./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:37:31,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:37:31,846 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 06:37:31,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:37:31,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:37:31,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:37:31,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:37:31,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:37:31,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:37:31,883 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:37:31,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:37:31,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:37:31,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:37:31,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:37:31,884 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:37:31,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:37:31,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:37:31,885 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:37:31,886 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:37:31,886 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:37:31,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:37:31,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:37:31,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:37:31,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:37:31,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:37:31,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:37:31,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:37:31,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:37:31,887 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> f5d83fc7ee9b26859e9993ee2fcff801f4a9d92dea17a48a6a39594bb6b759ca [2025-01-10 06:37:32,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:37:32,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:37:32,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:37:32,129 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:37:32,130 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:37:32,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2025-01-10 06:37:33,258 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e7dfe912/0746ead0e45a43bd90bd2b7b8b9672f3/FLAG46ae22d21 [2025-01-10 06:37:33,538 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:37:33,538 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix036_power.opt_rmo.opt.i [2025-01-10 06:37:33,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e7dfe912/0746ead0e45a43bd90bd2b7b8b9672f3/FLAG46ae22d21 [2025-01-10 06:37:33,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5e7dfe912/0746ead0e45a43bd90bd2b7b8b9672f3 [2025-01-10 06:37:33,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:37:33,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:37:33,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:37:33,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:37:33,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:37:33,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:37:33" (1/1) ... [2025-01-10 06:37:33,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74781be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:33, skipping insertion in model container [2025-01-10 06:37:33,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:37:33" (1/1) ... [2025-01-10 06:37:33,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:37:33,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:37:33,988 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:37:34,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:37:34,091 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:37:34,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34 WrapperNode [2025-01-10 06:37:34,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:37:34,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:37:34,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:37:34,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:37:34,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,148 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 136 [2025-01-10 06:37:34,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:37:34,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:37:34,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:37:34,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:37:34,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,181 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]. [2025-01-10 06:37:34,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,191 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:37:34,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:37:34,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:37:34,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:37:34,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (1/1) ... [2025-01-10 06:37:34,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:37:34,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:37:34,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 06:37:34,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-01-10 06:37:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-01-10 06:37:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-01-10 06:37:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-01-10 06:37:34,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-10 06:37:34,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:37:34,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:37:34,254 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-10 06:37:34,350 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:37:34,351 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:37:34,598 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-10 06:37:34,598 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:37:34,754 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:37:34,755 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 06:37:34,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:37:34 BoogieIcfgContainer [2025-01-10 06:37:34,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:37:34,757 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:37:34,757 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:37:34,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:37:34,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:37:33" (1/3) ... [2025-01-10 06:37:34,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309b8207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:37:34, skipping insertion in model container [2025-01-10 06:37:34,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:37:34" (2/3) ... [2025-01-10 06:37:34,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@309b8207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:37:34, skipping insertion in model container [2025-01-10 06:37:34,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:37:34" (3/3) ... [2025-01-10 06:37:34,764 INFO L128 eAbstractionObserver]: Analyzing ICFG mix036_power.opt_rmo.opt.i [2025-01-10 06:37:34,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:37:34,777 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix036_power.opt_rmo.opt.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-01-10 06:37:34,777 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-10 06:37:34,832 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-01-10 06:37:34,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 120 flow [2025-01-10 06:37:34,892 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2025-01-10 06:37:34,896 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:37:34,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 0/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 120 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2025-01-10 06:37:34,898 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 52 transitions, 120 flow [2025-01-10 06:37:34,902 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 48 transitions, 108 flow [2025-01-10 06:37:34,909 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:37:34,920 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;@2963631e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:37:34,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-01-10 06:37:34,928 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-10 06:37:34,928 INFO L124 PetriNetUnfolderBase]: 0/12 cut-off events. [2025-01-10 06:37:34,929 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-10 06:37:34,929 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:34,929 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:34,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-01-10 06:37:34,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1793578226, now seen corresponding path program 1 times [2025-01-10 06:37:34,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:34,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63390728] [2025-01-10 06:37:34,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:34,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:35,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:37:35,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:37:35,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:35,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:35,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:35,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63390728] [2025-01-10 06:37:35,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63390728] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:35,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:35,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-01-10 06:37:35,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309340183] [2025-01-10 06:37:35,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:35,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:37:35,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:35,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:37:35,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:37:35,178 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2025-01-10 06:37:35,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 48 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2025-01-10 06:37:35,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:35,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2025-01-10 06:37:35,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:37,147 INFO L124 PetriNetUnfolderBase]: 16133/21717 cut-off events. [2025-01-10 06:37:37,148 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2025-01-10 06:37:37,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43735 conditions, 21717 events. 16133/21717 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 1768. Compared 145031 event pairs, 7407 based on Foata normal form. 0/15343 useless extension candidates. Maximal degree in co-relation 43723. Up to 21469 conditions per place. [2025-01-10 06:37:37,315 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 45 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2025-01-10 06:37:37,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 66 transitions, 253 flow [2025-01-10 06:37:37,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:37:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-10 06:37:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2025-01-10 06:37:37,325 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7564102564102564 [2025-01-10 06:37:37,329 INFO L175 Difference]: Start difference. First operand has 61 places, 48 transitions, 108 flow. Second operand 3 states and 118 transitions. [2025-01-10 06:37:37,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 66 transitions, 253 flow [2025-01-10 06:37:37,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 66 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-10 06:37:37,339 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 151 flow [2025-01-10 06:37:37,341 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2025-01-10 06:37:37,345 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2025-01-10 06:37:37,346 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 151 flow [2025-01-10 06:37:37,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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) [2025-01-10 06:37:37,346 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:37,346 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:37,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:37:37,347 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-01-10 06:37:37,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:37,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1986987423, now seen corresponding path program 1 times [2025-01-10 06:37:37,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:37,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025817564] [2025-01-10 06:37:37,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:37,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:37,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 06:37:37,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 06:37:37,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:37,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:37,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:37,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025817564] [2025-01-10 06:37:37,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025817564] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:37,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:37,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:37:37,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237158009] [2025-01-10 06:37:37,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:37,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:37:37,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:37,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:37:37,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:37:37,510 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2025-01-10 06:37:37,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 151 flow. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-01-10 06:37:37,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:37,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2025-01-10 06:37:37,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:38,929 INFO L124 PetriNetUnfolderBase]: 12717/17773 cut-off events. [2025-01-10 06:37:38,929 INFO L125 PetriNetUnfolderBase]: For 1212/1212 co-relation queries the response was YES. [2025-01-10 06:37:38,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42310 conditions, 17773 events. 12717/17773 cut-off events. For 1212/1212 co-relation queries the response was YES. Maximal size of possible extension queue 1342. Compared 119645 event pairs, 2888 based on Foata normal form. 0/14036 useless extension candidates. Maximal degree in co-relation 42299. Up to 10137 conditions per place. [2025-01-10 06:37:39,081 INFO L140 encePairwiseOnDemand]: 39/52 looper letters, 61 selfloop transitions, 13 changer transitions 0/90 dead transitions. [2025-01-10 06:37:39,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 90 transitions, 401 flow [2025-01-10 06:37:39,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:37:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:37:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 158 transitions. [2025-01-10 06:37:39,083 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7596153846153846 [2025-01-10 06:37:39,084 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 151 flow. Second operand 4 states and 158 transitions. [2025-01-10 06:37:39,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 90 transitions, 401 flow [2025-01-10 06:37:39,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 90 transitions, 396 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-10 06:37:39,086 INFO L231 Difference]: Finished difference. Result has 64 places, 60 transitions, 249 flow [2025-01-10 06:37:39,087 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=249, PETRI_PLACES=64, PETRI_TRANSITIONS=60} [2025-01-10 06:37:39,088 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 3 predicate places. [2025-01-10 06:37:39,089 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 60 transitions, 249 flow [2025-01-10 06:37:39,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-01-10 06:37:39,089 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:39,089 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:39,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 06:37:39,090 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-01-10 06:37:39,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:39,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1564788810, now seen corresponding path program 1 times [2025-01-10 06:37:39,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:39,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569278284] [2025-01-10 06:37:39,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:39,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:39,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 06:37:39,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 06:37:39,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:39,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:39,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:39,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:39,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569278284] [2025-01-10 06:37:39,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569278284] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:39,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:39,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:37:39,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889632166] [2025-01-10 06:37:39,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:39,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:37:39,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:39,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:37:39,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 06:37:39,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2025-01-10 06:37:39,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 60 transitions, 249 flow. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-01-10 06:37:39,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:39,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2025-01-10 06:37:39,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:39,877 INFO L124 PetriNetUnfolderBase]: 5721/7921 cut-off events. [2025-01-10 06:37:39,878 INFO L125 PetriNetUnfolderBase]: For 7142/7142 co-relation queries the response was YES. [2025-01-10 06:37:39,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21465 conditions, 7921 events. 5721/7921 cut-off events. For 7142/7142 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 46799 event pairs, 1923 based on Foata normal form. 1420/8375 useless extension candidates. Maximal degree in co-relation 21451. Up to 7672 conditions per place. [2025-01-10 06:37:39,932 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 45 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2025-01-10 06:37:39,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 66 transitions, 327 flow [2025-01-10 06:37:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:37:39,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-01-10 06:37:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 130 transitions. [2025-01-10 06:37:39,936 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2025-01-10 06:37:39,936 INFO L175 Difference]: Start difference. First operand has 64 places, 60 transitions, 249 flow. Second operand 4 states and 130 transitions. [2025-01-10 06:37:39,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 66 transitions, 327 flow [2025-01-10 06:37:39,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 66 transitions, 304 flow, removed 4 selfloop flow, removed 3 redundant places. [2025-01-10 06:37:39,950 INFO L231 Difference]: Finished difference. Result has 60 places, 52 transitions, 180 flow [2025-01-10 06:37:39,950 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=180, PETRI_PLACES=60, PETRI_TRANSITIONS=52} [2025-01-10 06:37:39,951 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -1 predicate places. [2025-01-10 06:37:39,951 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 52 transitions, 180 flow [2025-01-10 06:37:39,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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) [2025-01-10 06:37:39,951 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:39,951 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:39,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:37:39,951 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-01-10 06:37:39,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:39,952 INFO L85 PathProgramCache]: Analyzing trace with hash 562821240, now seen corresponding path program 1 times [2025-01-10 06:37:39,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:39,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866004811] [2025-01-10 06:37:39,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:39,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:39,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 06:37:39,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 06:37:39,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:39,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:40,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:40,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866004811] [2025-01-10 06:37:40,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866004811] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:40,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:40,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:37:40,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036386674] [2025-01-10 06:37:40,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:40,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:37:40,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:40,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:37:40,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:37:40,110 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2025-01-10 06:37:40,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 52 transitions, 180 flow. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2025-01-10 06:37:40,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:40,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2025-01-10 06:37:40,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:40,599 INFO L124 PetriNetUnfolderBase]: 3993/5569 cut-off events. [2025-01-10 06:37:40,599 INFO L125 PetriNetUnfolderBase]: For 2540/2540 co-relation queries the response was YES. [2025-01-10 06:37:40,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13906 conditions, 5569 events. 3993/5569 cut-off events. For 2540/2540 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 31082 event pairs, 280 based on Foata normal form. 0/5348 useless extension candidates. Maximal degree in co-relation 13893. Up to 2353 conditions per place. [2025-01-10 06:37:40,625 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 67 selfloop transitions, 13 changer transitions 4/100 dead transitions. [2025-01-10 06:37:40,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 100 transitions, 472 flow [2025-01-10 06:37:40,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:37:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-01-10 06:37:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 188 transitions. [2025-01-10 06:37:40,627 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7230769230769231 [2025-01-10 06:37:40,627 INFO L175 Difference]: Start difference. First operand has 60 places, 52 transitions, 180 flow. Second operand 5 states and 188 transitions. [2025-01-10 06:37:40,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 100 transitions, 472 flow [2025-01-10 06:37:40,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 100 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-10 06:37:40,629 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 216 flow [2025-01-10 06:37:40,630 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=216, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2025-01-10 06:37:40,630 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 2 predicate places. [2025-01-10 06:37:40,630 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 216 flow [2025-01-10 06:37:40,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2025-01-10 06:37:40,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-10 06:37:40,631 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:37:40,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 06:37:40,631 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-01-10 06:37:40,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:37:40,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1918218193, now seen corresponding path program 1 times [2025-01-10 06:37:40,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:37:40,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449927632] [2025-01-10 06:37:40,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:37:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:37:40,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:37:40,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:37:40,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:37:40,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:37:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:37:40,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:37:40,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449927632] [2025-01-10 06:37:40,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449927632] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:37:40,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:37:40,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:37:40,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908073263] [2025-01-10 06:37:40,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:37:40,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:37:40,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:37:40,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:37:40,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:37:40,781 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 52 [2025-01-10 06:37:40,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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) [2025-01-10 06:37:40,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-10 06:37:40,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 52 [2025-01-10 06:37:40,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-10 06:37:41,195 INFO L124 PetriNetUnfolderBase]: 3321/4657 cut-off events. [2025-01-10 06:37:41,196 INFO L125 PetriNetUnfolderBase]: For 5046/5046 co-relation queries the response was YES. [2025-01-10 06:37:41,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13137 conditions, 4657 events. 3321/4657 cut-off events. For 5046/5046 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 26998 event pairs, 105 based on Foata normal form. 160/4756 useless extension candidates. Maximal degree in co-relation 13123. Up to 1920 conditions per place. [2025-01-10 06:37:41,210 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 0 selfloop transitions, 0 changer transitions 92/92 dead transitions. [2025-01-10 06:37:41,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 92 transitions, 436 flow [2025-01-10 06:37:41,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:37:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-10 06:37:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 200 transitions. [2025-01-10 06:37:41,212 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6410256410256411 [2025-01-10 06:37:41,212 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 216 flow. Second operand 6 states and 200 transitions. [2025-01-10 06:37:41,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 92 transitions, 436 flow [2025-01-10 06:37:41,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 92 transitions, 381 flow, removed 8 selfloop flow, removed 6 redundant places. [2025-01-10 06:37:41,229 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2025-01-10 06:37:41,229 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2025-01-10 06:37:41,229 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2025-01-10 06:37:41,229 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2025-01-10 06:37:41,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-01-10 06:37:41,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-01-10 06:37:41,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-01-10 06:37:41,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-01-10 06:37:41,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-01-10 06:37:41,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-01-10 06:37:41,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-01-10 06:37:41,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-01-10 06:37:41,236 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-01-10 06:37:41,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-01-10 06:37:41,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-01-10 06:37:41,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-01-10 06:37:41,237 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-01-10 06:37:41,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 06:37:41,237 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-01-10 06:37:41,241 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-10 06:37:41,241 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 06:37:41,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:37:41 BasicIcfg [2025-01-10 06:37:41,245 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 06:37:41,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 06:37:41,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 06:37:41,246 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 06:37:41,246 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:37:34" (3/4) ... [2025-01-10 06:37:41,251 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 06:37:41,253 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2025-01-10 06:37:41,253 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2025-01-10 06:37:41,253 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2025-01-10 06:37:41,253 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2025-01-10 06:37:41,260 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2025-01-10 06:37:41,260 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-01-10 06:37:41,260 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-10 06:37:41,260 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-10 06:37:41,328 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 06:37:41,328 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 06:37:41,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 06:37:41,329 INFO L158 Benchmark]: Toolchain (without parser) took 7759.54ms. Allocated memory was 142.6MB in the beginning and 989.9MB in the end (delta: 847.2MB). Free memory was 112.3MB in the beginning and 176.9MB in the end (delta: -64.6MB). Peak memory consumption was 782.1MB. Max. memory is 16.1GB. [2025-01-10 06:37:41,330 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:37:41,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.26ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 88.9MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-10 06:37:41,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.83ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 86.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:37:41,331 INFO L158 Benchmark]: Boogie Preprocessor took 53.98ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 83.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 06:37:41,332 INFO L158 Benchmark]: RCFGBuilder took 551.17ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 98.7MB in the end (delta: -14.9MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2025-01-10 06:37:41,332 INFO L158 Benchmark]: TraceAbstraction took 6488.61ms. Allocated memory was 142.6MB in the beginning and 989.9MB in the end (delta: 847.2MB). Free memory was 97.9MB in the beginning and 181.2MB in the end (delta: -83.3MB). Peak memory consumption was 759.4MB. Max. memory is 16.1GB. [2025-01-10 06:37:41,333 INFO L158 Benchmark]: Witness Printer took 82.57ms. Allocated memory is still 989.9MB. Free memory was 181.2MB in the beginning and 176.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 06:37:41,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.26ms. Allocated memory is still 142.6MB. Free memory was 112.3MB in the beginning and 88.9MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.83ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 86.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.98ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 83.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 551.17ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 98.7MB in the end (delta: -14.9MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6488.61ms. Allocated memory was 142.6MB in the beginning and 989.9MB in the end (delta: 847.2MB). Free memory was 97.9MB in the beginning and 181.2MB in the end (delta: -83.3MB). Peak memory consumption was 759.4MB. Max. memory is 16.1GB. * Witness Printer took 82.57ms. Allocated memory is still 989.9MB. Free memory was 181.2MB in the beginning and 176.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 792]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 822]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 848]: 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, 95 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: 6.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 217 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 441 IncrementalHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 0 mSDtfsCounter, 441 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=249occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-10 06:37:41,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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