./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe009_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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/safe009_rmo.oepc.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 d4dfc0bbdb080812f042fcb42d1e3b37e9e0d49ae456458f71f0b25bb99756b4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:53:15,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:53:15,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:53:15,666 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:53:15,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:53:15,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:53:15,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:53:15,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:53:15,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:53:15,703 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:53:15,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:53:15,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:53:15,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:53:15,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:53:15,706 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:53:15,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:53:15,707 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:53:15,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:53:15,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:53:15,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:53:15,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:53:15,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:53:15,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:53:15,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:53:15,712 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:53:15,713 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:53:15,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:53:15,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:53:15,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:53:15,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:53:15,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:53:15,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:53:15,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:53:15,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:53:15,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:53:15,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:53:15,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:53:15,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:53:15,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:53:15,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:53:15,718 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:53:15,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:53:15,718 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:53:15,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:53:15,719 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4dfc0bbdb080812f042fcb42d1e3b37e9e0d49ae456458f71f0b25bb99756b4 [2024-11-19 13:53:15,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:53:15,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:53:15,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:53:15,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:53:15,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:53:15,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe009_rmo.oepc.i [2024-11-19 13:53:17,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:53:17,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:53:17,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_rmo.oepc.i [2024-11-19 13:53:17,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8055fcb48/4e4b6e0c50664e78a46b52d6de9f5752/FLAG92143ab0a [2024-11-19 13:53:17,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8055fcb48/4e4b6e0c50664e78a46b52d6de9f5752 [2024-11-19 13:53:17,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:53:17,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:53:17,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:53:17,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:53:18,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:53:18,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:53:17" (1/1) ... [2024-11-19 13:53:18,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e076ee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18, skipping insertion in model container [2024-11-19 13:53:18,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:53:17" (1/1) ... [2024-11-19 13:53:18,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:53:18,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:53:18,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:53:18,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:53:18,680 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:53:18,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18 WrapperNode [2024-11-19 13:53:18,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:53:18,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:53:18,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:53:18,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:53:18,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,749 INFO L138 Inliner]: procedures = 175, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 161 [2024-11-19 13:53:18,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:53:18,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:53:18,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:53:18,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:53:18,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,798 INFO L175 MemorySlicer]: Split 24 memory accesses to 2 slices as follows [2, 22]. 92 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 9 writes are split as follows [0, 9]. [2024-11-19 13:53:18,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:53:18,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:53:18,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:53:18,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:53:18,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (1/1) ... [2024-11-19 13:53:18,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:53:18,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:53:18,880 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) [2024-11-19 13:53:18,884 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 [2024-11-19 13:53:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:53:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:53:18,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:53:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:53:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:53:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:53:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 13:53:18,929 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 13:53:18,929 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 13:53:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 13:53:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 13:53:18,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 13:53:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:53:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:53:18,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:53:18,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:53:18,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:53:18,933 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:53:19,084 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:53:19,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:53:19,622 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:53:19,622 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:53:19,950 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:53:19,950 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:53:19,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:19 BoogieIcfgContainer [2024-11-19 13:53:19,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:53:19,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:53:19,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:53:19,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:53:19,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:53:17" (1/3) ... [2024-11-19 13:53:19,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1745ad3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:53:19, skipping insertion in model container [2024-11-19 13:53:19,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:18" (2/3) ... [2024-11-19 13:53:19,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1745ad3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:53:19, skipping insertion in model container [2024-11-19 13:53:19,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:19" (3/3) ... [2024-11-19 13:53:19,962 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_rmo.oepc.i [2024-11-19 13:53:19,981 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:53:19,981 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 13:53:19,981 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:53:20,077 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 13:53:20,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 38 transitions, 88 flow [2024-11-19 13:53:20,153 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2024-11-19 13:53:20,153 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:53:20,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-19 13:53:20,157 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 38 transitions, 88 flow [2024-11-19 13:53:20,161 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 35 transitions, 79 flow [2024-11-19 13:53:20,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:53:20,176 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;@50136a27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:53:20,177 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-19 13:53:20,185 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:53:20,185 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-19 13:53:20,186 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:53:20,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:20,187 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:20,187 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:20,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:20,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1729725925, now seen corresponding path program 1 times [2024-11-19 13:53:20,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:20,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966771984] [2024-11-19 13:53:20,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:20,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:20,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:20,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:20,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966771984] [2024-11-19 13:53:20,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966771984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:20,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:20,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 13:53:20,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489677539] [2024-11-19 13:53:20,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:20,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:53:20,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:20,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:53:20,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:53:20,673 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-11-19 13:53:20,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-19 13:53:20,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:20,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-11-19 13:53:20,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:21,636 INFO L124 PetriNetUnfolderBase]: 2899/4255 cut-off events. [2024-11-19 13:53:21,636 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-19 13:53:21,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8562 conditions, 4255 events. 2899/4255 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 24111 event pairs, 1001 based on Foata normal form. 0/3412 useless extension candidates. Maximal degree in co-relation 8551. Up to 3915 conditions per place. [2024-11-19 13:53:21,671 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 41 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2024-11-19 13:53:21,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 52 transitions, 209 flow [2024-11-19 13:53:21,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:53:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 13:53:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2024-11-19 13:53:21,684 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7105263157894737 [2024-11-19 13:53:21,685 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 79 flow. Second operand 3 states and 81 transitions. [2024-11-19 13:53:21,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 52 transitions, 209 flow [2024-11-19 13:53:21,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 52 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:53:21,692 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 112 flow [2024-11-19 13:53:21,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2024-11-19 13:53:21,698 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places. [2024-11-19 13:53:21,699 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 112 flow [2024-11-19 13:53:21,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-19 13:53:21,699 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:21,700 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:21,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:53:21,701 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:21,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:21,701 INFO L85 PathProgramCache]: Analyzing trace with hash 470410497, now seen corresponding path program 1 times [2024-11-19 13:53:21,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:21,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922658484] [2024-11-19 13:53:21,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:21,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:21,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922658484] [2024-11-19 13:53:21,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922658484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:21,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:21,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:53:21,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194913799] [2024-11-19 13:53:21,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:21,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:53:21,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:21,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:53:21,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:53:21,888 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-11-19 13:53:21,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-19 13:53:21,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:21,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-11-19 13:53:21,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:22,527 INFO L124 PetriNetUnfolderBase]: 2055/3031 cut-off events. [2024-11-19 13:53:22,528 INFO L125 PetriNetUnfolderBase]: For 240/240 co-relation queries the response was YES. [2024-11-19 13:53:22,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7070 conditions, 3031 events. 2055/3031 cut-off events. For 240/240 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 16477 event pairs, 631 based on Foata normal form. 0/2676 useless extension candidates. Maximal degree in co-relation 7059. Up to 2690 conditions per place. [2024-11-19 13:53:22,546 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 38 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2024-11-19 13:53:22,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 49 transitions, 216 flow [2024-11-19 13:53:22,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:53:22,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:53:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2024-11-19 13:53:22,549 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5592105263157895 [2024-11-19 13:53:22,550 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 112 flow. Second operand 4 states and 85 transitions. [2024-11-19 13:53:22,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 49 transitions, 216 flow [2024-11-19 13:53:22,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 49 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:53:22,560 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 104 flow [2024-11-19 13:53:22,561 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=104, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2024-11-19 13:53:22,561 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, -1 predicate places. [2024-11-19 13:53:22,562 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 104 flow [2024-11-19 13:53:22,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-19 13:53:22,562 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:22,562 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:22,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:53:22,562 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:22,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:22,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1144934146, now seen corresponding path program 1 times [2024-11-19 13:53:22,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:22,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400404937] [2024-11-19 13:53:22,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:22,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:22,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:22,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400404937] [2024-11-19 13:53:22,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400404937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:22,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:22,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:53:22,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267510522] [2024-11-19 13:53:22,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:22,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:53:22,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:22,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:53:22,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:53:22,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-11-19 13:53:22,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-19 13:53:22,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:22,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-11-19 13:53:22,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:23,208 INFO L124 PetriNetUnfolderBase]: 1511/2251 cut-off events. [2024-11-19 13:53:23,208 INFO L125 PetriNetUnfolderBase]: For 482/482 co-relation queries the response was YES. [2024-11-19 13:53:23,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5159 conditions, 2251 events. 1511/2251 cut-off events. For 482/482 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 11536 event pairs, 257 based on Foata normal form. 0/2168 useless extension candidates. Maximal degree in co-relation 5147. Up to 1077 conditions per place. [2024-11-19 13:53:23,222 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 50 selfloop transitions, 7 changer transitions 3/67 dead transitions. [2024-11-19 13:53:23,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 67 transitions, 300 flow [2024-11-19 13:53:23,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:53:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:53:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2024-11-19 13:53:23,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6776315789473685 [2024-11-19 13:53:23,229 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 104 flow. Second operand 4 states and 103 transitions. [2024-11-19 13:53:23,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 67 transitions, 300 flow [2024-11-19 13:53:23,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 67 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 13:53:23,233 INFO L231 Difference]: Finished difference. Result has 46 places, 35 transitions, 125 flow [2024-11-19 13:53:23,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=125, PETRI_PLACES=46, PETRI_TRANSITIONS=35} [2024-11-19 13:53:23,234 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2024-11-19 13:53:23,234 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 125 flow [2024-11-19 13:53:23,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-19 13:53:23,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:23,235 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] [2024-11-19 13:53:23,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:53:23,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:23,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:23,237 INFO L85 PathProgramCache]: Analyzing trace with hash 101184437, now seen corresponding path program 1 times [2024-11-19 13:53:23,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:23,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380484292] [2024-11-19 13:53:23,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:23,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:23,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:23,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380484292] [2024-11-19 13:53:23,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380484292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:23,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:23,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:53:23,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695295924] [2024-11-19 13:53:23,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:23,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:53:23,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:23,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:53:23,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:53:23,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-11-19 13:53:23,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-11-19 13:53:23,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:23,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-11-19 13:53:23,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:23,841 INFO L124 PetriNetUnfolderBase]: 1243/1863 cut-off events. [2024-11-19 13:53:23,842 INFO L125 PetriNetUnfolderBase]: For 1134/1134 co-relation queries the response was YES. [2024-11-19 13:53:23,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4778 conditions, 1863 events. 1243/1863 cut-off events. For 1134/1134 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 9579 event pairs, 197 based on Foata normal form. 72/1924 useless extension candidates. Maximal degree in co-relation 4765. Up to 834 conditions per place. [2024-11-19 13:53:23,848 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2024-11-19 13:53:23,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 61 transitions, 279 flow [2024-11-19 13:53:23,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:53:23,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 13:53:23,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 107 transitions. [2024-11-19 13:53:23,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5631578947368421 [2024-11-19 13:53:23,849 INFO L175 Difference]: Start difference. First operand has 46 places, 35 transitions, 125 flow. Second operand 5 states and 107 transitions. [2024-11-19 13:53:23,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 61 transitions, 279 flow [2024-11-19 13:53:23,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 61 transitions, 255 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-19 13:53:23,853 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2024-11-19 13:53:23,853 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2024-11-19 13:53:23,854 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, -2 predicate places. [2024-11-19 13:53:23,855 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow [2024-11-19 13:53:23,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-11-19 13:53:23,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-19 13:53:23,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-19 13:53:23,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-19 13:53:23,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-19 13:53:23,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-19 13:53:23,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-19 13:53:23,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-19 13:53:23,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:53:23,864 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 13:53:23,869 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:53:23,869 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:53:23,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:53:23 BasicIcfg [2024-11-19 13:53:23,875 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:53:23,876 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:53:23,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:53:23,877 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:53:23,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:19" (3/4) ... [2024-11-19 13:53:23,879 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:53:23,881 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-19 13:53:23,882 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-19 13:53:23,882 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-19 13:53:23,888 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2024-11-19 13:53:23,888 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-19 13:53:23,888 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 13:53:23,889 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 13:53:23,971 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:53:23,971 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:53:23,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:53:23,972 INFO L158 Benchmark]: Toolchain (without parser) took 5977.87ms. Allocated memory was 157.3MB in the beginning and 425.7MB in the end (delta: 268.4MB). Free memory was 102.1MB in the beginning and 235.8MB in the end (delta: -133.7MB). Peak memory consumption was 136.2MB. Max. memory is 16.1GB. [2024-11-19 13:53:23,972 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:53:23,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.57ms. Allocated memory is still 157.3MB. Free memory was 101.8MB in the beginning and 74.9MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-19 13:53:23,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.35ms. Allocated memory is still 157.3MB. Free memory was 74.5MB in the beginning and 71.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:53:23,973 INFO L158 Benchmark]: Boogie Preprocessor took 88.13ms. Allocated memory is still 157.3MB. Free memory was 71.7MB in the beginning and 67.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:53:23,973 INFO L158 Benchmark]: RCFGBuilder took 1113.03ms. Allocated memory is still 157.3MB. Free memory was 67.5MB in the beginning and 52.2MB in the end (delta: 15.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-19 13:53:23,974 INFO L158 Benchmark]: TraceAbstraction took 3920.93ms. Allocated memory was 157.3MB in the beginning and 425.7MB in the end (delta: 268.4MB). Free memory was 51.4MB in the beginning and 242.1MB in the end (delta: -190.7MB). Peak memory consumption was 202.6MB. Max. memory is 16.1GB. [2024-11-19 13:53:23,974 INFO L158 Benchmark]: Witness Printer took 95.64ms. Allocated memory is still 425.7MB. Free memory was 241.0MB in the beginning and 235.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 13:53:23,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.57ms. Allocated memory is still 157.3MB. Free memory was 101.8MB in the beginning and 74.9MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.35ms. Allocated memory is still 157.3MB. Free memory was 74.5MB in the beginning and 71.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.13ms. Allocated memory is still 157.3MB. Free memory was 71.7MB in the beginning and 67.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1113.03ms. Allocated memory is still 157.3MB. Free memory was 67.5MB in the beginning and 52.2MB in the end (delta: 15.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3920.93ms. Allocated memory was 157.3MB in the beginning and 425.7MB in the end (delta: 268.4MB). Free memory was 51.4MB in the beginning and 242.1MB in the end (delta: -190.7MB). Peak memory consumption was 202.6MB. Max. memory is 16.1GB. * Witness Printer took 95.64ms. Allocated memory is still 425.7MB. Free memory was 241.0MB in the beginning and 235.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: 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 7 procedures, 68 locations, 15 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: 3.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 13:53:24,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE