./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:52:38,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:52:39,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:52:39,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:52:39,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:52:39,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:52:39,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:52:39,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:52:39,112 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:52:39,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:52:39,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:52:39,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:52:39,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:52:39,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:52:39,117 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:52:39,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:52:39,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:52:39,118 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:52:39,119 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:52:39,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:52:39,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:52:39,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:52:39,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:52:39,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:52:39,124 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:52:39,125 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:52:39,125 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:52:39,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:52:39,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:52:39,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:52:39,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:52:39,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:52:39,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:52:39,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:52:39,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:52:39,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:52:39,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:52:39,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:52:39,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:52:39,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:52:39,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:52:39,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:52:39,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:52:39,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:52:39,131 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be536b3b382c4e63adbabc11deb06983f35dbd290b78e0d42f1a068990873986 [2024-10-11 23:52:39,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:52:39,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:52:39,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:52:39,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:52:39,446 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:52:39,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2024-10-11 23:52:40,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:52:41,204 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:52:41,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe009_power.opt.i [2024-10-11 23:52:41,228 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8ea4c7598/07989cfcd3934090bd6e4044545cd3d7/FLAG1d664d6ff [2024-10-11 23:52:41,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8ea4c7598/07989cfcd3934090bd6e4044545cd3d7 [2024-10-11 23:52:41,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:52:41,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:52:41,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:52:41,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:52:41,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:52:41,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:52:41" (1/1) ... [2024-10-11 23:52:41,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcd5a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:41, skipping insertion in model container [2024-10-11 23:52:41,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:52:41" (1/1) ... [2024-10-11 23:52:41,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:52:41,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:52:41,994 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:52:42,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:52:42,101 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:52:42,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42 WrapperNode [2024-10-11 23:52:42,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:52:42,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:52:42,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:52:42,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:52:42,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,165 INFO L138 Inliner]: procedures = 175, calls = 60, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 174 [2024-10-11 23:52:42,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:52:42,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:52:42,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:52:42,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:52:42,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,183 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,216 INFO L175 MemorySlicer]: Split 20 memory accesses to 2 slices as follows [2, 18]. 90 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 6 writes are split as follows [0, 6]. [2024-10-11 23:52:42,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:52:42,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:52:42,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:52:42,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:52:42,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (1/1) ... [2024-10-11 23:52:42,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:52:42,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:52:42,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:52:42,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:52:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:52:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:52:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:52:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:52:42,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 23:52:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:52:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 23:52:42,357 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 23:52:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 23:52:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 23:52:42,359 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-11 23:52:42,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-11 23:52:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:52:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:52:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 23:52:42,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:52:42,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:52:42,362 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 23:52:42,514 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:52:42,517 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:52:43,015 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 23:52:43,015 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:52:43,436 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:52:43,437 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 23:52:43,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:52:43 BoogieIcfgContainer [2024-10-11 23:52:43,438 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:52:43,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:52:43,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:52:43,445 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:52:43,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:52:41" (1/3) ... [2024-10-11 23:52:43,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f53ba60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:52:43, skipping insertion in model container [2024-10-11 23:52:43,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:52:42" (2/3) ... [2024-10-11 23:52:43,447 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f53ba60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:52:43, skipping insertion in model container [2024-10-11 23:52:43,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:52:43" (3/3) ... [2024-10-11 23:52:43,448 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_power.opt.i [2024-10-11 23:52:43,466 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:52:43,467 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 23:52:43,467 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 23:52:43,534 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 23:52:43,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 38 transitions, 88 flow [2024-10-11 23:52:43,607 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2024-10-11 23:52:43,608 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 23:52:43,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 35 events. 0/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 95 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-11 23:52:43,611 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 38 transitions, 88 flow [2024-10-11 23:52:43,615 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 35 transitions, 79 flow [2024-10-11 23:52:43,624 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:52:43,632 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;@321d1fa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:52:43,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-11 23:52:43,641 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 23:52:43,642 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-11 23:52:43,642 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 23:52:43,642 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:52:43,643 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:52:43,644 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:52:43,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:52:43,650 INFO L85 PathProgramCache]: Analyzing trace with hash 257746301, now seen corresponding path program 1 times [2024-10-11 23:52:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:52:43,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425673138] [2024-10-11 23:52:43,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:52:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:52:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:52:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:52:44,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:52:44,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425673138] [2024-10-11 23:52:44,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425673138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:52:44,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:52:44,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 23:52:44,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577971878] [2024-10-11 23:52:44,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:52:44,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:52:44,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:52:44,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:52:44,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:52:44,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-10-11 23:52:44,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-11 23:52:44,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:52:44,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-10-11 23:52:44,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:52:45,218 INFO L124 PetriNetUnfolderBase]: 2919/4304 cut-off events. [2024-10-11 23:52:45,219 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-10-11 23:52:45,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8655 conditions, 4304 events. 2919/4304 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 23930 event pairs, 1013 based on Foata normal form. 0/3449 useless extension candidates. Maximal degree in co-relation 8644. Up to 3927 conditions per place. [2024-10-11 23:52:45,262 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 41 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2024-10-11 23:52:45,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 52 transitions, 209 flow [2024-10-11 23:52:45,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:52:45,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 23:52:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2024-10-11 23:52:45,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7105263157894737 [2024-10-11 23:52:45,280 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 79 flow. Second operand 3 states and 81 transitions. [2024-10-11 23:52:45,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 52 transitions, 209 flow [2024-10-11 23:52:45,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 52 transitions, 204 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 23:52:45,290 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 112 flow [2024-10-11 23:52:45,294 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2024-10-11 23:52:45,301 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 0 predicate places. [2024-10-11 23:52:45,301 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 112 flow [2024-10-11 23:52:45,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-11 23:52:45,302 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:52:45,302 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:52:45,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:52:45,302 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:52:45,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:52:45,303 INFO L85 PathProgramCache]: Analyzing trace with hash -730626643, now seen corresponding path program 1 times [2024-10-11 23:52:45,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:52:45,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047536218] [2024-10-11 23:52:45,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:52:45,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:52:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:52:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:52:45,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:52:45,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047536218] [2024-10-11 23:52:45,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047536218] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:52:45,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:52:45,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:52:45,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560548592] [2024-10-11 23:52:45,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:52:45,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:52:45,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:52:45,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:52:45,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:52:45,584 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-10-11 23:52:45,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-11 23:52:45,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:52:45,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-10-11 23:52:45,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:52:46,354 INFO L124 PetriNetUnfolderBase]: 2267/3416 cut-off events. [2024-10-11 23:52:46,354 INFO L125 PetriNetUnfolderBase]: For 254/254 co-relation queries the response was YES. [2024-10-11 23:52:46,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7911 conditions, 3416 events. 2267/3416 cut-off events. For 254/254 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 18822 event pairs, 459 based on Foata normal form. 0/2977 useless extension candidates. Maximal degree in co-relation 7900. Up to 1758 conditions per place. [2024-10-11 23:52:46,381 INFO L140 encePairwiseOnDemand]: 28/38 looper letters, 53 selfloop transitions, 10 changer transitions 3/73 dead transitions. [2024-10-11 23:52:46,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 73 transitions, 332 flow [2024-10-11 23:52:46,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:52:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 23:52:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 109 transitions. [2024-10-11 23:52:46,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7171052631578947 [2024-10-11 23:52:46,385 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 112 flow. Second operand 4 states and 109 transitions. [2024-10-11 23:52:46,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 73 transitions, 332 flow [2024-10-11 23:52:46,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 73 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 23:52:46,389 INFO L231 Difference]: Finished difference. Result has 49 places, 41 transitions, 168 flow [2024-10-11 23:52:46,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=168, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2024-10-11 23:52:46,391 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 4 predicate places. [2024-10-11 23:52:46,392 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 168 flow [2024-10-11 23:52:46,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-11 23:52:46,392 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:52:46,392 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:52:46,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:52:46,393 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:52:46,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:52:46,394 INFO L85 PathProgramCache]: Analyzing trace with hash -730626644, now seen corresponding path program 1 times [2024-10-11 23:52:46,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:52:46,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514280706] [2024-10-11 23:52:46,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:52:46,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:52:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:52:46,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:52:46,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:52:46,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514280706] [2024-10-11 23:52:46,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514280706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:52:46,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:52:46,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:52:46,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712106343] [2024-10-11 23:52:46,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:52:46,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:52:46,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:52:46,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:52:46,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:52:46,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-10-11 23:52:46,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 168 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-11 23:52:46,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:52:46,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-10-11 23:52:46,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:52:47,133 INFO L124 PetriNetUnfolderBase]: 1395/2116 cut-off events. [2024-10-11 23:52:47,133 INFO L125 PetriNetUnfolderBase]: For 2198/2198 co-relation queries the response was YES. [2024-10-11 23:52:47,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5290 conditions, 2116 events. 1395/2116 cut-off events. For 2198/2198 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 11265 event pairs, 381 based on Foata normal form. 272/2365 useless extension candidates. Maximal degree in co-relation 5276. Up to 1738 conditions per place. [2024-10-11 23:52:47,151 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 38 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2024-10-11 23:52:47,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 49 transitions, 242 flow [2024-10-11 23:52:47,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:52:47,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-11 23:52:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2024-10-11 23:52:47,154 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5592105263157895 [2024-10-11 23:52:47,155 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 168 flow. Second operand 4 states and 85 transitions. [2024-10-11 23:52:47,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 49 transitions, 242 flow [2024-10-11 23:52:47,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 49 transitions, 224 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-10-11 23:52:47,171 INFO L231 Difference]: Finished difference. Result has 46 places, 35 transitions, 116 flow [2024-10-11 23:52:47,171 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=116, PETRI_PLACES=46, PETRI_TRANSITIONS=35} [2024-10-11 23:52:47,173 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2024-10-11 23:52:47,173 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 35 transitions, 116 flow [2024-10-11 23:52:47,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-11 23:52:47,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 23:52:47,174 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:52:47,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:52:47,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-11 23:52:47,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:52:47,175 INFO L85 PathProgramCache]: Analyzing trace with hash 30804791, now seen corresponding path program 1 times [2024-10-11 23:52:47,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:52:47,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688288782] [2024-10-11 23:52:47,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:52:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:52:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:52:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:52:47,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:52:47,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688288782] [2024-10-11 23:52:47,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688288782] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:52:47,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:52:47,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:52:47,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142859492] [2024-10-11 23:52:47,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:52:47,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:52:47,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:52:47,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:52:47,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:52:47,367 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 38 [2024-10-11 23:52:47,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 35 transitions, 116 flow. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-10-11 23:52:47,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 23:52:47,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 38 [2024-10-11 23:52:47,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 23:52:47,874 INFO L124 PetriNetUnfolderBase]: 1263/1912 cut-off events. [2024-10-11 23:52:47,875 INFO L125 PetriNetUnfolderBase]: For 1018/1018 co-relation queries the response was YES. [2024-10-11 23:52:47,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4477 conditions, 1912 events. 1263/1912 cut-off events. For 1018/1018 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 10238 event pairs, 209 based on Foata normal form. 72/1961 useless extension candidates. Maximal degree in co-relation 4464. Up to 846 conditions per place. [2024-10-11 23:52:47,881 INFO L140 encePairwiseOnDemand]: 31/38 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2024-10-11 23:52:47,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 61 transitions, 270 flow [2024-10-11 23:52:47,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:52:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 23:52:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 107 transitions. [2024-10-11 23:52:47,884 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5631578947368421 [2024-10-11 23:52:47,884 INFO L175 Difference]: Start difference. First operand has 46 places, 35 transitions, 116 flow. Second operand 5 states and 107 transitions. [2024-10-11 23:52:47,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 61 transitions, 270 flow [2024-10-11 23:52:47,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 61 transitions, 255 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 23:52:47,887 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2024-10-11 23:52:47,887 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2024-10-11 23:52:47,888 INFO L277 CegarLoopForPetriNet]: 45 programPoint places, -2 predicate places. [2024-10-11 23:52:47,888 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow [2024-10-11 23:52:47,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2024-10-11 23:52:47,891 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-10-11 23:52:47,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-10-11 23:52:47,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-10-11 23:52:47,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-10-11 23:52:47,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-10-11 23:52:47,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-10-11 23:52:47,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-11 23:52:47,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-10-11 23:52:47,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-10-11 23:52:47,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-10-11 23:52:47,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-10-11 23:52:47,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-10-11 23:52:47,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-10-11 23:52:47,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-10-11 23:52:47,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-10-11 23:52:47,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:52:47,898 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 23:52:47,903 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 23:52:47,903 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 23:52:47,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 11:52:47 BasicIcfg [2024-10-11 23:52:47,910 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 23:52:47,911 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 23:52:47,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 23:52:47,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 23:52:47,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:52:43" (3/4) ... [2024-10-11 23:52:47,914 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 23:52:47,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-11 23:52:47,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-11 23:52:47,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-11 23:52:47,924 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-10-11 23:52:47,924 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-11 23:52:47,924 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 23:52:47,925 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 23:52:48,021 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 23:52:48,022 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 23:52:48,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 23:52:48,023 INFO L158 Benchmark]: Toolchain (without parser) took 6525.75ms. Allocated memory was 167.8MB in the beginning and 362.8MB in the end (delta: 195.0MB). Free memory was 96.5MB in the beginning and 171.4MB in the end (delta: -74.9MB). Peak memory consumption was 122.0MB. Max. memory is 16.1GB. [2024-10-11 23:52:48,024 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 23:52:48,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.77ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 123.7MB in the end (delta: -27.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 23:52:48,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.85ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 120.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 23:52:48,025 INFO L158 Benchmark]: Boogie Preprocessor took 91.39ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 116.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:52:48,025 INFO L158 Benchmark]: RCFGBuilder took 1179.47ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 95.3MB in the end (delta: 20.9MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2024-10-11 23:52:48,025 INFO L158 Benchmark]: TraceAbstraction took 4469.16ms. Allocated memory was 167.8MB in the beginning and 362.8MB in the end (delta: 195.0MB). Free memory was 95.3MB in the beginning and 175.6MB in the end (delta: -80.4MB). Peak memory consumption was 200.2MB. Max. memory is 16.1GB. [2024-10-11 23:52:48,025 INFO L158 Benchmark]: Witness Printer took 111.36ms. Allocated memory is still 362.8MB. Free memory was 175.6MB in the beginning and 171.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 23:52:48,027 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.77ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 123.7MB in the end (delta: -27.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.85ms. Allocated memory is still 167.8MB. Free memory was 122.9MB in the beginning and 120.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.39ms. Allocated memory is still 167.8MB. Free memory was 120.8MB in the beginning and 116.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1179.47ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 95.3MB in the end (delta: 20.9MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4469.16ms. Allocated memory was 167.8MB in the beginning and 362.8MB in the end (delta: 195.0MB). Free memory was 95.3MB in the beginning and 175.6MB in the end (delta: -80.4MB). Peak memory consumption was 200.2MB. Max. memory is 16.1GB. * Witness Printer took 111.36ms. Allocated memory is still 362.8MB. Free memory was 175.6MB in the beginning and 171.4MB 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: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: 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 7 procedures, 68 locations, 15 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: 4.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 287 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 0 mSDtfsCounter, 287 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=2, InterpolantAutomatonStates: 16, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 23:52:48,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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