./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_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 55711f117aca8cc6da45707674eed41f8615ce4fb09ace088988b9afc0dc0851 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:41:35,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:41:35,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:41:35,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:41:35,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:41:35,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:41:35,723 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:41:35,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:41:35,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:41:35,724 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:41:35,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:41:35,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:41:35,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:41:35,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:41:35,726 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:41:35,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:41:35,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:41:35,727 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:41:35,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:41:35,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:41:35,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:41:35,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:41:35,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:41:35,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:41:35,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:41:35,732 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:41:35,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:41:35,733 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:41:35,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:41:35,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:41:35,734 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:41:35,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:41:35,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:41:35,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:41:35,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:41:35,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:41:35,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:41:35,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:41:35,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:41:35,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:41:35,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:41:35,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:41:35,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:41:35,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:41:35,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55711f117aca8cc6da45707674eed41f8615ce4fb09ace088988b9afc0dc0851 [2024-11-17 07:41:36,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:41:36,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:41:36,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:41:36,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:41:36,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:41:36,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-17 07:41:37,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:41:37,846 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:41:37,846 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-17 07:41:37,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/293368bff/a7e6733e62274d06a850d59891391fd6/FLAG4f60f0a7c [2024-11-17 07:41:37,884 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/293368bff/a7e6733e62274d06a850d59891391fd6 [2024-11-17 07:41:37,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:41:37,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:41:37,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:41:37,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:41:37,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:41:37,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:41:37" (1/1) ... [2024-11-17 07:41:37,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d9c652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:37, skipping insertion in model container [2024-11-17 07:41:37,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:41:37" (1/1) ... [2024-11-17 07:41:37,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:41:38,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:41:38,325 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:41:38,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:41:38,425 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:41:38,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38 WrapperNode [2024-11-17 07:41:38,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:41:38,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:41:38,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:41:38,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:41:38,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,479 INFO L138 Inliner]: procedures = 176, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-17 07:41:38,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:41:38,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:41:38,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:41:38,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:41:38,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,521 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]. [2024-11-17 07:41:38,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,531 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:41:38,547 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:41:38,547 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:41:38,547 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:41:38,548 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (1/1) ... [2024-11-17 07:41:38,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:41:38,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:41:38,582 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) [2024-11-17 07:41:38,589 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 [2024-11-17 07:41:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 07:41:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:41:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 07:41:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 07:41:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 07:41:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 07:41:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 07:41:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 07:41:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-17 07:41:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-17 07:41:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:41:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 07:41:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:41:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:41:38,648 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 07:41:38,795 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:41:38,797 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:41:38,990 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 07:41:38,991 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:41:39,106 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:41:39,106 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:41:39,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:39 BoogieIcfgContainer [2024-11-17 07:41:39,107 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:41:39,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:41:39,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:41:39,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:41:39,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:41:37" (1/3) ... [2024-11-17 07:41:39,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186e921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:41:39, skipping insertion in model container [2024-11-17 07:41:39,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:38" (2/3) ... [2024-11-17 07:41:39,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186e921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:41:39, skipping insertion in model container [2024-11-17 07:41:39,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:39" (3/3) ... [2024-11-17 07:41:39,119 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-17 07:41:39,136 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:41:39,136 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 07:41:39,136 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 07:41:39,263 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 07:41:39,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 48 transitions, 112 flow [2024-11-17 07:41:39,342 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-11-17 07:41:39,345 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:41:39,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 118 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-17 07:41:39,348 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 48 transitions, 112 flow [2024-11-17 07:41:39,352 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 44 transitions, 100 flow [2024-11-17 07:41:39,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:41:39,374 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;@1e54be17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:41:39,374 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-17 07:41:39,379 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 07:41:39,382 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2024-11-17 07:41:39,382 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:41:39,383 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:39,383 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:39,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:39,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:39,389 INFO L85 PathProgramCache]: Analyzing trace with hash 657068180, now seen corresponding path program 1 times [2024-11-17 07:41:39,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:39,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414872000] [2024-11-17 07:41:39,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:39,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:39,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:39,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414872000] [2024-11-17 07:41:39,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414872000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:39,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:39,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 07:41:39,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489641534] [2024-11-17 07:41:39,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:39,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:41:39,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:39,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:41:39,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:41:39,709 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:39,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-17 07:41:39,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:39,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:39,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:45,036 INFO L124 PetriNetUnfolderBase]: 54177/71593 cut-off events. [2024-11-17 07:41:45,037 INFO L125 PetriNetUnfolderBase]: For 328/328 co-relation queries the response was YES. [2024-11-17 07:41:45,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143879 conditions, 71593 events. 54177/71593 cut-off events. For 328/328 co-relation queries the response was YES. Maximal size of possible extension queue 2392. Compared 426333 event pairs, 18771 based on Foata normal form. 0/56938 useless extension candidates. Maximal degree in co-relation 143867. Up to 67461 conditions per place. [2024-11-17 07:41:45,713 INFO L140 encePairwiseOnDemand]: 35/48 looper letters, 61 selfloop transitions, 5 changer transitions 0/70 dead transitions. [2024-11-17 07:41:45,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 70 transitions, 293 flow [2024-11-17 07:41:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:41:45,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 07:41:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2024-11-17 07:41:45,724 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6805555555555556 [2024-11-17 07:41:45,726 INFO L175 Difference]: Start difference. First operand has 57 places, 44 transitions, 100 flow. Second operand 3 states and 98 transitions. [2024-11-17 07:41:45,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 70 transitions, 293 flow [2024-11-17 07:41:45,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 70 transitions, 286 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 07:41:45,743 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 143 flow [2024-11-17 07:41:45,745 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=143, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2024-11-17 07:41:45,751 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2024-11-17 07:41:45,751 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 143 flow [2024-11-17 07:41:45,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-17 07:41:45,752 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:45,752 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:45,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:41:45,753 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:45,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:45,754 INFO L85 PathProgramCache]: Analyzing trace with hash 311766809, now seen corresponding path program 1 times [2024-11-17 07:41:45,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:45,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082054461] [2024-11-17 07:41:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:45,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:45,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:45,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082054461] [2024-11-17 07:41:45,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082054461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:45,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:45,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:41:45,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950783040] [2024-11-17 07:41:45,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:45,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:41:45,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:45,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:41:45,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:41:45,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:45,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 143 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-17 07:41:45,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:45,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:45,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:48,057 INFO L124 PetriNetUnfolderBase]: 34379/45535 cut-off events. [2024-11-17 07:41:48,057 INFO L125 PetriNetUnfolderBase]: For 2992/2992 co-relation queries the response was YES. [2024-11-17 07:41:48,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104686 conditions, 45535 events. 34379/45535 cut-off events. For 2992/2992 co-relation queries the response was YES. Maximal size of possible extension queue 1534. Compared 261769 event pairs, 10401 based on Foata normal form. 0/40224 useless extension candidates. Maximal degree in co-relation 104675. Up to 41402 conditions per place. [2024-11-17 07:41:48,463 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 57 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-11-17 07:41:48,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 66 transitions, 301 flow [2024-11-17 07:41:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:41:48,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:41:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 98 transitions. [2024-11-17 07:41:48,467 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5104166666666666 [2024-11-17 07:41:48,467 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 143 flow. Second operand 4 states and 98 transitions. [2024-11-17 07:41:48,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 66 transitions, 301 flow [2024-11-17 07:41:48,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 66 transitions, 296 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 07:41:48,477 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 132 flow [2024-11-17 07:41:48,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=132, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2024-11-17 07:41:48,478 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-11-17 07:41:48,479 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 132 flow [2024-11-17 07:41:48,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-17 07:41:48,480 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:48,480 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:48,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:41:48,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:48,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:48,481 INFO L85 PathProgramCache]: Analyzing trace with hash 311766810, now seen corresponding path program 1 times [2024-11-17 07:41:48,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:48,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113100009] [2024-11-17 07:41:48,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:48,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:48,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:48,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113100009] [2024-11-17 07:41:48,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113100009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:48,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:48,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:41:48,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758084434] [2024-11-17 07:41:48,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:48,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:41:48,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:48,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:41:48,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:41:48,554 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:48,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-17 07:41:48,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:48,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:48,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:50,889 INFO L124 PetriNetUnfolderBase]: 25093/33453 cut-off events. [2024-11-17 07:41:50,890 INFO L125 PetriNetUnfolderBase]: For 5026/5026 co-relation queries the response was YES. [2024-11-17 07:41:50,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75539 conditions, 33453 events. 25093/33453 cut-off events. For 5026/5026 co-relation queries the response was YES. Maximal size of possible extension queue 1047. Compared 186386 event pairs, 4717 based on Foata normal form. 0/31650 useless extension candidates. Maximal degree in co-relation 75527. Up to 19305 conditions per place. [2024-11-17 07:41:51,128 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 81 selfloop transitions, 9 changer transitions 0/94 dead transitions. [2024-11-17 07:41:51,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 94 transitions, 430 flow [2024-11-17 07:41:51,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:41:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:41:51,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-11-17 07:41:51,130 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.65625 [2024-11-17 07:41:51,130 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 132 flow. Second operand 4 states and 126 transitions. [2024-11-17 07:41:51,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 94 transitions, 430 flow [2024-11-17 07:41:51,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 94 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 07:41:51,143 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 184 flow [2024-11-17 07:41:51,143 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2024-11-17 07:41:51,144 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2024-11-17 07:41:51,144 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 184 flow [2024-11-17 07:41:51,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-17 07:41:51,145 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:51,145 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:51,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:41:51,146 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:51,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:51,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1110698649, now seen corresponding path program 1 times [2024-11-17 07:41:51,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:51,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641168084] [2024-11-17 07:41:51,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:51,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:51,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:51,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641168084] [2024-11-17 07:41:51,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641168084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:51,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:51,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:41:51,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217504029] [2024-11-17 07:41:51,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:51,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:41:51,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:51,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:41:51,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:41:51,289 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:51,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-17 07:41:51,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:51,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:51,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:52,710 INFO L124 PetriNetUnfolderBase]: 21205/28197 cut-off events. [2024-11-17 07:41:52,711 INFO L125 PetriNetUnfolderBase]: For 12120/12120 co-relation queries the response was YES. [2024-11-17 07:41:52,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70332 conditions, 28197 events. 21205/28197 cut-off events. For 12120/12120 co-relation queries the response was YES. Maximal size of possible extension queue 954. Compared 154476 event pairs, 3129 based on Foata normal form. 0/27930 useless extension candidates. Maximal degree in co-relation 70319. Up to 10016 conditions per place. [2024-11-17 07:41:52,860 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 99 selfloop transitions, 13 changer transitions 4/120 dead transitions. [2024-11-17 07:41:52,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 120 transitions, 588 flow [2024-11-17 07:41:52,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:41:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 07:41:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 160 transitions. [2024-11-17 07:41:52,862 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-17 07:41:52,862 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 184 flow. Second operand 5 states and 160 transitions. [2024-11-17 07:41:52,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 120 transitions, 588 flow [2024-11-17 07:41:52,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 120 transitions, 570 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-17 07:41:52,880 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 208 flow [2024-11-17 07:41:52,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=208, PETRI_PLACES=59, PETRI_TRANSITIONS=48} [2024-11-17 07:41:52,881 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2024-11-17 07:41:52,882 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 208 flow [2024-11-17 07:41:52,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-17 07:41:52,882 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:52,882 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:52,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:41:52,883 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:52,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:52,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1186559098, now seen corresponding path program 1 times [2024-11-17 07:41:52,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:52,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014479709] [2024-11-17 07:41:52,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:52,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:52,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:52,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014479709] [2024-11-17 07:41:52,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014479709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:52,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:52,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:41:52,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016784466] [2024-11-17 07:41:52,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:52,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:41:52,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:52,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:41:52,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:41:52,984 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:52,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 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) [2024-11-17 07:41:52,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:52,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:52,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:54,518 INFO L124 PetriNetUnfolderBase]: 20245/26901 cut-off events. [2024-11-17 07:41:54,519 INFO L125 PetriNetUnfolderBase]: For 19136/19136 co-relation queries the response was YES. [2024-11-17 07:41:54,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68377 conditions, 26901 events. 20245/26901 cut-off events. For 19136/19136 co-relation queries the response was YES. Maximal size of possible extension queue 954. Compared 148404 event pairs, 2961 based on Foata normal form. 224/27082 useless extension candidates. Maximal degree in co-relation 68363. Up to 10016 conditions per place. [2024-11-17 07:41:54,613 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2024-11-17 07:41:54,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 112 transitions, 540 flow [2024-11-17 07:41:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:41:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 07:41:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 160 transitions. [2024-11-17 07:41:54,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-11-17 07:41:54,615 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 208 flow. Second operand 6 states and 160 transitions. [2024-11-17 07:41:54,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 112 transitions, 540 flow [2024-11-17 07:41:55,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 112 transitions, 485 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-17 07:41:55,267 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-11-17 07:41:55,267 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2024-11-17 07:41:55,268 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-11-17 07:41:55,269 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-11-17 07:41:55,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 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) [2024-11-17 07:41:55,272 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-17 07:41:55,272 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-17 07:41:55,272 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-17 07:41:55,273 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-17 07:41:55,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-17 07:41:55,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-17 07:41:55,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-17 07:41:55,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-17 07:41:55,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-17 07:41:55,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-17 07:41:55,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-17 07:41:55,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-17 07:41:55,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-17 07:41:55,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-17 07:41:55,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-17 07:41:55,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-17 07:41:55,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-17 07:41:55,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-17 07:41:55,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-17 07:41:55,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-17 07:41:55,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:41:55,280 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-17 07:41:55,286 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 07:41:55,286 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:41:55,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:41:55 BasicIcfg [2024-11-17 07:41:55,296 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:41:55,296 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:41:55,296 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:41:55,297 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:41:55,297 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:39" (3/4) ... [2024-11-17 07:41:55,299 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 07:41:55,301 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-17 07:41:55,302 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-17 07:41:55,302 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-17 07:41:55,302 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-17 07:41:55,308 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2024-11-17 07:41:55,309 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-17 07:41:55,309 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-17 07:41:55,309 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-17 07:41:55,387 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 07:41:55,390 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 07:41:55,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:41:55,391 INFO L158 Benchmark]: Toolchain (without parser) took 17502.93ms. Allocated memory was 172.0MB in the beginning and 10.3GB in the end (delta: 10.1GB). Free memory was 134.4MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-17 07:41:55,391 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:41:55,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.82ms. Allocated memory is still 172.0MB. Free memory was 133.4MB in the beginning and 111.3MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-17 07:41:55,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.40ms. Allocated memory is still 172.0MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:41:55,392 INFO L158 Benchmark]: Boogie Preprocessor took 65.87ms. Allocated memory is still 172.0MB. Free memory was 109.2MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 07:41:55,392 INFO L158 Benchmark]: IcfgBuilder took 560.18ms. Allocated memory is still 172.0MB. Free memory was 107.1MB in the beginning and 81.0MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-17 07:41:55,393 INFO L158 Benchmark]: TraceAbstraction took 16186.98ms. Allocated memory was 172.0MB in the beginning and 10.3GB in the end (delta: 10.1GB). Free memory was 79.8MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-17 07:41:55,393 INFO L158 Benchmark]: Witness Printer took 93.60ms. Allocated memory is still 10.3GB. Free memory was 9.0GB in the beginning and 9.0GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:41:55,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.82ms. Allocated memory is still 172.0MB. Free memory was 133.4MB in the beginning and 111.3MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.40ms. Allocated memory is still 172.0MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.87ms. Allocated memory is still 172.0MB. Free memory was 109.2MB in the beginning and 107.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 560.18ms. Allocated memory is still 172.0MB. Free memory was 107.1MB in the beginning and 81.0MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 16186.98ms. Allocated memory was 172.0MB in the beginning and 10.3GB in the end (delta: 10.1GB). Free memory was 79.8MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 93.60ms. Allocated memory is still 10.3GB. Free memory was 9.0GB in the beginning and 9.0GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 732]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 732]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 759]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 759]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: 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, 87 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: 16.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 308 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 548 IncrementalHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 0 mSDtfsCounter, 548 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=208occurred 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, 0.5s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 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! [2024-11-17 07:41:55,428 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