./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/thin002_power.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:46:51,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:46:51,702 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:46:51,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:46:51,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:46:51,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:46:51,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:46:51,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:46:51,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:46:51,733 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:46:51,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:46:51,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:46:51,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:46:51,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:46:51,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:46:51,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:46:51,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:46:51,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:46:51,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:46:51,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:46:51,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:46:51,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:46:51,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:46:51,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:46:51,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:46:51,739 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:46:51,739 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:46:51,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:46:51,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:46:51,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:46:51,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:46:51,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:46:51,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:46:51,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:46:51,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:46:51,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:46:51,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:46:51,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:46:51,743 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:46:51,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:46:51,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:46:51,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:46:51,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:46:51,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:46:51,745 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2024-11-23 01:46:52,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:46:52,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:46:52,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:46:52,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:46:52,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:46:52,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2024-11-23 01:46:53,565 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:46:53,834 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:46:53,835 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2024-11-23 01:46:53,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8b34d21/2b907db202eb42929e253ecc92ae44b6/FLAG1f5f63603 [2024-11-23 01:46:54,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8b34d21/2b907db202eb42929e253ecc92ae44b6 [2024-11-23 01:46:54,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:46:54,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:46:54,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:46:54,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:46:54,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:46:54,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67633e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54, skipping insertion in model container [2024-11-23 01:46:54,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:46:54,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:46:54,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:46:54,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:46:54,795 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:46:54,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54 WrapperNode [2024-11-23 01:46:54,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:46:54,797 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:46:54,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:46:54,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:46:54,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,871 INFO L138 Inliner]: procedures = 176, calls = 69, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 190 [2024-11-23 01:46:54,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:46:54,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:46:54,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:46:54,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:46:54,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,900 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,932 INFO L175 MemorySlicer]: Split 18 memory accesses to 2 slices as follows [2, 16]. 89 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 5 writes are split as follows [0, 5]. [2024-11-23 01:46:54,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:46:54,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:46:54,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:46:54,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:46:54,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (1/1) ... [2024-11-23 01:46:54,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:46:54,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:46:55,010 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) [2024-11-23 01:46:55,013 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 [2024-11-23 01:46:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:46:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:46:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:46:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:46:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 01:46:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:46:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 01:46:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 01:46:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 01:46:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 01:46:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 01:46:55,066 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 01:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-23 01:46:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-23 01:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 01:46:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:46:55,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:46:55,069 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 01:46:55,219 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:46:55,221 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:46:55,693 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 01:46:55,693 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:46:56,078 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:46:56,078 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 01:46:56,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:56 BoogieIcfgContainer [2024-11-23 01:46:56,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:46:56,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:46:56,082 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:46:56,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:46:56,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:46:54" (1/3) ... [2024-11-23 01:46:56,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51df2cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:56, skipping insertion in model container [2024-11-23 01:46:56,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:54" (2/3) ... [2024-11-23 01:46:56,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51df2cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:56, skipping insertion in model container [2024-11-23 01:46:56,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:56" (3/3) ... [2024-11-23 01:46:56,089 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_power.opt.i [2024-11-23 01:46:56,106 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:46:56,107 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-23 01:46:56,107 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 01:46:56,214 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 01:46:56,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 116 flow [2024-11-23 01:46:56,296 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-11-23 01:46:56,296 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 01:46:56,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 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. [2024-11-23 01:46:56,300 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 50 transitions, 116 flow [2024-11-23 01:46:56,305 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 46 transitions, 104 flow [2024-11-23 01:46:56,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:46:56,322 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;@62cc38eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:46:56,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-23 01:46:56,330 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 01:46:56,330 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-23 01:46:56,330 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 01:46:56,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:46:56,331 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:46:56,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:46:56,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:46:56,337 INFO L85 PathProgramCache]: Analyzing trace with hash -612220231, now seen corresponding path program 1 times [2024-11-23 01:46:56,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:46:56,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312581926] [2024-11-23 01:46:56,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:46:56,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:46:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:46:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:46:56,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:46:56,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312581926] [2024-11-23 01:46:56,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312581926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:46:56,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:46:56,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 01:46:56,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146936393] [2024-11-23 01:46:56,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:46:56,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:46:56,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:46:56,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:46:56,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:46:56,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 50 [2024-11-23 01:46:56,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-23 01:46:56,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:46:56,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 50 [2024-11-23 01:46:56,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:00,392 INFO L124 PetriNetUnfolderBase]: 18828/25209 cut-off events. [2024-11-23 01:47:00,392 INFO L125 PetriNetUnfolderBase]: For 149/149 co-relation queries the response was YES. [2024-11-23 01:47:00,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50712 conditions, 25209 events. 18828/25209 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 2394. Compared 169377 event pairs, 8732 based on Foata normal form. 0/17754 useless extension candidates. Maximal degree in co-relation 50700. Up to 25057 conditions per place. [2024-11-23 01:47:00,640 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 47 selfloop transitions, 5 changer transitions 0/65 dead transitions. [2024-11-23 01:47:00,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 65 transitions, 255 flow [2024-11-23 01:47:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:47:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 01:47:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2024-11-23 01:47:00,653 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.74 [2024-11-23 01:47:00,655 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 104 flow. Second operand 3 states and 111 transitions. [2024-11-23 01:47:00,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 65 transitions, 255 flow [2024-11-23 01:47:00,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 65 transitions, 248 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-23 01:47:00,662 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 147 flow [2024-11-23 01:47:00,664 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} [2024-11-23 01:47:00,667 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-23 01:47:00,668 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 147 flow [2024-11-23 01:47:00,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-11-23 01:47:00,668 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:00,669 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:00,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:47:00,669 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:47:00,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:00,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1387407899, now seen corresponding path program 1 times [2024-11-23 01:47:00,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:00,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758121036] [2024-11-23 01:47:00,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:00,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:00,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:00,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758121036] [2024-11-23 01:47:00,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758121036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:00,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:00,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:47:00,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636972938] [2024-11-23 01:47:00,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:00,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:47:00,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:00,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:47:00,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:47:00,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 50 [2024-11-23 01:47:00,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-23 01:47:00,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:00,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 50 [2024-11-23 01:47:00,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:02,837 INFO L124 PetriNetUnfolderBase]: 9514/12859 cut-off events. [2024-11-23 01:47:02,837 INFO L125 PetriNetUnfolderBase]: For 1081/1081 co-relation queries the response was YES. [2024-11-23 01:47:02,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31031 conditions, 12859 events. 9514/12859 cut-off events. For 1081/1081 co-relation queries the response was YES. Maximal size of possible extension queue 1091. Compared 80729 event pairs, 3794 based on Foata normal form. 0/10444 useless extension candidates. Maximal degree in co-relation 31020. Up to 12706 conditions per place. [2024-11-23 01:47:02,948 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 43 selfloop transitions, 5 changer transitions 0/61 dead transitions. [2024-11-23 01:47:02,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 61 transitions, 263 flow [2024-11-23 01:47:02,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:47:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 01:47:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 120 transitions. [2024-11-23 01:47:02,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6 [2024-11-23 01:47:02,953 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 147 flow. Second operand 4 states and 120 transitions. [2024-11-23 01:47:02,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 61 transitions, 263 flow [2024-11-23 01:47:02,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 61 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 01:47:02,955 INFO L231 Difference]: Finished difference. Result has 56 places, 46 transitions, 136 flow [2024-11-23 01:47:02,955 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} [2024-11-23 01:47:02,956 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-23 01:47:02,957 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 136 flow [2024-11-23 01:47:02,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-23 01:47:02,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:02,959 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:47:02,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 01:47:02,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:47:02,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:02,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1387407898, now seen corresponding path program 1 times [2024-11-23 01:47:02,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:02,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893211994] [2024-11-23 01:47:02,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:02,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:03,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:03,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893211994] [2024-11-23 01:47:03,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893211994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:03,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:03,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:47:03,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179045484] [2024-11-23 01:47:03,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:03,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:47:03,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:03,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:47:03,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:47:03,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 50 [2024-11-23 01:47:03,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 46 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-23 01:47:03,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:03,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 50 [2024-11-23 01:47:03,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:04,262 INFO L124 PetriNetUnfolderBase]: 6492/8913 cut-off events. [2024-11-23 01:47:04,263 INFO L125 PetriNetUnfolderBase]: For 1210/1210 co-relation queries the response was YES. [2024-11-23 01:47:04,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21016 conditions, 8913 events. 6492/8913 cut-off events. For 1210/1210 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 53062 event pairs, 1216 based on Foata normal form. 0/7818 useless extension candidates. Maximal degree in co-relation 21004. Up to 7801 conditions per place. [2024-11-23 01:47:04,333 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 60 selfloop transitions, 9 changer transitions 0/82 dead transitions. [2024-11-23 01:47:04,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 82 transitions, 364 flow [2024-11-23 01:47:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:47:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 01:47:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2024-11-23 01:47:04,336 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.705 [2024-11-23 01:47:04,336 INFO L175 Difference]: Start difference. First operand has 56 places, 46 transitions, 136 flow. Second operand 4 states and 141 transitions. [2024-11-23 01:47:04,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 82 transitions, 364 flow [2024-11-23 01:47:04,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 82 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 01:47:04,339 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 188 flow [2024-11-23 01:47:04,339 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} [2024-11-23 01:47:04,340 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-11-23 01:47:04,340 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 188 flow [2024-11-23 01:47:04,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-23 01:47:04,341 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:04,341 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] [2024-11-23 01:47:04,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:47:04,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:47:04,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:04,342 INFO L85 PathProgramCache]: Analyzing trace with hash -155872177, now seen corresponding path program 1 times [2024-11-23 01:47:04,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:04,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145089635] [2024-11-23 01:47:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:04,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:04,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:04,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145089635] [2024-11-23 01:47:04,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145089635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:04,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:04,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:47:04,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686841309] [2024-11-23 01:47:04,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:04,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 01:47:04,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:04,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 01:47:04,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:47:04,540 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 50 [2024-11-23 01:47:04,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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) [2024-11-23 01:47:04,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:04,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 50 [2024-11-23 01:47:04,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:05,752 INFO L124 PetriNetUnfolderBase]: 4404/6081 cut-off events. [2024-11-23 01:47:05,752 INFO L125 PetriNetUnfolderBase]: For 2997/2997 co-relation queries the response was YES. [2024-11-23 01:47:05,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16453 conditions, 6081 events. 4404/6081 cut-off events. For 2997/2997 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 33740 event pairs, 212 based on Foata normal form. 0/5874 useless extension candidates. Maximal degree in co-relation 16440. Up to 2833 conditions per place. [2024-11-23 01:47:05,802 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 71 selfloop transitions, 13 changer transitions 4/101 dead transitions. [2024-11-23 01:47:05,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 101 transitions, 494 flow [2024-11-23 01:47:05,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:47:05,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 01:47:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 177 transitions. [2024-11-23 01:47:05,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.708 [2024-11-23 01:47:05,804 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 188 flow. Second operand 5 states and 177 transitions. [2024-11-23 01:47:05,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 101 transitions, 494 flow [2024-11-23 01:47:05,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 101 transitions, 476 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-23 01:47:05,810 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 212 flow [2024-11-23 01:47:05,810 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} [2024-11-23 01:47:05,811 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2024-11-23 01:47:05,812 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 212 flow [2024-11-23 01:47:05,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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) [2024-11-23 01:47:05,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-23 01:47:05,812 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] [2024-11-23 01:47:05,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:47:05,813 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 01:47:05,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:47:05,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1066313838, now seen corresponding path program 1 times [2024-11-23 01:47:05,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:47:05,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750223447] [2024-11-23 01:47:05,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:47:05,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:47:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:47:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:47:06,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:47:06,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750223447] [2024-11-23 01:47:06,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750223447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:47:06,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:47:06,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:47:06,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360669102] [2024-11-23 01:47:06,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:47:06,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 01:47:06,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:47:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 01:47:06,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 01:47:06,103 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 50 [2024-11-23 01:47:06,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 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) [2024-11-23 01:47:06,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 01:47:06,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 50 [2024-11-23 01:47:06,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 01:47:06,982 INFO L124 PetriNetUnfolderBase]: 3588/4977 cut-off events. [2024-11-23 01:47:06,982 INFO L125 PetriNetUnfolderBase]: For 5637/5637 co-relation queries the response was YES. [2024-11-23 01:47:06,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14266 conditions, 4977 events. 3588/4977 cut-off events. For 5637/5637 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 28047 event pairs, 68 based on Foata normal form. 192/5154 useless extension candidates. Maximal degree in co-relation 14252. Up to 2136 conditions per place. [2024-11-23 01:47:07,002 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2024-11-23 01:47:07,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 93 transitions, 446 flow [2024-11-23 01:47:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 01:47:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 01:47:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 186 transitions. [2024-11-23 01:47:07,004 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.62 [2024-11-23 01:47:07,004 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 212 flow. Second operand 6 states and 186 transitions. [2024-11-23 01:47:07,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 93 transitions, 446 flow [2024-11-23 01:47:07,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 93 transitions, 391 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-23 01:47:07,032 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-11-23 01:47:07,032 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} [2024-11-23 01:47:07,033 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-11-23 01:47:07,033 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-11-23 01:47:07,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 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) [2024-11-23 01:47:07,036 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-23 01:47:07,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-23 01:47:07,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-23 01:47:07,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-23 01:47:07,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-23 01:47:07,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-23 01:47:07,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-23 01:47:07,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-23 01:47:07,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-23 01:47:07,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-23 01:47:07,038 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-23 01:47:07,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-23 01:47:07,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-23 01:47:07,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-23 01:47:07,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-23 01:47:07,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-23 01:47:07,039 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-23 01:47:07,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-23 01:47:07,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-23 01:47:07,040 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-23 01:47:07,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:47:07,041 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 01:47:07,046 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 01:47:07,047 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 01:47:07,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:47:07 BasicIcfg [2024-11-23 01:47:07,052 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 01:47:07,053 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 01:47:07,053 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 01:47:07,053 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 01:47:07,054 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:56" (3/4) ... [2024-11-23 01:47:07,056 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-23 01:47:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-23 01:47:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-23 01:47:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-23 01:47:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-23 01:47:07,064 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 83 nodes and edges [2024-11-23 01:47:07,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-23 01:47:07,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 01:47:07,065 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 01:47:07,165 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-23 01:47:07,165 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-23 01:47:07,165 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 01:47:07,166 INFO L158 Benchmark]: Toolchain (without parser) took 13021.61ms. Allocated memory was 169.9MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 115.0MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 529.2MB. Max. memory is 16.1GB. [2024-11-23 01:47:07,166 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 169.9MB. Free memory was 135.1MB in the beginning and 134.9MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 01:47:07,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.69ms. Allocated memory is still 169.9MB. Free memory was 115.0MB in the beginning and 87.0MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-23 01:47:07,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.13ms. Allocated memory is still 169.9MB. Free memory was 87.0MB in the beginning and 84.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 01:47:07,167 INFO L158 Benchmark]: Boogie Preprocessor took 98.12ms. Allocated memory is still 169.9MB. Free memory was 84.3MB in the beginning and 80.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:47:07,168 INFO L158 Benchmark]: RCFGBuilder took 1105.32ms. Allocated memory is still 169.9MB. Free memory was 80.1MB in the beginning and 64.8MB in the end (delta: 15.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-11-23 01:47:07,168 INFO L158 Benchmark]: TraceAbstraction took 10971.11ms. Allocated memory was 169.9MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 63.6MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-23 01:47:07,168 INFO L158 Benchmark]: Witness Printer took 112.50ms. Allocated memory is still 3.0GB. Free memory was 2.5GB in the beginning and 2.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 01:47:07,170 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 169.9MB. Free memory was 135.1MB in the beginning and 134.9MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.69ms. Allocated memory is still 169.9MB. Free memory was 115.0MB in the beginning and 87.0MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.13ms. Allocated memory is still 169.9MB. Free memory was 87.0MB in the beginning and 84.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.12ms. Allocated memory is still 169.9MB. Free memory was 84.3MB in the beginning and 80.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1105.32ms. Allocated memory is still 169.9MB. Free memory was 80.1MB in the beginning and 64.8MB in the end (delta: 15.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10971.11ms. Allocated memory was 169.9MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 63.6MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 112.50ms. Allocated memory is still 3.0GB. Free memory was 2.5GB in the beginning and 2.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 794]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 824]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 824]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 860]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 860]: 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: 10.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 302 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 292 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 442 IncrementalHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 2 mSDtfsCounter, 442 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, 0.7s 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! [2024-11-23 01:47:07,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE