./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:13:47,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:13:47,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:13:47,510 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:13:47,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:13:47,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:13:47,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:13:47,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:13:47,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:13:47,532 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:13:47,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:13:47,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:13:47,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:13:47,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:13:47,532 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:13:47,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:13:47,533 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:13:47,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:13:47,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:13:47,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:13:47,533 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:13:47,533 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:13:47,534 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:13:47,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:13:47,534 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:13:47,534 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:13:47,534 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:13:47,534 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:13:47,534 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:13:47,535 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:13:47,535 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:13:47,535 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 [2025-02-08 08:13:47,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:13:47,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:13:47,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:13:47,779 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:13:47,779 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:13:47,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2025-02-08 08:13:48,918 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1fc3ac981/5d857b60b390434c93aea63b44ac2b47/FLAG0e9378b39 [2025-02-08 08:13:49,230 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:13:49,231 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2025-02-08 08:13:49,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1fc3ac981/5d857b60b390434c93aea63b44ac2b47/FLAG0e9378b39 [2025-02-08 08:13:49,253 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1fc3ac981/5d857b60b390434c93aea63b44ac2b47 [2025-02-08 08:13:49,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:13:49,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:13:49,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:13:49,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:13:49,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:13:49,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39350d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49, skipping insertion in model container [2025-02-08 08:13:49,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:13:49,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:13:49,566 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:13:49,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:13:49,656 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:13:49,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49 WrapperNode [2025-02-08 08:13:49,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:13:49,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:13:49,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:13:49,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:13:49,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,672 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,695 INFO L138 Inliner]: procedures = 180, calls = 59, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 472 [2025-02-08 08:13:49,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:13:49,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:13:49,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:13:49,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:13:49,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,716 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]. [2025-02-08 08:13:49,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,727 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,731 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:13:49,733 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:13:49,734 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:13:49,734 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:13:49,734 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (1/1) ... [2025-02-08 08:13:49,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:13:49,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:13:49,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 08:13:49,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 08:13:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 08:13:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 08:13:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:13:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:13:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:13:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:13:49,783 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 08:13:49,878 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:13:49,879 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:13:50,340 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763: havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true; [2025-02-08 08:13:50,340 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-1: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,340 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-2: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-3: assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~COND~0 % 256 % 4294967296 <= 2147483647 then ~COND~0 % 256 % 4294967296 else ~COND~0 % 256 % 4294967296 - 4294967296); [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-4: [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-5: assume { :begin_inline___VERIFIER_atomic_acquire } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 0 == (if ~MTX~0 % 256 % 4294967296 <= 2147483647 then ~MTX~0 % 256 % 4294967296 else ~MTX~0 % 256 % 4294967296 - 4294967296) then 1 else 0); [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-14: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-6: [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-15: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-7: assume { :begin_inline___VERIFIER_atomic_release } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 1 == (if ~MTX~0 % 256 % 4294967296 <= 2147483647 then ~MTX~0 % 256 % 4294967296 else ~MTX~0 % 256 % 4294967296 - 4294967296) then 1 else 0); [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-16: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L763-8: ~COND~0 := 0; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-22: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3-23: assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-1: assume 0 == ~COND~0 % 256; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L764-1: assume !(0 == ~COND~0 % 256); [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-28: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-28: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-29: assume false; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-30: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-30: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-31: assume false; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-32: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,341 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-32: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-33: assume false; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732: havoc sysmon_power_daemon_task_#t~ret11#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732-1: assume { :end_inline_sysmon_queue_power_event } true;assume -2147483648 <= sysmon_power_daemon_task_#t~ret11#1 && sysmon_power_daemon_task_#t~ret11#1 <= 2147483647; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-32: assume { :end_inline_assume_abort_if_not } true;~MTX~0 := 0;assume { :end_inline___VERIFIER_atomic_release } true; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732-2: havoc sysmon_queue_power_event_#t~nondet3#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-33: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732-3: sysmon_power_daemon_task_#t~ret11#1 := sysmon_queue_power_event_#res#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-34: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-44: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-44: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-35: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-45: assume false; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-46: assume 0 == assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-46: assume !(0 == assume_abort_if_not_~cond#1); [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4-47: assume false; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-44: assume { :end_inline_assume_abort_if_not } true;~MTX~0 := 0;assume { :end_inline___VERIFIER_atomic_release } true; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-45: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-46: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-47: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-48: assume { :end_inline_assume_abort_if_not } true;~MTX~0 := 0;assume { :end_inline___VERIFIER_atomic_release } true; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-49: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-50: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L698-51: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: assume 0 != sysmon_power_daemon_task_#t~nondet12#1; [2025-02-08 08:13:50,342 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733: assume !(0 != sysmon_power_daemon_task_#t~nondet12#1); [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-1: havoc sysmon_power_daemon_task_#t~nondet12#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-2: havoc sysmon_power_daemon_task_#t~nondet12#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-3: assume -2147483648 <= sysmon_power_daemon_task_#t~nondet12#1 && sysmon_power_daemon_task_#t~nondet12#1 <= 2147483647; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L733-4: havoc sysmon_power_daemon_task_#t~nondet12#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L734-1: assume { :begin_inline___VERIFIER_atomic_release } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 1 == (if ~MTX~0 % 256 % 4294967296 <= 2147483647 then ~MTX~0 % 256 % 4294967296 else ~MTX~0 % 256 % 4294967296 - 4294967296) then 1 else 0); [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L737: ~COND~0 := 1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L738: [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L738-1: assume { :begin_inline___VERIFIER_atomic_release } true;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if 1 == (if ~MTX~0 % 256 % 4294967296 <= 2147483647 then ~MTX~0 % 256 % 4294967296 else ~MTX~0 % 256 % 4294967296 - 4294967296) then 1 else 0); [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L805-2: assume { :end_inline_sysmon_power_daemon_task } true;assume -2147483648 <= #t~ret24#1 && #t~ret24#1 <= 2147483647; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L805-3: havoc sysmon_power_daemon_task_#t~nondet5#1, sysmon_power_daemon_task_#t~nondet6#1, sysmon_power_daemon_task_#t~nondet7#1, sysmon_power_daemon_task_#t~switch8#1, sysmon_power_daemon_task_#t~nondet9#1, sysmon_power_daemon_task_#t~nondet10#1, sysmon_power_daemon_task_#t~ret11#1, sysmon_power_daemon_task_#t~nondet12#1, sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L805-4: #t~ret24#1 := sysmon_power_daemon_task_#res#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740: assume { :end_inline_reach_error } true;assume false; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-2: assume false; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-2: assume !false; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-3: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-2: havoc sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-3: sysmon_power_daemon_task_#res#1 := sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-4: assume -2147483648 <= sysmon_power_daemon_task_#t~nondet13#1 && sysmon_power_daemon_task_#t~nondet13#1 <= 2147483647; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-5: havoc sysmon_power_daemon_task_#t~nondet13#1; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17-18: assume false; [2025-02-08 08:13:50,343 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17-18: assume !false; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17-19: assume false; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L17-19: assume !false; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759: assume 0 != sysmonread_power_#t~ret16#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759: assume !(0 != sysmonread_power_#t~ret16#1); [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-1: havoc sysmonread_power_#t~ret16#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-2: havoc sysmonread_power_#t~ret16#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-3: assume { :end_inline_sysmon_get_power_event } true;assume -2147483648 <= sysmonread_power_#t~ret16#1 && sysmonread_power_#t~ret16#1 <= 2147483647; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-4: havoc sysmon_get_power_event_#t~nondet4#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L759-5: sysmonread_power_#t~ret16#1 := sysmon_get_power_event_#res#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-24: assume { :end_inline_assume_abort_if_not } true;~MTX~0 := 1;assume { :end_inline___VERIFIER_atomic_acquire } true; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-25: havoc assume_abort_if_not_#in~cond#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-26: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L693-27: havoc assume_abort_if_not_~cond#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: assume 0 != sysmonread_power_#t~nondet17#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761: assume !(0 != sysmonread_power_#t~nondet17#1); [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-1: havoc sysmonread_power_#t~nondet17#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-2: havoc sysmonread_power_#t~nondet17#1; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-3: assume -2147483648 <= sysmonread_power_#t~nondet17#1 && sysmonread_power_#t~nondet17#1 <= 2147483647; [2025-02-08 08:13:50,344 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L761-4: havoc sysmonread_power_#t~nondet17#1; [2025-02-08 08:13:50,365 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:13:50,365 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:13:50,551 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:13:50,552 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:13:50,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:13:50 BoogieIcfgContainer [2025-02-08 08:13:50,552 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:13:50,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:13:50,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:13:50,557 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:13:50,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:13:49" (1/3) ... [2025-02-08 08:13:50,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52430512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:13:50, skipping insertion in model container [2025-02-08 08:13:50,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:13:49" (2/3) ... [2025-02-08 08:13:50,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52430512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:13:50, skipping insertion in model container [2025-02-08 08:13:50,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:13:50" (3/3) ... [2025-02-08 08:13:50,559 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced.i [2025-02-08 08:13:50,569 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:13:50,570 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_NetBSD_sysmon_power_sliced.i that has 2 procedures, 147 locations, 1 initial locations, 3 loop locations, and 12 error locations. [2025-02-08 08:13:50,570 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:13:50,621 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:13:50,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 187 transitions, 378 flow [2025-02-08 08:13:50,677 INFO L124 PetriNetUnfolderBase]: 40/191 cut-off events. [2025-02-08 08:13:50,678 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:13:50,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 191 events. 40/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 894 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 184. Up to 8 conditions per place. [2025-02-08 08:13:50,680 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 187 transitions, 378 flow [2025-02-08 08:13:50,683 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 187 transitions, 378 flow [2025-02-08 08:13:50,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:13:50,695 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;@6020a49c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:13:50,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-02-08 08:13:50,700 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:13:50,700 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2025-02-08 08:13:50,700 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:13:50,700 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:13:50,701 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-02-08 08:13:50,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err5ASSERT_VIOLATIONMEMORY_LEAK, thr1Err8ASSERT_VIOLATIONMEMORY_LEAK, thr1Err4ASSERT_VIOLATIONMEMORY_LEAK, thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (and 18 more)] === [2025-02-08 08:13:50,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:13:50,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1160555, now seen corresponding path program 1 times [2025-02-08 08:13:50,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:13:50,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359692592] [2025-02-08 08:13:50,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:13:50,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:13:50,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 08:13:50,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 08:13:50,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:13:50,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:13:50,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:13:50,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:13:50,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359692592] [2025-02-08 08:13:50,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359692592] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:13:50,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:13:50,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:13:50,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728883824] [2025-02-08 08:13:50,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:13:50,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 08:13:50,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:13:50,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 08:13:50,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 08:13:50,821 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 187 [2025-02-08 08:13:50,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 187 transitions, 378 flow. Second operand has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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) [2025-02-08 08:13:50,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:13:50,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 187 [2025-02-08 08:13:50,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:13:50,942 INFO L124 PetriNetUnfolderBase]: 95/297 cut-off events. [2025-02-08 08:13:50,943 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:13:50,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 297 events. 95/297 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1433 event pairs, 57 based on Foata normal form. 20/270 useless extension candidates. Maximal degree in co-relation 477. Up to 189 conditions per place. [2025-02-08 08:13:50,945 INFO L140 encePairwiseOnDemand]: 174/187 looper letters, 66 selfloop transitions, 0 changer transitions 0/121 dead transitions. [2025-02-08 08:13:50,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 121 transitions, 378 flow [2025-02-08 08:13:50,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 08:13:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 08:13:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 231 transitions. [2025-02-08 08:13:50,958 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6176470588235294 [2025-02-08 08:13:50,959 INFO L175 Difference]: Start difference. First operand has 150 places, 187 transitions, 378 flow. Second operand 2 states and 231 transitions. [2025-02-08 08:13:50,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 121 transitions, 378 flow [2025-02-08 08:13:50,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 121 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 08:13:50,965 INFO L231 Difference]: Finished difference. Result has 106 places, 121 transitions, 246 flow [2025-02-08 08:13:50,967 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=246, PETRI_PLACES=106, PETRI_TRANSITIONS=121} [2025-02-08 08:13:50,970 INFO L279 CegarLoopForPetriNet]: 150 programPoint places, -44 predicate places. [2025-02-08 08:13:50,970 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 121 transitions, 246 flow [2025-02-08 08:13:50,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 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) [2025-02-08 08:13:50,970 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:13:50,970 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1] [2025-02-08 08:13:50,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:13:50,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONMEMORY_LEAK, thr1Err8ASSERT_VIOLATIONMEMORY_LEAK, thr1Err4ASSERT_VIOLATIONMEMORY_LEAK, thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (and 18 more)] === [2025-02-08 08:13:50,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:13:50,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1115597939, now seen corresponding path program 1 times [2025-02-08 08:13:50,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:13:50,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742901479] [2025-02-08 08:13:50,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:13:50,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:13:50,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:13:50,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:13:50,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:13:50,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:13:50,995 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 08:13:51,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:13:51,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:13:51,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:13:51,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:13:51,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 08:13:51,027 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 08:13:51,028 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining) [2025-02-08 08:13:51,029 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (20 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONMEMORY_LEAK (19 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONMEMORY_LEAK (18 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (17 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONMEMORY_LEAK (16 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONMEMORY_LEAK (15 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONMEMORY_LEAK (14 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONMEMORY_LEAK (13 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (12 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (11 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (10 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (9 of 22 remaining) [2025-02-08 08:13:51,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONMEMORY_LEAK (8 of 22 remaining) [2025-02-08 08:13:51,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONMEMORY_LEAK (7 of 22 remaining) [2025-02-08 08:13:51,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (6 of 22 remaining) [2025-02-08 08:13:51,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONMEMORY_LEAK (5 of 22 remaining) [2025-02-08 08:13:51,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONMEMORY_LEAK (4 of 22 remaining) [2025-02-08 08:13:51,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONMEMORY_LEAK (3 of 22 remaining) [2025-02-08 08:13:51,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONMEMORY_LEAK (2 of 22 remaining) [2025-02-08 08:13:51,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (1 of 22 remaining) [2025-02-08 08:13:51,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (0 of 22 remaining) [2025-02-08 08:13:51,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:13:51,032 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 08:13:51,034 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 08:13:51,034 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 08:13:51,112 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:13:51,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 293 places, 368 transitions, 746 flow [2025-02-08 08:13:51,191 INFO L124 PetriNetUnfolderBase]: 80/376 cut-off events. [2025-02-08 08:13:51,192 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 08:13:51,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 376 events. 80/376 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2256 event pairs, 0 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 364. Up to 8 conditions per place. [2025-02-08 08:13:51,197 INFO L82 GeneralOperation]: Start removeDead. Operand has 293 places, 368 transitions, 746 flow [2025-02-08 08:13:51,201 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 293 places, 368 transitions, 746 flow [2025-02-08 08:13:51,202 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:13:51,202 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;@6020a49c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:13:51,202 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2025-02-08 08:13:51,203 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:13:51,203 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2025-02-08 08:13:51,203 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:13:51,203 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:13:51,203 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-02-08 08:13:51,203 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err5ASSERT_VIOLATIONMEMORY_LEAK, thr1Err8ASSERT_VIOLATIONMEMORY_LEAK, thr1Err4ASSERT_VIOLATIONMEMORY_LEAK, thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (and 28 more)] === [2025-02-08 08:13:51,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:13:51,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1525979, now seen corresponding path program 1 times [2025-02-08 08:13:51,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:13:51,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177785448] [2025-02-08 08:13:51,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:13:51,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:13:51,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 08:13:51,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 08:13:51,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:13:51,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:13:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:13:51,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:13:51,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177785448] [2025-02-08 08:13:51,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177785448] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:13:51,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:13:51,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:13:51,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358439786] [2025-02-08 08:13:51,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:13:51,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 08:13:51,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:13:51,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 08:13:51,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 08:13:51,218 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 368 [2025-02-08 08:13:51,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 368 transitions, 746 flow. Second operand has 2 states, 2 states have (on average 151.0) internal successors, (302), 2 states have internal predecessors, (302), 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) [2025-02-08 08:13:51,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:13:51,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 368 [2025-02-08 08:13:51,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:13:52,869 INFO L124 PetriNetUnfolderBase]: 13038/25234 cut-off events. [2025-02-08 08:13:52,870 INFO L125 PetriNetUnfolderBase]: For 177/177 co-relation queries the response was YES. [2025-02-08 08:13:52,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44242 conditions, 25234 events. 13038/25234 cut-off events. For 177/177 co-relation queries the response was YES. Maximal size of possible extension queue 1279. Compared 237063 event pairs, 10318 based on Foata normal form. 2340/23014 useless extension candidates. Maximal degree in co-relation 42743. Up to 18826 conditions per place. [2025-02-08 08:13:53,044 INFO L140 encePairwiseOnDemand]: 343/368 looper letters, 130 selfloop transitions, 0 changer transitions 0/239 dead transitions. [2025-02-08 08:13:53,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 239 transitions, 748 flow [2025-02-08 08:13:53,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 08:13:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 08:13:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 455 transitions. [2025-02-08 08:13:53,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6182065217391305 [2025-02-08 08:13:53,047 INFO L175 Difference]: Start difference. First operand has 293 places, 368 transitions, 746 flow. Second operand 2 states and 455 transitions. [2025-02-08 08:13:53,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 239 transitions, 748 flow [2025-02-08 08:13:53,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 239 transitions, 748 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 08:13:53,051 INFO L231 Difference]: Finished difference. Result has 207 places, 239 transitions, 488 flow [2025-02-08 08:13:53,051 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=488, PETRI_PLACES=207, PETRI_TRANSITIONS=239} [2025-02-08 08:13:53,052 INFO L279 CegarLoopForPetriNet]: 293 programPoint places, -86 predicate places. [2025-02-08 08:13:53,052 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 239 transitions, 488 flow [2025-02-08 08:13:53,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 151.0) internal successors, (302), 2 states have internal predecessors, (302), 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) [2025-02-08 08:13:53,052 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:13:53,052 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1] [2025-02-08 08:13:53,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:13:53,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err5ASSERT_VIOLATIONMEMORY_LEAK, thr1Err8ASSERT_VIOLATIONMEMORY_LEAK, thr1Err4ASSERT_VIOLATIONMEMORY_LEAK, thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (and 28 more)] === [2025-02-08 08:13:53,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:13:53,053 INFO L85 PathProgramCache]: Analyzing trace with hash 994856112, now seen corresponding path program 1 times [2025-02-08 08:13:53,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:13:53,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499076643] [2025-02-08 08:13:53,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:13:53,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:13:53,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:13:53,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:13:53,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:13:53,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:13:53,062 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 08:13:53,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:13:53,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:13:53,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:13:53,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:13:53,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 08:13:53,070 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 08:13:53,070 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (30 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONMEMORY_LEAK (29 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONMEMORY_LEAK (28 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (27 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONMEMORY_LEAK (26 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONMEMORY_LEAK (25 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONMEMORY_LEAK (24 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONMEMORY_LEAK (23 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (22 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (21 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (20 of 32 remaining) [2025-02-08 08:13:53,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (19 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONMEMORY_LEAK (18 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONMEMORY_LEAK (17 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (16 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONMEMORY_LEAK (15 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONMEMORY_LEAK (14 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONMEMORY_LEAK (13 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONMEMORY_LEAK (12 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (11 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (10 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONMEMORY_LEAK (9 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONMEMORY_LEAK (8 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONMEMORY_LEAK (7 of 32 remaining) [2025-02-08 08:13:53,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (6 of 32 remaining) [2025-02-08 08:13:53,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONMEMORY_LEAK (5 of 32 remaining) [2025-02-08 08:13:53,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONMEMORY_LEAK (4 of 32 remaining) [2025-02-08 08:13:53,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONMEMORY_LEAK (3 of 32 remaining) [2025-02-08 08:13:53,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONMEMORY_LEAK (2 of 32 remaining) [2025-02-08 08:13:53,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONMEMORY_LEAK (1 of 32 remaining) [2025-02-08 08:13:53,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONMEMORY_LEAK (0 of 32 remaining) [2025-02-08 08:13:53,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:13:53,073 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 08:13:53,074 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 08:13:53,074 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-08 08:13:53,134 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 08:13:53,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 436 places, 549 transitions, 1116 flow [2025-02-08 08:13:53,183 INFO L124 PetriNetUnfolderBase]: 120/561 cut-off events. [2025-02-08 08:13:53,184 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 08:13:53,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 561 events. 120/561 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3890 event pairs, 0 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 544. Up to 8 conditions per place. [2025-02-08 08:13:53,197 INFO L82 GeneralOperation]: Start removeDead. Operand has 436 places, 549 transitions, 1116 flow [2025-02-08 08:13:53,203 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 436 places, 549 transitions, 1116 flow [2025-02-08 08:13:53,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:13:53,204 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;@6020a49c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:13:53,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-02-08 08:13:53,205 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:13:53,205 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2025-02-08 08:13:53,205 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:13:53,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:13:53,206 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-02-08 08:13:53,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thr1Err5ASSERT_VIOLATIONMEMORY_LEAK, thr1Err8ASSERT_VIOLATIONMEMORY_LEAK, thr1Err4ASSERT_VIOLATIONMEMORY_LEAK, thr1Err7ASSERT_VIOLATIONMEMORY_LEAK (and 38 more)] === [2025-02-08 08:13:53,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:13:53,206 INFO L85 PathProgramCache]: Analyzing trace with hash 2071136, now seen corresponding path program 1 times [2025-02-08 08:13:53,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:13:53,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405059536] [2025-02-08 08:13:53,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:13:53,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:13:53,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 08:13:53,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 08:13:53,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:13:53,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:13:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:13:53,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:13:53,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405059536] [2025-02-08 08:13:53,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405059536] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:13:53,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:13:53,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:13:53,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646424606] [2025-02-08 08:13:53,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:13:53,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 08:13:53,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:13:53,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 08:13:53,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 08:13:53,234 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 549 [2025-02-08 08:13:53,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 436 places, 549 transitions, 1116 flow. Second operand has 2 states, 2 states have (on average 225.0) internal successors, (450), 2 states have internal predecessors, (450), 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) [2025-02-08 08:13:53,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:13:53,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 549 [2025-02-08 08:13:53,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand