./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe016_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe016_power.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 a45428c1422efa85fd947d764edf0847add56b17c38e18f54072b18b642fedaf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:41:33,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:41:34,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:41:34,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:41:34,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:41:34,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:41:34,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:41:34,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:41:34,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:41:34,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:41:34,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:41:34,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:41:34,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:41:34,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:41:34,050 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:41:34,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:41:34,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:41:34,053 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:41:34,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:41:34,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:41:34,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:41:34,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:41:34,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:41:34,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:41:34,056 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:41:34,056 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:41:34,057 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:41:34,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:41:34,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:41:34,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:41:34,058 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:41:34,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:41:34,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:41:34,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:41:34,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:41:34,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:41:34,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:41:34,060 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:41:34,060 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:41:34,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:41:34,060 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:41:34,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:41:34,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:41:34,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:41:34,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45428c1422efa85fd947d764edf0847add56b17c38e18f54072b18b642fedaf [2024-11-17 07:41:34,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:41:34,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:41:34,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:41:34,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:41:34,320 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:41:34,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_power.oepc.i [2024-11-17 07:41:35,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:41:36,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:41:36,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_power.oepc.i [2024-11-17 07:41:36,053 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bf22a56/00e7d4f4373e4b188beee6c002ac39e8/FLAG4aebcd6c6 [2024-11-17 07:41:36,325 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bf22a56/00e7d4f4373e4b188beee6c002ac39e8 [2024-11-17 07:41:36,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:41:36,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:41:36,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:41:36,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:41:36,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:41:36,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:36,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc8c349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36, skipping insertion in model container [2024-11-17 07:41:36,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:36,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:41:36,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:41:36,861 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:41:36,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:41:36,996 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:41:36,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36 WrapperNode [2024-11-17 07:41:36,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:41:36,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:41:36,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:41:36,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:41:37,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,069 INFO L138 Inliner]: procedures = 176, calls = 72, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2024-11-17 07:41:37,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:41:37,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:41:37,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:41:37,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:41:37,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,122 INFO L175 MemorySlicer]: Split 26 memory accesses to 2 slices as follows [2, 24]. 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]. [2024-11-17 07:41:37,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,139 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:41:37,157 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:41:37,157 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:41:37,157 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:41:37,158 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (1/1) ... [2024-11-17 07:41:37,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:41:37,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:41:37,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:41:37,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:41:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:41:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:41:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:41:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:41:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-17 07:41:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:41:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-17 07:41:37,242 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-17 07:41:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-17 07:41:37,242 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-17 07:41:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-17 07:41:37,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-17 07:41:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-17 07:41:37,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-17 07:41:37,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:41:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:41:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-17 07:41:37,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:41:37,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:41:37,247 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 07:41:37,463 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:41:37,465 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:41:37,967 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 07:41:37,967 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:41:38,390 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:41:38,391 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 07:41:38,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:38 BoogieIcfgContainer [2024-11-17 07:41:38,392 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:41:38,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:41:38,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:41:38,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:41:38,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:41:36" (1/3) ... [2024-11-17 07:41:38,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fd1f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:41:38, skipping insertion in model container [2024-11-17 07:41:38,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:41:36" (2/3) ... [2024-11-17 07:41:38,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fd1f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:41:38, skipping insertion in model container [2024-11-17 07:41:38,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:38" (3/3) ... [2024-11-17 07:41:38,402 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_power.oepc.i [2024-11-17 07:41:38,420 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:41:38,420 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 07:41:38,420 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 07:41:38,507 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 07:41:38,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 48 transitions, 112 flow [2024-11-17 07:41:38,582 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-11-17 07:41:38,583 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:41:38,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 115 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-17 07:41:38,586 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 48 transitions, 112 flow [2024-11-17 07:41:38,590 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 44 transitions, 100 flow [2024-11-17 07:41:38,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:41:38,614 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;@6ef2d977, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:41:38,614 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-17 07:41:38,624 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-17 07:41:38,626 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-17 07:41:38,626 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-17 07:41:38,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:38,627 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:38,627 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:38,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:38,634 INFO L85 PathProgramCache]: Analyzing trace with hash 84297772, now seen corresponding path program 1 times [2024-11-17 07:41:38,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:38,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686834496] [2024-11-17 07:41:38,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:38,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:39,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:39,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686834496] [2024-11-17 07:41:39,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686834496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:39,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:39,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-17 07:41:39,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104164684] [2024-11-17 07:41:39,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:39,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:41:39,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:39,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:41:39,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:41:39,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:39,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:39,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:39,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:39,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:47,837 INFO L124 PetriNetUnfolderBase]: 54177/71593 cut-off events. [2024-11-17 07:41:47,837 INFO L125 PetriNetUnfolderBase]: For 328/328 co-relation queries the response was YES. [2024-11-17 07:41:47,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143879 conditions, 71593 events. 54177/71593 cut-off events. For 328/328 co-relation queries the response was YES. Maximal size of possible extension queue 2391. Compared 427616 event pairs, 18771 based on Foata normal form. 0/56958 useless extension candidates. Maximal degree in co-relation 143867. Up to 67461 conditions per place. [2024-11-17 07:41:48,358 INFO L140 encePairwiseOnDemand]: 35/48 looper letters, 61 selfloop transitions, 5 changer transitions 0/70 dead transitions. [2024-11-17 07:41:48,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 70 transitions, 293 flow [2024-11-17 07:41:48,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:41:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-17 07:41:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2024-11-17 07:41:48,370 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6805555555555556 [2024-11-17 07:41:48,372 INFO L175 Difference]: Start difference. First operand has 57 places, 44 transitions, 100 flow. Second operand 3 states and 98 transitions. [2024-11-17 07:41:48,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 70 transitions, 293 flow [2024-11-17 07:41:48,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 70 transitions, 286 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-17 07:41:48,387 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 143 flow [2024-11-17 07:41:48,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=143, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2024-11-17 07:41:48,394 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2024-11-17 07:41:48,395 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 143 flow [2024-11-17 07:41:48,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:48,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:48,395 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:48,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:41:48,396 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:48,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:48,396 INFO L85 PathProgramCache]: Analyzing trace with hash -109439089, now seen corresponding path program 1 times [2024-11-17 07:41:48,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:48,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11131467] [2024-11-17 07:41:48,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:48,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:48,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:48,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:48,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11131467] [2024-11-17 07:41:48,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11131467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:48,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:48,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:41:48,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487572431] [2024-11-17 07:41:48,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:48,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:41:48,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:48,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:41:48,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:41:48,578 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:48,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 143 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:48,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:48,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:48,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:53,962 INFO L124 PetriNetUnfolderBase]: 34379/45535 cut-off events. [2024-11-17 07:41:53,963 INFO L125 PetriNetUnfolderBase]: For 3040/3040 co-relation queries the response was YES. [2024-11-17 07:41:54,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104686 conditions, 45535 events. 34379/45535 cut-off events. For 3040/3040 co-relation queries the response was YES. Maximal size of possible extension queue 1534. Compared 262538 event pairs, 10401 based on Foata normal form. 0/40248 useless extension candidates. Maximal degree in co-relation 104675. Up to 41402 conditions per place. [2024-11-17 07:41:54,218 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 57 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-11-17 07:41:54,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 66 transitions, 301 flow [2024-11-17 07:41:54,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:41:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:41:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 98 transitions. [2024-11-17 07:41:54,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5104166666666666 [2024-11-17 07:41:54,221 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 143 flow. Second operand 4 states and 98 transitions. [2024-11-17 07:41:54,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 66 transitions, 301 flow [2024-11-17 07:41:54,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 66 transitions, 296 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-17 07:41:54,233 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 132 flow [2024-11-17 07:41:54,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=132, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2024-11-17 07:41:54,234 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-11-17 07:41:54,234 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 132 flow [2024-11-17 07:41:54,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:54,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:54,235 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:54,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 07:41:54,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:54,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash -109439088, now seen corresponding path program 1 times [2024-11-17 07:41:54,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:54,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591247861] [2024-11-17 07:41:54,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:54,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:54,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:54,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591247861] [2024-11-17 07:41:54,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591247861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:54,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:54,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:41:54,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977249236] [2024-11-17 07:41:54,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:54,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:41:54,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:54,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:41:54,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:41:54,364 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:54,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:54,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:54,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:54,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:41:57,880 INFO L124 PetriNetUnfolderBase]: 25093/33453 cut-off events. [2024-11-17 07:41:57,881 INFO L125 PetriNetUnfolderBase]: For 5122/5122 co-relation queries the response was YES. [2024-11-17 07:41:57,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75539 conditions, 33453 events. 25093/33453 cut-off events. For 5122/5122 co-relation queries the response was YES. Maximal size of possible extension queue 1047. Compared 186756 event pairs, 4717 based on Foata normal form. 0/31674 useless extension candidates. Maximal degree in co-relation 75527. Up to 19305 conditions per place. [2024-11-17 07:41:58,082 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 81 selfloop transitions, 9 changer transitions 0/94 dead transitions. [2024-11-17 07:41:58,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 94 transitions, 430 flow [2024-11-17 07:41:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:41:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-17 07:41:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-11-17 07:41:58,085 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.65625 [2024-11-17 07:41:58,085 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 132 flow. Second operand 4 states and 126 transitions. [2024-11-17 07:41:58,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 94 transitions, 430 flow [2024-11-17 07:41:58,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 94 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-17 07:41:58,095 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 184 flow [2024-11-17 07:41:58,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2024-11-17 07:41:58,095 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2024-11-17 07:41:58,096 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 184 flow [2024-11-17 07:41:58,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:58,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:41:58,096 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:41:58,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:41:58,096 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:41:58,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:41:58,097 INFO L85 PathProgramCache]: Analyzing trace with hash 700772407, now seen corresponding path program 1 times [2024-11-17 07:41:58,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:41:58,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588231794] [2024-11-17 07:41:58,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:41:58,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:41:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:41:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:41:58,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:41:58,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588231794] [2024-11-17 07:41:58,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588231794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:41:58,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:41:58,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:41:58,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100704167] [2024-11-17 07:41:58,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:41:58,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:41:58,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:41:58,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:41:58,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:41:58,252 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:41:58,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:41:58,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:41:58,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:41:58,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:42:01,628 INFO L124 PetriNetUnfolderBase]: 21205/28197 cut-off events. [2024-11-17 07:42:01,628 INFO L125 PetriNetUnfolderBase]: For 12264/12264 co-relation queries the response was YES. [2024-11-17 07:42:01,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70332 conditions, 28197 events. 21205/28197 cut-off events. For 12264/12264 co-relation queries the response was YES. Maximal size of possible extension queue 954. Compared 154900 event pairs, 3129 based on Foata normal form. 0/27954 useless extension candidates. Maximal degree in co-relation 70319. Up to 10016 conditions per place. [2024-11-17 07:42:01,850 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 99 selfloop transitions, 13 changer transitions 4/120 dead transitions. [2024-11-17 07:42:01,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 120 transitions, 588 flow [2024-11-17 07:42:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:42:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-17 07:42:01,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 160 transitions. [2024-11-17 07:42:01,853 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-17 07:42:01,853 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 184 flow. Second operand 5 states and 160 transitions. [2024-11-17 07:42:01,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 120 transitions, 588 flow [2024-11-17 07:42:01,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 120 transitions, 570 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-17 07:42:01,867 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 208 flow [2024-11-17 07:42:01,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=208, PETRI_PLACES=59, PETRI_TRANSITIONS=48} [2024-11-17 07:42:01,868 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2024-11-17 07:42:01,868 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 208 flow [2024-11-17 07:42:01,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:42:01,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-17 07:42:01,869 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:42:01,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:42:01,869 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-17 07:42:01,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:42:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash -375160246, now seen corresponding path program 1 times [2024-11-17 07:42:01,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:42:01,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778268536] [2024-11-17 07:42:01,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:42:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:42:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:42:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:42:02,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:42:02,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778268536] [2024-11-17 07:42:02,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778268536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:42:02,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:42:02,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:42:02,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043562999] [2024-11-17 07:42:02,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:42:02,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 07:42:02,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:42:02,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 07:42:02,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:42:02,064 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 48 [2024-11-17 07:42:02,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:42:02,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-17 07:42:02,065 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 48 [2024-11-17 07:42:02,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-17 07:42:05,365 INFO L124 PetriNetUnfolderBase]: 20245/26901 cut-off events. [2024-11-17 07:42:05,366 INFO L125 PetriNetUnfolderBase]: For 19280/19280 co-relation queries the response was YES. [2024-11-17 07:42:05,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68377 conditions, 26901 events. 20245/26901 cut-off events. For 19280/19280 co-relation queries the response was YES. Maximal size of possible extension queue 954. Compared 148592 event pairs, 2961 based on Foata normal form. 224/27106 useless extension candidates. Maximal degree in co-relation 68363. Up to 10016 conditions per place. [2024-11-17 07:42:05,432 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2024-11-17 07:42:05,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 112 transitions, 540 flow [2024-11-17 07:42:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:42:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-17 07:42:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 160 transitions. [2024-11-17 07:42:05,434 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-11-17 07:42:05,434 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 208 flow. Second operand 6 states and 160 transitions. [2024-11-17 07:42:05,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 112 transitions, 540 flow [2024-11-17 07:42:05,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 112 transitions, 485 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-17 07:42:05,833 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-11-17 07:42:05,834 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2024-11-17 07:42:05,834 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-11-17 07:42:05,834 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-11-17 07:42:05,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:42:05,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-17 07:42:05,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-17 07:42:05,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-17 07:42:05,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-17 07:42:05,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-17 07:42:05,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-17 07:42:05,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-17 07:42:05,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-17 07:42:05,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-17 07:42:05,839 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-17 07:42:05,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-17 07:42:05,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-17 07:42:05,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-17 07:42:05,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-17 07:42:05,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-17 07:42:05,840 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-17 07:42:05,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-17 07:42:05,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-17 07:42:05,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-17 07:42:05,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-17 07:42:05,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:42:05,843 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-17 07:42:05,849 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 07:42:05,849 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 07:42:05,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 07:42:05 BasicIcfg [2024-11-17 07:42:05,854 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 07:42:05,854 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 07:42:05,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 07:42:05,855 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 07:42:05,855 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:41:38" (3/4) ... [2024-11-17 07:42:05,857 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 07:42:05,859 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-17 07:42:05,859 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-17 07:42:05,859 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-17 07:42:05,860 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-17 07:42:05,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2024-11-17 07:42:05,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-17 07:42:05,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-17 07:42:05,865 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 07:42:05,961 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 07:42:05,961 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 07:42:05,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 07:42:05,962 INFO L158 Benchmark]: Toolchain (without parser) took 29633.68ms. Allocated memory was 182.5MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 113.5MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-17 07:42:05,963 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 117.4MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 07:42:05,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.10ms. Allocated memory is still 182.5MB. Free memory was 113.3MB in the beginning and 84.1MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-17 07:42:05,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.70ms. Allocated memory is still 182.5MB. Free memory was 84.1MB in the beginning and 81.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:42:05,964 INFO L158 Benchmark]: Boogie Preprocessor took 84.99ms. Allocated memory is still 182.5MB. Free memory was 81.2MB in the beginning and 76.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:42:05,964 INFO L158 Benchmark]: IcfgBuilder took 1235.41ms. Allocated memory is still 182.5MB. Free memory was 76.4MB in the beginning and 126.5MB in the end (delta: -50.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-17 07:42:05,964 INFO L158 Benchmark]: TraceAbstraction took 27459.76ms. Allocated memory was 182.5MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 125.4MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-17 07:42:05,965 INFO L158 Benchmark]: Witness Printer took 107.24ms. Allocated memory is still 13.2GB. Free memory was 11.6GB in the beginning and 11.6GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 07:42:05,966 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 117.4MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.10ms. Allocated memory is still 182.5MB. Free memory was 113.3MB in the beginning and 84.1MB in the end (delta: 29.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.70ms. Allocated memory is still 182.5MB. Free memory was 84.1MB in the beginning and 81.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.99ms. Allocated memory is still 182.5MB. Free memory was 81.2MB in the beginning and 76.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1235.41ms. Allocated memory is still 182.5MB. Free memory was 76.4MB in the beginning and 126.5MB in the end (delta: -50.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 27459.76ms. Allocated memory was 182.5MB in the beginning and 13.2GB in the end (delta: 13.0GB). Free memory was 125.4MB in the beginning and 11.6GB in the end (delta: -11.5GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 107.24ms. Allocated memory is still 13.2GB. Free memory was 11.6GB in the beginning and 11.6GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 788]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 837]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 837]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 87 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 27.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 26.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 308 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 548 IncrementalHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 0 mSDtfsCounter, 548 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-17 07:42:05,994 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