./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 21:32:23,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 21:32:23,394 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 21:32:23,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 21:32:23,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 21:32:23,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 21:32:23,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 21:32:23,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 21:32:23,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 21:32:23,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 21:32:23,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 21:32:23,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 21:32:23,436 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 21:32:23,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 21:32:23,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 21:32:23,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 21:32:23,438 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 21:32:23,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 21:32:23,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 21:32:23,439 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 21:32:23,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 21:32:23,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 21:32:23,440 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 21:32:23,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 21:32:23,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 21:32:23,441 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 21:32:23,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 21:32:23,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 21:32:23,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 21:32:23,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 21:32:23,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:32:23,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 21:32:23,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 21:32:23,444 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 21:32:23,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 21:32:23,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 21:32:23,444 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 21:32:23,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 21:32:23,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 21:32:23,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 21:32:23,446 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 21:32:23,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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/UGemCutter-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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter 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 -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 21:32:23,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 21:32:23,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 21:32:23,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 21:32:23,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 21:32:23,788 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 21:32:23,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-10-18 21:32:25,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 21:32:25,685 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 21:32:25,685 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-10-18 21:32:25,700 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/321e3d792/550950fb4b6747adab304cbc329f3e35/FLAG6a6c396f4 [2024-10-18 21:32:25,715 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/321e3d792/550950fb4b6747adab304cbc329f3e35 [2024-10-18 21:32:25,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 21:32:25,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 21:32:25,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 21:32:25,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 21:32:25,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 21:32:25,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:32:25" (1/1) ... [2024-10-18 21:32:25,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f50b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:25, skipping insertion in model container [2024-10-18 21:32:25,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:32:25" (1/1) ... [2024-10-18 21:32:25,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 21:32:25,974 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2024-10-18 21:32:26,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:32:26,179 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 21:32:26,194 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2024-10-18 21:32:26,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:32:26,266 INFO L204 MainTranslator]: Completed translation [2024-10-18 21:32:26,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26 WrapperNode [2024-10-18 21:32:26,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 21:32:26,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 21:32:26,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 21:32:26,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 21:32:26,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,339 INFO L138 Inliner]: procedures = 163, calls = 54, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 109 [2024-10-18 21:32:26,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 21:32:26,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 21:32:26,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 21:32:26,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 21:32:26,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 21:32:26,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 21:32:26,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 21:32:26,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 21:32:26,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (1/1) ... [2024-10-18 21:32:26,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:32:26,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:32:26,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 21:32:26,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 21:32:26,516 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-10-18 21:32:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-10-18 21:32:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-18 21:32:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 21:32:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-18 21:32:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-18 21:32:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 21:32:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-18 21:32:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 21:32:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 21:32:26,520 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 21:32:26,651 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 21:32:26,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 21:32:26,938 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 21:32:26,939 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 21:32:27,130 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 21:32:27,130 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 21:32:27,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:32:27 BoogieIcfgContainer [2024-10-18 21:32:27,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 21:32:27,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 21:32:27,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 21:32:27,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 21:32:27,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 09:32:25" (1/3) ... [2024-10-18 21:32:27,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc7aa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:32:27, skipping insertion in model container [2024-10-18 21:32:27,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:32:26" (2/3) ... [2024-10-18 21:32:27,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc7aa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:32:27, skipping insertion in model container [2024-10-18 21:32:27,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:32:27" (3/3) ... [2024-10-18 21:32:27,144 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-10-18 21:32:27,161 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 21:32:27,162 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-18 21:32:27,162 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 21:32:27,227 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-18 21:32:27,285 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 21:32:27,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 21:32:27,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:32:27,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 21:32:27,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 21:32:27,391 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 21:32:27,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:32:27,420 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 21:32:27,430 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=PARTIAL_ORDER_FA, 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;@345b1453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 21:32:27,430 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-18 21:32:29,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-18 21:32:29,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:32:29,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1089404991, now seen corresponding path program 1 times [2024-10-18 21:32:29,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:32:29,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894909755] [2024-10-18 21:32:29,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:29,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:32:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:32:29,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:32:29,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894909755] [2024-10-18 21:32:29,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894909755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:32:29,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:32:29,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 21:32:29,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72519094] [2024-10-18 21:32:29,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:32:29,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 21:32:29,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:32:29,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 21:32:29,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 21:32:29,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:32:29,803 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:32:29,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-10-18 21:32:29,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:32:29,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:32:29,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 21:32:29,977 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-18 21:32:29,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:32:29,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2128852004, now seen corresponding path program 1 times [2024-10-18 21:32:29,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:32:29,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685394608] [2024-10-18 21:32:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:29,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:32:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:32:30,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:32:30,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685394608] [2024-10-18 21:32:30,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685394608] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:32:30,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:32:30,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 21:32:30,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413504124] [2024-10-18 21:32:30,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:32:30,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 21:32:30,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:32:30,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 21:32:30,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 21:32:30,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:32:30,272 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:32:30,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-10-18 21:32:30,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:32:30,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:32:30,621 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:32:30,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 21:32:30,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2012568858, now seen corresponding path program 1 times [2024-10-18 21:32:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:30,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:30,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:32:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:30,960 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:32:30,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 21:32:31,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1343284212, now seen corresponding path program 1 times [2024-10-18 21:32:31,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:31,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:32:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:31,376 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:32:31,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 21:32:31,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1480752735, now seen corresponding path program 1 times [2024-10-18 21:32:31,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:31,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:32:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:32:31,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:31,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:32:32,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:32:32,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:32:32,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:32:32,407 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:32:32,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-10-18 21:32:32,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1651253398, now seen corresponding path program 1 times [2024-10-18 21:32:32,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:32,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:32,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:32:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:33,200 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:32:33,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-10-18 21:32:33,259 INFO L85 PathProgramCache]: Analyzing trace with hash 512920449, now seen corresponding path program 1 times [2024-10-18 21:32:33,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:33,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:33,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:32:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:35,174 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:32:35,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-10-18 21:32:35,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1043330239, now seen corresponding path program 1 times [2024-10-18 21:32:35,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:35,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:35,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:32:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:35,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 494 [2024-10-18 21:32:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash 814174724, now seen corresponding path program 1 times [2024-10-18 21:32:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:35,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:35,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:32:35,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:35,996 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:32:35,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 21:32:36,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1697308204, now seen corresponding path program 1 times [2024-10-18 21:32:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:36,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:36,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:32:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:36,302 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:32:36,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-10-18 21:32:36,346 INFO L85 PathProgramCache]: Analyzing trace with hash -425625289, now seen corresponding path program 1 times [2024-10-18 21:32:36,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:36,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:36,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:32:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:32:36,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 262 treesize of output 238 [2024-10-18 21:32:36,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1462265000, now seen corresponding path program 1 times [2024-10-18 21:32:36,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:36,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:32:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:32:36,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:32:36,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:32:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:32:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:32:37,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:32:37,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-18 21:32:42,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:32:42,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:32:42,027 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-10-18 21:32:42,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-10-18 21:32:42,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-10-18 21:32:42,028 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-10-18 21:32:42,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-10-18 21:32:42,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-10-18 21:32:42,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13 [2024-10-18 21:32:42,044 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 21:32:42,051 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 21:32:42,052 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 21:32:42,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 09:32:42 BasicIcfg [2024-10-18 21:32:42,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 21:32:42,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 21:32:42,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 21:32:42,066 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 21:32:42,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:32:27" (3/4) ... [2024-10-18 21:32:42,068 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 21:32:42,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-10-18 21:32:42,075 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-18 21:32:42,079 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-10-18 21:32:42,079 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-18 21:32:42,079 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 21:32:42,079 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 21:32:42,170 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 21:32:42,170 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 21:32:42,171 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 21:32:42,171 INFO L158 Benchmark]: Toolchain (without parser) took 16452.62ms. Allocated memory was 182.5MB in the beginning and 356.5MB in the end (delta: 174.1MB). Free memory was 125.6MB in the beginning and 295.9MB in the end (delta: -170.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-10-18 21:32:42,172 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:32:42,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.50ms. Allocated memory is still 182.5MB. Free memory was 125.4MB in the beginning and 103.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-18 21:32:42,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.36ms. Allocated memory is still 182.5MB. Free memory was 103.2MB in the beginning and 151.6MB in the end (delta: -48.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-18 21:32:42,174 INFO L158 Benchmark]: Boogie Preprocessor took 76.23ms. Allocated memory is still 182.5MB. Free memory was 151.6MB in the beginning and 150.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:32:42,174 INFO L158 Benchmark]: RCFGBuilder took 713.44ms. Allocated memory is still 182.5MB. Free memory was 150.0MB in the beginning and 107.0MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-18 21:32:42,175 INFO L158 Benchmark]: TraceAbstraction took 14927.81ms. Allocated memory was 182.5MB in the beginning and 356.5MB in the end (delta: 174.1MB). Free memory was 105.9MB in the beginning and 301.1MB in the end (delta: -195.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:32:42,175 INFO L158 Benchmark]: Witness Printer took 105.60ms. Allocated memory is still 356.5MB. Free memory was 301.1MB in the beginning and 295.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 21:32:42,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.50ms. Allocated memory is still 182.5MB. Free memory was 125.4MB in the beginning and 103.2MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.36ms. Allocated memory is still 182.5MB. Free memory was 103.2MB in the beginning and 151.6MB in the end (delta: -48.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.23ms. Allocated memory is still 182.5MB. Free memory was 151.6MB in the beginning and 150.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 713.44ms. Allocated memory is still 182.5MB. Free memory was 150.0MB in the beginning and 107.0MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14927.81ms. Allocated memory was 182.5MB in the beginning and 356.5MB in the end (delta: 174.1MB). Free memory was 105.9MB in the beginning and 301.1MB in the end (delta: -195.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 105.60ms. Allocated memory is still 356.5MB. Free memory was 301.1MB in the beginning and 295.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8865, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 381, dependent conditional: 268, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8721, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 237, dependent conditional: 124, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8721, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 237, dependent conditional: 124, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8721, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 237, dependent conditional: 124, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 823, dependent conditional: 597, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 2237, independent unconditional: 6247, dependent: 823, dependent conditional: 238, dependent unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 2237, independent unconditional: 6247, dependent: 823, dependent conditional: 238, dependent unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2498, independent: 2283, independent conditional: 260, independent unconditional: 2023, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2498, independent: 2085, independent conditional: 0, independent unconditional: 2085, dependent: 413, dependent conditional: 0, dependent unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 413, independent: 198, independent conditional: 94, independent unconditional: 104, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 413, independent: 198, independent conditional: 94, independent unconditional: 104, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7769, independent: 3587, independent conditional: 1742, independent unconditional: 1845, dependent: 4183, dependent conditional: 1732, dependent unconditional: 2450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9307, independent: 6201, independent conditional: 1977, independent unconditional: 4224, dependent: 608, dependent conditional: 136, dependent unconditional: 472, unknown: 2498, unknown conditional: 362, unknown unconditional: 2136] , Statistics on independence cache: Total cache size (in pairs): 2498, Positive cache size: 2283, Positive conditional cache size: 260, Positive unconditional cache size: 2023, Negative cache size: 215, Negative conditional cache size: 102, Negative unconditional cache size: 113, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4557, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 823, dependent conditional: 597, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 2237, independent unconditional: 6247, dependent: 823, dependent conditional: 238, dependent unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 2237, independent unconditional: 6247, dependent: 823, dependent conditional: 238, dependent unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2498, independent: 2283, independent conditional: 260, independent unconditional: 2023, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2498, independent: 2085, independent conditional: 0, independent unconditional: 2085, dependent: 413, dependent conditional: 0, dependent unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 413, independent: 198, independent conditional: 94, independent unconditional: 104, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 413, independent: 198, independent conditional: 94, independent unconditional: 104, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7769, independent: 3587, independent conditional: 1742, independent unconditional: 1845, dependent: 4183, dependent conditional: 1732, dependent unconditional: 2450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9307, independent: 6201, independent conditional: 1977, independent unconditional: 4224, dependent: 608, dependent conditional: 136, dependent unconditional: 472, unknown: 2498, unknown conditional: 362, unknown unconditional: 2136] , Statistics on independence cache: Total cache size (in pairs): 2498, Positive cache size: 2283, Positive conditional cache size: 260, Positive unconditional cache size: 2023, Negative cache size: 215, Negative conditional cache size: 102, Negative unconditional cache size: 113, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4557 ], Independence queries for same thread: 144, Persistent sets #1 benchmarks: Persistent set computation time: 4.5s, Number of persistent set computation: 1322, Number of trivial persistent sets: 1322, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2136, independent: 2023, independent conditional: 0, independent unconditional: 2023, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8865, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 381, dependent conditional: 268, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8721, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 237, dependent conditional: 124, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8721, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 237, dependent conditional: 124, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8721, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 237, dependent conditional: 124, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 823, dependent conditional: 597, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 2237, independent unconditional: 6247, dependent: 823, dependent conditional: 238, dependent unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 2237, independent unconditional: 6247, dependent: 823, dependent conditional: 238, dependent unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2498, independent: 2283, independent conditional: 260, independent unconditional: 2023, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2498, independent: 2085, independent conditional: 0, independent unconditional: 2085, dependent: 413, dependent conditional: 0, dependent unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 413, independent: 198, independent conditional: 94, independent unconditional: 104, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 413, independent: 198, independent conditional: 94, independent unconditional: 104, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7769, independent: 3587, independent conditional: 1742, independent unconditional: 1845, dependent: 4183, dependent conditional: 1732, dependent unconditional: 2450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9307, independent: 6201, independent conditional: 1977, independent unconditional: 4224, dependent: 608, dependent conditional: 136, dependent unconditional: 472, unknown: 2498, unknown conditional: 362, unknown unconditional: 2136] , Statistics on independence cache: Total cache size (in pairs): 2498, Positive cache size: 2283, Positive conditional cache size: 260, Positive unconditional cache size: 2023, Negative cache size: 215, Negative conditional cache size: 102, Negative unconditional cache size: 113, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4557, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 6435, independent unconditional: 2049, dependent: 823, dependent conditional: 597, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 2237, independent unconditional: 6247, dependent: 823, dependent conditional: 238, dependent unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9307, independent: 8484, independent conditional: 2237, independent unconditional: 6247, dependent: 823, dependent conditional: 238, dependent unconditional: 585, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2498, independent: 2283, independent conditional: 260, independent unconditional: 2023, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2498, independent: 2085, independent conditional: 0, independent unconditional: 2085, dependent: 413, dependent conditional: 0, dependent unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 413, independent: 198, independent conditional: 94, independent unconditional: 104, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 413, independent: 198, independent conditional: 94, independent unconditional: 104, dependent: 215, dependent conditional: 102, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7769, independent: 3587, independent conditional: 1742, independent unconditional: 1845, dependent: 4183, dependent conditional: 1732, dependent unconditional: 2450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9307, independent: 6201, independent conditional: 1977, independent unconditional: 4224, dependent: 608, dependent conditional: 136, dependent unconditional: 472, unknown: 2498, unknown conditional: 362, unknown unconditional: 2136] , Statistics on independence cache: Total cache size (in pairs): 2498, Positive cache size: 2283, Positive conditional cache size: 260, Positive unconditional cache size: 2023, Negative cache size: 215, Negative conditional cache size: 102, Negative unconditional cache size: 113, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4557 ], Independence queries for same thread: 144 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 13.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 6.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 2, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 54, ConditionalCommutativityTraceChecks: 10, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 21:32:42,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 21:32:42,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE