./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -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 08:37:57,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 08:37:57,326 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 08:37:57,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 08:37:57,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 08:37:57,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 08:37:57,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 08:37:57,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 08:37:57,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 08:37:57,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 08:37:57,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 08:37:57,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 08:37:57,348 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 08:37:57,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 08:37:57,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 08:37:57,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 08:37:57,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 08:37:57,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 08:37:57,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 08:37:57,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 08:37:57,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 08:37:57,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 08:37:57,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 08:37:57,351 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 08:37:57,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 08:37:57,352 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 08:37:57,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 08:37:57,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 08:37:57,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 08:37:57,353 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 08:37:57,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 08:37:57,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 08:37:57,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 08:37:57,354 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 08:37:57,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 08:37:57,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 08:37:57,355 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 08:37:57,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 08:37:57,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 08:37:57,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 08:37:57,356 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 08:37:57,356 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-10-18 08:37:57,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 08:37:57,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 08:37:57,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 08:37:57,598 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 08:37:57,599 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 08:37:57,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-10-18 08:37:59,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 08:37:59,239 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 08:37:59,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-10-18 08:37:59,252 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6e87fdb43/161fb7ead46042d6a2d34defe9ae27a8/FLAG78f714780 [2024-10-18 08:37:59,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6e87fdb43/161fb7ead46042d6a2d34defe9ae27a8 [2024-10-18 08:37:59,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 08:37:59,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 08:37:59,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 08:37:59,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 08:37:59,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 08:37:59,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:37:59" (1/1) ... [2024-10-18 08:37:59,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789b1d95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:37:59, skipping insertion in model container [2024-10-18 08:37:59,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 08:37:59" (1/1) ... [2024-10-18 08:37:59,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 08:37:59,802 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2024-10-18 08:37:59,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 08:37:59,943 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 08:37:59,965 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i[1096,1109] [2024-10-18 08:38:00,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 08:38:00,048 INFO L204 MainTranslator]: Completed translation [2024-10-18 08:38:00,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00 WrapperNode [2024-10-18 08:38:00,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 08:38:00,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 08:38:00,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 08:38:00,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 08:38:00,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,091 INFO L138 Inliner]: procedures = 162, calls = 53, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-10-18 08:38:00,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 08:38:00,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 08:38:00,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 08:38:00,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 08:38:00,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 08:38:00,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 08:38:00,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 08:38:00,140 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 08:38:00,141 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (1/1) ... [2024-10-18 08:38:00,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 08:38:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:38:00,206 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 08:38:00,208 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 08:38:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-18 08:38:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 08:38:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-18 08:38:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-18 08:38:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 08:38:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-18 08:38:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 08:38:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 08:38:00,249 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 08:38:00,343 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 08:38:00,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 08:38:00,533 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 08:38:00,533 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 08:38:00,712 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 08:38:00,713 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 08:38:00,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:38:00 BoogieIcfgContainer [2024-10-18 08:38:00,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 08:38:00,716 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 08:38:00,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 08:38:00,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 08:38:00,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 08:37:59" (1/3) ... [2024-10-18 08:38:00,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33673ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:38:00, skipping insertion in model container [2024-10-18 08:38:00,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 08:38:00" (2/3) ... [2024-10-18 08:38:00,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33673ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 08:38:00, skipping insertion in model container [2024-10-18 08:38:00,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:38:00" (3/3) ... [2024-10-18 08:38:00,722 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2024-10-18 08:38:00,735 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 08:38:00,735 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-18 08:38:00,735 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 08:38:00,766 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-18 08:38:00,800 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 08:38:00,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 08:38:00,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 08:38:00,803 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 08:38:00,805 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 08:38:00,870 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 08:38:00,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:00,884 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 08:38:00,889 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;@6ec0751a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 08:38:00,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-10-18 08:38:01,713 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-10-18 08:38:01,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:01,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1692614805, now seen corresponding path program 1 times [2024-10-18 08:38:01,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:38:01,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550018504] [2024-10-18 08:38:01,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:01,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:38:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:02,232 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 08:38:02,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:38:02,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550018504] [2024-10-18 08:38:02,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550018504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:38:02,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:38:02,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 08:38:02,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744577788] [2024-10-18 08:38:02,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:38:02,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 08:38:02,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:02,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 08:38:02,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 08:38:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:02,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:02,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 08:38:02,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:38:02,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 08:38:02,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-10-18 08:38:02,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:02,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1763606025, now seen corresponding path program 1 times [2024-10-18 08:38:02,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:38:02,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110167152] [2024-10-18 08:38:02,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:02,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:38:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:02,622 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 08:38:02,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:38:02,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110167152] [2024-10-18 08:38:02,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110167152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:38:02,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:38:02,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 08:38:02,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261117239] [2024-10-18 08:38:02,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:38:02,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 08:38:02,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:02,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 08:38:02,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-18 08:38:02,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:02,630 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:02,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 08:38:02,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:38:02,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:38:03,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:03,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 08:38:03,444 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-10-18 08:38:03,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:03,444 INFO L85 PathProgramCache]: Analyzing trace with hash -785593959, now seen corresponding path program 2 times [2024-10-18 08:38:03,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:38:03,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477901262] [2024-10-18 08:38:03,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:38:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:03,669 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 08:38:03,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:38:03,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477901262] [2024-10-18 08:38:03,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477901262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:38:03,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:38:03,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 08:38:03,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288406661] [2024-10-18 08:38:03,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:38:03,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-18 08:38:03,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:03,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 08:38:03,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-18 08:38:03,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:03,695 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:03,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 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 08:38:03,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:38:03,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:03,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:38:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:04,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-18 08:38:04,056 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-10-18 08:38:04,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:04,057 INFO L85 PathProgramCache]: Analyzing trace with hash -395411462, now seen corresponding path program 1 times [2024-10-18 08:38:04,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:38:04,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991080721] [2024-10-18 08:38:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:04,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:38:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:04,261 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 08:38:04,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:38:04,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991080721] [2024-10-18 08:38:04,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991080721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:38:04,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:38:04,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-18 08:38:04,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285051122] [2024-10-18 08:38:04,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:38:04,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 08:38:04,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:04,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 08:38:04,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-18 08:38:04,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:04,267 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:04,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 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 08:38:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 08:38:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:04,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:05,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-18 08:38:05,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-10-18 08:38:05,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 08:38:05,733 INFO L85 PathProgramCache]: Analyzing trace with hash -535078306, now seen corresponding path program 1 times [2024-10-18 08:38:05,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 08:38:05,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167761422] [2024-10-18 08:38:05,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 08:38:05,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 08:38:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 08:38:05,842 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 08:38:05,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 08:38:05,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167761422] [2024-10-18 08:38:05,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167761422] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 08:38:05,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 08:38:05,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 08:38:05,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325243022] [2024-10-18 08:38:05,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 08:38:05,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 08:38:05,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 08:38:05,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 08:38:05,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-18 08:38:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:05,845 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 08:38:05,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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 08:38:05,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:05,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:05,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:05,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:05,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 08:38:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-18 08:38:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:06,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 08:38:06,760 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-10-18 08:38:06,763 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-10-18 08:38:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-10-18 08:38:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-10-18 08:38:06,764 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-10-18 08:38:06,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-18 08:38:06,771 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-10-18 08:38:06,777 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 08:38:06,777 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 08:38:06,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 08:38:06 BasicIcfg [2024-10-18 08:38:06,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 08:38:06,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 08:38:06,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 08:38:06,781 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 08:38:06,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 08:38:00" (3/4) ... [2024-10-18 08:38:06,782 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 08:38:06,785 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-18 08:38:06,788 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-10-18 08:38:06,788 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-18 08:38:06,789 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-18 08:38:06,789 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 08:38:06,882 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 08:38:06,884 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 08:38:06,884 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 08:38:06,885 INFO L158 Benchmark]: Toolchain (without parser) took 7296.01ms. Allocated memory was 159.4MB in the beginning and 272.6MB in the end (delta: 113.2MB). Free memory was 85.5MB in the beginning and 113.6MB in the end (delta: -28.0MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2024-10-18 08:38:06,885 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 08:38:06,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.99ms. Allocated memory is still 159.4MB. Free memory was 85.3MB in the beginning and 63.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-18 08:38:06,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.56ms. Allocated memory is still 159.4MB. Free memory was 63.5MB in the beginning and 129.5MB in the end (delta: -66.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-10-18 08:38:06,886 INFO L158 Benchmark]: Boogie Preprocessor took 29.68ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 127.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 08:38:06,886 INFO L158 Benchmark]: RCFGBuilder took 573.85ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 127.7MB in the beginning and 157.4MB in the end (delta: -29.6MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-10-18 08:38:06,886 INFO L158 Benchmark]: TraceAbstraction took 6063.53ms. Allocated memory was 226.5MB in the beginning and 272.6MB in the end (delta: 46.1MB). Free memory was 156.3MB in the beginning and 117.8MB in the end (delta: 38.6MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2024-10-18 08:38:06,886 INFO L158 Benchmark]: Witness Printer took 104.24ms. Allocated memory is still 272.6MB. Free memory was 117.8MB in the beginning and 113.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 08:38:06,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.99ms. Allocated memory is still 159.4MB. Free memory was 85.3MB in the beginning and 63.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.56ms. Allocated memory is still 159.4MB. Free memory was 63.5MB in the beginning and 129.5MB in the end (delta: -66.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.68ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 127.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.85ms. Allocated memory was 159.4MB in the beginning and 226.5MB in the end (delta: 67.1MB). Free memory was 127.7MB in the beginning and 157.4MB in the end (delta: -29.6MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6063.53ms. Allocated memory was 226.5MB in the beginning and 272.6MB in the end (delta: 46.1MB). Free memory was 156.3MB in the beginning and 117.8MB in the end (delta: 38.6MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. * Witness Printer took 104.24ms. Allocated memory is still 272.6MB. Free memory was 117.8MB in the beginning and 113.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2714, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 227, dependent conditional: 130, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2612, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 125, dependent conditional: 28, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2612, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 125, dependent conditional: 28, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2612, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 125, dependent conditional: 28, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 373, dependent conditional: 179, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 101, independent unconditional: 2386, dependent: 373, dependent conditional: 37, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 101, independent unconditional: 2386, dependent: 373, dependent conditional: 37, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1631, independent: 1503, independent conditional: 22, independent unconditional: 1481, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1631, independent: 1392, independent conditional: 0, independent unconditional: 1392, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 239, independent: 111, independent conditional: 22, independent unconditional: 89, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 239, independent: 111, independent conditional: 22, independent unconditional: 89, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3695, independent: 1524, independent conditional: 384, independent unconditional: 1140, dependent: 2171, dependent conditional: 509, dependent unconditional: 1662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2860, independent: 984, independent conditional: 79, independent unconditional: 905, dependent: 245, dependent conditional: 6, dependent unconditional: 239, unknown: 1631, unknown conditional: 53, unknown unconditional: 1578] , Statistics on independence cache: Total cache size (in pairs): 1631, Positive cache size: 1503, Positive conditional cache size: 22, Positive unconditional cache size: 1481, Negative cache size: 128, Negative conditional cache size: 31, Negative unconditional cache size: 97, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1047, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 373, dependent conditional: 179, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 101, independent unconditional: 2386, dependent: 373, dependent conditional: 37, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 101, independent unconditional: 2386, dependent: 373, dependent conditional: 37, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1631, independent: 1503, independent conditional: 22, independent unconditional: 1481, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1631, independent: 1392, independent conditional: 0, independent unconditional: 1392, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 239, independent: 111, independent conditional: 22, independent unconditional: 89, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 239, independent: 111, independent conditional: 22, independent unconditional: 89, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3695, independent: 1524, independent conditional: 384, independent unconditional: 1140, dependent: 2171, dependent conditional: 509, dependent unconditional: 1662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2860, independent: 984, independent conditional: 79, independent unconditional: 905, dependent: 245, dependent conditional: 6, dependent unconditional: 239, unknown: 1631, unknown conditional: 53, unknown unconditional: 1578] , Statistics on independence cache: Total cache size (in pairs): 1631, Positive cache size: 1503, Positive conditional cache size: 22, Positive unconditional cache size: 1481, Negative cache size: 128, Negative conditional cache size: 31, Negative unconditional cache size: 97, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1047 ], Independence queries for same thread: 102, Persistent sets #1 benchmarks: Persistent set computation time: 2.9s, Number of persistent set computation: 442, Number of trivial persistent sets: 442, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1578, independent: 1481, independent conditional: 0, independent unconditional: 1481, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2714, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 227, dependent conditional: 130, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2612, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 125, dependent conditional: 28, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2612, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 125, dependent conditional: 28, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2612, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 125, dependent conditional: 28, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 373, dependent conditional: 179, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 101, independent unconditional: 2386, dependent: 373, dependent conditional: 37, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 101, independent unconditional: 2386, dependent: 373, dependent conditional: 37, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1631, independent: 1503, independent conditional: 22, independent unconditional: 1481, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1631, independent: 1392, independent conditional: 0, independent unconditional: 1392, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 239, independent: 111, independent conditional: 22, independent unconditional: 89, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 239, independent: 111, independent conditional: 22, independent unconditional: 89, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3695, independent: 1524, independent conditional: 384, independent unconditional: 1140, dependent: 2171, dependent conditional: 509, dependent unconditional: 1662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2860, independent: 984, independent conditional: 79, independent unconditional: 905, dependent: 245, dependent conditional: 6, dependent unconditional: 239, unknown: 1631, unknown conditional: 53, unknown unconditional: 1578] , Statistics on independence cache: Total cache size (in pairs): 1631, Positive cache size: 1503, Positive conditional cache size: 22, Positive unconditional cache size: 1481, Negative cache size: 128, Negative conditional cache size: 31, Negative unconditional cache size: 97, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1047, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 1006, independent unconditional: 1481, dependent: 373, dependent conditional: 179, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 101, independent unconditional: 2386, dependent: 373, dependent conditional: 37, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2860, independent: 2487, independent conditional: 101, independent unconditional: 2386, dependent: 373, dependent conditional: 37, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1631, independent: 1503, independent conditional: 22, independent unconditional: 1481, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1631, independent: 1392, independent conditional: 0, independent unconditional: 1392, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 239, independent: 111, independent conditional: 22, independent unconditional: 89, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 239, independent: 111, independent conditional: 22, independent unconditional: 89, dependent: 128, dependent conditional: 31, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3695, independent: 1524, independent conditional: 384, independent unconditional: 1140, dependent: 2171, dependent conditional: 509, dependent unconditional: 1662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2860, independent: 984, independent conditional: 79, independent unconditional: 905, dependent: 245, dependent conditional: 6, dependent unconditional: 239, unknown: 1631, unknown conditional: 53, unknown unconditional: 1578] , Statistics on independence cache: Total cache size (in pairs): 1631, Positive cache size: 1503, Positive conditional cache size: 22, Positive unconditional cache size: 1481, Negative cache size: 128, Negative conditional cache size: 31, Negative unconditional cache size: 97, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1047 ], Independence queries for same thread: 102 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 99 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.5s, 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: 24, 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, 1.0s InterpolantComputationTime, 188 NumberOfCodeBlocks, 188 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 1071 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: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 08:38:06,933 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 08:38:07,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE