./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.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/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.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 9071d56f4666aca734ab742196d3aa15fce92ad6b7c276706d2cff43d2d6147a --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 21:10:53,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 21:10:53,550 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 21:10:53,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 21:10:53,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 21:10:53,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 21:10:53,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 21:10:53,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 21:10:53,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 21:10:53,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 21:10:53,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 21:10:53,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 21:10:53,585 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 21:10:53,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 21:10:53,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 21:10:53,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 21:10:53,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 21:10:53,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 21:10:53,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 21:10:53,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 21:10:53,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 21:10:53,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 21:10:53,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 21:10:53,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 21:10:53,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 21:10:53,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 21:10:53,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 21:10:53,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 21:10:53,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 21:10:53,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 21:10:53,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:10:53,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 21:10:53,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 21:10:53,592 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 21:10:53,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 21:10:53,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 21:10:53,592 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 21:10:53,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 21:10:53,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 21:10:53,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 21:10:53,593 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 21:10:53,595 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 -> 9071d56f4666aca734ab742196d3aa15fce92ad6b7c276706d2cff43d2d6147a 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 21:10:53,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 21:10:53,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 21:10:53,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 21:10:53,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 21:10:53,880 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 21:10:53,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 21:10:55,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 21:10:55,413 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 21:10:55,413 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 21:10:55,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/21a6fbe10/e57e9402e6784773ba853f79960e7aec/FLAGa67dd3499 [2024-10-18 21:10:55,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/21a6fbe10/e57e9402e6784773ba853f79960e7aec [2024-10-18 21:10:55,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 21:10:55,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 21:10:55,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 21:10:55,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 21:10:55,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 21:10:55,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2327ffb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55, skipping insertion in model container [2024-10-18 21:10:55,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 21:10:55,668 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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-18 21:10:55,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:10:55,806 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 21:10:55,816 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/safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-18 21:10:55,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:10:55,875 INFO L204 MainTranslator]: Completed translation [2024-10-18 21:10:55,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55 WrapperNode [2024-10-18 21:10:55,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 21:10:55,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 21:10:55,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 21:10:55,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 21:10:55,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,925 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-18 21:10:55,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 21:10:55,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 21:10:55,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 21:10:55,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 21:10:55,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 21:10:55,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 21:10:55,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 21:10:55,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 21:10:55,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (1/1) ... [2024-10-18 21:10:55,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:10:55,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:10:55,977 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 21:10:55,979 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 21:10:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 21:10:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 21:10:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-18 21:10:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-18 21:10:56,014 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-18 21:10:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-18 21:10:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-18 21:10:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-18 21:10:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 21:10:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 21:10:56,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 21:10:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 21:10:56,016 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 21:10:56,119 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 21:10:56,121 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 21:10:56,248 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 21:10:56,249 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 21:10:56,313 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 21:10:56,314 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 21:10:56,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:10:56 BoogieIcfgContainer [2024-10-18 21:10:56,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 21:10:56,316 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 21:10:56,316 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 21:10:56,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 21:10:56,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 09:10:55" (1/3) ... [2024-10-18 21:10:56,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2004b562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:10:56, skipping insertion in model container [2024-10-18 21:10:56,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:10:55" (2/3) ... [2024-10-18 21:10:56,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2004b562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:10:56, skipping insertion in model container [2024-10-18 21:10:56,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:10:56" (3/3) ... [2024-10-18 21:10:56,320 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-18 21:10:56,333 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 21:10:56,333 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 21:10:56,333 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 21:10:56,369 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-18 21:10:56,402 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 21:10:56,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 21:10:56,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:10:56,405 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 21:10:56,406 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 21:10:56,470 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 21:10:56,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:10:56,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 21:10:56,490 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;@660beecf, 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 21:10:56,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 21:10:57,194 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 21:10:57,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:10:57,196 INFO L85 PathProgramCache]: Analyzing trace with hash 110190927, now seen corresponding path program 1 times [2024-10-18 21:10:57,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:10:57,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128259938] [2024-10-18 21:10:57,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:57,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:10:57,594 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 21:10:57,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:10:57,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128259938] [2024-10-18 21:10:57,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128259938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:10:57,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:10:57,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 21:10:57,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867690059] [2024-10-18 21:10:57,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:10:57,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:10:57,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:10:57,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:10:57,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:10:57,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:10:57,621 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:10:57,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) 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 21:10:57,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:10:57,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1633907347, now seen corresponding path program 1 times [2024-10-18 21:10:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:57,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:57,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:57,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:10:57,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-18 21:10:57,969 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 21:10:57,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:10:57,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2044322924, now seen corresponding path program 1 times [2024-10-18 21:10:57,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:10:57,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875094743] [2024-10-18 21:10:57,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:57,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:10:58,188 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 21:10:58,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:10:58,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875094743] [2024-10-18 21:10:58,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875094743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:10:58,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:10:58,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:10:58,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133689415] [2024-10-18 21:10:58,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:10:58,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:10:58,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:10:58,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:10:58,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:10:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:10:58,192 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:10:58,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 21:10:58,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:10:58,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:10:58,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1633907354, now seen corresponding path program 1 times [2024-10-18 21:10:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:58,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1924799401, now seen corresponding path program 1 times [2024-10-18 21:10:58,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:58,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1450077682, now seen corresponding path program 1 times [2024-10-18 21:10:58,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:58,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1709345333, now seen corresponding path program 1 times [2024-10-18 21:10:58,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:58,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,700 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1053238047, now seen corresponding path program 1 times [2024-10-18 21:10:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:58,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,803 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,946 INFO L85 PathProgramCache]: Analyzing trace with hash 673885673, now seen corresponding path program 1 times [2024-10-18 21:10:58,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:58,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:58,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1846946972, now seen corresponding path program 1 times [2024-10-18 21:10:59,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:59,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1555231199, now seen corresponding path program 1 times [2024-10-18 21:10:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,158 INFO L85 PathProgramCache]: Analyzing trace with hash 88379256, now seen corresponding path program 1 times [2024-10-18 21:10:59,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:59,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,933 INFO L85 PathProgramCache]: Analyzing trace with hash -894691410, now seen corresponding path program 1 times [2024-10-18 21:10:59,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:59,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,966 INFO L85 PathProgramCache]: Analyzing trace with hash 641310297, now seen corresponding path program 1 times [2024-10-18 21:10:59,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:10:59,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:10:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:10:59,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:10:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:00,005 INFO L85 PathProgramCache]: Analyzing trace with hash 436866846, now seen corresponding path program 1 times [2024-10-18 21:11:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:00,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:00,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:00,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:00,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-18 21:11:00,092 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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 21:11:00,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:11:00,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1378428632, now seen corresponding path program 2 times [2024-10-18 21:11:00,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:11:00,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316154666] [2024-10-18 21:11:00,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:00,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:11:00,237 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 21:11:00,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:11:00,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316154666] [2024-10-18 21:11:00,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316154666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:11:00,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:11:00,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-18 21:11:00,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575035288] [2024-10-18 21:11:00,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:11:00,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 21:11:00,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:11:00,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 21:11:00,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 21:11:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:11:00,242 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:11:00,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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 21:11:00,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:00,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:00,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:11:01,340 INFO L85 PathProgramCache]: Analyzing trace with hash -894691309, now seen corresponding path program 1 times [2024-10-18 21:11:01,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:01,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:01,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:01,393 INFO L85 PathProgramCache]: Analyzing trace with hash 641310400, now seen corresponding path program 1 times [2024-10-18 21:11:01,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:01,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:01,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:01,436 INFO L85 PathProgramCache]: Analyzing trace with hash 436866951, now seen corresponding path program 1 times [2024-10-18 21:11:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:01,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:01,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:01,582 INFO L85 PathProgramCache]: Analyzing trace with hash 568610811, now seen corresponding path program 1 times [2024-10-18 21:11:01,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:01,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:01,587 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2001545220, now seen corresponding path program 1 times [2024-10-18 21:11:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,205 INFO L85 PathProgramCache]: Analyzing trace with hash 219767861, now seen corresponding path program 1 times [2024-10-18 21:11:02,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:02,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash -675457443, now seen corresponding path program 1 times [2024-10-18 21:11:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:02,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1692424434, now seen corresponding path program 1 times [2024-10-18 21:11:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:02,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,654 INFO L85 PathProgramCache]: Analyzing trace with hash 585611835, now seen corresponding path program 1 times [2024-10-18 21:11:02,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,684 INFO L85 PathProgramCache]: Analyzing trace with hash -396213612, now seen corresponding path program 1 times [2024-10-18 21:11:02,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:02,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,690 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:11:02,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-10-18 21:11:02,735 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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 21:11:02,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:11:02,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1761553406, now seen corresponding path program 3 times [2024-10-18 21:11:02,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:11:02,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509558899] [2024-10-18 21:11:02,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:02,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:11:02,826 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 21:11:02,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:11:02,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509558899] [2024-10-18 21:11:02,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509558899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:11:02,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:11:02,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:11:02,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092997889] [2024-10-18 21:11:02,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:11:02,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-18 21:11:02,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:11:02,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-18 21:11:02,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-18 21:11:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:11:02,828 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:11:02,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 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 21:11:02,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:02,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:02,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:11:02,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:11:04,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1692424183, now seen corresponding path program 1 times [2024-10-18 21:11:04,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:04,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:04,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:05,608 INFO L85 PathProgramCache]: Analyzing trace with hash 585612246, now seen corresponding path program 1 times [2024-10-18 21:11:05,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:05,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:05,638 INFO L85 PathProgramCache]: Analyzing trace with hash -396213199, now seen corresponding path program 1 times [2024-10-18 21:11:05,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:05,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:05,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:05,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1813566829, now seen corresponding path program 1 times [2024-10-18 21:11:05,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:05,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:05,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:06,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1605771300, now seen corresponding path program 1 times [2024-10-18 21:11:06,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:06,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:06,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:06,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1869569517, now seen corresponding path program 1 times [2024-10-18 21:11:06,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:06,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:06,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:06,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:11:06,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 21:11:06,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 21:11:06,489 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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 21:11:06,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:11:06,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1547534396, now seen corresponding path program 4 times [2024-10-18 21:11:06,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:11:06,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172040277] [2024-10-18 21:11:06,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:06,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:11:06,655 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 21:11:06,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:11:06,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172040277] [2024-10-18 21:11:06,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172040277] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:11:06,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:11:06,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-18 21:11:06,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493800785] [2024-10-18 21:11:06,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:11:06,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 21:11:06,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:11:06,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:11:06,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-18 21:11:06,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:11:06,657 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:11:06,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 21:11:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:06,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:11:06,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 21:11:06,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:11:08,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1692423585, now seen corresponding path program 1 times [2024-10-18 21:11:08,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:11:08,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:11:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:08,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:11:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:11:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 21:11:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:11:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 21:11:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-18 21:11:11,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-18 21:11:11,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-18 21:11:11,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-18 21:11:11,108 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-18 21:11:11,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2024-10-18 21:11:11,118 INFO L414 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 21:11:11,124 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 21:11:11,124 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 21:11:11,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 09:11:11 BasicIcfg [2024-10-18 21:11:11,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 21:11:11,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 21:11:11,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 21:11:11,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 21:11:11,131 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:10:56" (3/4) ... [2024-10-18 21:11:11,132 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 21:11:11,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-18 21:11:11,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-18 21:11:11,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-18 21:11:11,137 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-18 21:11:11,138 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-18 21:11:11,138 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-18 21:11:11,138 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 21:11:11,203 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 21:11:11,203 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 21:11:11,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 21:11:11,204 INFO L158 Benchmark]: Toolchain (without parser) took 15761.17ms. Allocated memory was 146.8MB in the beginning and 448.8MB in the end (delta: 302.0MB). Free memory was 76.5MB in the beginning and 306.4MB in the end (delta: -230.0MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-10-18 21:11:11,204 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:11:11,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.80ms. Allocated memory is still 146.8MB. Free memory was 76.3MB in the beginning and 107.4MB in the end (delta: -31.1MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-10-18 21:11:11,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.07ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:11:11,205 INFO L158 Benchmark]: Boogie Preprocessor took 19.67ms. Allocated memory is still 146.8MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:11:11,205 INFO L158 Benchmark]: RCFGBuilder took 368.06ms. Allocated memory is still 146.8MB. Free memory was 103.7MB in the beginning and 84.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-18 21:11:11,205 INFO L158 Benchmark]: TraceAbstraction took 14811.13ms. Allocated memory was 146.8MB in the beginning and 448.8MB in the end (delta: 302.0MB). Free memory was 83.5MB in the beginning and 311.7MB in the end (delta: -228.2MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2024-10-18 21:11:11,205 INFO L158 Benchmark]: Witness Printer took 73.40ms. Allocated memory is still 448.8MB. Free memory was 311.7MB in the beginning and 306.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 21:11:11,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.80ms. Allocated memory is still 146.8MB. Free memory was 76.3MB in the beginning and 107.4MB in the end (delta: -31.1MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.07ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.67ms. Allocated memory is still 146.8MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.06ms. Allocated memory is still 146.8MB. Free memory was 103.7MB in the beginning and 84.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14811.13ms. Allocated memory was 146.8MB in the beginning and 448.8MB in the end (delta: 302.0MB). Free memory was 83.5MB in the beginning and 311.7MB in the end (delta: -228.2MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Witness Printer took 73.40ms. Allocated memory is still 448.8MB. Free memory was 311.7MB in the beginning and 306.4MB 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: 29796, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 754, dependent conditional: 730, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29796, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 754, dependent conditional: 730, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29796, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 754, dependent conditional: 730, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29796, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 754, dependent conditional: 730, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 4391, dependent conditional: 4343, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 7376, independent unconditional: 21666, dependent: 4391, dependent conditional: 875, dependent unconditional: 3516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 7376, independent unconditional: 21666, dependent: 4391, dependent conditional: 875, dependent unconditional: 3516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1561, independent: 1256, independent conditional: 576, independent unconditional: 680, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1561, independent: 703, independent conditional: 0, independent unconditional: 703, dependent: 858, dependent conditional: 0, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 858, independent: 553, independent conditional: 545, independent unconditional: 8, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 858, independent: 553, independent conditional: 545, independent unconditional: 8, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11061, independent: 8299, independent conditional: 8171, independent unconditional: 128, dependent: 2762, dependent conditional: 2082, dependent unconditional: 680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33433, independent: 27786, independent conditional: 6800, independent unconditional: 20986, dependent: 4086, dependent conditional: 594, dependent unconditional: 3492, unknown: 1561, unknown conditional: 857, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 1561, Positive cache size: 1256, Positive conditional cache size: 576, Positive unconditional cache size: 680, Negative cache size: 305, Negative conditional cache size: 281, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24400, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 4391, dependent conditional: 4343, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 7376, independent unconditional: 21666, dependent: 4391, dependent conditional: 875, dependent unconditional: 3516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 7376, independent unconditional: 21666, dependent: 4391, dependent conditional: 875, dependent unconditional: 3516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1561, independent: 1256, independent conditional: 576, independent unconditional: 680, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1561, independent: 703, independent conditional: 0, independent unconditional: 703, dependent: 858, dependent conditional: 0, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 858, independent: 553, independent conditional: 545, independent unconditional: 8, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 858, independent: 553, independent conditional: 545, independent unconditional: 8, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11061, independent: 8299, independent conditional: 8171, independent unconditional: 128, dependent: 2762, dependent conditional: 2082, dependent unconditional: 680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33433, independent: 27786, independent conditional: 6800, independent unconditional: 20986, dependent: 4086, dependent conditional: 594, dependent unconditional: 3492, unknown: 1561, unknown conditional: 857, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 1561, Positive cache size: 1256, Positive conditional cache size: 576, Positive unconditional cache size: 680, Negative cache size: 305, Negative conditional cache size: 281, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24400 ], Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 737, Number of trivial persistent sets: 445, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 704, independent: 680, independent conditional: 0, independent unconditional: 680, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29796, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 754, dependent conditional: 730, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29796, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 754, dependent conditional: 730, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29796, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 754, dependent conditional: 730, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29796, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 754, dependent conditional: 730, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 4391, dependent conditional: 4343, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 7376, independent unconditional: 21666, dependent: 4391, dependent conditional: 875, dependent unconditional: 3516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 7376, independent unconditional: 21666, dependent: 4391, dependent conditional: 875, dependent unconditional: 3516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1561, independent: 1256, independent conditional: 576, independent unconditional: 680, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1561, independent: 703, independent conditional: 0, independent unconditional: 703, dependent: 858, dependent conditional: 0, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 858, independent: 553, independent conditional: 545, independent unconditional: 8, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 858, independent: 553, independent conditional: 545, independent unconditional: 8, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11061, independent: 8299, independent conditional: 8171, independent unconditional: 128, dependent: 2762, dependent conditional: 2082, dependent unconditional: 680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33433, independent: 27786, independent conditional: 6800, independent unconditional: 20986, dependent: 4086, dependent conditional: 594, dependent unconditional: 3492, unknown: 1561, unknown conditional: 857, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 1561, Positive cache size: 1256, Positive conditional cache size: 576, Positive unconditional cache size: 680, Negative cache size: 305, Negative conditional cache size: 281, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24400, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 28308, independent unconditional: 734, dependent: 4391, dependent conditional: 4343, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 7376, independent unconditional: 21666, dependent: 4391, dependent conditional: 875, dependent unconditional: 3516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33433, independent: 29042, independent conditional: 7376, independent unconditional: 21666, dependent: 4391, dependent conditional: 875, dependent unconditional: 3516, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1561, independent: 1256, independent conditional: 576, independent unconditional: 680, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1561, independent: 703, independent conditional: 0, independent unconditional: 703, dependent: 858, dependent conditional: 0, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 858, independent: 553, independent conditional: 545, independent unconditional: 8, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 858, independent: 553, independent conditional: 545, independent unconditional: 8, dependent: 305, dependent conditional: 281, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11061, independent: 8299, independent conditional: 8171, independent unconditional: 128, dependent: 2762, dependent conditional: 2082, dependent unconditional: 680, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33433, independent: 27786, independent conditional: 6800, independent unconditional: 20986, dependent: 4086, dependent conditional: 594, dependent unconditional: 3492, unknown: 1561, unknown conditional: 857, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 1561, Positive cache size: 1256, Positive conditional cache size: 576, Positive unconditional cache size: 680, Negative cache size: 305, Negative conditional cache size: 281, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24400 ], 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, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, 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: 38, 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, 0.8s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 11.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 30, ConditionalCommutativityTraceChecks: 30, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 21:11:11,234 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 21:11:11,428 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