./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/ring_1w1r-2.yml/witness.graphml --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 194c01fd Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/ring_1w1r-2.yml/witness.graphml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.5-dev-194c01f-m [2024-10-29 15:21:45,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:21:45,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:21:45,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:21:45,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:21:45,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:21:45,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:21:45,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:21:45,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:21:45,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:21:45,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:21:45,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:21:45,373 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:21:45,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:21:45,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:21:45,374 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:21:45,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:21:45,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:21:45,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:21:45,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:21:45,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:21:45,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:21:45,379 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:21:45,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:21:45,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:21:45,380 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:21:45,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:21:45,381 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:21:45,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:21:45,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:21:45,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:21:45,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:21:45,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:21:45,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:21:45,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:21:45,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:21:45,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:21:45,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:21:45,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:21:45,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:21:45,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:21:45,385 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:21:45,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:21:45,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:21:45,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:21:45,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:21:45,653 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:21:45,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i [2024-10-29 15:21:47,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:21:47,333 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:21:47,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i [2024-10-29 15:21:47,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08635fc1/97199b69bbc14854a3b65db1c7c015c4/FLAG466064e62 [2024-10-29 15:21:47,371 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08635fc1/97199b69bbc14854a3b65db1c7c015c4 [2024-10-29 15:21:47,373 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:21:47,374 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:21:47,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/ring_1w1r-2.yml/witness.graphml [2024-10-29 15:21:47,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:21:47,468 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:21:47,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:21:47,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:21:47,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:21:47,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:21:47" (1/2) ... [2024-10-29 15:21:47,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759573c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:47, skipping insertion in model container [2024-10-29 15:21:47,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:21:47" (1/2) ... [2024-10-29 15:21:47,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49f40597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:47, skipping insertion in model container [2024-10-29 15:21:47,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:47" (2/2) ... [2024-10-29 15:21:47,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759573c5 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:47, skipping insertion in model container [2024-10-29 15:21:47,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:47" (2/2) ... [2024-10-29 15:21:47,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:21:48,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:21:48,024 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:21:48,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:21:48,164 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:21:48,164 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48 WrapperNode [2024-10-29 15:21:48,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:21:48,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:21:48,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:21:48,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:21:48,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,223 INFO L138 Inliner]: procedures = 223, calls = 39, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 221 [2024-10-29 15:21:48,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:21:48,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:21:48,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:21:48,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:21:48,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:21:48,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:21:48,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:21:48,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:21:48,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (1/1) ... [2024-10-29 15:21:48,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:21:48,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:21:48,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-29 15:21:48,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-29 15:21:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2024-10-29 15:21:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2024-10-29 15:21:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-29 15:21:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-29 15:21:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-29 15:21:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-29 15:21:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:21:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:21:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:21:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:21:48,400 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 15:21:48,546 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:21:48,548 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:21:49,033 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:21:49,033 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:21:49,055 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:21:49,057 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-29 15:21:49,058 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:21:49 BoogieIcfgContainer [2024-10-29 15:21:49,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:21:49,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:21:49,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:21:49,064 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:21:49,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:21:47" (1/4) ... [2024-10-29 15:21:49,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23273c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:21:49, skipping insertion in model container [2024-10-29 15:21:49,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:47" (2/4) ... [2024-10-29 15:21:49,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23273c8d and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:21:49, skipping insertion in model container [2024-10-29 15:21:49,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:48" (3/4) ... [2024-10-29 15:21:49,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23273c8d and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:21:49, skipping insertion in model container [2024-10-29 15:21:49,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:21:49" (4/4) ... [2024-10-29 15:21:49,072 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2024-10-29 15:21:49,072 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:21:49,095 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:21:49,096 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-10-29 15:21:49,096 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:21:49,216 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-29 15:21:49,235 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:21:49,257 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 257 places, 266 transitions, 539 flow [2024-10-29 15:21:49,622 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9767 states, 9703 states have (on average 2.108935380810059) internal successors, (20463), 9766 states have internal predecessors, (20463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:49,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:21:49,670 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@30494b83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:21:49,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-10-29 15:21:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 9767 states, 9703 states have (on average 2.108935380810059) internal successors, (20463), 9766 states have internal predecessors, (20463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-29 15:21:49,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:49,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:49,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:21:49,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:49,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1008521894, now seen corresponding path program 1 times [2024-10-29 15:21:49,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:49,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571766189] [2024-10-29 15:21:49,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:49,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:50,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:50,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571766189] [2024-10-29 15:21:50,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571766189] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:50,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:50,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:21:50,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506083388] [2024-10-29 15:21:50,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:50,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:21:50,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:50,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:21:50,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:50,570 INFO L87 Difference]: Start difference. First operand has 9767 states, 9703 states have (on average 2.108935380810059) internal successors, (20463), 9766 states have internal predecessors, (20463), 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) Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:51,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:51,003 INFO L93 Difference]: Finished difference Result 19223 states and 40340 transitions. [2024-10-29 15:21:51,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:21:51,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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) Word has length 27 [2024-10-29 15:21:51,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:51,099 INFO L225 Difference]: With dead ends: 19223 [2024-10-29 15:21:51,100 INFO L226 Difference]: Without dead ends: 9497 [2024-10-29 15:21:51,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:51,140 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 10 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:51,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 376 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-29 15:21:51,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9497 states. [2024-10-29 15:21:51,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9497 to 9497. [2024-10-29 15:21:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9497 states, 9416 states have (on average 2.033984706881903) internal successors, (19152), 9496 states have internal predecessors, (19152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9497 states to 9497 states and 19152 transitions. [2024-10-29 15:21:51,696 INFO L78 Accepts]: Start accepts. Automaton has 9497 states and 19152 transitions. Word has length 27 [2024-10-29 15:21:51,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:51,697 INFO L471 AbstractCegarLoop]: Abstraction has 9497 states and 19152 transitions. [2024-10-29 15:21:51,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 9497 states and 19152 transitions. [2024-10-29 15:21:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-10-29 15:21:51,699 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:51,699 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:51,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:21:51,700 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:21:51,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:51,700 INFO L85 PathProgramCache]: Analyzing trace with hash 143388735, now seen corresponding path program 1 times [2024-10-29 15:21:51,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:51,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811444277] [2024-10-29 15:21:51,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:51,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:52,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:52,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811444277] [2024-10-29 15:21:52,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811444277] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:52,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:52,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:21:52,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72703145] [2024-10-29 15:21:52,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:52,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:21:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:52,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:21:52,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:52,095 INFO L87 Difference]: Start difference. First operand 9497 states and 19152 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:52,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:52,379 INFO L93 Difference]: Finished difference Result 9497 states and 19152 transitions. [2024-10-29 15:21:52,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:21:52,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 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) Word has length 34 [2024-10-29 15:21:52,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:52,450 INFO L225 Difference]: With dead ends: 9497 [2024-10-29 15:21:52,451 INFO L226 Difference]: Without dead ends: 9496 [2024-10-29 15:21:52,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:52,459 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 4 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:52,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 524 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-29 15:21:52,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9496 states. [2024-10-29 15:21:52,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9496 to 9496. [2024-10-29 15:21:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9496 states, 9416 states have (on average 2.0338785046728973) internal successors, (19151), 9495 states have internal predecessors, (19151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9496 states to 9496 states and 19151 transitions. [2024-10-29 15:21:52,765 INFO L78 Accepts]: Start accepts. Automaton has 9496 states and 19151 transitions. Word has length 34 [2024-10-29 15:21:52,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:52,766 INFO L471 AbstractCegarLoop]: Abstraction has 9496 states and 19151 transitions. [2024-10-29 15:21:52,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 9496 states and 19151 transitions. [2024-10-29 15:21:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-29 15:21:52,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:52,774 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:52,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:21:52,775 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:21:52,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:52,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2017236769, now seen corresponding path program 1 times [2024-10-29 15:21:52,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:52,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876727025] [2024-10-29 15:21:52,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:52,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:53,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:53,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876727025] [2024-10-29 15:21:53,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876727025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:53,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:53,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:21:53,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130899142] [2024-10-29 15:21:53,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:53,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:21:53,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:53,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:21:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:53,144 INFO L87 Difference]: Start difference. First operand 9496 states and 19151 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:53,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:53,801 INFO L93 Difference]: Finished difference Result 11841 states and 23868 transitions. [2024-10-29 15:21:53,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:21:53,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 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) Word has length 59 [2024-10-29 15:21:53,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:53,884 INFO L225 Difference]: With dead ends: 11841 [2024-10-29 15:21:53,885 INFO L226 Difference]: Without dead ends: 11685 [2024-10-29 15:21:53,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:53,897 INFO L432 NwaCegarLoop]: 394 mSDtfsCounter, 252 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 749 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:53,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 749 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-29 15:21:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11685 states. [2024-10-29 15:21:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11685 to 10040. [2024-10-29 15:21:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10040 states, 9960 states have (on average 2.032831325301205) internal successors, (20247), 10039 states have internal predecessors, (20247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10040 states to 10040 states and 20247 transitions. [2024-10-29 15:21:54,242 INFO L78 Accepts]: Start accepts. Automaton has 10040 states and 20247 transitions. Word has length 59 [2024-10-29 15:21:54,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:54,243 INFO L471 AbstractCegarLoop]: Abstraction has 10040 states and 20247 transitions. [2024-10-29 15:21:54,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 10040 states and 20247 transitions. [2024-10-29 15:21:54,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-29 15:21:54,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:54,247 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:54,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:21:54,247 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:21:54,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:54,248 INFO L85 PathProgramCache]: Analyzing trace with hash -903695032, now seen corresponding path program 1 times [2024-10-29 15:21:54,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:54,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642708436] [2024-10-29 15:21:54,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:54,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:54,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:54,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:54,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642708436] [2024-10-29 15:21:54,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642708436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:54,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:54,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:21:54,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341245724] [2024-10-29 15:21:54,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:54,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:21:54,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:54,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:21:54,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:54,661 INFO L87 Difference]: Start difference. First operand 10040 states and 20247 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:55,391 INFO L93 Difference]: Finished difference Result 15103 states and 30532 transitions. [2024-10-29 15:21:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:21:55,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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) Word has length 61 [2024-10-29 15:21:55,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:55,460 INFO L225 Difference]: With dead ends: 15103 [2024-10-29 15:21:55,460 INFO L226 Difference]: Without dead ends: 14710 [2024-10-29 15:21:55,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:55,472 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 404 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:55,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1044 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-29 15:21:55,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14710 states. [2024-10-29 15:21:55,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14710 to 11387. [2024-10-29 15:21:55,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11387 states, 11313 states have (on average 2.028904799787855) internal successors, (22953), 11386 states have internal predecessors, (22953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11387 states to 11387 states and 22953 transitions. [2024-10-29 15:21:55,800 INFO L78 Accepts]: Start accepts. Automaton has 11387 states and 22953 transitions. Word has length 61 [2024-10-29 15:21:55,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:55,800 INFO L471 AbstractCegarLoop]: Abstraction has 11387 states and 22953 transitions. [2024-10-29 15:21:55,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 11387 states and 22953 transitions. [2024-10-29 15:21:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-29 15:21:55,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:55,803 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:55,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:21:55,804 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reader_fnErr1ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:21:55,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:55,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1844824793, now seen corresponding path program 1 times [2024-10-29 15:21:55,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:55,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703584226] [2024-10-29 15:21:55,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:55,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:56,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:56,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703584226] [2024-10-29 15:21:56,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703584226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:56,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:56,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:21:56,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187723789] [2024-10-29 15:21:56,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:56,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:21:56,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:56,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:21:56,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:56,255 INFO L87 Difference]: Start difference. First operand 11387 states and 22953 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:56,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:56,938 INFO L93 Difference]: Finished difference Result 12692 states and 25576 transitions. [2024-10-29 15:21:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:21:56,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) Word has length 65 [2024-10-29 15:21:56,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:56,993 INFO L225 Difference]: With dead ends: 12692 [2024-10-29 15:21:56,993 INFO L226 Difference]: Without dead ends: 12393 [2024-10-29 15:21:57,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:57,005 INFO L432 NwaCegarLoop]: 408 mSDtfsCounter, 230 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:57,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1043 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-29 15:21:57,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12393 states. [2024-10-29 15:21:57,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12393 to 11758. [2024-10-29 15:21:57,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11758 states, 11690 states have (on average 2.026432848588537) internal successors, (23689), 11757 states have internal predecessors, (23689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11758 states to 11758 states and 23689 transitions. [2024-10-29 15:21:57,269 INFO L78 Accepts]: Start accepts. Automaton has 11758 states and 23689 transitions. Word has length 65 [2024-10-29 15:21:57,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:57,270 INFO L471 AbstractCegarLoop]: Abstraction has 11758 states and 23689 transitions. [2024-10-29 15:21:57,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 11758 states and 23689 transitions. [2024-10-29 15:21:57,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-29 15:21:57,273 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:57,274 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:57,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:21:57,274 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:21:57,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:57,275 INFO L85 PathProgramCache]: Analyzing trace with hash 2101041956, now seen corresponding path program 1 times [2024-10-29 15:21:57,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:57,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483871047] [2024-10-29 15:21:57,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:57,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:57,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:57,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483871047] [2024-10-29 15:21:57,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483871047] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:57,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:57,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:21:57,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859424733] [2024-10-29 15:21:57,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:57,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:21:57,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:57,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:21:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:57,680 INFO L87 Difference]: Start difference. First operand 11758 states and 23689 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:58,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:58,293 INFO L93 Difference]: Finished difference Result 15453 states and 31223 transitions. [2024-10-29 15:21:58,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:21:58,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 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) Word has length 67 [2024-10-29 15:21:58,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:58,358 INFO L225 Difference]: With dead ends: 15453 [2024-10-29 15:21:58,358 INFO L226 Difference]: Without dead ends: 15314 [2024-10-29 15:21:58,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:58,371 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 410 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:58,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 981 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-29 15:21:58,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15314 states. [2024-10-29 15:21:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15314 to 12189. [2024-10-29 15:21:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12189 states, 12125 states have (on average 2.0251546391752577) internal successors, (24555), 12188 states have internal predecessors, (24555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12189 states to 12189 states and 24555 transitions. [2024-10-29 15:21:58,735 INFO L78 Accepts]: Start accepts. Automaton has 12189 states and 24555 transitions. Word has length 67 [2024-10-29 15:21:58,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:58,736 INFO L471 AbstractCegarLoop]: Abstraction has 12189 states and 24555 transitions. [2024-10-29 15:21:58,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:58,737 INFO L276 IsEmpty]: Start isEmpty. Operand 12189 states and 24555 transitions. [2024-10-29 15:21:58,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-29 15:21:58,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:58,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:58,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-29 15:21:58,743 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:21:58,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1592000322, now seen corresponding path program 1 times [2024-10-29 15:21:58,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:58,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439720151] [2024-10-29 15:21:58,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:58,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:59,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:59,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:59,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439720151] [2024-10-29 15:21:59,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439720151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:59,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:59,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:21:59,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739356779] [2024-10-29 15:21:59,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:59,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:21:59,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:59,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:21:59,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:21:59,280 INFO L87 Difference]: Start difference. First operand 12189 states and 24555 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:59,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:59,988 INFO L93 Difference]: Finished difference Result 12921 states and 26009 transitions. [2024-10-29 15:21:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:21:59,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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) Word has length 83 [2024-10-29 15:21:59,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:00,049 INFO L225 Difference]: With dead ends: 12921 [2024-10-29 15:22:00,050 INFO L226 Difference]: Without dead ends: 12782 [2024-10-29 15:22:00,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:00,060 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 371 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:00,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1044 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-29 15:22:00,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12782 states. [2024-10-29 15:22:00,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12782 to 12652. [2024-10-29 15:22:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12652 states, 12588 states have (on average 2.0245471877979027) internal successors, (25485), 12651 states have internal predecessors, (25485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12652 states to 12652 states and 25485 transitions. [2024-10-29 15:22:00,422 INFO L78 Accepts]: Start accepts. Automaton has 12652 states and 25485 transitions. Word has length 83 [2024-10-29 15:22:00,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:00,422 INFO L471 AbstractCegarLoop]: Abstraction has 12652 states and 25485 transitions. [2024-10-29 15:22:00,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 12652 states and 25485 transitions. [2024-10-29 15:22:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-29 15:22:00,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:00,428 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:00,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-29 15:22:00,428 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reader_fnErr2ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:22:00,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:00,429 INFO L85 PathProgramCache]: Analyzing trace with hash 846692282, now seen corresponding path program 1 times [2024-10-29 15:22:00,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:00,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25888510] [2024-10-29 15:22:00,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:00,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:00,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:00,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25888510] [2024-10-29 15:22:00,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25888510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:00,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:00,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:22:00,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186869843] [2024-10-29 15:22:00,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:00,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:22:00,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:00,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:22:00,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:00,723 INFO L87 Difference]: Start difference. First operand 12652 states and 25485 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:01,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:01,214 INFO L93 Difference]: Finished difference Result 14521 states and 29243 transitions. [2024-10-29 15:22:01,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:22:01,215 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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) Word has length 83 [2024-10-29 15:22:01,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:01,268 INFO L225 Difference]: With dead ends: 14521 [2024-10-29 15:22:01,268 INFO L226 Difference]: Without dead ends: 14325 [2024-10-29 15:22:01,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:01,279 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 242 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:01,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 798 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-29 15:22:01,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14325 states. [2024-10-29 15:22:01,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14325 to 13122. [2024-10-29 15:22:01,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13122 states, 13066 states have (on average 2.0230368896372264) internal successors, (26433), 13121 states have internal predecessors, (26433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13122 states to 13122 states and 26433 transitions. [2024-10-29 15:22:01,559 INFO L78 Accepts]: Start accepts. Automaton has 13122 states and 26433 transitions. Word has length 83 [2024-10-29 15:22:01,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:01,560 INFO L471 AbstractCegarLoop]: Abstraction has 13122 states and 26433 transitions. [2024-10-29 15:22:01,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 13122 states and 26433 transitions. [2024-10-29 15:22:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-29 15:22:01,567 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:01,568 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:01,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-29 15:22:01,568 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reader_fnErr3ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:22:01,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:01,569 INFO L85 PathProgramCache]: Analyzing trace with hash -941239682, now seen corresponding path program 1 times [2024-10-29 15:22:01,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:01,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775397847] [2024-10-29 15:22:01,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:01,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:01,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:01,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775397847] [2024-10-29 15:22:01,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775397847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:01,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:01,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-29 15:22:01,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918403785] [2024-10-29 15:22:01,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:01,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-29 15:22:01,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:01,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-29 15:22:01,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:01,938 INFO L87 Difference]: Start difference. First operand 13122 states and 26433 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:02,554 INFO L93 Difference]: Finished difference Result 13593 states and 27378 transitions. [2024-10-29 15:22:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-29 15:22:02,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 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) Word has length 89 [2024-10-29 15:22:02,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:02,592 INFO L225 Difference]: With dead ends: 13593 [2024-10-29 15:22:02,592 INFO L226 Difference]: Without dead ends: 13495 [2024-10-29 15:22:02,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-29 15:22:02,600 INFO L432 NwaCegarLoop]: 412 mSDtfsCounter, 222 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:02,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 1053 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-29 15:22:02,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13495 states. [2024-10-29 15:22:02,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13495 to 13357. [2024-10-29 15:22:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13357 states, 13305 states have (on average 2.0223224351747464) internal successors, (26907), 13356 states have internal predecessors, (26907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13357 states to 13357 states and 26907 transitions. [2024-10-29 15:22:02,856 INFO L78 Accepts]: Start accepts. Automaton has 13357 states and 26907 transitions. Word has length 89 [2024-10-29 15:22:02,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:02,859 INFO L471 AbstractCegarLoop]: Abstraction has 13357 states and 26907 transitions. [2024-10-29 15:22:02,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 13357 states and 26907 transitions. [2024-10-29 15:22:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-29 15:22:02,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:02,866 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:02,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-29 15:22:02,867 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:22:02,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:02,871 INFO L85 PathProgramCache]: Analyzing trace with hash -885166947, now seen corresponding path program 1 times [2024-10-29 15:22:02,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:02,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106550486] [2024-10-29 15:22:02,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:02,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:05,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:05,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:05,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106550486] [2024-10-29 15:22:05,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106550486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:05,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:05,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-10-29 15:22:05,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757487450] [2024-10-29 15:22:05,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:05,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-29 15:22:05,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:05,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-29 15:22:05,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2024-10-29 15:22:05,031 INFO L87 Difference]: Start difference. First operand 13357 states and 26907 transitions. Second operand has 24 states, 23 states have (on average 4.173913043478261) internal successors, (96), 24 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:11,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:11,855 INFO L93 Difference]: Finished difference Result 31787 states and 64242 transitions. [2024-10-29 15:22:11,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-29 15:22:11,856 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.173913043478261) internal successors, (96), 24 states have internal predecessors, (96), 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) Word has length 96 [2024-10-29 15:22:11,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:11,938 INFO L225 Difference]: With dead ends: 31787 [2024-10-29 15:22:11,939 INFO L226 Difference]: Without dead ends: 31619 [2024-10-29 15:22:11,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=641, Invalid=2115, Unknown=0, NotChecked=0, Total=2756 [2024-10-29 15:22:11,954 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 2941 mSDsluCounter, 6780 mSDsCounter, 0 mSdLazyCounter, 6500 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 7322 SdHoareTripleChecker+Invalid, 6757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 6500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:11,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2941 Valid, 7322 Invalid, 6757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 6500 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-29 15:22:11,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31619 states. [2024-10-29 15:22:12,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31619 to 14126. [2024-10-29 15:22:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14126 states, 14074 states have (on average 2.0240159158732416) internal successors, (28486), 14125 states have internal predecessors, (28486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14126 states to 14126 states and 28486 transitions. [2024-10-29 15:22:12,438 INFO L78 Accepts]: Start accepts. Automaton has 14126 states and 28486 transitions. Word has length 96 [2024-10-29 15:22:12,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:12,439 INFO L471 AbstractCegarLoop]: Abstraction has 14126 states and 28486 transitions. [2024-10-29 15:22:12,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.173913043478261) internal successors, (96), 24 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 14126 states and 28486 transitions. [2024-10-29 15:22:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-29 15:22:12,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:12,448 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:12,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-29 15:22:12,449 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:22:12,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:12,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1858810914, now seen corresponding path program 1 times [2024-10-29 15:22:12,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:12,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656085545] [2024-10-29 15:22:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:14,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:14,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656085545] [2024-10-29 15:22:14,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656085545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:14,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:14,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-10-29 15:22:14,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028068754] [2024-10-29 15:22:14,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:14,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-29 15:22:14,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:14,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-29 15:22:14,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-10-29 15:22:14,898 INFO L87 Difference]: Start difference. First operand 14126 states and 28486 transitions. Second operand has 26 states, 25 states have (on average 3.84) internal successors, (96), 26 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:20,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:20,414 INFO L93 Difference]: Finished difference Result 28656 states and 57897 transitions. [2024-10-29 15:22:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-29 15:22:20,414 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.84) internal successors, (96), 26 states have internal predecessors, (96), 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) Word has length 96 [2024-10-29 15:22:20,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:20,485 INFO L225 Difference]: With dead ends: 28656 [2024-10-29 15:22:20,485 INFO L226 Difference]: Without dead ends: 28537 [2024-10-29 15:22:20,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=538, Invalid=2012, Unknown=0, NotChecked=0, Total=2550 [2024-10-29 15:22:20,500 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 2637 mSDsluCounter, 8368 mSDsCounter, 0 mSdLazyCounter, 7328 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2637 SdHoareTripleChecker+Valid, 8982 SdHoareTripleChecker+Invalid, 7399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 7328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:20,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2637 Valid, 8982 Invalid, 7399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 7328 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-10-29 15:22:20,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28537 states. [2024-10-29 15:22:20,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28537 to 15075. [2024-10-29 15:22:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15075 states, 15023 states have (on average 2.02602675896958) internal successors, (30437), 15074 states have internal predecessors, (30437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15075 states to 15075 states and 30437 transitions. [2024-10-29 15:22:20,877 INFO L78 Accepts]: Start accepts. Automaton has 15075 states and 30437 transitions. Word has length 96 [2024-10-29 15:22:20,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:20,878 INFO L471 AbstractCegarLoop]: Abstraction has 15075 states and 30437 transitions. [2024-10-29 15:22:20,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.84) internal successors, (96), 26 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 15075 states and 30437 transitions. [2024-10-29 15:22:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-29 15:22:20,884 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:20,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:20,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-29 15:22:20,884 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:22:20,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:20,885 INFO L85 PathProgramCache]: Analyzing trace with hash -354620523, now seen corresponding path program 2 times [2024-10-29 15:22:20,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:20,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024791534] [2024-10-29 15:22:20,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:20,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:22,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:22,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024791534] [2024-10-29 15:22:22,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024791534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:22,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:22,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-10-29 15:22:22,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356125503] [2024-10-29 15:22:22,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:22,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-29 15:22:22,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:22,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-29 15:22:22,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2024-10-29 15:22:22,575 INFO L87 Difference]: Start difference. First operand 15075 states and 30437 transitions. Second operand has 23 states, 22 states have (on average 4.363636363636363) internal successors, (96), 23 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:26,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:26,501 INFO L93 Difference]: Finished difference Result 28237 states and 57180 transitions. [2024-10-29 15:22:26,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-29 15:22:26,502 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.363636363636363) internal successors, (96), 23 states have internal predecessors, (96), 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) Word has length 96 [2024-10-29 15:22:26,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:26,564 INFO L225 Difference]: With dead ends: 28237 [2024-10-29 15:22:26,564 INFO L226 Difference]: Without dead ends: 28097 [2024-10-29 15:22:26,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=502, Invalid=1850, Unknown=0, NotChecked=0, Total=2352 [2024-10-29 15:22:26,578 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 1625 mSDsluCounter, 6260 mSDsCounter, 0 mSdLazyCounter, 4903 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 6817 SdHoareTripleChecker+Invalid, 5117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 4903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:26,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 6817 Invalid, 5117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 4903 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-29 15:22:26,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28097 states. [2024-10-29 15:22:26,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28097 to 15545. [2024-10-29 15:22:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15545 states, 15493 states have (on average 2.026592654747305) internal successors, (31398), 15544 states have internal predecessors, (31398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15545 states to 15545 states and 31398 transitions. [2024-10-29 15:22:26,914 INFO L78 Accepts]: Start accepts. Automaton has 15545 states and 31398 transitions. Word has length 96 [2024-10-29 15:22:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:26,915 INFO L471 AbstractCegarLoop]: Abstraction has 15545 states and 31398 transitions. [2024-10-29 15:22:26,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.363636363636363) internal successors, (96), 23 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 15545 states and 31398 transitions. [2024-10-29 15:22:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-29 15:22:26,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:26,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:26,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-29 15:22:26,922 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:22:26,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1917076510, now seen corresponding path program 2 times [2024-10-29 15:22:26,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:26,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574618772] [2024-10-29 15:22:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:26,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:29,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:29,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574618772] [2024-10-29 15:22:29,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574618772] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:29,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:29,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2024-10-29 15:22:29,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817712589] [2024-10-29 15:22:29,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:29,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-29 15:22:29,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:29,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-29 15:22:29,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-10-29 15:22:29,151 INFO L87 Difference]: Start difference. First operand 15545 states and 31398 transitions. Second operand has 26 states, 25 states have (on average 3.84) internal successors, (96), 26 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:22:34,798 INFO L93 Difference]: Finished difference Result 33712 states and 68231 transitions. [2024-10-29 15:22:34,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-29 15:22:34,799 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.84) internal successors, (96), 26 states have internal predecessors, (96), 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) Word has length 96 [2024-10-29 15:22:34,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:22:34,874 INFO L225 Difference]: With dead ends: 33712 [2024-10-29 15:22:34,874 INFO L226 Difference]: Without dead ends: 33583 [2024-10-29 15:22:34,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=538, Invalid=2012, Unknown=0, NotChecked=0, Total=2550 [2024-10-29 15:22:34,890 INFO L432 NwaCegarLoop]: 655 mSDtfsCounter, 3054 mSDsluCounter, 8339 mSDsCounter, 0 mSdLazyCounter, 7486 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 8994 SdHoareTripleChecker+Invalid, 7558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 7486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-29 15:22:34,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 8994 Invalid, 7558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 7486 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-29 15:22:34,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33583 states. [2024-10-29 15:22:35,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33583 to 16653. [2024-10-29 15:22:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16653 states, 16601 states have (on average 2.034937654358171) internal successors, (33782), 16652 states have internal predecessors, (33782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16653 states to 16653 states and 33782 transitions. [2024-10-29 15:22:35,280 INFO L78 Accepts]: Start accepts. Automaton has 16653 states and 33782 transitions. Word has length 96 [2024-10-29 15:22:35,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:22:35,281 INFO L471 AbstractCegarLoop]: Abstraction has 16653 states and 33782 transitions. [2024-10-29 15:22:35,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.84) internal successors, (96), 26 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:22:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 16653 states and 33782 transitions. [2024-10-29 15:22:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-29 15:22:35,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:22:35,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:22:35,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-29 15:22:35,288 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reader_fnErr0ASSERT_VIOLATIONDATA_RACE === [reader_fnErr6ASSERT_VIOLATIONDATA_RACE, reader_fnErr0ASSERT_VIOLATIONDATA_RACE, reader_fnErr7ASSERT_VIOLATIONDATA_RACE, reader_fnErr1ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-10-29 15:22:35,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:22:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1590832797, now seen corresponding path program 3 times [2024-10-29 15:22:35,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:22:35,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85833060] [2024-10-29 15:22:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:22:35,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:22:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:22:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:22:36,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:22:36,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85833060] [2024-10-29 15:22:36,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85833060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:22:36,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:22:36,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-10-29 15:22:36,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872585056] [2024-10-29 15:22:36,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:22:36,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-29 15:22:36,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:22:36,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-29 15:22:36,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2024-10-29 15:22:36,885 INFO L87 Difference]: Start difference. First operand 16653 states and 33782 transitions. Second operand has 23 states, 22 states have (on average 4.363636363636363) internal successors, (96), 23 states have internal predecessors, (96), 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) Killed by 15