES. [2024-11-22 21:25:29,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12092 conditions, 4238 events. 2294/4238 cut-off events. For 7064/8227 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 31071 event pairs, 365 based on Foata normal form. 86/3953 useless extension candidates. Maximal degree in co-relation 12071. Up to 946 conditions per place. [2024-11-22 21:25:29,288 INFO L140 encePairwiseOnDemand]: 32/45 looper letters, 70 selfloop transitions, 26 changer transitions 44/159 dead transitions. [2024-11-22 21:25:29,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 159 transitions, 907 flow [2024-11-22 21:25:29,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 21:25:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-22 21:25:29,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 278 transitions. [2024-11-22 21:25:29,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5616161616161616 [2024-11-22 21:25:29,289 INFO L175 Difference]: Start difference. First operand has 68 places, 54 transitions, 269 flow. Second operand 11 states and 278 transitions. [2024-11-22 21:25:29,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 159 transitions, 907 flow [2024-11-22 21:25:29,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 159 transitions, 883 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-22 21:25:29,311 INFO L231 Difference]: Finished difference. Result has 83 places, 72 transitions, 438 flow [2024-11-22 21:25:29,311 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=438, PETRI_PLACES=83, PETRI_TRANSITIONS=72} [2024-11-22 21:25:29,311 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 33 predicate places. [2024-11-22 21:25:29,312 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 72 transitions, 438 flow [2024-11-22 21:25:29,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.333333333333332) internal successors, (147), 9 states have internal predecessors, (147), 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 21:25:29,312 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:29,312 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] [2024-11-22 21:25:29,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 21:25:29,312 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:29,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:29,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1885323909, now seen corresponding path program 2 times [2024-11-22 21:25:29,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:29,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178265049] [2024-11-22 21:25:29,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:25:29,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:29,329 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:25:29,330 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:25:29,503 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 21:25:29,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:29,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178265049] [2024-11-22 21:25:29,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178265049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:29,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:29,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 21:25:29,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512923398] [2024-11-22 21:25:29,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:29,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 21:25:29,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:29,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 21:25:29,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 21:25:29,513 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 45 [2024-11-22 21:25:29,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 72 transitions, 438 flow. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-11-22 21:25:29,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:29,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 45 [2024-11-22 21:25:29,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:30,098 INFO L124 PetriNetUnfolderBase]: 2585/4901 cut-off events. [2024-11-22 21:25:30,099 INFO L125 PetriNetUnfolderBase]: For 8424/9423 co-relation queries the response was YES. [2024-11-22 21:25:30,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15319 conditions, 4901 events. 2585/4901 cut-off events. For 8424/9423 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 37807 event pairs, 593 based on Foata normal form. 108/4558 useless extension candidates. Maximal degree in co-relation 15290. Up to 1753 conditions per place. [2024-11-22 21:25:30,115 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 40 selfloop transitions, 11 changer transitions 73/142 dead transitions. [2024-11-22 21:25:30,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 142 transitions, 1042 flow [2024-11-22 21:25:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 21:25:30,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-22 21:25:30,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 191 transitions. [2024-11-22 21:25:30,116 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5305555555555556 [2024-11-22 21:25:30,116 INFO L175 Difference]: Start difference. First operand has 83 places, 72 transitions, 438 flow. Second operand 8 states and 191 transitions. [2024-11-22 21:25:30,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 142 transitions, 1042 flow [2024-11-22 21:25:30,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 142 transitions, 996 flow, removed 18 selfloop flow, removed 5 redundant places. [2024-11-22 21:25:30,149 INFO L231 Difference]: Finished difference. Result has 83 places, 54 transitions, 345 flow [2024-11-22 21:25:30,149 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=345, PETRI_PLACES=83, PETRI_TRANSITIONS=54} [2024-11-22 21:25:30,150 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 33 predicate places. [2024-11-22 21:25:30,150 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 54 transitions, 345 flow [2024-11-22 21:25:30,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 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) [2024-11-22 21:25:30,150 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:30,150 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] [2024-11-22 21:25:30,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 21:25:30,151 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:30,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:30,151 INFO L85 PathProgramCache]: Analyzing trace with hash 3563741, now seen corresponding path program 3 times [2024-11-22 21:25:30,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:30,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461860667] [2024-11-22 21:25:30,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 21:25:30,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:30,168 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-22 21:25:30,169 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:25:30,344 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 21:25:30,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:25:30,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461860667] [2024-11-22 21:25:30,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461860667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:30,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:30,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 21:25:30,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743079289] [2024-11-22 21:25:30,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:30,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:25:30,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:25:30,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:25:30,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:25:30,359 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2024-11-22 21:25:30,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 54 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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 21:25:30,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:30,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2024-11-22 21:25:30,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:30,635 INFO L124 PetriNetUnfolderBase]: 810/1726 cut-off events. [2024-11-22 21:25:30,636 INFO L125 PetriNetUnfolderBase]: For 2923/3129 co-relation queries the response was YES. [2024-11-22 21:25:30,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5332 conditions, 1726 events. 810/1726 cut-off events. For 2923/3129 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 11715 event pairs, 276 based on Foata normal form. 32/1596 useless extension candidates. Maximal degree in co-relation 5302. Up to 614 conditions per place. [2024-11-22 21:25:30,644 INFO L140 encePairwiseOnDemand]: 38/45 looper letters, 32 selfloop transitions, 4 changer transitions 26/81 dead transitions. [2024-11-22 21:25:30,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 81 transitions, 574 flow [2024-11-22 21:25:30,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:25:30,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:25:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 139 transitions. [2024-11-22 21:25:30,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5148148148148148 [2024-11-22 21:25:30,646 INFO L175 Difference]: Start difference. First operand has 83 places, 54 transitions, 345 flow. Second operand 6 states and 139 transitions. [2024-11-22 21:25:30,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 81 transitions, 574 flow [2024-11-22 21:25:30,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 81 transitions, 525 flow, removed 9 selfloop flow, removed 9 redundant places. [2024-11-22 21:25:30,656 INFO L231 Difference]: Finished difference. Result has 78 places, 45 transitions, 250 flow [2024-11-22 21:25:30,656 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=250, PETRI_PLACES=78, PETRI_TRANSITIONS=45} [2024-11-22 21:25:30,656 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 28 predicate places. [2024-11-22 21:25:30,657 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 45 transitions, 250 flow [2024-11-22 21:25:30,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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 21:25:30,657 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:30,657 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] [2024-11-22 21:25:30,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 21:25:30,657 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:30,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:30,658 INFO L85 PathProgramCache]: Analyzing trace with hash 295351965, now seen corresponding path program 4 times [2024-11-22 21:25:30,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:25:30,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130473725] [2024-11-22 21:25:30,658 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 21:25:30,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:25:30,732 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 21:25:30,732 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-22 21:25:30,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 21:25:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 21:25:30,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 21:25:30,834 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 21:25:30,835 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-22 21:25:30,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-22 21:25:30,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-22 21:25:30,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-22 21:25:30,837 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-22 21:25:30,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-22 21:25:30,838 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-22 21:25:30,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 21:25:30,838 INFO L407 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:30,915 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 21:25:30,916 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 21:25:30,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:25:30 BasicIcfg [2024-11-22 21:25:30,921 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 21:25:30,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 21:25:30,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 21:25:30,921 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 21:25:30,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:25:22" (3/4) ... [2024-11-22 21:25:30,923 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 21:25:30,924 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 21:25:30,925 INFO L158 Benchmark]: Toolchain (without parser) took 9073.96ms. Allocated memory was 176.2MB in the beginning and 778.0MB in the end (delta: 601.9MB). Free memory was 105.8MB in the beginning and 582.5MB in the end (delta: -476.7MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2024-11-22 21:25:30,927 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:25:30,927 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.08ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 131.8MB in the end (delta: -26.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 21:25:30,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.68ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 129.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:25:30,928 INFO L158 Benchmark]: Boogie Preprocessor took 36.12ms. Allocated memory is still 176.2MB. Free memory was 129.0MB in the beginning and 125.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 21:25:30,928 INFO L158 Benchmark]: RCFGBuilder took 537.97ms. Allocated memory is still 176.2MB. Free memory was 125.5MB in the beginning and 73.8MB in the end (delta: 51.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-22 21:25:30,928 INFO L158 Benchmark]: TraceAbstraction took 7987.08ms. Allocated memory was 176.2MB in the beginning and 778.0MB in the end (delta: 601.9MB). Free memory was 73.1MB in the beginning and 583.6MB in the end (delta: -510.5MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-11-22 21:25:30,928 INFO L158 Benchmark]: Witness Printer took 3.08ms. Allocated memory is still 778.0MB. Free memory was 583.6MB in the beginning and 582.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 21:25:30,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.08ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 131.8MB in the end (delta: -26.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.68ms. Allocated memory is still 176.2MB. Free memory was 131.8MB in the beginning and 129.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.12ms. Allocated memory is still 176.2MB. Free memory was 129.0MB in the beginning and 125.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 537.97ms. Allocated memory is still 176.2MB. Free memory was 125.5MB in the beginning and 73.8MB in the end (delta: 51.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7987.08ms. Allocated memory was 176.2MB in the beginning and 778.0MB in the end (delta: 601.9MB). Free memory was 73.1MB in the beginning and 583.6MB in the end (delta: -510.5MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * Witness Printer took 3.08ms. Allocated memory is still 778.0MB. Free memory was 583.6MB in the beginning and 582.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L838] 0 pthread_t t657; [L839] FCALL, FORK 0 pthread_create(&t657, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t657=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L749] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L749] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L840] 0 pthread_t t658; [L841] FCALL, FORK 0 pthread_create(&t658, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t657=-2, t658=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L842] 0 pthread_t t659; [L843] FCALL, FORK 0 pthread_create(&t659, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t657=-2, t658=-1, t659=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L757] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L774] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L777] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L794] 3 y = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L797] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 z$flush_delayed = weak$$choice2 [L803] 3 z$mem_tmp = z [L804] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L806] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L808] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L810] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EBX = z [L812] 3 z = z$flush_delayed ? z$mem_tmp : z [L813] 3 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L816] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L819] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L823] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t657=-2, t658=-1, t659=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L847] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L847] RET 0 assume_abort_if_not(main$tmp_guard0) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t657=-2, t658=-1, t659=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L856] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t657=-2, t658=-1, t659=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L858] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L17] 0 __assert_fail ("0", "mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 839]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 843]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 7 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: 7.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 516 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 482 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1587 IncrementalHoareTripleChecker+Invalid, 1627 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 38 mSDtfsCounter, 1587 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=438occurred in iteration=9, InterpolantAutomatonStates: 70, 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, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 1459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 21:25:30,948 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 ea86164637dd5d5bd9745ca8d3f5dc708b98bc3f75b645830d494ea6e5cae6ff --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:25:32,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:25:32,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-22 21:25:32,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:25:32,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:25:32,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:25:32,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:25:32,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:25:32,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:25:32,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:25:32,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:25:32,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:25:32,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:25:32,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:25:32,849 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:25:32,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:25:32,849 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:25:32,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:25:32,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:25:32,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:25:32,850 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 21:25:32,851 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 21:25:32,852 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-22 21:25:32,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:25:32,852 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 21:25:32,852 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 21:25:32,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:25:32,852 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 21:25:32,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:25:32,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:25:32,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:25:32,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:25:32,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:25:32,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:25:32,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:25:32,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:25:32,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:25:32,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:25:32,855 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 21:25:32,855 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 21:25:32,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:25:32,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:25:32,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:25:32,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:25:32,859 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 -> ea86164637dd5d5bd9745ca8d3f5dc708b98bc3f75b645830d494ea6e5cae6ff [2024-11-22 21:25:33,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:25:33,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:25:33,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:25:33,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:25:33,161 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:25:33,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-22 21:25:34,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:25:34,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:25:34,575 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-22 21:25:34,587 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc42b5354/26dfe43b742c455aacf520215ce6cb0a/FLAGafd8af1ea [2024-11-22 21:25:34,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc42b5354/26dfe43b742c455aacf520215ce6cb0a [2024-11-22 21:25:34,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:25:34,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:25:34,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:25:34,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:25:34,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:25:34,924 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:25:34" (1/1) ... [2024-11-22 21:25:34,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4151577f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:34, skipping insertion in model container [2024-11-22 21:25:34,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:25:34" (1/1) ... [2024-11-22 21:25:34,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:25:35,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:25:35,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:25:35,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:25:35,389 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:25:35,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35 WrapperNode [2024-11-22 21:25:35,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:25:35,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:25:35,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:25:35,391 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:25:35,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,453 INFO L138 Inliner]: procedures = 176, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 121 [2024-11-22 21:25:35,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:25:35,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:25:35,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:25:35,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:25:35,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,487 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 21:25:35,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:25:35,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:25:35,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:25:35,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:25:35,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (1/1) ... [2024-11-22 21:25:35,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:25:35,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:25:35,545 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 21:25:35,548 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 21:25:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-22 21:25:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:25:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 21:25:35,591 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-22 21:25:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-22 21:25:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-22 21:25:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-22 21:25:35,592 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-22 21:25:35,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-22 21:25:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-22 21:25:35,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:25:35,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:25:35,595 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 21:25:35,730 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:25:35,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:25:36,035 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 21:25:36,035 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:25:36,184 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:25:36,185 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 21:25:36,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:25:36 BoogieIcfgContainer [2024-11-22 21:25:36,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:25:36,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:25:36,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:25:36,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:25:36,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:25:34" (1/3) ... [2024-11-22 21:25:36,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236d2c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:25:36, skipping insertion in model container [2024-11-22 21:25:36,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:25:35" (2/3) ... [2024-11-22 21:25:36,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236d2c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:25:36, skipping insertion in model container [2024-11-22 21:25:36,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:25:36" (3/3) ... [2024-11-22 21:25:36,193 INFO L112 eAbstractionObserver]: Analyzing ICFG mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-22 21:25:36,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:25:36,206 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-22 21:25:36,206 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 21:25:36,262 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-22 21:25:36,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-11-22 21:25:36,308 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-22 21:25:36,308 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:36,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-11-22 21:25:36,311 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-11-22 21:25:36,313 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-22 21:25:36,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:25:36,324 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;@149afcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:25:36,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-22 21:25:36,327 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 21:25:36,327 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-22 21:25:36,327 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:36,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:36,328 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-22 21:25:36,328 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:36,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash 12155902, now seen corresponding path program 1 times [2024-11-22 21:25:36,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:36,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451767179] [2024-11-22 21:25:36,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:36,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:36,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:36,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:36,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 21:25:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:36,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:25:36,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:25:36,471 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 21:25:36,472 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:25:36,472 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 21:25:36,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451767179] [2024-11-22 21:25:36,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451767179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:36,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:36,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:25:36,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695764560] [2024-11-22 21:25:36,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:36,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:25:36,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 21:25:36,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:25:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:25:36,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-11-22 21:25:36,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 21:25:36,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:36,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-11-22 21:25:36,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:36,841 INFO L124 PetriNetUnfolderBase]: 825/1530 cut-off events. [2024-11-22 21:25:36,841 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-22 21:25:36,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2811 conditions, 1530 events. 825/1530 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 9940 event pairs, 129 based on Foata normal form. 96/1610 useless extension candidates. Maximal degree in co-relation 2800. Up to 1009 conditions per place. [2024-11-22 21:25:36,855 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 33 selfloop transitions, 2 changer transitions 2/54 dead transitions. [2024-11-22 21:25:36,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 197 flow [2024-11-22 21:25:36,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:25:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:25:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2024-11-22 21:25:36,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7555555555555555 [2024-11-22 21:25:36,865 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 102 transitions. [2024-11-22 21:25:36,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 197 flow [2024-11-22 21:25:36,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-22 21:25:36,869 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow [2024-11-22 21:25:36,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-22 21:25:36,873 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-22 21:25:36,873 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow [2024-11-22 21:25:36,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 21:25:36,873 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:36,873 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 21:25:36,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 21:25:37,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:37,074 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:37,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:37,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1794921014, now seen corresponding path program 1 times [2024-11-22 21:25:37,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:37,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103015800] [2024-11-22 21:25:37,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:37,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:37,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:37,078 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:37,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 21:25:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:37,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 21:25:37,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:25:37,174 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 21:25:37,175 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:25:37,175 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 21:25:37,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103015800] [2024-11-22 21:25:37,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103015800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:37,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:37,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 21:25:37,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112876588] [2024-11-22 21:25:37,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:37,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 21:25:37,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 21:25:37,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 21:25:37,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 21:25:37,188 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-22 21:25:37,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 21:25:37,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:37,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-22 21:25:37,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:37,521 INFO L124 PetriNetUnfolderBase]: 1680/2962 cut-off events. [2024-11-22 21:25:37,521 INFO L125 PetriNetUnfolderBase]: For 154/154 co-relation queries the response was YES. [2024-11-22 21:25:37,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5695 conditions, 2962 events. 1680/2962 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 19280 event pairs, 188 based on Foata normal form. 100/3022 useless extension candidates. Maximal degree in co-relation 5685. Up to 1579 conditions per place. [2024-11-22 21:25:37,533 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 43 selfloop transitions, 5 changer transitions 1/62 dead transitions. [2024-11-22 21:25:37,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 62 transitions, 240 flow [2024-11-22 21:25:37,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 21:25:37,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-22 21:25:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2024-11-22 21:25:37,535 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6388888888888888 [2024-11-22 21:25:37,535 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 4 states and 115 transitions. [2024-11-22 21:25:37,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 62 transitions, 240 flow [2024-11-22 21:25:37,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 62 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-22 21:25:37,537 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 114 flow [2024-11-22 21:25:37,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-11-22 21:25:37,539 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-11-22 21:25:37,540 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 114 flow [2024-11-22 21:25:37,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 21:25:37,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:37,542 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] [2024-11-22 21:25:37,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-22 21:25:37,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:37,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:37,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:37,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2071796731, now seen corresponding path program 1 times [2024-11-22 21:25:37,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:37,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401555152] [2024-11-22 21:25:37,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:37,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:37,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:37,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:37,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 21:25:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:37,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 21:25:37,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:25:37,838 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 21:25:37,838 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:25:37,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 21:25:37,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401555152] [2024-11-22 21:25:37,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401555152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:37,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:37,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 21:25:37,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076831058] [2024-11-22 21:25:37,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:37,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:25:37,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 21:25:37,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:25:37,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:25:37,847 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-22 21:25:37,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 114 flow. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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 21:25:37,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:37,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-22 21:25:37,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:38,106 INFO L124 PetriNetUnfolderBase]: 1038/1840 cut-off events. [2024-11-22 21:25:38,107 INFO L125 PetriNetUnfolderBase]: For 435/435 co-relation queries the response was YES. [2024-11-22 21:25:38,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4073 conditions, 1840 events. 1038/1840 cut-off events. For 435/435 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 10427 event pairs, 100 based on Foata normal form. 82/1889 useless extension candidates. Maximal degree in co-relation 4061. Up to 697 conditions per place. [2024-11-22 21:25:38,114 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 54 selfloop transitions, 8 changer transitions 1/76 dead transitions. [2024-11-22 21:25:38,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 76 transitions, 333 flow [2024-11-22 21:25:38,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:25:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 21:25:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 145 transitions. [2024-11-22 21:25:38,119 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2024-11-22 21:25:38,119 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 114 flow. Second operand 5 states and 145 transitions. [2024-11-22 21:25:38,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 76 transitions, 333 flow [2024-11-22 21:25:38,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 76 transitions, 323 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-22 21:25:38,122 INFO L231 Difference]: Finished difference. Result has 53 places, 43 transitions, 154 flow [2024-11-22 21:25:38,122 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=154, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2024-11-22 21:25:38,123 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 3 predicate places. [2024-11-22 21:25:38,123 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 154 flow [2024-11-22 21:25:38,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 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 21:25:38,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:38,123 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] [2024-11-22 21:25:38,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-22 21:25:38,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:38,324 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:38,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:38,325 INFO L85 PathProgramCache]: Analyzing trace with hash 961572215, now seen corresponding path program 1 times [2024-11-22 21:25:38,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:38,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [700339740] [2024-11-22 21:25:38,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:38,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:38,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:38,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:38,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 21:25:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:38,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:25:38,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:25:38,440 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 21:25:38,440 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:25:38,440 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 21:25:38,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [700339740] [2024-11-22 21:25:38,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [700339740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:38,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:38,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:25:38,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846739498] [2024-11-22 21:25:38,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:38,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:25:38,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 21:25:38,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:25:38,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:25:38,452 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-22 21:25:38,452 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 154 flow. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 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) [2024-11-22 21:25:38,452 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:38,452 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-22 21:25:38,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:38,682 INFO L124 PetriNetUnfolderBase]: 581/989 cut-off events. [2024-11-22 21:25:38,682 INFO L125 PetriNetUnfolderBase]: For 806/806 co-relation queries the response was YES. [2024-11-22 21:25:38,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2523 conditions, 989 events. 581/989 cut-off events. For 806/806 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4509 event pairs, 83 based on Foata normal form. 40/998 useless extension candidates. Maximal degree in co-relation 2509. Up to 308 conditions per place. [2024-11-22 21:25:38,686 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 47 selfloop transitions, 11 changer transitions 1/72 dead transitions. [2024-11-22 21:25:38,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 72 transitions, 340 flow [2024-11-22 21:25:38,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:25:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:25:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 157 transitions. [2024-11-22 21:25:38,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5814814814814815 [2024-11-22 21:25:38,687 INFO L175 Difference]: Start difference. First operand has 53 places, 43 transitions, 154 flow. Second operand 6 states and 157 transitions. [2024-11-22 21:25:38,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 72 transitions, 340 flow [2024-11-22 21:25:38,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 72 transitions, 315 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-22 21:25:38,694 INFO L231 Difference]: Finished difference. Result has 56 places, 43 transitions, 168 flow [2024-11-22 21:25:38,695 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=168, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2024-11-22 21:25:38,696 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-11-22 21:25:38,696 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 168 flow [2024-11-22 21:25:38,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 6 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) [2024-11-22 21:25:38,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:38,696 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] [2024-11-22 21:25:38,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-22 21:25:38,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:38,900 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:38,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:38,900 INFO L85 PathProgramCache]: Analyzing trace with hash -22145238, now seen corresponding path program 1 times [2024-11-22 21:25:38,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:38,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922709802] [2024-11-22 21:25:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:38,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:38,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:38,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:38,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 21:25:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:39,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 21:25:39,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:25:39,082 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 21:25:39,083 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:25:39,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 21:25:39,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922709802] [2024-11-22 21:25:39,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922709802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:39,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:39,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-22 21:25:39,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358544089] [2024-11-22 21:25:39,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:39,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 21:25:39,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 21:25:39,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 21:25:39,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 21:25:39,085 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-11-22 21:25:39,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 21:25:39,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:39,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-11-22 21:25:39,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:39,179 INFO L124 PetriNetUnfolderBase]: 307/635 cut-off events. [2024-11-22 21:25:39,180 INFO L125 PetriNetUnfolderBase]: For 257/267 co-relation queries the response was YES. [2024-11-22 21:25:39,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1412 conditions, 635 events. 307/635 cut-off events. For 257/267 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3132 event pairs, 288 based on Foata normal form. 8/603 useless extension candidates. Maximal degree in co-relation 1397. Up to 481 conditions per place. [2024-11-22 21:25:39,184 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 18 selfloop transitions, 1 changer transitions 1/42 dead transitions. [2024-11-22 21:25:39,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 42 transitions, 206 flow [2024-11-22 21:25:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 21:25:39,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-22 21:25:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-11-22 21:25:39,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2024-11-22 21:25:39,185 INFO L175 Difference]: Start difference. First operand has 56 places, 43 transitions, 168 flow. Second operand 3 states and 78 transitions. [2024-11-22 21:25:39,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 42 transitions, 206 flow [2024-11-22 21:25:39,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 150 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-22 21:25:39,187 INFO L231 Difference]: Finished difference. Result has 49 places, 41 transitions, 110 flow [2024-11-22 21:25:39,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2024-11-22 21:25:39,188 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-11-22 21:25:39,188 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 110 flow [2024-11-22 21:25:39,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 21:25:39,189 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:39,189 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] [2024-11-22 21:25:39,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-22 21:25:39,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:39,390 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:39,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:39,390 INFO L85 PathProgramCache]: Analyzing trace with hash 565263425, now seen corresponding path program 1 times [2024-11-22 21:25:39,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:39,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262533793] [2024-11-22 21:25:39,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:25:39,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:39,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:39,392 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:39,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-22 21:25:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:25:39,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 21:25:39,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:25:39,775 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 21:25:39,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:25:39,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 21:25:39,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262533793] [2024-11-22 21:25:39,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262533793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:39,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:39,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 21:25:39,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771052744] [2024-11-22 21:25:39,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:39,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 21:25:39,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 21:25:39,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 21:25:39,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 21:25:39,789 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-11-22 21:25:39,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 110 flow. Second operand has 9 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 states have internal predecessors, (188), 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 21:25:39,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:39,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-11-22 21:25:39,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:40,073 INFO L124 PetriNetUnfolderBase]: 453/884 cut-off events. [2024-11-22 21:25:40,073 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:25:40,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 884 events. 453/884 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4549 event pairs, 90 based on Foata normal form. 8/847 useless extension candidates. Maximal degree in co-relation 1717. Up to 236 conditions per place. [2024-11-22 21:25:40,076 INFO L140 encePairwiseOnDemand]: 37/45 looper letters, 32 selfloop transitions, 4 changer transitions 24/81 dead transitions. [2024-11-22 21:25:40,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 81 transitions, 318 flow [2024-11-22 21:25:40,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 21:25:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-22 21:25:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 232 transitions. [2024-11-22 21:25:40,077 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5728395061728395 [2024-11-22 21:25:40,077 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 110 flow. Second operand 9 states and 232 transitions. [2024-11-22 21:25:40,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 81 transitions, 318 flow [2024-11-22 21:25:40,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 81 transitions, 317 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-22 21:25:40,079 INFO L231 Difference]: Finished difference. Result has 59 places, 41 transitions, 127 flow [2024-11-22 21:25:40,079 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=127, PETRI_PLACES=59, PETRI_TRANSITIONS=41} [2024-11-22 21:25:40,079 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 9 predicate places. [2024-11-22 21:25:40,080 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 41 transitions, 127 flow [2024-11-22 21:25:40,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.88888888888889) internal successors, (188), 9 states have internal predecessors, (188), 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 21:25:40,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:40,080 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] [2024-11-22 21:25:40,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-22 21:25:40,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:40,281 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:40,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:40,281 INFO L85 PathProgramCache]: Analyzing trace with hash 97904633, now seen corresponding path program 2 times [2024-11-22 21:25:40,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:40,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649287961] [2024-11-22 21:25:40,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 21:25:40,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:40,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:40,284 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:40,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-22 21:25:40,355 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-22 21:25:40,355 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:25:40,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 21:25:40,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:25:40,424 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 21:25:40,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:25:40,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 21:25:40,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649287961] [2024-11-22 21:25:40,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649287961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:40,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:40,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 21:25:40,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533175623] [2024-11-22 21:25:40,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:40,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 21:25:40,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 21:25:40,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 21:25:40,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 21:25:40,433 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-22 21:25:40,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 41 transitions, 127 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) [2024-11-22 21:25:40,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:40,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-22 21:25:40,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:40,646 INFO L124 PetriNetUnfolderBase]: 697/1328 cut-off events. [2024-11-22 21:25:40,646 INFO L125 PetriNetUnfolderBase]: For 235/235 co-relation queries the response was YES. [2024-11-22 21:25:40,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2874 conditions, 1328 events. 697/1328 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7240 event pairs, 182 based on Foata normal form. 8/1289 useless extension candidates. Maximal degree in co-relation 2862. Up to 562 conditions per place. [2024-11-22 21:25:40,650 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 29 selfloop transitions, 1 changer transitions 22/71 dead transitions. [2024-11-22 21:25:40,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 71 transitions, 314 flow [2024-11-22 21:25:40,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 21:25:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-22 21:25:40,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 155 transitions. [2024-11-22 21:25:40,651 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5740740740740741 [2024-11-22 21:25:40,651 INFO L175 Difference]: Start difference. First operand has 59 places, 41 transitions, 127 flow. Second operand 6 states and 155 transitions. [2024-11-22 21:25:40,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 71 transitions, 314 flow [2024-11-22 21:25:40,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 71 transitions, 288 flow, removed 5 selfloop flow, removed 7 redundant places. [2024-11-22 21:25:40,654 INFO L231 Difference]: Finished difference. Result has 57 places, 41 transitions, 124 flow [2024-11-22 21:25:40,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=124, PETRI_PLACES=57, PETRI_TRANSITIONS=41} [2024-11-22 21:25:40,654 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2024-11-22 21:25:40,654 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 41 transitions, 124 flow [2024-11-22 21:25:40,655 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) [2024-11-22 21:25:40,655 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:40,655 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] [2024-11-22 21:25:40,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-22 21:25:40,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:40,855 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:40,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:40,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1495925653, now seen corresponding path program 3 times [2024-11-22 21:25:40,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:40,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126098648] [2024-11-22 21:25:40,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 21:25:40,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:40,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:40,864 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:40,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-22 21:25:40,931 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-22 21:25:40,932 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 21:25:40,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 21:25:40,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 21:25:40,958 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 21:25:40,958 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 21:25:40,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 21:25:40,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126098648] [2024-11-22 21:25:40,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2126098648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:25:40,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:25:40,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 21:25:40,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376518816] [2024-11-22 21:25:40,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:25:40,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 21:25:40,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 21:25:40,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 21:25:40,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 21:25:40,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-22 21:25:40,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 41 transitions, 124 flow. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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 21:25:40,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:25:40,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-22 21:25:40,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-22 21:25:41,165 INFO L124 PetriNetUnfolderBase]: 766/1457 cut-off events. [2024-11-22 21:25:41,165 INFO L125 PetriNetUnfolderBase]: For 119/119 co-relation queries the response was YES. [2024-11-22 21:25:41,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3003 conditions, 1457 events. 766/1457 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 8233 event pairs, 288 based on Foata normal form. 8/1402 useless extension candidates. Maximal degree in co-relation 2991. Up to 582 conditions per place. [2024-11-22 21:25:41,170 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 25 selfloop transitions, 2 changer transitions 17/63 dead transitions. [2024-11-22 21:25:41,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 63 transitions, 266 flow [2024-11-22 21:25:41,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 21:25:41,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-22 21:25:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 130 transitions. [2024-11-22 21:25:41,171 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5777777777777777 [2024-11-22 21:25:41,172 INFO L175 Difference]: Start difference. First operand has 57 places, 41 transitions, 124 flow. Second operand 5 states and 130 transitions. [2024-11-22 21:25:41,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 63 transitions, 266 flow [2024-11-22 21:25:41,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 63 transitions, 255 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-22 21:25:41,174 INFO L231 Difference]: Finished difference. Result has 57 places, 41 transitions, 129 flow [2024-11-22 21:25:41,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=129, PETRI_PLACES=57, PETRI_TRANSITIONS=41} [2024-11-22 21:25:41,177 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2024-11-22 21:25:41,177 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 41 transitions, 129 flow [2024-11-22 21:25:41,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 5 states have internal predecessors, (104), 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 21:25:41,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:25:41,177 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] [2024-11-22 21:25:41,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-22 21:25:41,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:41,378 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-22 21:25:41,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:25:41,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1810677769, now seen corresponding path program 4 times [2024-11-22 21:25:41,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 21:25:41,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669573166] [2024-11-22 21:25:41,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 21:25:41,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:41,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 21:25:41,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 21:25:41,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-22 21:25:41,450 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 21:25:41,451 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-22 21:25:41,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 21:25:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 21:25:41,540 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-22 21:25:41,540 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 21:25:41,542 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-22 21:25:41,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-22 21:25:41,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-22 21:25:41,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-22 21:25:41,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-22 21:25:41,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-22 21:25:41,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-22 21:25:41,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-22 21:25:41,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 21:25:41,748 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-11-22 21:25:41,815 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-22 21:25:41,815 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 21:25:41,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:25:41 BasicIcfg [2024-11-22 21:25:41,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 21:25:41,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 21:25:41,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 21:25:41,820 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 21:25:41,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:25:36" (3/4) ... [2024-11-22 21:25:41,821 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 21:25:41,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 21:25:41,823 INFO L158 Benchmark]: Toolchain (without parser) took 6905.47ms. Allocated memory was 71.3MB in the beginning and 222.3MB in the end (delta: 151.0MB). Free memory was 36.1MB in the beginning and 117.9MB in the end (delta: -81.8MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2024-11-22 21:25:41,823 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:25:41,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.03ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 28.8MB in the end (delta: 7.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-22 21:25:41,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.82ms. Allocated memory is still 71.3MB. Free memory was 28.8MB in the beginning and 49.4MB in the end (delta: -20.6MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-22 21:25:41,823 INFO L158 Benchmark]: Boogie Preprocessor took 56.25ms. Allocated memory is still 71.3MB. Free memory was 49.0MB in the beginning and 45.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 21:25:41,824 INFO L158 Benchmark]: RCFGBuilder took 672.73ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.6MB in the beginning and 39.1MB in the end (delta: 6.5MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-22 21:25:41,824 INFO L158 Benchmark]: TraceAbstraction took 5630.81ms. Allocated memory was 86.0MB in the beginning and 222.3MB in the end (delta: 136.3MB). Free memory was 38.5MB in the beginning and 118.9MB in the end (delta: -80.4MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2024-11-22 21:25:41,824 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 222.3MB. Free memory was 118.9MB in the beginning and 117.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 21:25:41,826 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 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.03ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 28.8MB in the end (delta: 7.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.82ms. Allocated memory is still 71.3MB. Free memory was 28.8MB in the beginning and 49.4MB in the end (delta: -20.6MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.25ms. Allocated memory is still 71.3MB. Free memory was 49.0MB in the beginning and 45.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 672.73ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.6MB in the beginning and 39.1MB in the end (delta: 6.5MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5630.81ms. Allocated memory was 86.0MB in the beginning and 222.3MB in the end (delta: 136.3MB). Free memory was 38.5MB in the beginning and 118.9MB in the end (delta: -80.4MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 222.3MB. Free memory was 118.9MB in the beginning and 117.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L838] 0 pthread_t t657; [L839] FCALL, FORK 0 pthread_create(&t657, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t657=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L749] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L749] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L840] 0 pthread_t t658; [L841] FCALL, FORK 0 pthread_create(&t658, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t657=0, t658=1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L757] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L774] 2 x = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L842] 0 pthread_t t659; [L843] FCALL, FORK 0 pthread_create(&t659, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t657=0, t658=1, t659=2, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L777] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L794] 3 y = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L797] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L800] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L801] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L802] 3 z$flush_delayed = weak$$choice2 [L803] 3 z$mem_tmp = z [L804] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L805] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L806] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L807] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L808] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L810] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 __unbuffered_p2_EBX = z [L812] 3 z = z$flush_delayed ? z$mem_tmp : z [L813] 3 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L816] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L817] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L818] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L819] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L820] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L823] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L845] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t657=0, t658=1, t659=2, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L847] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L847] RET 0 assume_abort_if_not(main$tmp_guard0) [L849] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L850] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L851] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L852] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L853] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t657=0, t658=1, t659=2, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L856] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t657=0, t658=1, t659=2, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L858] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L17] 0 __assert_fail ("0", "mix025_power.oepc_power.opt_pso.oepc_rmo.oepc_tso.oepc_tso.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 839]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 843]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 7 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: 5.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 295 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1051 IncrementalHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 7 mSDtfsCounter, 1051 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 678 SizeOfPredicates, 13 NumberOfNonLiveVariables, 874 ConjunctsInSsa, 44 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 21:25:41,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample