./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:52:15,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:52:15,155 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:52:15,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:52:15,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:52:15,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:52:15,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:52:15,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:52:15,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:52:15,176 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:52:15,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:52:15,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:52:15,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:52:15,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:52:15,178 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:52:15,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:52:15,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:52:15,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:52:15,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:52:15,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:52:15,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:52:15,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:52:15,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:52:15,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:52:15,185 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:52:15,186 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:52:15,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:52:15,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:52:15,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:52:15,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:52:15,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:52:15,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:52:15,187 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:52:15,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:52:15,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:52:15,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:52:15,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:52:15,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:52:15,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:52:15,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:52:15,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:52:15,193 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:52:15,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:52:15,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:52:15,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 [2024-11-19 13:52:15,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:52:15,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:52:15,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:52:15,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:52:15,475 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:52:15,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-19 13:52:16,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:52:17,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:52:17,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-19 13:52:17,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474ecdf56/f125da58c9f948fcb35a4f0dc77d8d21/FLAG55a9c2a3e [2024-11-19 13:52:17,455 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/474ecdf56/f125da58c9f948fcb35a4f0dc77d8d21 [2024-11-19 13:52:17,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:52:17,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:52:17,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:52:17,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:52:17,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:52:17,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:17,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49973b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17, skipping insertion in model container [2024-11-19 13:52:17,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:17,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:52:17,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:52:17,867 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:52:17,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:52:17,978 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:52:17,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17 WrapperNode [2024-11-19 13:52:17,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:52:17,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:52:17,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:52:17,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:52:18,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,057 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 133 [2024-11-19 13:52:18,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:52:18,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:52:18,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:52:18,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:52:18,070 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,085 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]. [2024-11-19 13:52:18,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:52:18,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:52:18,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:52:18,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:52:18,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (1/1) ... [2024-11-19 13:52:18,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:52:18,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:52:18,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:52:18,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:52:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:52:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:52:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 13:52:18,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 13:52:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 13:52:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 13:52:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 13:52:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 13:52:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-19 13:52:18,176 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-19 13:52:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:52:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:52:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:52:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:52:18,178 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:52:18,316 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:52:18,318 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:52:18,574 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:52:18,575 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:52:18,708 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:52:18,708 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:52:18,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:52:18 BoogieIcfgContainer [2024-11-19 13:52:18,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:52:18,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:52:18,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:52:18,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:52:18,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:52:17" (1/3) ... [2024-11-19 13:52:18,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bbcb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:52:18, skipping insertion in model container [2024-11-19 13:52:18,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:52:17" (2/3) ... [2024-11-19 13:52:18,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bbcb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:52:18, skipping insertion in model container [2024-11-19 13:52:18,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:52:18" (3/3) ... [2024-11-19 13:52:18,714 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-19 13:52:18,726 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:52:18,726 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 13:52:18,726 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:52:18,765 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 13:52:18,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 116 flow [2024-11-19 13:52:18,813 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-19 13:52:18,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:52:18,814 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 7. Compared 122 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. [2024-11-19 13:52:18,815 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 50 transitions, 116 flow [2024-11-19 13:52:18,819 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 46 transitions, 104 flow [2024-11-19 13:52:18,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:52:18,835 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;@24d7fe76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:52:18,837 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-19 13:52:18,844 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:52:18,846 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-19 13:52:18,846 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:52:18,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:52:18,847 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:52:18,847 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-19 13:52:18,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:52:18,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1208540737, now seen corresponding path program 1 times [2024-11-19 13:52:18,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:52:18,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192456558] [2024-11-19 13:52:18,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:52:18,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:52:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:52:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:52:19,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:52:19,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192456558] [2024-11-19 13:52:19,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192456558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:52:19,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:52:19,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 13:52:19,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041706931] [2024-11-19 13:52:19,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:52:19,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:52:19,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:52:19,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:52:19,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:52:19,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-19 13:52:19,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:19,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:52:19,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-19 13:52:19,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:52:22,325 INFO L124 PetriNetUnfolderBase]: 22099/29635 cut-off events. [2024-11-19 13:52:22,328 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-19 13:52:22,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59611 conditions, 29635 events. 22099/29635 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 1523. Compared 184208 event pairs, 9017 based on Foata normal form. 0/21901 useless extension candidates. Maximal degree in co-relation 59599. Up to 28869 conditions per place. [2024-11-19 13:52:22,676 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 49 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-11-19 13:52:22,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 66 transitions, 261 flow [2024-11-19 13:52:22,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:52:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 13:52:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2024-11-19 13:52:22,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-19 13:52:22,688 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 104 flow. Second operand 3 states and 110 transitions. [2024-11-19 13:52:22,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 66 transitions, 261 flow [2024-11-19 13:52:22,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 66 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 13:52:22,699 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 147 flow [2024-11-19 13:52:22,700 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} [2024-11-19 13:52:22,704 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-19 13:52:22,704 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 147 flow [2024-11-19 13:52:22,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:22,704 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:52:22,705 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:52:22,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:52:22,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-19 13:52:22,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:52:22,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1453826890, now seen corresponding path program 1 times [2024-11-19 13:52:22,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:52:22,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642278745] [2024-11-19 13:52:22,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:52:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:52:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:52:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:52:22,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:52:22,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642278745] [2024-11-19 13:52:22,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642278745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:52:22,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:52:22,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:52:22,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454467990] [2024-11-19 13:52:22,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:52:22,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:52:22,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:52:22,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:52:22,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:52:22,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-19 13:52:22,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:22,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:52:22,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-19 13:52:22,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:52:24,363 INFO L124 PetriNetUnfolderBase]: 12417/16789 cut-off events. [2024-11-19 13:52:24,364 INFO L125 PetriNetUnfolderBase]: For 1198/1198 co-relation queries the response was YES. [2024-11-19 13:52:24,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39626 conditions, 16789 events. 12417/16789 cut-off events. For 1198/1198 co-relation queries the response was YES. Maximal size of possible extension queue 899. Compared 100936 event pairs, 4275 based on Foata normal form. 0/14083 useless extension candidates. Maximal degree in co-relation 39615. Up to 16022 conditions per place. [2024-11-19 13:52:24,432 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 45 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-11-19 13:52:24,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 62 transitions, 269 flow [2024-11-19 13:52:24,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:52:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:52:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 118 transitions. [2024-11-19 13:52:24,434 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.59 [2024-11-19 13:52:24,435 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 147 flow. Second operand 4 states and 118 transitions. [2024-11-19 13:52:24,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 62 transitions, 269 flow [2024-11-19 13:52:24,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 62 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:52:24,437 INFO L231 Difference]: Finished difference. Result has 56 places, 46 transitions, 136 flow [2024-11-19 13:52:24,437 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} [2024-11-19 13:52:24,438 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-19 13:52:24,438 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 136 flow [2024-11-19 13:52:24,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:24,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:52:24,438 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:52:24,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:52:24,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-19 13:52:24,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:52:24,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1453826889, now seen corresponding path program 1 times [2024-11-19 13:52:24,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:52:24,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875486556] [2024-11-19 13:52:24,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:52:24,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:52:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:52:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:52:24,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:52:24,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875486556] [2024-11-19 13:52:24,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875486556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:52:24,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:52:24,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:52:24,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872114164] [2024-11-19 13:52:24,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:52:24,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:52:24,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:52:24,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:52:24,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:52:24,538 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-19 13:52:24,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 46 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:24,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:52:24,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-19 13:52:24,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:52:26,123 INFO L124 PetriNetUnfolderBase]: 8671/11887 cut-off events. [2024-11-19 13:52:26,124 INFO L125 PetriNetUnfolderBase]: For 1686/1686 co-relation queries the response was YES. [2024-11-19 13:52:26,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27455 conditions, 11887 events. 8671/11887 cut-off events. For 1686/1686 co-relation queries the response was YES. Maximal size of possible extension queue 584. Compared 69626 event pairs, 1503 based on Foata normal form. 0/10741 useless extension candidates. Maximal degree in co-relation 27443. Up to 8721 conditions per place. [2024-11-19 13:52:26,173 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 63 selfloop transitions, 9 changer transitions 0/84 dead transitions. [2024-11-19 13:52:26,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 84 transitions, 374 flow [2024-11-19 13:52:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:52:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:52:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 140 transitions. [2024-11-19 13:52:26,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7 [2024-11-19 13:52:26,175 INFO L175 Difference]: Start difference. First operand has 56 places, 46 transitions, 136 flow. Second operand 4 states and 140 transitions. [2024-11-19 13:52:26,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 84 transitions, 374 flow [2024-11-19 13:52:26,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 84 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 13:52:26,177 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 188 flow [2024-11-19 13:52:26,177 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} [2024-11-19 13:52:26,178 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-19 13:52:26,178 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 188 flow [2024-11-19 13:52:26,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:26,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:52:26,179 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] [2024-11-19 13:52:26,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:52:26,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-19 13:52:26,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:52:26,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1827157617, now seen corresponding path program 1 times [2024-11-19 13:52:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:52:26,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128051387] [2024-11-19 13:52:26,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:52:26,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:52:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:52:26,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:52:26,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:52:26,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128051387] [2024-11-19 13:52:26,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128051387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:52:26,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:52:26,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:52:26,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464459335] [2024-11-19 13:52:26,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:52:26,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:52:26,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:52:26,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:52:26,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:52:26,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-19 13:52:26,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:26,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:52:26,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-19 13:52:26,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:52:27,154 INFO L124 PetriNetUnfolderBase]: 6607/9079 cut-off events. [2024-11-19 13:52:27,154 INFO L125 PetriNetUnfolderBase]: For 4236/4236 co-relation queries the response was YES. [2024-11-19 13:52:27,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23608 conditions, 9079 events. 6607/9079 cut-off events. For 4236/4236 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 52091 event pairs, 563 based on Foata normal form. 0/8797 useless extension candidates. Maximal degree in co-relation 23595. Up to 3176 conditions per place. [2024-11-19 13:52:27,195 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 75 selfloop transitions, 13 changer transitions 4/104 dead transitions. [2024-11-19 13:52:27,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 104 transitions, 508 flow [2024-11-19 13:52:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:52:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 13:52:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 176 transitions. [2024-11-19 13:52:27,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.704 [2024-11-19 13:52:27,197 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 188 flow. Second operand 5 states and 176 transitions. [2024-11-19 13:52:27,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 104 transitions, 508 flow [2024-11-19 13:52:27,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 104 transitions, 490 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-19 13:52:27,202 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 212 flow [2024-11-19 13:52:27,202 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} [2024-11-19 13:52:27,203 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2024-11-19 13:52:27,203 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 212 flow [2024-11-19 13:52:27,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:27,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:52:27,203 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] [2024-11-19 13:52:27,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:52:27,204 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-19 13:52:27,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:52:27,204 INFO L85 PathProgramCache]: Analyzing trace with hash 467353422, now seen corresponding path program 1 times [2024-11-19 13:52:27,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:52:27,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227553518] [2024-11-19 13:52:27,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:52:27,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:52:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:52:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:52:27,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:52:27,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227553518] [2024-11-19 13:52:27,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227553518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:52:27,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:52:27,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:52:27,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511387047] [2024-11-19 13:52:27,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:52:27,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:52:27,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:52:27,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:52:27,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:52:27,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 50 [2024-11-19 13:52:27,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:27,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:52:27,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 50 [2024-11-19 13:52:27,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:52:28,337 INFO L124 PetriNetUnfolderBase]: 5935/8167 cut-off events. [2024-11-19 13:52:28,338 INFO L125 PetriNetUnfolderBase]: For 7332/7332 co-relation queries the response was YES. [2024-11-19 13:52:28,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21933 conditions, 8167 events. 5935/8167 cut-off events. For 7332/7332 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 47827 event pairs, 443 based on Foata normal form. 160/8205 useless extension candidates. Maximal degree in co-relation 21919. Up to 3176 conditions per place. [2024-11-19 13:52:28,365 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 0 selfloop transitions, 0 changer transitions 96/96 dead transitions. [2024-11-19 13:52:28,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 96 transitions, 460 flow [2024-11-19 13:52:28,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:52:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 13:52:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 184 transitions. [2024-11-19 13:52:28,374 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6133333333333333 [2024-11-19 13:52:28,374 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 212 flow. Second operand 6 states and 184 transitions. [2024-11-19 13:52:28,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 96 transitions, 460 flow [2024-11-19 13:52:28,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 96 transitions, 405 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-19 13:52:28,451 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-11-19 13:52:28,452 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} [2024-11-19 13:52:28,452 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-19 13:52:28,452 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-11-19 13:52:28,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:52:28,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-19 13:52:28,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-19 13:52:28,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-19 13:52:28,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-19 13:52:28,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-19 13:52:28,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-19 13:52:28,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-19 13:52:28,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-19 13:52:28,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-19 13:52:28,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-19 13:52:28,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-19 13:52:28,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-19 13:52:28,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-19 13:52:28,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-19 13:52:28,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-19 13:52:28,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-19 13:52:28,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-19 13:52:28,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-19 13:52:28,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-19 13:52:28,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-19 13:52:28,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:52:28,458 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-19 13:52:28,463 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:52:28,463 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:52:28,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:52:28 BasicIcfg [2024-11-19 13:52:28,468 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:52:28,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:52:28,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:52:28,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:52:28,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:52:18" (3/4) ... [2024-11-19 13:52:28,471 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:52:28,473 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-19 13:52:28,473 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-19 13:52:28,473 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-19 13:52:28,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-19 13:52:28,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2024-11-19 13:52:28,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-19 13:52:28,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-19 13:52:28,480 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-19 13:52:28,574 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:52:28,574 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:52:28,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:52:28,575 INFO L158 Benchmark]: Toolchain (without parser) took 11116.82ms. Allocated memory was 146.8MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 74.3MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-19 13:52:28,575 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 146.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:52:28,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.97ms. Allocated memory is still 146.8MB. Free memory was 74.3MB in the beginning and 113.7MB in the end (delta: -39.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-19 13:52:28,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.27ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 113.7MB in the beginning and 171.1MB in the end (delta: -57.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-19 13:52:28,576 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 203.4MB. Free memory was 171.1MB in the beginning and 166.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:52:28,576 INFO L158 Benchmark]: RCFGBuilder took 607.78ms. Allocated memory is still 203.4MB. Free memory was 166.9MB in the beginning and 105.0MB in the end (delta: 61.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-19 13:52:28,576 INFO L158 Benchmark]: TraceAbstraction took 9758.55ms. Allocated memory was 203.4MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 104.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-19 13:52:28,576 INFO L158 Benchmark]: Witness Printer took 105.52ms. Allocated memory is still 2.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:52:28,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 146.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.97ms. Allocated memory is still 146.8MB. Free memory was 74.3MB in the beginning and 113.7MB in the end (delta: -39.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.27ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 113.7MB in the beginning and 171.1MB in the end (delta: -57.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 203.4MB. Free memory was 171.1MB in the beginning and 166.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 607.78ms. Allocated memory is still 203.4MB. Free memory was 166.9MB in the beginning and 105.0MB in the end (delta: 61.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9758.55ms. Allocated memory was 203.4MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 104.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 105.52ms. Allocated memory is still 2.5GB. Free memory was 1.1GB in the beginning and 1.1GB 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: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 846]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 846]: 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: 9.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 299 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 289 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 459 IncrementalHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 2 mSDtfsCounter, 459 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, 0.5s 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! [2024-11-19 13:52:28,604 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