./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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/pthread-wmm/safe030_tso.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 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -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 15:50:38,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 15:50:38,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 15:50:38,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 15:50:38,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 15:50:38,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 15:50:38,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 15:50:38,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 15:50:38,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 15:50:38,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 15:50:38,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 15:50:38,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 15:50:38,480 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 15:50:38,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 15:50:38,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 15:50:38,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 15:50:38,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 15:50:38,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 15:50:38,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 15:50:38,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 15:50:38,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 15:50:38,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 15:50:38,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 15:50:38,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 15:50:38,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 15:50:38,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 15:50:38,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 15:50:38,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 15:50:38,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 15:50:38,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 15:50:38,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 15:50:38,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 15:50:38,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 15:50:38,489 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 15:50:38,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 15:50:38,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 15:50:38,491 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 15:50:38,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 15:50:38,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 15:50:38,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 15:50:38,492 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 15:50:38,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-10-18 15:50:38,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 15:50:38,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 15:50:38,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 15:50:38,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 15:50:38,782 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 15:50:38,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.i [2024-10-18 15:50:40,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 15:50:40,488 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 15:50:40,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.i [2024-10-18 15:50:40,510 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/97037f166/a57d05cb62c149cc9cf4a83ed822f80e/FLAG7b6c5b21a [2024-10-18 15:50:40,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/97037f166/a57d05cb62c149cc9cf4a83ed822f80e [2024-10-18 15:50:40,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 15:50:40,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 15:50:40,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 15:50:40,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 15:50:40,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 15:50:40,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:50:40" (1/1) ... [2024-10-18 15:50:40,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2076c6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:40, skipping insertion in model container [2024-10-18 15:50:40,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 03:50:40" (1/1) ... [2024-10-18 15:50:40,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 15:50:41,001 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.i[945,958] [2024-10-18 15:50:41,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 15:50:41,184 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 15:50:41,198 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.i[945,958] [2024-10-18 15:50:41,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 15:50:41,288 INFO L204 MainTranslator]: Completed translation [2024-10-18 15:50:41,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41 WrapperNode [2024-10-18 15:50:41,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 15:50:41,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 15:50:41,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 15:50:41,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 15:50:41,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,338 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-10-18 15:50:41,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 15:50:41,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 15:50:41,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 15:50:41,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 15:50:41,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,367 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 15:50:41,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 15:50:41,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 15:50:41,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 15:50:41,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (1/1) ... [2024-10-18 15:50:41,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 15:50:41,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 15:50:41,417 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 15:50:41,420 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 15:50:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 15:50:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 15:50:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 15:50:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 15:50:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 15:50:41,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 15:50:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 15:50:41,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 15:50:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 15:50:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 15:50:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 15:50:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 15:50:41,475 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 15:50:41,608 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 15:50:41,610 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 15:50:41,815 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 15:50:41,815 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 15:50:41,903 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 15:50:41,903 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 15:50:41,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:50:41 BoogieIcfgContainer [2024-10-18 15:50:41,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 15:50:41,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 15:50:41,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 15:50:41,912 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 15:50:41,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 03:50:40" (1/3) ... [2024-10-18 15:50:41,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35316ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:50:41, skipping insertion in model container [2024-10-18 15:50:41,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 03:50:41" (2/3) ... [2024-10-18 15:50:41,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35316ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 03:50:41, skipping insertion in model container [2024-10-18 15:50:41,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:50:41" (3/3) ... [2024-10-18 15:50:41,915 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_tso.i [2024-10-18 15:50:41,928 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 15:50:41,928 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 15:50:41,928 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 15:50:41,963 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 15:50:42,000 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 15:50:42,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 15:50:42,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 15:50:42,003 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 15:50:42,004 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 15:50:42,089 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 15:50:42,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:50:42,113 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 15:50:42,119 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;@45ccf221, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 15:50:42,119 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 15:50:42,943 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 15:50:42,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:50:42,945 INFO L85 PathProgramCache]: Analyzing trace with hash -255011848, now seen corresponding path program 1 times [2024-10-18 15:50:42,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:50:42,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156611778] [2024-10-18 15:50:42,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:50:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:50:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:50:43,537 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 15:50:43,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:50:43,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156611778] [2024-10-18 15:50:43,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156611778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:50:43,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:50:43,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 15:50:43,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011135286] [2024-10-18 15:50:43,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:50:43,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 15:50:43,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:50:43,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 15:50:43,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 15:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:50:43,591 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:50:43,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 15:50:43,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:50:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:50:43,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 15:50:43,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 15:50:43,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 15:50:43,874 INFO L85 PathProgramCache]: Analyzing trace with hash 10187193, now seen corresponding path program 1 times [2024-10-18 15:50:43,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 15:50:43,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038471082] [2024-10-18 15:50:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 15:50:43,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 15:50:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 15:50:44,049 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 15:50:44,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 15:50:44,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038471082] [2024-10-18 15:50:44,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038471082] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 15:50:44,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 15:50:44,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 15:50:44,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890528991] [2024-10-18 15:50:44,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 15:50:44,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 15:50:44,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 15:50:44,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 15:50:44,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 15:50:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:50:44,129 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 15:50:44,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 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 15:50:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:50:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 15:50:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 15:50:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 15:50:44,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 15:50:44,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 15:50:44,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 15:50:44,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 15:50:44,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 15:50:44,910 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-18 15:50:44,913 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 15:50:44,913 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 15:50:44,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 03:50:44 BasicIcfg [2024-10-18 15:50:44,916 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 15:50:44,916 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 15:50:44,916 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 15:50:44,916 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 15:50:44,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 03:50:41" (3/4) ... [2024-10-18 15:50:44,919 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 15:50:44,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 15:50:44,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 15:50:44,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 15:50:44,925 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-10-18 15:50:44,926 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-18 15:50:44,926 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 15:50:44,926 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-18 15:50:45,032 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 15:50:45,035 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 15:50:45,035 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 15:50:45,035 INFO L158 Benchmark]: Toolchain (without parser) took 4255.84ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 102.1MB in the beginning and 203.9MB in the end (delta: -101.8MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. [2024-10-18 15:50:45,036 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 15:50:45,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.47ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 79.8MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-18 15:50:45,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 159.4MB. Free memory was 79.8MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 15:50:45,036 INFO L158 Benchmark]: Boogie Preprocessor took 33.88ms. Allocated memory is still 159.4MB. Free memory was 77.8MB in the beginning and 76.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 15:50:45,036 INFO L158 Benchmark]: RCFGBuilder took 529.43ms. Allocated memory is still 159.4MB. Free memory was 76.2MB in the beginning and 119.4MB in the end (delta: -43.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-10-18 15:50:45,037 INFO L158 Benchmark]: TraceAbstraction took 3007.38ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 117.8MB in the beginning and 74.9MB in the end (delta: 42.8MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. [2024-10-18 15:50:45,037 INFO L158 Benchmark]: Witness Printer took 118.81ms. Allocated memory is still 239.1MB. Free memory was 74.9MB in the beginning and 203.9MB in the end (delta: -129.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-18 15:50:45,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.47ms. Allocated memory is still 159.4MB. Free memory was 101.7MB in the beginning and 79.8MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 159.4MB. Free memory was 79.8MB in the beginning and 77.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.88ms. Allocated memory is still 159.4MB. Free memory was 77.8MB in the beginning and 76.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 529.43ms. Allocated memory is still 159.4MB. Free memory was 76.2MB in the beginning and 119.4MB in the end (delta: -43.2MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3007.38ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 117.8MB in the beginning and 74.9MB in the end (delta: 42.8MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. * Witness Printer took 118.81ms. Allocated memory is still 239.1MB. Free memory was 74.9MB in the beginning and 203.9MB in the end (delta: -129.0MB). Peak memory consumption was 6.3MB. 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: 3671, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 100, dependent conditional: 78, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3671, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 100, dependent conditional: 78, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3671, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 100, dependent conditional: 78, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3671, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 100, dependent conditional: 78, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 395, dependent conditional: 351, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 106, independent unconditional: 3465, dependent: 395, dependent conditional: 5, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 106, independent unconditional: 3465, dependent: 395, dependent conditional: 5, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 661, independent: 637, independent conditional: 12, independent unconditional: 625, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 661, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, independent: 527, independent conditional: 327, independent unconditional: 200, dependent: 805, dependent conditional: 75, dependent unconditional: 730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3966, independent: 2934, independent conditional: 94, independent unconditional: 2840, dependent: 371, dependent conditional: 3, dependent unconditional: 368, unknown: 661, unknown conditional: 14, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 661, Positive cache size: 637, Positive conditional cache size: 12, Positive unconditional cache size: 625, Negative cache size: 24, Negative conditional cache size: 2, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3155, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 395, dependent conditional: 351, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 106, independent unconditional: 3465, dependent: 395, dependent conditional: 5, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 106, independent unconditional: 3465, dependent: 395, dependent conditional: 5, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 661, independent: 637, independent conditional: 12, independent unconditional: 625, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 661, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, independent: 527, independent conditional: 327, independent unconditional: 200, dependent: 805, dependent conditional: 75, dependent unconditional: 730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3966, independent: 2934, independent conditional: 94, independent unconditional: 2840, dependent: 371, dependent conditional: 3, dependent unconditional: 368, unknown: 661, unknown conditional: 14, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 661, Positive cache size: 637, Positive conditional cache size: 12, Positive unconditional cache size: 625, Negative cache size: 24, Negative conditional cache size: 2, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3155 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, Number of persistent set computation: 640, Number of trivial persistent sets: 322, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 647, independent: 625, independent conditional: 0, independent unconditional: 625, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3671, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 100, dependent conditional: 78, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3671, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 100, dependent conditional: 78, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3671, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 100, dependent conditional: 78, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3671, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 100, dependent conditional: 78, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 395, dependent conditional: 351, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 106, independent unconditional: 3465, dependent: 395, dependent conditional: 5, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 106, independent unconditional: 3465, dependent: 395, dependent conditional: 5, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 661, independent: 637, independent conditional: 12, independent unconditional: 625, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 661, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, independent: 527, independent conditional: 327, independent unconditional: 200, dependent: 805, dependent conditional: 75, dependent unconditional: 730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3966, independent: 2934, independent conditional: 94, independent unconditional: 2840, dependent: 371, dependent conditional: 3, dependent unconditional: 368, unknown: 661, unknown conditional: 14, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 661, Positive cache size: 637, Positive conditional cache size: 12, Positive unconditional cache size: 625, Negative cache size: 24, Negative conditional cache size: 2, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3155, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 2915, independent unconditional: 656, dependent: 395, dependent conditional: 351, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 106, independent unconditional: 3465, dependent: 395, dependent conditional: 5, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3966, independent: 3571, independent conditional: 106, independent unconditional: 3465, dependent: 395, dependent conditional: 5, dependent unconditional: 390, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 661, independent: 637, independent conditional: 12, independent unconditional: 625, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 661, independent: 617, independent conditional: 0, independent unconditional: 617, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 44, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 20, independent conditional: 12, independent unconditional: 8, dependent: 24, dependent conditional: 2, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1332, independent: 527, independent conditional: 327, independent unconditional: 200, dependent: 805, dependent conditional: 75, dependent unconditional: 730, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3966, independent: 2934, independent conditional: 94, independent unconditional: 2840, dependent: 371, dependent conditional: 3, dependent unconditional: 368, unknown: 661, unknown conditional: 14, unknown unconditional: 647] , Statistics on independence cache: Total cache size (in pairs): 661, Positive cache size: 637, Positive conditional cache size: 12, Positive unconditional cache size: 625, Negative cache size: 24, Negative conditional cache size: 2, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3155 ], Independence queries for same thread: 0 - PositiveResult [Line: 18]: 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 7 procedures, 62 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, 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, 0.6s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 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: 0.1s, ConditionalCommutativityCheckTime: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 15:50:45,070 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 15:50:45,266 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