./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 22:10:56,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 22:10:57,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 22:10:57,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 22:10:57,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 22:10:57,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 22:10:57,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 22:10:57,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 22:10:57,036 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 22:10:57,038 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 22:10:57,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 22:10:57,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 22:10:57,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 22:10:57,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 22:10:57,042 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 22:10:57,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 22:10:57,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 22:10:57,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 22:10:57,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 22:10:57,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 22:10:57,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 22:10:57,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 22:10:57,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 22:10:57,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 22:10:57,047 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 22:10:57,047 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 22:10:57,047 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 22:10:57,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 22:10:57,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 22:10:57,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 22:10:57,049 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 22:10:57,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 22:10:57,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 22:10:57,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 22:10:57,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:10:57,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 22:10:57,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 22:10:57,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 22:10:57,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 22:10:57,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 22:10:57,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 22:10:57,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 22:10:57,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 22:10:57,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 22:10:57,053 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 [2024-11-10 22:10:57,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 22:10:57,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 22:10:57,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 22:10:57,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 22:10:57,350 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 22:10:57,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-11-10 22:10:58,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 22:10:59,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 22:10:59,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-11-10 22:10:59,106 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d758d5ec/534143687cd64c80a802bc0572f2e7d8/FLAG96b795867 [2024-11-10 22:10:59,372 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d758d5ec/534143687cd64c80a802bc0572f2e7d8 [2024-11-10 22:10:59,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 22:10:59,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 22:10:59,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 22:10:59,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 22:10:59,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 22:10:59,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:10:59,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b32f4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59, skipping insertion in model container [2024-11-10 22:10:59,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:10:59,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 22:10:59,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:10:59,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 22:10:59,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 22:10:59,962 INFO L204 MainTranslator]: Completed translation [2024-11-10 22:10:59,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59 WrapperNode [2024-11-10 22:10:59,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 22:10:59,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 22:10:59,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 22:10:59,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 22:10:59,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:10:59,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,038 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 150 [2024-11-10 22:11:00,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 22:11:00,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 22:11:00,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 22:11:00,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 22:11:00,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,084 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 22:11:00,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,094 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 22:11:00,112 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 22:11:00,113 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 22:11:00,113 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 22:11:00,114 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (1/1) ... [2024-11-10 22:11:00,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 22:11:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 22:11:00,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 22:11:00,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 22:11:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 22:11:00,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 22:11:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 22:11:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 22:11:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 22:11:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 22:11:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 22:11:00,205 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 22:11:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 22:11:00,207 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 22:11:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 22:11:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 22:11:00,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 22:11:00,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 22:11:00,209 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 22:11:00,377 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 22:11:00,380 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 22:11:00,694 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 22:11:00,694 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 22:11:00,901 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 22:11:00,901 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 22:11:00,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:11:00 BoogieIcfgContainer [2024-11-10 22:11:00,902 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 22:11:00,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 22:11:00,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 22:11:00,910 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 22:11:00,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:10:59" (1/3) ... [2024-11-10 22:11:00,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0b6863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:11:00, skipping insertion in model container [2024-11-10 22:11:00,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:10:59" (2/3) ... [2024-11-10 22:11:00,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0b6863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:11:00, skipping insertion in model container [2024-11-10 22:11:00,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:11:00" (3/3) ... [2024-11-10 22:11:00,915 INFO L112 eAbstractionObserver]: Analyzing ICFG mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-11-10 22:11:00,930 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 22:11:00,930 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 22:11:00,930 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 22:11:01,000 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 22:11:01,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 116 flow [2024-11-10 22:11:01,084 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-10 22:11:01,084 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:11:01,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 121 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-10 22:11:01,088 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 50 transitions, 116 flow [2024-11-10 22:11:01,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 46 transitions, 104 flow [2024-11-10 22:11:01,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 22:11:01,110 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;@17b9c88b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 22:11:01,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-10 22:11:01,118 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 22:11:01,118 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-10 22:11:01,118 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 22:11:01,119 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:01,119 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:11:01,120 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:11:01,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:01,127 INFO L85 PathProgramCache]: Analyzing trace with hash -644546462, now seen corresponding path program 1 times [2024-11-10 22:11:01,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:01,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489124513] [2024-11-10 22:11:01,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:01,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:01,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:01,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489124513] [2024-11-10 22:11:01,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489124513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:01,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:01,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 22:11:01,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79638914] [2024-11-10 22:11:01,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:01,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 22:11:01,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:01,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 22:11:01,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 22:11:01,417 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 50 [2024-11-10 22:11:01,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:01,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:01,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 50 [2024-11-10 22:11:01,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:09,393 INFO L124 PetriNetUnfolderBase]: 70107/92353 cut-off events. [2024-11-10 22:11:09,394 INFO L125 PetriNetUnfolderBase]: For 388/388 co-relation queries the response was YES. [2024-11-10 22:11:09,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185501 conditions, 92353 events. 70107/92353 cut-off events. For 388/388 co-relation queries the response was YES. Maximal size of possible extension queue 2780. Compared 552265 event pairs, 23427 based on Foata normal form. 0/75382 useless extension candidates. Maximal degree in co-relation 185489. Up to 84897 conditions per place. [2024-11-10 22:11:10,004 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 65 selfloop transitions, 5 changer transitions 0/74 dead transitions. [2024-11-10 22:11:10,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 74 transitions, 309 flow [2024-11-10 22:11:10,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 22:11:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 22:11:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2024-11-10 22:11:10,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.68 [2024-11-10 22:11:10,019 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 104 flow. Second operand 3 states and 102 transitions. [2024-11-10 22:11:10,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 74 transitions, 309 flow [2024-11-10 22:11:10,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 74 transitions, 302 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 22:11:10,034 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 147 flow [2024-11-10 22:11:10,038 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-11-10 22:11:10,042 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-10 22:11:10,043 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 147 flow [2024-11-10 22:11:10,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:10,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:10,043 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:11:10,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 22:11:10,044 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:11:10,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:10,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1737680322, now seen corresponding path program 1 times [2024-11-10 22:11:10,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:10,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345425956] [2024-11-10 22:11:10,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:10,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:10,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:10,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345425956] [2024-11-10 22:11:10,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345425956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:10,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:10,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:11:10,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421148205] [2024-11-10 22:11:10,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:10,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:11:10,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:10,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:11:10,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:11:10,180 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 50 [2024-11-10 22:11:10,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:10,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:10,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 50 [2024-11-10 22:11:10,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:14,642 INFO L124 PetriNetUnfolderBase]: 46801/61715 cut-off events. [2024-11-10 22:11:14,642 INFO L125 PetriNetUnfolderBase]: For 3831/3831 co-relation queries the response was YES. [2024-11-10 22:11:14,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 140384 conditions, 61715 events. 46801/61715 cut-off events. For 3831/3831 co-relation queries the response was YES. Maximal size of possible extension queue 1864. Compared 356281 event pairs, 14101 based on Foata normal form. 0/55416 useless extension candidates. Maximal degree in co-relation 140373. Up to 54258 conditions per place. [2024-11-10 22:11:14,973 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 61 selfloop transitions, 5 changer transitions 0/70 dead transitions. [2024-11-10 22:11:14,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 70 transitions, 317 flow [2024-11-10 22:11:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:11:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:11:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 102 transitions. [2024-11-10 22:11:14,976 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.51 [2024-11-10 22:11:14,976 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 147 flow. Second operand 4 states and 102 transitions. [2024-11-10 22:11:14,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 70 transitions, 317 flow [2024-11-10 22:11:14,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 70 transitions, 312 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 22:11:14,984 INFO L231 Difference]: Finished difference. Result has 56 places, 46 transitions, 136 flow [2024-11-10 22:11:14,984 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=56, PETRI_TRANSITIONS=46} [2024-11-10 22:11:14,985 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-10 22:11:14,985 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 136 flow [2024-11-10 22:11:14,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:14,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:14,986 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:11:14,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 22:11:14,986 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:11:14,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:14,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1737680323, now seen corresponding path program 1 times [2024-11-10 22:11:14,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:14,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019808269] [2024-11-10 22:11:14,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:15,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:15,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019808269] [2024-11-10 22:11:15,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019808269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:15,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:15,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 22:11:15,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264565618] [2024-11-10 22:11:15,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:15,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 22:11:15,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:15,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 22:11:15,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 22:11:15,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 50 [2024-11-10 22:11:15,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 46 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:15,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:15,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 50 [2024-11-10 22:11:15,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:18,248 INFO L124 PetriNetUnfolderBase]: 35051/46433 cut-off events. [2024-11-10 22:11:18,249 INFO L125 PetriNetUnfolderBase]: For 6914/6914 co-relation queries the response was YES. [2024-11-10 22:11:18,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103841 conditions, 46433 events. 35051/46433 cut-off events. For 6914/6914 co-relation queries the response was YES. Maximal size of possible extension queue 1300. Compared 260469 event pairs, 7359 based on Foata normal form. 0/44462 useless extension candidates. Maximal degree in co-relation 103829. Up to 23489 conditions per place. [2024-11-10 22:11:18,472 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 87 selfloop transitions, 9 changer transitions 0/100 dead transitions. [2024-11-10 22:11:18,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 100 transitions, 454 flow [2024-11-10 22:11:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 22:11:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 22:11:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2024-11-10 22:11:18,474 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.66 [2024-11-10 22:11:18,474 INFO L175 Difference]: Start difference. First operand has 56 places, 46 transitions, 136 flow. Second operand 4 states and 132 transitions. [2024-11-10 22:11:18,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 100 transitions, 454 flow [2024-11-10 22:11:18,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 100 transitions, 448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 22:11:18,487 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 188 flow [2024-11-10 22:11:18,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-11-10 22:11:18,488 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-10 22:11:18,488 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 188 flow [2024-11-10 22:11:18,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:18,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:18,488 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:11:18,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 22:11:18,489 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:11:18,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:18,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1274727140, now seen corresponding path program 1 times [2024-11-10 22:11:18,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:18,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692646832] [2024-11-10 22:11:18,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:18,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:18,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:18,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692646832] [2024-11-10 22:11:18,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692646832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:18,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:18,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 22:11:18,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969733939] [2024-11-10 22:11:18,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:18,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 22:11:18,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:18,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 22:11:18,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 22:11:18,618 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 50 [2024-11-10 22:11:18,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:18,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:18,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 50 [2024-11-10 22:11:18,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:21,546 INFO L124 PetriNetUnfolderBase]: 30683/40529 cut-off events. [2024-11-10 22:11:21,546 INFO L125 PetriNetUnfolderBase]: For 16518/16518 co-relation queries the response was YES. [2024-11-10 22:11:21,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99276 conditions, 40529 events. 30683/40529 cut-off events. For 16518/16518 co-relation queries the response was YES. Maximal size of possible extension queue 1240. Compared 224098 event pairs, 5631 based on Foata normal form. 0/40262 useless extension candidates. Maximal degree in co-relation 99263. Up to 15488 conditions per place. [2024-11-10 22:11:21,941 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 107 selfloop transitions, 13 changer transitions 4/128 dead transitions. [2024-11-10 22:11:21,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 128 transitions, 620 flow [2024-11-10 22:11:21,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 22:11:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 22:11:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 168 transitions. [2024-11-10 22:11:21,943 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.672 [2024-11-10 22:11:21,943 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 188 flow. Second operand 5 states and 168 transitions. [2024-11-10 22:11:21,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 128 transitions, 620 flow [2024-11-10 22:11:21,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 128 transitions, 602 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-10 22:11:21,981 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 212 flow [2024-11-10 22:11:21,981 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-11-10 22:11:21,982 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2024-11-10 22:11:21,983 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 212 flow [2024-11-10 22:11:21,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:21,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 22:11:21,984 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 22:11:21,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 22:11:21,984 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-10 22:11:21,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 22:11:21,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1321807164, now seen corresponding path program 1 times [2024-11-10 22:11:21,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 22:11:21,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417541506] [2024-11-10 22:11:21,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 22:11:21,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 22:11:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 22:11:22,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 22:11:22,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 22:11:22,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417541506] [2024-11-10 22:11:22,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417541506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 22:11:22,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 22:11:22,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 22:11:22,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984433669] [2024-11-10 22:11:22,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 22:11:22,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 22:11:22,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 22:11:22,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 22:11:22,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 22:11:22,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 50 [2024-11-10 22:11:22,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:22,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 22:11:22,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 50 [2024-11-10 22:11:22,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 22:11:25,170 INFO L124 PetriNetUnfolderBase]: 29723/39233 cut-off events. [2024-11-10 22:11:25,170 INFO L125 PetriNetUnfolderBase]: For 25174/25174 co-relation queries the response was YES. [2024-11-10 22:11:25,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97639 conditions, 39233 events. 29723/39233 cut-off events. For 25174/25174 co-relation queries the response was YES. Maximal size of possible extension queue 1240. Compared 217865 event pairs, 5463 based on Foata normal form. 224/39414 useless extension candidates. Maximal degree in co-relation 97625. Up to 15488 conditions per place. [2024-11-10 22:11:25,258 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 0 selfloop transitions, 0 changer transitions 120/120 dead transitions. [2024-11-10 22:11:25,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 120 transitions, 572 flow [2024-11-10 22:11:25,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 22:11:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 22:11:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 168 transitions. [2024-11-10 22:11:25,260 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.56 [2024-11-10 22:11:25,260 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 212 flow. Second operand 6 states and 168 transitions. [2024-11-10 22:11:25,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 120 transitions, 572 flow [2024-11-10 22:11:26,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 120 transitions, 517 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-10 22:11:26,207 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-11-10 22:11:26,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2024-11-10 22:11:26,209 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-10 22:11:26,209 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-11-10 22:11:26,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 22:11:26,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-10 22:11:26,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-10 22:11:26,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-10 22:11:26,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-10 22:11:26,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-10 22:11:26,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-10 22:11:26,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-10 22:11:26,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-10 22:11:26,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-10 22:11:26,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-10 22:11:26,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-10 22:11:26,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-10 22:11:26,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-10 22:11:26,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-10 22:11:26,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-10 22:11:26,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-10 22:11:26,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-10 22:11:26,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-10 22:11:26,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-10 22:11:26,217 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-10 22:11:26,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 22:11:26,217 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-10 22:11:26,222 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 22:11:26,223 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 22:11:26,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:11:26 BasicIcfg [2024-11-10 22:11:26,228 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 22:11:26,228 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 22:11:26,228 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 22:11:26,228 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 22:11:26,229 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:11:00" (3/4) ... [2024-11-10 22:11:26,230 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 22:11:26,233 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-10 22:11:26,233 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-10 22:11:26,233 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-10 22:11:26,233 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-10 22:11:26,237 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-10 22:11:26,237 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-10 22:11:26,238 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 22:11:26,238 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 22:11:26,324 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 22:11:26,324 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 22:11:26,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 22:11:26,325 INFO L158 Benchmark]: Toolchain (without parser) took 26949.06ms. Allocated memory was 161.5MB in the beginning and 12.3GB in the end (delta: 12.2GB). Free memory was 91.6MB in the beginning and 10.6GB in the end (delta: -10.5GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-11-10 22:11:26,326 INFO L158 Benchmark]: CDTParser took 1.78ms. Allocated memory is still 161.5MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 22:11:26,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.76ms. Allocated memory is still 161.5MB. Free memory was 91.3MB in the beginning and 129.6MB in the end (delta: -38.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-11-10 22:11:26,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.15ms. Allocated memory is still 161.5MB. Free memory was 129.6MB in the beginning and 126.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 22:11:26,327 INFO L158 Benchmark]: Boogie Preprocessor took 70.87ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 122.5MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 22:11:26,327 INFO L158 Benchmark]: IcfgBuilder took 789.81ms. Allocated memory is still 161.5MB. Free memory was 122.5MB in the beginning and 63.2MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-10 22:11:26,327 INFO L158 Benchmark]: TraceAbstraction took 25322.36ms. Allocated memory was 161.5MB in the beginning and 12.3GB in the end (delta: 12.2GB). Free memory was 62.5MB in the beginning and 10.6GB in the end (delta: -10.6GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-10 22:11:26,328 INFO L158 Benchmark]: Witness Printer took 96.51ms. Allocated memory is still 12.3GB. Free memory was 10.6GB in the beginning and 10.6GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 22:11:26,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.78ms. Allocated memory is still 161.5MB. Free memory is still 121.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.76ms. Allocated memory is still 161.5MB. Free memory was 91.3MB in the beginning and 129.6MB in the end (delta: -38.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.15ms. Allocated memory is still 161.5MB. Free memory was 129.6MB in the beginning and 126.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.87ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 122.5MB in the end (delta: 4.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 789.81ms. Allocated memory is still 161.5MB. Free memory was 122.5MB in the beginning and 63.2MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 25322.36ms. Allocated memory was 161.5MB in the beginning and 12.3GB in the end (delta: 12.2GB). Free memory was 62.5MB in the beginning and 10.6GB in the end (delta: -10.6GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 96.51ms. Allocated memory is still 12.3GB. Free memory was 10.6GB in the beginning and 10.6GB 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: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: 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 9 procedures, 91 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: 25.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 394 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 394 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 574 IncrementalHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 0 mSDtfsCounter, 574 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=212occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 22:11:26,356 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