./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix026_power.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 98d8aefe0e01e05845b14b6dd9685e093c9c5c7f8cc89a689bcb4822a773c420 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:08:44,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:08:44,730 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:08:44,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:08:44,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:08:44,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:08:44,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:08:44,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:08:44,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:08:44,760 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:08:44,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:08:44,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:08:44,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:08:44,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:08:44,763 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:08:44,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:08:44,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:08:44,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:08:44,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:08:44,764 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:08:44,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:08:44,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:08:44,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:08:44,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:08:44,770 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:08:44,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:08:44,770 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:08:44,770 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:08:44,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:08:44,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:08:44,771 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:08:44,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:08:44,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:08:44,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:08:44,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:08:44,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:08:44,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:08:44,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:08:44,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:08:44,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:08:44,773 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:08:44,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:08:44,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:08:44,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:08:44,776 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98d8aefe0e01e05845b14b6dd9685e093c9c5c7f8cc89a689bcb4822a773c420 [2024-11-10 22:08:44,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:08:44,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:08:44,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:08:44,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:08:44,999 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:08:45,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i [2024-11-10 22:08:46,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:08:46,533 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:08:46,533 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix026_power.opt_tso.opt.i [2024-11-10 22:08:46,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f869aab2e/232d8d2453784b53982a6eec2e6108ae/FLAGb596491fe [2024-11-10 22:08:46,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f869aab2e/232d8d2453784b53982a6eec2e6108ae [2024-11-10 22:08:46,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:08:46,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:08:46,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:08:46,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:08:46,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:08:46,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:08:46" (1/1) ... [2024-11-10 22:08:46,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6386631f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:46, skipping insertion in model container [2024-11-10 22:08:46,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:08:46" (1/1) ... [2024-11-10 22:08:46,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:08:47,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:08:47,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:08:47,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:08:47,790 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:08:47,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47 WrapperNode [2024-11-10 22:08:47,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:08:47,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:08:47,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:08:47,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:08:47,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,883 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 134 [2024-11-10 22:08:47,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:08:47,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:08:47,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:08:47,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:08:47,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,899 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,921 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]. [2024-11-10 22:08:47,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,934 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:08:47,947 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:08:47,947 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:08:47,947 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:08:47,948 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (1/1) ... [2024-11-10 22:08:47,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:08:47,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:08:47,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 22:08:47,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 22:08:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:08:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:08:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 22:08:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 22:08:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 22:08:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 22:08:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 22:08:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 22:08:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 22:08:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 22:08:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:08:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:08:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:08:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:08:48,033 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 22:08:48,138 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:08:48,139 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:08:48,364 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:08:48,365 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:08:48,605 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:08:48,605 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:08:48,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:08:48 BoogieIcfgContainer [2024-11-10 22:08:48,606 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:08:48,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:08:48,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:08:48,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:08:48,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:08:46" (1/3) ... [2024-11-10 22:08:48,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8b9da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:08:48, skipping insertion in model container [2024-11-10 22:08:48,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:08:47" (2/3) ... [2024-11-10 22:08:48,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8b9da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:08:48, skipping insertion in model container [2024-11-10 22:08:48,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:08:48" (3/3) ... [2024-11-10 22:08:48,623 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026_power.opt_tso.opt.i [2024-11-10 22:08:48,636 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:08:48,637 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 22:08:48,637 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:08:48,736 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 22:08:48,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 118 flow [2024-11-10 22:08:48,804 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-10 22:08:48,804 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:08:48,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 47 events. 0/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 126 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-10 22:08:48,807 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 118 flow [2024-11-10 22:08:48,809 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 47 transitions, 106 flow [2024-11-10 22:08:48,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:08:48,827 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;@3ce4dac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:08:48,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-10 22:08:48,832 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:08:48,832 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-10 22:08:48,833 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:08:48,833 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:08:48,833 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:08:48,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:08:48,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:08:48,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2147280091, now seen corresponding path program 1 times [2024-11-10 22:08:48,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:08:48,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764950955] [2024-11-10 22:08:48,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:08:48,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:08:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:08:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:08:49,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:08:49,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764950955] [2024-11-10 22:08:49,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764950955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:08:49,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:08:49,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 22:08:49,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070454827] [2024-11-10 22:08:49,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:08:49,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:08:49,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:08:49,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:08:49,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:08:49,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-10 22:08:49,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 106 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) [2024-11-10 22:08:49,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:08:49,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-10 22:08:49,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:08:56,471 INFO L124 PetriNetUnfolderBase]: 78483/103259 cut-off events. [2024-11-10 22:08:56,471 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2024-11-10 22:08:56,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207303 conditions, 103259 events. 78483/103259 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 2987. Compared 624487 event pairs, 25911 based on Foata normal form. 0/85140 useless extension candidates. Maximal degree in co-relation 207291. Up to 93953 conditions per place. [2024-11-10 22:08:57,086 INFO L140 encePairwiseOnDemand]: 38/51 looper letters, 67 selfloop transitions, 5 changer transitions 0/76 dead transitions. [2024-11-10 22:08:57,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 76 transitions, 317 flow [2024-11-10 22:08:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:08:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 22:08:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2024-11-10 22:08:57,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6797385620915033 [2024-11-10 22:08:57,097 INFO L175 Difference]: Start difference. First operand has 60 places, 47 transitions, 106 flow. Second operand 3 states and 104 transitions. [2024-11-10 22:08:57,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 76 transitions, 317 flow [2024-11-10 22:08:57,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 76 transitions, 310 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 22:08:57,113 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 149 flow [2024-11-10 22:08:57,115 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-11-10 22:08:57,117 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-10 22:08:57,118 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 149 flow [2024-11-10 22:08:57,118 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) [2024-11-10 22:08:57,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:08:57,118 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:08:57,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:08:57,119 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:08:57,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:08:57,119 INFO L85 PathProgramCache]: Analyzing trace with hash -221477076, now seen corresponding path program 1 times [2024-11-10 22:08:57,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:08:57,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755116386] [2024-11-10 22:08:57,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:08:57,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:08:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:08:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:08:57,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:08:57,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755116386] [2024-11-10 22:08:57,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755116386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:08:57,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:08:57,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:08:57,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704771730] [2024-11-10 22:08:57,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:08:57,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:08:57,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:08:57,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:08:57,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:08:57,261 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-10 22:08:57,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:08:57,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:08:57,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-10 22:08:57,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:03,218 INFO L124 PetriNetUnfolderBase]: 63230/84488 cut-off events. [2024-11-10 22:09:03,219 INFO L125 PetriNetUnfolderBase]: For 4621/4621 co-relation queries the response was YES. [2024-11-10 22:09:03,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191340 conditions, 84488 events. 63230/84488 cut-off events. For 4621/4621 co-relation queries the response was YES. Maximal size of possible extension queue 2330. Compared 517813 event pairs, 13110 based on Foata normal form. 0/74693 useless extension candidates. Maximal degree in co-relation 191329. Up to 41665 conditions per place. [2024-11-10 22:09:03,625 INFO L140 encePairwiseOnDemand]: 38/51 looper letters, 94 selfloop transitions, 13 changer transitions 0/111 dead transitions. [2024-11-10 22:09:03,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 111 transitions, 509 flow [2024-11-10 22:09:03,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:09:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:09:03,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 143 transitions. [2024-11-10 22:09:03,627 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7009803921568627 [2024-11-10 22:09:03,627 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 149 flow. Second operand 4 states and 143 transitions. [2024-11-10 22:09:03,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 111 transitions, 509 flow [2024-11-10 22:09:03,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 111 transitions, 504 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:09:03,640 INFO L231 Difference]: Finished difference. Result has 63 places, 59 transitions, 247 flow [2024-11-10 22:09:03,640 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=247, PETRI_PLACES=63, PETRI_TRANSITIONS=59} [2024-11-10 22:09:03,641 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 3 predicate places. [2024-11-10 22:09:03,641 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 59 transitions, 247 flow [2024-11-10 22:09:03,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:09:03,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:03,642 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:09:03,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:09:03,643 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:09:03,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:03,644 INFO L85 PathProgramCache]: Analyzing trace with hash -221477077, now seen corresponding path program 1 times [2024-11-10 22:09:03,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:03,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470322809] [2024-11-10 22:09:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:03,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:09:03,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:03,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470322809] [2024-11-10 22:09:03,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470322809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:03,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:03,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:09:03,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127402283] [2024-11-10 22:09:03,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:03,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:09:03,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:03,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:09:03,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:09:03,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-10 22:09:03,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 59 transitions, 247 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:09:03,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:03,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-10 22:09:03,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:07,728 INFO L124 PetriNetUnfolderBase]: 40367/53355 cut-off events. [2024-11-10 22:09:07,728 INFO L125 PetriNetUnfolderBase]: For 37212/37212 co-relation queries the response was YES. [2024-11-10 22:09:07,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129133 conditions, 53355 events. 40367/53355 cut-off events. For 37212/37212 co-relation queries the response was YES. Maximal size of possible extension queue 1471. Compared 305285 event pairs, 11847 based on Foata normal form. 5140/56468 useless extension candidates. Maximal degree in co-relation 129119. Up to 44048 conditions per place. [2024-11-10 22:09:08,019 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 67 selfloop transitions, 5 changer transitions 0/76 dead transitions. [2024-11-10 22:09:08,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 76 transitions, 391 flow [2024-11-10 22:09:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:09:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:09:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2024-11-10 22:09:08,022 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5098039215686274 [2024-11-10 22:09:08,022 INFO L175 Difference]: Start difference. First operand has 63 places, 59 transitions, 247 flow. Second operand 4 states and 104 transitions. [2024-11-10 22:09:08,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 76 transitions, 391 flow [2024-11-10 22:09:09,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 76 transitions, 368 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-11-10 22:09:09,228 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 178 flow [2024-11-10 22:09:09,228 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=178, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-11-10 22:09:09,229 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-10 22:09:09,229 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 178 flow [2024-11-10 22:09:09,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:09:09,230 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:09,230 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] [2024-11-10 22:09:09,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:09:09,230 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:09:09,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:09,231 INFO L85 PathProgramCache]: Analyzing trace with hash 640339438, now seen corresponding path program 1 times [2024-11-10 22:09:09,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:09,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889935903] [2024-11-10 22:09:09,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:09,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:09:09,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:09,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889935903] [2024-11-10 22:09:09,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889935903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:09,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:09,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:09:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118355132] [2024-11-10 22:09:09,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:09,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 22:09:09,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:09,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 22:09:09,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:09:09,342 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-10 22:09:09,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 178 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:09:09,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:09,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-10 22:09:09,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:12,817 INFO L124 PetriNetUnfolderBase]: 35759/47127 cut-off events. [2024-11-10 22:09:12,818 INFO L125 PetriNetUnfolderBase]: For 16822/16822 co-relation queries the response was YES. [2024-11-10 22:09:12,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108390 conditions, 47127 events. 35759/47127 cut-off events. For 16822/16822 co-relation queries the response was YES. Maximal size of possible extension queue 1417. Compared 265045 event pairs, 7023 based on Foata normal form. 0/46888 useless extension candidates. Maximal degree in co-relation 108377. Up to 18416 conditions per place. [2024-11-10 22:09:13,012 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 111 selfloop transitions, 13 changer transitions 4/132 dead transitions. [2024-11-10 22:09:13,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 132 transitions, 624 flow [2024-11-10 22:09:13,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:09:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 22:09:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 172 transitions. [2024-11-10 22:09:13,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6745098039215687 [2024-11-10 22:09:13,014 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 178 flow. Second operand 5 states and 172 transitions. [2024-11-10 22:09:13,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 132 transitions, 624 flow [2024-11-10 22:09:13,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 132 transitions, 618 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 22:09:13,035 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 214 flow [2024-11-10 22:09:13,035 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-10 22:09:13,036 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2024-11-10 22:09:13,036 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 214 flow [2024-11-10 22:09:13,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:09:13,036 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:09:13,036 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] [2024-11-10 22:09:13,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:09:13,037 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:09:13,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:09:13,037 INFO L85 PathProgramCache]: Analyzing trace with hash -2102614876, now seen corresponding path program 1 times [2024-11-10 22:09:13,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:09:13,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026553893] [2024-11-10 22:09:13,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:09:13,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:09:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:09:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:09:13,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:09:13,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026553893] [2024-11-10 22:09:13,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026553893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:09:13,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:09:13,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 22:09:13,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646362806] [2024-11-10 22:09:13,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:09:13,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:09:13,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:09:13,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:09:13,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:09:13,150 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 51 [2024-11-10 22:09:13,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:09:13,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:09:13,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 51 [2024-11-10 22:09:13,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:09:17,150 INFO L124 PetriNetUnfolderBase]: 34799/45831 cut-off events. [2024-11-10 22:09:17,150 INFO L125 PetriNetUnfolderBase]: For 28720/28720 co-relation queries the response was YES. [2024-11-10 22:09:17,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113177 conditions, 45831 events. 34799/45831 cut-off events. For 28720/28720 co-relation queries the response was YES. Maximal size of possible extension queue 1417. Compared 258857 event pairs, 6855 based on Foata normal form. 224/46040 useless extension candidates. Maximal degree in co-relation 113163. Up to 18416 conditions per place. [2024-11-10 22:09:17,277 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2024-11-10 22:09:17,277 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 124 transitions, 588 flow [2024-11-10 22:09:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 22:09:17,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 22:09:17,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 172 transitions. [2024-11-10 22:09:17,280 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5620915032679739 [2024-11-10 22:09:17,280 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 214 flow. Second operand 6 states and 172 transitions. [2024-11-10 22:09:17,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 124 transitions, 588 flow [2024-11-10 22:09:18,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 124 transitions, 533 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-10 22:09:18,501 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-11-10 22:09:18,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-11-10 22:09:18,503 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-10 22:09:18,506 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-11-10 22:09:18,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:09:18,509 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-10 22:09:18,512 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-10 22:09:18,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-10 22:09:18,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-10 22:09:18,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-10 22:09:18,517 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-10 22:09:18,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-10 22:09:18,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-10 22:09:18,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-10 22:09:18,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-10 22:09:18,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-10 22:09:18,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-10 22:09:18,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-10 22:09:18,519 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-10 22:09:18,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-10 22:09:18,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-10 22:09:18,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-10 22:09:18,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-10 22:09:18,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-10 22:09:18,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-10 22:09:18,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 22:09:18,521 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-10 22:09:18,531 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 22:09:18,532 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 22:09:18,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:09:18 BasicIcfg [2024-11-10 22:09:18,539 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:09:18,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:09:18,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:09:18,540 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:09:18,541 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:08:48" (3/4) ... [2024-11-10 22:09:18,546 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:09:18,553 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 22:09:18,553 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 22:09:18,553 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 22:09:18,553 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-10 22:09:18,559 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2024-11-10 22:09:18,560 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-10 22:09:18,560 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-10 22:09:18,560 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 22:09:18,625 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:09:18,625 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:09:18,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:09:18,626 INFO L158 Benchmark]: Toolchain (without parser) took 31711.80ms. Allocated memory was 209.7MB in the beginning and 13.9GB in the end (delta: 13.7GB). Free memory was 140.6MB in the beginning and 12.2GB in the end (delta: -12.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-10 22:09:18,627 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:09:18,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.17ms. Allocated memory is still 209.7MB. Free memory was 140.4MB in the beginning and 176.9MB in the end (delta: -36.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-10 22:09:18,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.21ms. Allocated memory is still 209.7MB. Free memory was 176.9MB in the beginning and 174.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:09:18,627 INFO L158 Benchmark]: Boogie Preprocessor took 62.30ms. Allocated memory is still 209.7MB. Free memory was 174.0MB in the beginning and 171.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:09:18,628 INFO L158 Benchmark]: IcfgBuilder took 659.19ms. Allocated memory is still 209.7MB. Free memory was 171.0MB in the beginning and 102.7MB in the end (delta: 68.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-11-10 22:09:18,628 INFO L158 Benchmark]: TraceAbstraction took 29930.46ms. Allocated memory was 209.7MB in the beginning and 13.9GB in the end (delta: 13.7GB). Free memory was 101.8MB in the beginning and 12.2GB in the end (delta: -12.1GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-10 22:09:18,628 INFO L158 Benchmark]: Witness Printer took 85.45ms. Allocated memory is still 13.9GB. Free memory was 12.2GB in the beginning and 12.2GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:09:18,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.17ms. Allocated memory is still 209.7MB. Free memory was 140.4MB in the beginning and 176.9MB in the end (delta: -36.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.21ms. Allocated memory is still 209.7MB. Free memory was 176.9MB in the beginning and 174.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.30ms. Allocated memory is still 209.7MB. Free memory was 174.0MB in the beginning and 171.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 659.19ms. Allocated memory is still 209.7MB. Free memory was 171.0MB in the beginning and 102.7MB in the end (delta: 68.3MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * TraceAbstraction took 29930.46ms. Allocated memory was 209.7MB in the beginning and 13.9GB in the end (delta: 13.7GB). Free memory was 101.8MB in the beginning and 12.2GB in the end (delta: -12.1GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 85.45ms. Allocated memory is still 13.9GB. Free memory was 12.2GB in the beginning and 12.2GB 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: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 824]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 824]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 847]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 847]: 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, 93 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: 29.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 329 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 329 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 603 IncrementalHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 0 mSDtfsCounter, 603 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=247occurred in iteration=2, 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, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 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! [2024-11-10 22:09:18,660 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