./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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-atomic/read_write_lock-1.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 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 09:58:52,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 09:58:52,180 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 09:58:52,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 09:58:52,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 09:58:52,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 09:58:52,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 09:58:52,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 09:58:52,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 09:58:52,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 09:58:52,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 09:58:52,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 09:58:52,219 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 09:58:52,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 09:58:52,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 09:58:52,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 09:58:52,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 09:58:52,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 09:58:52,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 09:58:52,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 09:58:52,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 09:58:52,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 09:58:52,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 09:58:52,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 09:58:52,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 09:58:52,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 09:58:52,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 09:58:52,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 09:58:52,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 09:58:52,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 09:58:52,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 09:58:52,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 09:58:52,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 09:58:52,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 09:58:52,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 09:58:52,225 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 09:58:52,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 09:58:52,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 09:58:52,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 09:58:52,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 09:58:52,226 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 09:58:52,227 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 09:58:52,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2024-07-22 09:58:52,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 09:58:52,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 09:58:52,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 09:58:52,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 09:58:52,436 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 09:58:52,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2024-07-22 09:58:53,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 09:58:53,654 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 09:58:53,655 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2024-07-22 09:58:53,675 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7d96d3b3a/57440f11991e4087a2121f20fa4849e7/FLAGba851220f [2024-07-22 09:58:53,687 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7d96d3b3a/57440f11991e4087a2121f20fa4849e7 [2024-07-22 09:58:53,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 09:58:53,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-22 09:58:53,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 09:58:53,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 09:58:53,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 09:58:53,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:58:53" (1/1) ... [2024-07-22 09:58:53,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380cbd56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:53, skipping insertion in model container [2024-07-22 09:58:53,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 09:58:53" (1/1) ... [2024-07-22 09:58:53,765 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 09:58:53,974 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i[31246,31259] [2024-07-22 09:58:53,985 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 09:58:53,995 INFO L202 MainTranslator]: Completed pre-run [2024-07-22 09:58:54,029 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-atomic/read_write_lock-1.i[31246,31259] [2024-07-22 09:58:54,031 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 09:58:54,062 INFO L206 MainTranslator]: Completed translation [2024-07-22 09:58:54,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54 WrapperNode [2024-07-22 09:58:54,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 09:58:54,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 09:58:54,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 09:58:54,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 09:58:54,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,105 INFO L138 Inliner]: procedures = 173, calls = 25, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 89 [2024-07-22 09:58:54,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 09:58:54,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 09:58:54,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 09:58:54,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 09:58:54,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 09:58:54,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 09:58:54,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 09:58:54,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 09:58:54,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (1/1) ... [2024-07-22 09:58:54,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 09:58:54,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 09:58:54,157 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) [2024-07-22 09:58:54,159 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 [2024-07-22 09:58:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 09:58:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 09:58:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-07-22 09:58:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-07-22 09:58:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 09:58:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 09:58:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 09:58:54,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 09:58:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-07-22 09:58:54,193 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-07-22 09:58:54,194 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 09:58:54,289 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 09:58:54,291 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 09:58:54,398 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 09:58:54,399 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 09:58:54,500 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 09:58:54,500 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 09:58:54,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:58:54 BoogieIcfgContainer [2024-07-22 09:58:54,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 09:58:54,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 09:58:54,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 09:58:54,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 09:58:54,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 09:58:53" (1/3) ... [2024-07-22 09:58:54,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c8eae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 09:58:54, skipping insertion in model container [2024-07-22 09:58:54,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 09:58:54" (2/3) ... [2024-07-22 09:58:54,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c8eae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 09:58:54, skipping insertion in model container [2024-07-22 09:58:54,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:58:54" (3/3) ... [2024-07-22 09:58:54,506 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2024-07-22 09:58:54,511 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-22 09:58:54,518 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 09:58:54,518 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-22 09:58:54,518 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 09:58:54,571 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-07-22 09:58:54,601 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 09:58:54,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 09:58:54,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 09:58:54,604 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) [2024-07-22 09:58:54,608 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 [2024-07-22 09:58:54,631 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 09:58:54,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork2 ======== [2024-07-22 09:58:54,648 INFO L357 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, mHoare=true, 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;@6cd657d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 09:58:54,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-07-22 09:58:54,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:54,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:54,864 INFO L85 PathProgramCache]: Analyzing trace with hash -505871373, now seen corresponding path program 1 times [2024-07-22 09:58:54,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:54,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666144016] [2024-07-22 09:58:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:54,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:55,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:55,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666144016] [2024-07-22 09:58:55,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666144016] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:55,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:55,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 09:58:55,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743898150] [2024-07-22 09:58:55,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:55,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 09:58:55,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:55,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 09:58:55,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-22 09:58:55,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:55,292 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:55,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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) [2024-07-22 09:58:55,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:55,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 09:58:55,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:55,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:55,392 INFO L85 PathProgramCache]: Analyzing trace with hash 813803057, now seen corresponding path program 1 times [2024-07-22 09:58:55,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:55,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183656691] [2024-07-22 09:58:55,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:55,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:55,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:55,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183656691] [2024-07-22 09:58:55,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183656691] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:55,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:55,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 09:58:55,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881914977] [2024-07-22 09:58:55,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:55,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 09:58:55,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:55,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 09:58:55,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-22 09:58:55,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:55,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:55,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-07-22 09:58:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:55,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:55,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 09:58:55,607 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:55,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:55,607 INFO L85 PathProgramCache]: Analyzing trace with hash 52683053, now seen corresponding path program 1 times [2024-07-22 09:58:55,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:55,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159562638] [2024-07-22 09:58:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:55,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:55,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159562638] [2024-07-22 09:58:55,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159562638] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:55,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:55,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 09:58:55,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482207269] [2024-07-22 09:58:55,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:55,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 09:58:55,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:55,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 09:58:55,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-22 09:58:55,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:55,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:55,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 09:58:55,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:55,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:55,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 09:58:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:55,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 09:58:55,848 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:55,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:55,849 INFO L85 PathProgramCache]: Analyzing trace with hash -684826004, now seen corresponding path program 1 times [2024-07-22 09:58:55,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:55,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22321230] [2024-07-22 09:58:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:55,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:55,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:55,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22321230] [2024-07-22 09:58:55,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22321230] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:55,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:55,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 09:58:55,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073469259] [2024-07-22 09:58:55,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:55,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 09:58:55,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:55,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 09:58:55,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 09:58:55,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:55,902 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:55,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-07-22 09:58:55,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:55,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 09:58:55,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:55,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:56,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:56,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 09:58:56,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:56,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 09:58:56,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 09:58:56,045 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:56,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:56,046 INFO L85 PathProgramCache]: Analyzing trace with hash 680900870, now seen corresponding path program 2 times [2024-07-22 09:58:56,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:56,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338210150] [2024-07-22 09:58:56,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:56,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:56,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:56,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338210150] [2024-07-22 09:58:56,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338210150] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:56,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:56,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 09:58:56,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437876806] [2024-07-22 09:58:56,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:56,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 09:58:56,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:56,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 09:58:56,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-07-22 09:58:56,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:56,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:56,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-07-22 09:58:56,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:56,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 09:58:56,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:56,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 09:58:56,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 09:58:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 09:58:56,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 09:58:56,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:56,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-22 09:58:56,212 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:56,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash 720646310, now seen corresponding path program 1 times [2024-07-22 09:58:56,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:56,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505894700] [2024-07-22 09:58:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:56,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:56,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505894700] [2024-07-22 09:58:56,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505894700] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:56,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:56,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 09:58:56,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961516047] [2024-07-22 09:58:56,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:56,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 09:58:56,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:56,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 09:58:56,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-22 09:58:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:56,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:56,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2024-07-22 09:58:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 09:58:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-07-22 09:58:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 09:58:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:56,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:56,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 09:58:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-07-22 09:58:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 09:58:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 09:58:56,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-07-22 09:58:56,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-22 09:58:56,897 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2024-07-22 09:58:56,898 INFO L308 ceAbstractionStarter]: Result for error location readerThread1of1ForFork2 was SAFE (1/3) [2024-07-22 09:58:56,904 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 09:58:56,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 09:58:56,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 09:58:56,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 09:58:56,966 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 09:58:56,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == readerThread1of1ForFork3 ======== [2024-07-22 09:58:56,966 INFO L357 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, mHoare=true, 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;@6cd657d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 09:58:56,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-07-22 09:58:56,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-07-22 09:58:57,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:57,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:57,058 INFO L85 PathProgramCache]: Analyzing trace with hash -836983512, now seen corresponding path program 1 times [2024-07-22 09:58:57,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:57,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415287393] [2024-07-22 09:58:57,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:57,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:57,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:57,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415287393] [2024-07-22 09:58:57,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415287393] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:57,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:57,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 09:58:57,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847473273] [2024-07-22 09:58:57,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:57,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 09:58:57,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:57,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 09:58:57,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-22 09:58:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:57,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-07-22 09:58:57,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 09:58:57,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-07-22 09:58:57,196 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:57,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:57,197 INFO L85 PathProgramCache]: Analyzing trace with hash 46692641, now seen corresponding path program 1 times [2024-07-22 09:58:57,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:57,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074360685] [2024-07-22 09:58:57,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:57,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:57,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:57,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074360685] [2024-07-22 09:58:57,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074360685] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:57,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:57,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 09:58:57,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090756315] [2024-07-22 09:58:57,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:57,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 09:58:57,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:57,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 09:58:57,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-07-22 09:58:57,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:57,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-07-22 09:58:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 09:58:57,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:57,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:57,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-07-22 09:58:57,295 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:57,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:57,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2111861386, now seen corresponding path program 1 times [2024-07-22 09:58:57,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:57,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646948085] [2024-07-22 09:58:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:57,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:57,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:57,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646948085] [2024-07-22 09:58:57,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646948085] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:57,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:57,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 09:58:57,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327908729] [2024-07-22 09:58:57,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:57,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 09:58:57,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 09:58:57,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-07-22 09:58:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:57,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2024-07-22 09:58:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:57,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:57,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:57,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-07-22 09:58:57,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:57,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:57,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1935547177, now seen corresponding path program 1 times [2024-07-22 09:58:57,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:57,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607910866] [2024-07-22 09:58:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:57,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:57,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:57,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607910866] [2024-07-22 09:58:57,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607910866] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:57,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:57,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 09:58:57,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089056207] [2024-07-22 09:58:57,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:57,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 09:58:57,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:57,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 09:58:57,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-22 09:58:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:57,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-07-22 09:58:57,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:57,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:57,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:57,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 09:58:57,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-07-22 09:58:57,583 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:57,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:57,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1067693433, now seen corresponding path program 1 times [2024-07-22 09:58:57,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:57,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550191321] [2024-07-22 09:58:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:57,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:57,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:57,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550191321] [2024-07-22 09:58:57,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550191321] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:57,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:57,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-07-22 09:58:57,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414919095] [2024-07-22 09:58:57,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:57,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-07-22 09:58:57,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:57,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-07-22 09:58:57,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-07-22 09:58:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:57,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-07-22 09:58:57,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:57,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:57,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:57,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 09:58:57,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:57,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:57,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:57,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 09:58:57,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 09:58:57,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-07-22 09:58:57,887 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr0ASSERT_VIOLATIONERROR_FUNCTION === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-07-22 09:58:57,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 09:58:57,887 INFO L85 PathProgramCache]: Analyzing trace with hash -565169633, now seen corresponding path program 1 times [2024-07-22 09:58:57,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 09:58:57,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516374006] [2024-07-22 09:58:57,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 09:58:57,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 09:58:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 09:58:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 09:58:57,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 09:58:57,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516374006] [2024-07-22 09:58:57,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516374006] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 09:58:57,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 09:58:57,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 09:58:57,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496262857] [2024-07-22 09:58:57,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 09:58:57,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 09:58:57,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 09:58:57,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 09:58:57,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 09:58:57,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:57,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 09:58:57,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2024-07-22 09:58:57,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:57,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:57,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:57,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-07-22 09:58:57,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 09:58:57,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 09:58:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 09:58:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 09:58:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 09:58:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-07-22 09:58:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 09:58:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 09:58:58,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-07-22 09:58:58,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-07-22 09:58:58,235 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-07-22 09:58:58,235 INFO L308 ceAbstractionStarter]: Result for error location readerThread1of1ForFork3 was SAFE (2/3) [2024-07-22 09:58:58,238 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 09:58:58,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 09:58:58,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 09:58:58,240 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 09:58:58,242 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 09:58:58,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 09:58:58,243 INFO L357 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, mHoare=true, 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;@6cd657d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 09:58:58,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-22 09:58:58,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-07-22 09:58:58,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-07-22 09:58:58,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-07-22 09:58:58,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-22 09:58:58,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-22 09:58:58,426 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-07-22 09:58:58,426 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (3/3) [2024-07-22 09:58:58,427 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 09:58:58,427 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 09:58:58,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 09:58:58 BasicIcfg [2024-07-22 09:58:58,430 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 09:58:58,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-22 09:58:58,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-22 09:58:58,431 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-22 09:58:58,431 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 09:58:54" (3/4) ... [2024-07-22 09:58:58,432 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-22 09:58:58,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2024-07-22 09:58:58,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2024-07-22 09:58:58,437 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-07-22 09:58:58,437 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-07-22 09:58:58,437 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-07-22 09:58:58,437 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-07-22 09:58:58,488 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-07-22 09:58:58,489 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-07-22 09:58:58,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-22 09:58:58,489 INFO L158 Benchmark]: Toolchain (without parser) took 4799.33ms. Allocated memory was 157.3MB in the beginning and 257.9MB in the end (delta: 100.7MB). Free memory was 85.2MB in the beginning and 110.1MB in the end (delta: -24.9MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2024-07-22 09:58:58,489 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 09:58:58,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.70ms. Allocated memory is still 157.3MB. Free memory was 85.0MB in the beginning and 107.3MB in the end (delta: -22.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-07-22 09:58:58,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.28ms. Allocated memory is still 157.3MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 09:58:58,490 INFO L158 Benchmark]: Boogie Preprocessor took 18.77ms. Allocated memory is still 157.3MB. Free memory was 105.2MB in the beginning and 103.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 09:58:58,490 INFO L158 Benchmark]: RCFGBuilder took 372.91ms. Allocated memory is still 157.3MB. Free memory was 103.6MB in the beginning and 82.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-07-22 09:58:58,490 INFO L158 Benchmark]: TraceAbstraction took 3928.44ms. Allocated memory was 157.3MB in the beginning and 257.9MB in the end (delta: 100.7MB). Free memory was 82.1MB in the beginning and 114.3MB in the end (delta: -32.1MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-07-22 09:58:58,491 INFO L158 Benchmark]: Witness Printer took 58.31ms. Allocated memory is still 257.9MB. Free memory was 114.3MB in the beginning and 110.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-22 09:58:58,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.70ms. Allocated memory is still 157.3MB. Free memory was 85.0MB in the beginning and 107.3MB in the end (delta: -22.3MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.28ms. Allocated memory is still 157.3MB. Free memory was 107.3MB in the beginning and 105.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.77ms. Allocated memory is still 157.3MB. Free memory was 105.2MB in the beginning and 103.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 372.91ms. Allocated memory is still 157.3MB. Free memory was 103.6MB in the beginning and 82.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3928.44ms. Allocated memory was 157.3MB in the beginning and 257.9MB in the end (delta: 100.7MB). Free memory was 82.1MB in the beginning and 114.3MB in the end (delta: -32.1MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Witness Printer took 58.31ms. Allocated memory is still 257.9MB. Free memory was 114.3MB in the beginning and 110.1MB 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: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14964, independent: 14796, independent conditional: 13198, independent unconditional: 1598, dependent: 168, dependent conditional: 125, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14907, independent: 14796, independent conditional: 13198, independent unconditional: 1598, dependent: 111, dependent conditional: 68, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14907, independent: 14796, independent conditional: 13198, independent unconditional: 1598, dependent: 111, dependent conditional: 68, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15442, independent: 14796, independent conditional: 129, independent unconditional: 14667, dependent: 646, dependent conditional: 406, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15442, independent: 14796, independent conditional: 129, independent unconditional: 14667, dependent: 646, dependent conditional: 192, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15442, independent: 14796, independent conditional: 129, independent unconditional: 14667, dependent: 646, dependent conditional: 192, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1678, independent: 1607, independent conditional: 9, independent unconditional: 1598, dependent: 71, dependent conditional: 28, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1678, independent: 1577, independent conditional: 0, independent unconditional: 1577, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 101, independent: 30, independent conditional: 9, independent unconditional: 21, dependent: 71, dependent conditional: 28, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, independent: 30, independent conditional: 9, independent unconditional: 21, dependent: 71, dependent conditional: 28, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, independent: 108, independent conditional: 23, independent unconditional: 85, dependent: 115, dependent conditional: 31, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15442, independent: 13189, independent conditional: 120, independent unconditional: 13069, dependent: 575, dependent conditional: 164, dependent unconditional: 411, unknown: 1678, unknown conditional: 37, unknown unconditional: 1641] , Statistics on independence cache: Total cache size (in pairs): 1678, Positive cache size: 1607, Positive conditional cache size: 9, Positive unconditional cache size: 1598, Negative cache size: 71, Negative conditional cache size: 28, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 214, Maximal queried relation: 5, Independence queries for same thread: 57 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 1869, Number of trivial persistent sets: 569, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1641, independent: 1598, independent conditional: 0, independent unconditional: 1598, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14964, independent: 14796, independent conditional: 13198, independent unconditional: 1598, dependent: 168, dependent conditional: 125, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14907, independent: 14796, independent conditional: 13198, independent unconditional: 1598, dependent: 111, dependent conditional: 68, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14907, independent: 14796, independent conditional: 13198, independent unconditional: 1598, dependent: 111, dependent conditional: 68, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15442, independent: 14796, independent conditional: 129, independent unconditional: 14667, dependent: 646, dependent conditional: 406, dependent unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15442, independent: 14796, independent conditional: 129, independent unconditional: 14667, dependent: 646, dependent conditional: 192, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15442, independent: 14796, independent conditional: 129, independent unconditional: 14667, dependent: 646, dependent conditional: 192, dependent unconditional: 454, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1678, independent: 1607, independent conditional: 9, independent unconditional: 1598, dependent: 71, dependent conditional: 28, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1678, independent: 1577, independent conditional: 0, independent unconditional: 1577, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 101, independent: 30, independent conditional: 9, independent unconditional: 21, dependent: 71, dependent conditional: 28, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 101, independent: 30, independent conditional: 9, independent unconditional: 21, dependent: 71, dependent conditional: 28, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 223, independent: 108, independent conditional: 23, independent unconditional: 85, dependent: 115, dependent conditional: 31, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15442, independent: 13189, independent conditional: 120, independent unconditional: 13069, dependent: 575, dependent conditional: 164, dependent unconditional: 411, unknown: 1678, unknown conditional: 37, unknown unconditional: 1641] , Statistics on independence cache: Total cache size (in pairs): 1678, Positive cache size: 1607, Positive conditional cache size: 9, Positive unconditional cache size: 1598, Negative cache size: 71, Negative conditional cache size: 28, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 214, Maximal queried relation: 5, Independence queries for same thread: 57 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14067, independent: 13813, independent conditional: 12248, independent unconditional: 1565, dependent: 254, dependent conditional: 210, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13975, independent: 13813, independent conditional: 12248, independent unconditional: 1565, dependent: 162, dependent conditional: 118, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13975, independent: 13813, independent conditional: 12248, independent unconditional: 1565, dependent: 162, dependent conditional: 118, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14683, independent: 13813, independent conditional: 98, independent unconditional: 13715, dependent: 870, dependent conditional: 610, dependent unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14683, independent: 13813, independent conditional: 98, independent unconditional: 13715, dependent: 870, dependent conditional: 314, dependent unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14683, independent: 13813, independent conditional: 98, independent unconditional: 13715, dependent: 870, dependent conditional: 314, dependent unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1653, independent: 1573, independent conditional: 8, independent unconditional: 1565, dependent: 80, dependent conditional: 36, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1653, independent: 1544, independent conditional: 0, independent unconditional: 1544, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 29, independent conditional: 8, independent unconditional: 21, dependent: 80, dependent conditional: 36, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 29, independent conditional: 8, independent unconditional: 21, dependent: 80, dependent conditional: 36, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 61, independent conditional: 10, independent unconditional: 52, dependent: 93, dependent conditional: 33, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14683, independent: 12240, independent conditional: 90, independent unconditional: 12150, dependent: 790, dependent conditional: 278, dependent unconditional: 512, unknown: 1653, unknown conditional: 44, unknown unconditional: 1609] , Statistics on independence cache: Total cache size (in pairs): 1653, Positive cache size: 1573, Positive conditional cache size: 8, Positive unconditional cache size: 1565, Negative cache size: 80, Negative conditional cache size: 36, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 296, Maximal queried relation: 5, Independence queries for same thread: 92 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 1122, Number of trivial persistent sets: 185, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1609, independent: 1565, independent conditional: 0, independent unconditional: 1565, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14067, independent: 13813, independent conditional: 12248, independent unconditional: 1565, dependent: 254, dependent conditional: 210, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13975, independent: 13813, independent conditional: 12248, independent unconditional: 1565, dependent: 162, dependent conditional: 118, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 13975, independent: 13813, independent conditional: 12248, independent unconditional: 1565, dependent: 162, dependent conditional: 118, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14683, independent: 13813, independent conditional: 98, independent unconditional: 13715, dependent: 870, dependent conditional: 610, dependent unconditional: 260, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14683, independent: 13813, independent conditional: 98, independent unconditional: 13715, dependent: 870, dependent conditional: 314, dependent unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14683, independent: 13813, independent conditional: 98, independent unconditional: 13715, dependent: 870, dependent conditional: 314, dependent unconditional: 556, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1653, independent: 1573, independent conditional: 8, independent unconditional: 1565, dependent: 80, dependent conditional: 36, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1653, independent: 1544, independent conditional: 0, independent unconditional: 1544, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 29, independent conditional: 8, independent unconditional: 21, dependent: 80, dependent conditional: 36, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 29, independent conditional: 8, independent unconditional: 21, dependent: 80, dependent conditional: 36, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, independent: 61, independent conditional: 10, independent unconditional: 52, dependent: 93, dependent conditional: 33, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14683, independent: 12240, independent conditional: 90, independent unconditional: 12150, dependent: 790, dependent conditional: 278, dependent unconditional: 512, unknown: 1653, unknown conditional: 44, unknown unconditional: 1609] , Statistics on independence cache: Total cache size (in pairs): 1653, Positive cache size: 1573, Positive conditional cache size: 8, Positive unconditional cache size: 1565, Negative cache size: 80, Negative conditional cache size: 36, Negative unconditional cache size: 44, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 296, Maximal queried relation: 5, Independence queries for same thread: 92 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5348, independent: 5178, independent conditional: 3871, independent unconditional: 1307, dependent: 170, dependent conditional: 138, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 3871, independent unconditional: 1307, dependent: 116, dependent conditional: 84, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 3871, independent unconditional: 1307, dependent: 116, dependent conditional: 84, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 0, independent unconditional: 5178, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 0, independent unconditional: 5178, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 0, independent unconditional: 5178, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1339, independent: 1307, independent conditional: 0, independent unconditional: 1307, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1339, independent: 1288, independent conditional: 0, independent unconditional: 1288, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5294, independent: 3871, independent conditional: 0, independent unconditional: 3871, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 1339, unknown conditional: 0, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 1339, Positive cache size: 1307, Positive conditional cache size: 0, Positive unconditional cache size: 1307, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 54 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 1022, Number of trivial persistent sets: 1022, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1339, independent: 1307, independent conditional: 0, independent unconditional: 1307, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5348, independent: 5178, independent conditional: 3871, independent unconditional: 1307, dependent: 170, dependent conditional: 138, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 3871, independent unconditional: 1307, dependent: 116, dependent conditional: 84, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 3871, independent unconditional: 1307, dependent: 116, dependent conditional: 84, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 0, independent unconditional: 5178, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 0, independent unconditional: 5178, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5294, independent: 5178, independent conditional: 0, independent unconditional: 5178, dependent: 116, dependent conditional: 0, dependent unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1339, independent: 1307, independent conditional: 0, independent unconditional: 1307, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1339, independent: 1288, independent conditional: 0, independent unconditional: 1288, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5294, independent: 3871, independent conditional: 0, independent unconditional: 3871, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 1339, unknown conditional: 0, unknown unconditional: 1339] , Statistics on independence cache: Total cache size (in pairs): 1339, Positive cache size: 1307, Positive conditional cache size: 0, Positive unconditional cache size: 1307, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 54 - PositiveResult [Line: 739]: 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: readerThread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 73 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.4s, 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: 40, 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, 0.5s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 331 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: readerThread1of1ForFork3 with 1 thread instances CFG has 7 procedures, 73 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 73 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 09:58:58,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-07-22 09:58:58,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-07-22 09:58:58,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 09:58:59,126 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