./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:47:53,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:47:53,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:47:53,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:47:53,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:47:54,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:47:54,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:47:54,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:47:54,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:47:54,023 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:47:54,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:47:54,023 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:47:54,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:47:54,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:47:54,024 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:47:54,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:47:54,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:47:54,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:47:54,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:47:54,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:47:54,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:47:54,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:47:54,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:47:54,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:47:54,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:47:54,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:47:54,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:47:54,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:47:54,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:47:54,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:47:54,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:47:54,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:47:54,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:47:54,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:47:54,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:47:54,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:47:54,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:47:54,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:47:54,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:47:54,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:47:54,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:47:54,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:47:54,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:47:54,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:47:54,035 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb5b5f76ea992c17ebcf5a0e506a820a4d574c4d0723905971e2f5f6725ae203 [2024-11-20 21:47:54,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:47:54,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:47:54,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:47:54,329 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:47:54,330 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:47:54,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-11-20 21:47:55,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:47:55,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:47:55,997 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-11-20 21:47:56,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90149d4f9/adffc5655a624ee79150a87cfd7f4fdc/FLAGed901375a [2024-11-20 21:47:56,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90149d4f9/adffc5655a624ee79150a87cfd7f4fdc [2024-11-20 21:47:56,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:47:56,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:47:56,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:47:56,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:47:56,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:47:56,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:56,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1357a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56, skipping insertion in model container [2024-11-20 21:47:56,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:56,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:47:56,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:47:56,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:47:56,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:47:56,899 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:47:56,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56 WrapperNode [2024-11-20 21:47:56,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:47:56,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:47:56,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:47:56,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:47:56,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:56,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:56,983 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 142 [2024-11-20 21:47:56,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:47:56,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:47:56,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:47:56,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:47:56,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:56,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:56,998 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:57,012 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]. [2024-11-20 21:47:57,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:57,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:57,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:57,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:57,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:57,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:57,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:47:57,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:47:57,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:47:57,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:47:57,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (1/1) ... [2024-11-20 21:47:57,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:47:57,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:47:57,072 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) [2024-11-20 21:47:57,079 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 [2024-11-20 21:47:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 21:47:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:47:57,125 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 21:47:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 21:47:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 21:47:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 21:47:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 21:47:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 21:47:57,126 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-20 21:47:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-20 21:47:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:47:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 21:47:57,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:47:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:47:57,130 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 21:47:57,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:47:57,291 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:47:57,588 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:47:57,588 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:47:57,805 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:47:57,805 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:47:57,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:47:57 BoogieIcfgContainer [2024-11-20 21:47:57,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:47:57,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:47:57,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:47:57,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:47:57,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:47:56" (1/3) ... [2024-11-20 21:47:57,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a905010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:47:57, skipping insertion in model container [2024-11-20 21:47:57,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:47:56" (2/3) ... [2024-11-20 21:47:57,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a905010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:47:57, skipping insertion in model container [2024-11-20 21:47:57,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:47:57" (3/3) ... [2024-11-20 21:47:57,811 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2024-11-20 21:47:57,823 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:47:57,824 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 21:47:57,824 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:47:57,884 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 21:47:57,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2024-11-20 21:47:58,008 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2024-11-20 21:47:58,009 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:47:58,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 114 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-20 21:47:58,012 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2024-11-20 21:47:58,015 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2024-11-20 21:47:58,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:47:58,035 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2bb4532f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:47:58,036 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-20 21:47:58,043 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:47:58,043 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-20 21:47:58,043 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:47:58,044 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:47:58,044 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:47:58,045 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:47:58,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:47:58,050 INFO L85 PathProgramCache]: Analyzing trace with hash 554890293, now seen corresponding path program 1 times [2024-11-20 21:47:58,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:47:58,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205839776] [2024-11-20 21:47:58,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:47:58,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:47:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:47:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:47:58,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:47:58,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205839776] [2024-11-20 21:47:58,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205839776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:47:58,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:47:58,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 21:47:58,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998978845] [2024-11-20 21:47:58,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:47:58,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:47:58,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:47:58,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:47:58,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:47:58,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-20 21:47:58,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-20 21:47:58,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:47:58,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-20 21:47:58,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:00,725 INFO L124 PetriNetUnfolderBase]: 13498/18182 cut-off events. [2024-11-20 21:48:00,726 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-11-20 21:48:00,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36613 conditions, 18182 events. 13498/18182 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 1608. Compared 121473 event pairs, 6710 based on Foata normal form. 0/12500 useless extension candidates. Maximal degree in co-relation 36601. Up to 18081 conditions per place. [2024-11-20 21:48:00,907 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 43 selfloop transitions, 5 changer transitions 0/65 dead transitions. [2024-11-20 21:48:00,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 65 transitions, 247 flow [2024-11-20 21:48:00,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:48:00,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 21:48:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-11-20 21:48:00,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7628205128205128 [2024-11-20 21:48:00,922 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 119 transitions. [2024-11-20 21:48:00,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 65 transitions, 247 flow [2024-11-20 21:48:00,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 65 transitions, 240 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 21:48:00,932 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2024-11-20 21:48:00,934 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-20 21:48:00,939 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-20 21:48:00,940 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2024-11-20 21:48:00,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-11-20 21:48:00,940 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:00,940 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:00,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:48:00,941 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:00,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:00,942 INFO L85 PathProgramCache]: Analyzing trace with hash 344445317, now seen corresponding path program 1 times [2024-11-20 21:48:00,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:00,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68205438] [2024-11-20 21:48:00,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:00,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:01,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:01,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68205438] [2024-11-20 21:48:01,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68205438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:01,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:01,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:48:01,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686855933] [2024-11-20 21:48:01,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:01,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:48:01,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:01,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:48:01,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:48:01,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-20 21:48:01,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-20 21:48:01,039 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:01,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-20 21:48:01,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:02,203 INFO L124 PetriNetUnfolderBase]: 6591/8985 cut-off events. [2024-11-20 21:48:02,204 INFO L125 PetriNetUnfolderBase]: For 775/775 co-relation queries the response was YES. [2024-11-20 21:48:02,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21896 conditions, 8985 events. 6591/8985 cut-off events. For 775/775 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 55535 event pairs, 2855 based on Foata normal form. 0/7179 useless extension candidates. Maximal degree in co-relation 21885. Up to 8883 conditions per place. [2024-11-20 21:48:02,268 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 39 selfloop transitions, 5 changer transitions 0/61 dead transitions. [2024-11-20 21:48:02,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 61 transitions, 255 flow [2024-11-20 21:48:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:48:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:48:02,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2024-11-20 21:48:02,271 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6346153846153846 [2024-11-20 21:48:02,271 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 132 transitions. [2024-11-20 21:48:02,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 61 transitions, 255 flow [2024-11-20 21:48:02,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 61 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:48:02,273 INFO L231 Difference]: Finished difference. Result has 58 places, 48 transitions, 140 flow [2024-11-20 21:48:02,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2024-11-20 21:48:02,274 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-20 21:48:02,274 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 140 flow [2024-11-20 21:48:02,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-20 21:48:02,275 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:02,276 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:48:02,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:48:02,277 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:02,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:02,278 INFO L85 PathProgramCache]: Analyzing trace with hash 344445318, now seen corresponding path program 1 times [2024-11-20 21:48:02,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:02,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820483287] [2024-11-20 21:48:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:02,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:02,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:02,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820483287] [2024-11-20 21:48:02,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820483287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:02,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:02,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:48:02,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751149358] [2024-11-20 21:48:02,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:02,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:48:02,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:02,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:48:02,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:48:02,399 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-20 21:48:02,399 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-20 21:48:02,399 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:02,399 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-20 21:48:02,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:03,135 INFO L124 PetriNetUnfolderBase]: 4522/6274 cut-off events. [2024-11-20 21:48:03,136 INFO L125 PetriNetUnfolderBase]: For 851/851 co-relation queries the response was YES. [2024-11-20 21:48:03,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14915 conditions, 6274 events. 4522/6274 cut-off events. For 851/851 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 37167 event pairs, 942 based on Foata normal form. 0/5412 useless extension candidates. Maximal degree in co-relation 14903. Up to 5625 conditions per place. [2024-11-20 21:48:03,177 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 54 selfloop transitions, 9 changer transitions 0/80 dead transitions. [2024-11-20 21:48:03,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 80 transitions, 348 flow [2024-11-20 21:48:03,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:48:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:48:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 151 transitions. [2024-11-20 21:48:03,183 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7259615384615384 [2024-11-20 21:48:03,183 INFO L175 Difference]: Start difference. First operand has 58 places, 48 transitions, 140 flow. Second operand 4 states and 151 transitions. [2024-11-20 21:48:03,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 80 transitions, 348 flow [2024-11-20 21:48:03,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 80 transitions, 342 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 21:48:03,187 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 192 flow [2024-11-20 21:48:03,188 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2024-11-20 21:48:03,188 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2024-11-20 21:48:03,189 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 192 flow [2024-11-20 21:48:03,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-20 21:48:03,190 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:03,190 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] [2024-11-20 21:48:03,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:48:03,190 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:03,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:03,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1094218941, now seen corresponding path program 1 times [2024-11-20 21:48:03,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:03,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286921670] [2024-11-20 21:48:03,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:03,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:03,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:03,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286921670] [2024-11-20 21:48:03,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286921670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:03,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:03,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:48:03,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82079067] [2024-11-20 21:48:03,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:03,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:48:03,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:03,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:48:03,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:48:03,362 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-20 21:48:03,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 192 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-11-20 21:48:03,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:03,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-20 21:48:03,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:03,843 INFO L124 PetriNetUnfolderBase]: 2962/4150 cut-off events. [2024-11-20 21:48:03,844 INFO L125 PetriNetUnfolderBase]: For 2076/2076 co-relation queries the response was YES. [2024-11-20 21:48:03,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11345 conditions, 4150 events. 2962/4150 cut-off events. For 2076/2076 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 22874 event pairs, 152 based on Foata normal form. 0/3972 useless extension candidates. Maximal degree in co-relation 11332. Up to 2161 conditions per place. [2024-11-20 21:48:03,870 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 63 selfloop transitions, 13 changer transitions 4/97 dead transitions. [2024-11-20 21:48:03,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 97 transitions, 470 flow [2024-11-20 21:48:03,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:48:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 21:48:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 189 transitions. [2024-11-20 21:48:03,873 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7269230769230769 [2024-11-20 21:48:03,873 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 192 flow. Second operand 5 states and 189 transitions. [2024-11-20 21:48:03,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 97 transitions, 470 flow [2024-11-20 21:48:03,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 97 transitions, 452 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-20 21:48:03,879 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2024-11-20 21:48:03,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2024-11-20 21:48:03,881 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2024-11-20 21:48:03,881 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2024-11-20 21:48:03,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 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) [2024-11-20 21:48:03,881 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:48:03,881 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] [2024-11-20 21:48:03,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:48:03,882 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:48:03,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:48:03,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1284899593, now seen corresponding path program 1 times [2024-11-20 21:48:03,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:48:03,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367568418] [2024-11-20 21:48:03,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:48:03,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:48:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:48:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:48:04,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:48:04,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367568418] [2024-11-20 21:48:04,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367568418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:48:04,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:48:04,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:48:04,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921693499] [2024-11-20 21:48:04,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:48:04,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:48:04,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:48:04,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:48:04,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:48:04,071 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 52 [2024-11-20 21:48:04,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-11-20 21:48:04,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:48:04,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 52 [2024-11-20 21:48:04,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:48:04,596 INFO L124 PetriNetUnfolderBase]: 2290/3238 cut-off events. [2024-11-20 21:48:04,597 INFO L125 PetriNetUnfolderBase]: For 3964/3964 co-relation queries the response was YES. [2024-11-20 21:48:04,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9491 conditions, 3238 events. 2290/3238 cut-off events. For 3964/3964 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 18168 event pairs, 32 based on Foata normal form. 160/3380 useless extension candidates. Maximal degree in co-relation 9477. Up to 1340 conditions per place. [2024-11-20 21:48:04,609 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 89/89 dead transitions. [2024-11-20 21:48:04,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 89 transitions, 422 flow [2024-11-20 21:48:04,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:48:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 21:48:04,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 202 transitions. [2024-11-20 21:48:04,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6474358974358975 [2024-11-20 21:48:04,611 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 202 transitions. [2024-11-20 21:48:04,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 89 transitions, 422 flow [2024-11-20 21:48:04,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 89 transitions, 367 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-20 21:48:04,627 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2024-11-20 21:48:04,627 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2024-11-20 21:48:04,628 INFO L277 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-20 21:48:04,628 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2024-11-20 21:48:04,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-11-20 21:48:04,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-20 21:48:04,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-20 21:48:04,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-20 21:48:04,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-20 21:48:04,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-20 21:48:04,633 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-20 21:48:04,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-20 21:48:04,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-20 21:48:04,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-20 21:48:04,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-20 21:48:04,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-20 21:48:04,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-20 21:48:04,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-20 21:48:04,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-20 21:48:04,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-20 21:48:04,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-20 21:48:04,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-20 21:48:04,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-20 21:48:04,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-20 21:48:04,636 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-20 21:48:04,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:48:04,637 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 21:48:04,643 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:48:04,643 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:48:04,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:48:04 BasicIcfg [2024-11-20 21:48:04,649 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:48:04,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:48:04,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:48:04,650 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:48:04,650 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:47:57" (3/4) ... [2024-11-20 21:48:04,652 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:48:04,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 21:48:04,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 21:48:04,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 21:48:04,655 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-20 21:48:04,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2024-11-20 21:48:04,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-20 21:48:04,662 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-20 21:48:04,663 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-20 21:48:04,763 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:48:04,766 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:48:04,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:48:04,767 INFO L158 Benchmark]: Toolchain (without parser) took 8437.67ms. Allocated memory was 130.0MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 74.4MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 214.5MB. Max. memory is 16.1GB. [2024-11-20 21:48:04,767 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 130.0MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:48:04,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.23ms. Allocated memory is still 130.0MB. Free memory was 74.4MB in the beginning and 48.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-20 21:48:04,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.52ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 100.6MB in the beginning and 134.5MB in the end (delta: -33.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-20 21:48:04,768 INFO L158 Benchmark]: Boogie Preprocessor took 50.83ms. Allocated memory is still 163.6MB. Free memory was 134.5MB in the beginning and 131.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:48:04,768 INFO L158 Benchmark]: RCFGBuilder took 769.51ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 77.8MB in the end (delta: 53.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-20 21:48:04,770 INFO L158 Benchmark]: TraceAbstraction took 6842.25ms. Allocated memory was 163.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 77.0MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 489.7MB. Max. memory is 16.1GB. [2024-11-20 21:48:04,771 INFO L158 Benchmark]: Witness Printer took 116.74ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 21:48:04,772 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 130.0MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.23ms. Allocated memory is still 130.0MB. Free memory was 74.4MB in the beginning and 48.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.52ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 100.6MB in the beginning and 134.5MB in the end (delta: -33.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.83ms. Allocated memory is still 163.6MB. Free memory was 134.5MB in the beginning and 131.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 769.51ms. Allocated memory is still 163.6MB. Free memory was 131.1MB in the beginning and 77.8MB in the end (delta: 53.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6842.25ms. Allocated memory was 163.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 77.0MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 489.7MB. Max. memory is 16.1GB. * Witness Printer took 116.74ms. Allocated memory is still 1.8GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 807]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 807]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 95 locations, 20 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: 6.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 195 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 415 IncrementalHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 415 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 21:48:04,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE