./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 573af40880ce1d61666f10a2729c7d6ecdb02e81781df2543efcfdd5788ab6d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:28,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:28,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 21:14:28,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:28,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:28,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:28,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:28,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:28,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:28,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:28,331 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:28,332 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:28,333 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:28,333 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:28,334 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:28,335 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:28,335 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:28,336 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:28,337 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:28,337 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:28,338 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:28,339 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:28,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:28,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:28,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:28,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:28,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:28,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:28,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:28,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:28,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:28,346 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:14:28,346 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:14:28,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:28,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:28,360 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:28,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:28,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:28,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:28,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:28,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:28,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:28,367 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:28,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:28,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:28,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:28,369 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:28,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:28,370 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573af40880ce1d61666f10a2729c7d6ecdb02e81781df2543efcfdd5788ab6d6 [2023-11-23 21:14:28,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:28,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:28,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:28,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:28,729 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:28,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2023-11-23 21:14:32,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:32,249 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:32,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/sv-benchmarks/c/weaver/popl20-more-max-array.wvr.c [2023-11-23 21:14:32,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/data/992c70f81/507d42af0b8a4cafb06047faebf1cbc8/FLAG4cea93827 [2023-11-23 21:14:32,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/data/992c70f81/507d42af0b8a4cafb06047faebf1cbc8 [2023-11-23 21:14:32,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:32,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:32,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:32,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:32,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:32,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c019d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32, skipping insertion in model container [2023-11-23 21:14:32,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:32,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:32,529 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:32,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:32,575 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:32,576 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:32,584 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:32,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32 WrapperNode [2023-11-23 21:14:32,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:32,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:32,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:32,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:32,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,645 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-23 21:14:32,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:32,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:32,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:32,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:32,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:32,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:32,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:32,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:32,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (1/1) ... [2023-11-23 21:14:32,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:32,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:32,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:32,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 21:14:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 21:14:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 21:14:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 21:14:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 21:14:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 21:14:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:14:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 21:14:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 21:14:32,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:14:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:32,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:14:32,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:32,797 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:14:32,951 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:32,954 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:33,738 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:34,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:34,057 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:14:34,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:34 BoogieIcfgContainer [2023-11-23 21:14:34,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:34,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:34,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:34,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:34,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:32" (1/3) ... [2023-11-23 21:14:34,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449840f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:34, skipping insertion in model container [2023-11-23 21:14:34,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:32" (2/3) ... [2023-11-23 21:14:34,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@449840f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:34, skipping insertion in model container [2023-11-23 21:14:34,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:34" (3/3) ... [2023-11-23 21:14:34,070 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array.wvr.c [2023-11-23 21:14:34,080 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:14:34,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:34,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-11-23 21:14:34,092 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:14:34,190 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-23 21:14:34,244 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 252 places, 255 transitions, 531 flow [2023-11-23 21:14:38,347 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 98985 states, 97743 states have (on average 4.021157525347084) internal successors, (393040), 98984 states have internal predecessors, (393040), 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) [2023-11-23 21:14:38,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:38,386 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f2f32cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:38,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-23 21:14:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 98985 states, 97743 states have (on average 4.021157525347084) internal successors, (393040), 98984 states have internal predecessors, (393040), 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) [2023-11-23 21:14:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:14:38,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:38,554 INFO L195 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] [2023-11-23 21:14:38,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:14:38,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:38,572 INFO L85 PathProgramCache]: Analyzing trace with hash 324532946, now seen corresponding path program 1 times [2023-11-23 21:14:38,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:38,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595036595] [2023-11-23 21:14:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:38,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:39,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:39,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595036595] [2023-11-23 21:14:39,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595036595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:39,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:39,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:39,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663381087] [2023-11-23 21:14:39,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:39,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:39,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:39,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:39,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:39,417 INFO L87 Difference]: Start difference. First operand has 98985 states, 97743 states have (on average 4.021157525347084) internal successors, (393040), 98984 states have internal predecessors, (393040), 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 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:40,769 INFO L93 Difference]: Finished difference Result 36992 states and 140495 transitions. [2023-11-23 21:14:40,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:40,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-23 21:14:40,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:41,481 INFO L225 Difference]: With dead ends: 36992 [2023-11-23 21:14:41,481 INFO L226 Difference]: Without dead ends: 36989 [2023-11-23 21:14:41,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:41,488 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 2 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:41,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 369 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:14:41,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36989 states. [2023-11-23 21:14:43,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36989 to 36989. [2023-11-23 21:14:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36989 states, 36948 states have (on average 3.802425029771571) internal successors, (140492), 36988 states have internal predecessors, (140492), 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) [2023-11-23 21:14:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36989 states to 36989 states and 140492 transitions. [2023-11-23 21:14:44,023 INFO L78 Accepts]: Start accepts. Automaton has 36989 states and 140492 transitions. Word has length 22 [2023-11-23 21:14:44,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:44,025 INFO L495 AbstractCegarLoop]: Abstraction has 36989 states and 140492 transitions. [2023-11-23 21:14:44,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand 36989 states and 140492 transitions. [2023-11-23 21:14:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:14:44,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:44,028 INFO L195 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] [2023-11-23 21:14:44,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:44,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:14:44,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:44,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1719453302, now seen corresponding path program 1 times [2023-11-23 21:14:44,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:44,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536468043] [2023-11-23 21:14:44,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:44,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:44,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:44,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536468043] [2023-11-23 21:14:44,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536468043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:44,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:44,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:44,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571692849] [2023-11-23 21:14:44,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:44,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:44,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:44,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:44,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:44,156 INFO L87 Difference]: Start difference. First operand 36989 states and 140492 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:45,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:45,101 INFO L93 Difference]: Finished difference Result 36988 states and 140491 transitions. [2023-11-23 21:14:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:45,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2023-11-23 21:14:45,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:45,454 INFO L225 Difference]: With dead ends: 36988 [2023-11-23 21:14:45,455 INFO L226 Difference]: Without dead ends: 36988 [2023-11-23 21:14:45,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:45,462 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 2 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:45,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 361 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:14:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36988 states. [2023-11-23 21:14:47,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36988 to 36988. [2023-11-23 21:14:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36988 states, 36948 states have (on average 3.802397964707156) internal successors, (140491), 36987 states have internal predecessors, (140491), 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) [2023-11-23 21:14:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36988 states to 36988 states and 140491 transitions. [2023-11-23 21:14:47,886 INFO L78 Accepts]: Start accepts. Automaton has 36988 states and 140491 transitions. Word has length 30 [2023-11-23 21:14:47,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:47,887 INFO L495 AbstractCegarLoop]: Abstraction has 36988 states and 140491 transitions. [2023-11-23 21:14:47,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36988 states and 140491 transitions. [2023-11-23 21:14:47,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 21:14:47,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:47,890 INFO L195 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] [2023-11-23 21:14:47,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:14:47,892 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:14:47,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:47,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1231106825, now seen corresponding path program 1 times [2023-11-23 21:14:47,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:47,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93184493] [2023-11-23 21:14:47,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:47,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:48,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:48,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93184493] [2023-11-23 21:14:48,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93184493] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:48,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:48,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:48,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436210755] [2023-11-23 21:14:48,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:48,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:48,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:48,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:48,016 INFO L87 Difference]: Start difference. First operand 36988 states and 140491 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:48,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:48,398 INFO L93 Difference]: Finished difference Result 32561 states and 123449 transitions. [2023-11-23 21:14:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:48,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2023-11-23 21:14:48,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:48,742 INFO L225 Difference]: With dead ends: 32561 [2023-11-23 21:14:48,742 INFO L226 Difference]: Without dead ends: 32561 [2023-11-23 21:14:48,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:48,751 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 159 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:48,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 212 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:48,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32561 states. [2023-11-23 21:14:50,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32561 to 32561. [2023-11-23 21:14:50,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32561 states, 32542 states have (on average 3.79352836334583) internal successors, (123449), 32560 states have internal predecessors, (123449), 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) [2023-11-23 21:14:50,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32561 states to 32561 states and 123449 transitions. [2023-11-23 21:14:50,811 INFO L78 Accepts]: Start accepts. Automaton has 32561 states and 123449 transitions. Word has length 34 [2023-11-23 21:14:50,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:50,811 INFO L495 AbstractCegarLoop]: Abstraction has 32561 states and 123449 transitions. [2023-11-23 21:14:50,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:14:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32561 states and 123449 transitions. [2023-11-23 21:14:50,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 21:14:50,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:50,815 INFO L195 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] [2023-11-23 21:14:50,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:14:50,816 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:14:50,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:50,817 INFO L85 PathProgramCache]: Analyzing trace with hash 272872926, now seen corresponding path program 1 times [2023-11-23 21:14:50,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:50,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075436439] [2023-11-23 21:14:50,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:50,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:52,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:52,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075436439] [2023-11-23 21:14:52,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075436439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:52,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:52,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:14:52,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944058739] [2023-11-23 21:14:52,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:52,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:14:52,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:52,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:14:52,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:14:52,143 INFO L87 Difference]: Start difference. First operand 32561 states and 123449 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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) [2023-11-23 21:14:52,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:52,520 INFO L93 Difference]: Finished difference Result 32560 states and 123448 transitions. [2023-11-23 21:14:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:14:52,520 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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 64 [2023-11-23 21:14:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:52,828 INFO L225 Difference]: With dead ends: 32560 [2023-11-23 21:14:52,828 INFO L226 Difference]: Without dead ends: 32560 [2023-11-23 21:14:52,829 INFO L412 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 [2023-11-23 21:14:52,830 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 6 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:52,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 329 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:14:52,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32560 states. [2023-11-23 21:14:54,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32560 to 32560. [2023-11-23 21:14:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32560 states, 32542 states have (on average 3.7934976338270543) internal successors, (123448), 32559 states have internal predecessors, (123448), 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) [2023-11-23 21:14:54,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32560 states to 32560 states and 123448 transitions. [2023-11-23 21:14:54,180 INFO L78 Accepts]: Start accepts. Automaton has 32560 states and 123448 transitions. Word has length 64 [2023-11-23 21:14:54,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:54,180 INFO L495 AbstractCegarLoop]: Abstraction has 32560 states and 123448 transitions. [2023-11-23 21:14:54,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 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) [2023-11-23 21:14:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 32560 states and 123448 transitions. [2023-11-23 21:14:54,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 21:14:54,182 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:54,183 INFO L195 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] [2023-11-23 21:14:54,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:14:54,183 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:14:54,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:54,184 INFO L85 PathProgramCache]: Analyzing trace with hash -61399772, now seen corresponding path program 1 times [2023-11-23 21:14:54,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:54,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159596372] [2023-11-23 21:14:54,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:54,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:54,233 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:54,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159596372] [2023-11-23 21:14:54,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159596372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:54,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:54,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:54,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891961014] [2023-11-23 21:14:54,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:54,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:54,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:54,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:54,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:54,236 INFO L87 Difference]: Start difference. First operand 32560 states and 123448 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2023-11-23 21:14:54,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:54,473 INFO L93 Difference]: Finished difference Result 32559 states and 123447 transitions. [2023-11-23 21:14:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:54,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2023-11-23 21:14:54,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:54,652 INFO L225 Difference]: With dead ends: 32559 [2023-11-23 21:14:54,652 INFO L226 Difference]: Without dead ends: 32559 [2023-11-23 21:14:54,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:54,654 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 2 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:54,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 361 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:54,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32559 states. [2023-11-23 21:14:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32559 to 32559. [2023-11-23 21:14:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32559 states, 32542 states have (on average 3.7934669043082785) internal successors, (123447), 32558 states have internal predecessors, (123447), 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) [2023-11-23 21:14:56,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32559 states to 32559 states and 123447 transitions. [2023-11-23 21:14:56,319 INFO L78 Accepts]: Start accepts. Automaton has 32559 states and 123447 transitions. Word has length 64 [2023-11-23 21:14:56,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:56,319 INFO L495 AbstractCegarLoop]: Abstraction has 32559 states and 123447 transitions. [2023-11-23 21:14:56,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 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) [2023-11-23 21:14:56,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32559 states and 123447 transitions. [2023-11-23 21:14:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 21:14:56,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:56,322 INFO L195 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] [2023-11-23 21:14:56,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:14:56,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:14:56,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:56,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1796568989, now seen corresponding path program 1 times [2023-11-23 21:14:56,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:56,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312251117] [2023-11-23 21:14:56,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:56,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:56,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:56,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312251117] [2023-11-23 21:14:56,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312251117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:56,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:56,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:56,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248893638] [2023-11-23 21:14:56,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:56,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:56,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:56,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:56,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:56,389 INFO L87 Difference]: Start difference. First operand 32559 states and 123447 transitions. Second operand has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-23 21:14:57,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:57,339 INFO L93 Difference]: Finished difference Result 28439 states and 107707 transitions. [2023-11-23 21:14:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:57,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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 68 [2023-11-23 21:14:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:57,505 INFO L225 Difference]: With dead ends: 28439 [2023-11-23 21:14:57,505 INFO L226 Difference]: Without dead ends: 28439 [2023-11-23 21:14:57,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:57,507 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 104 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:57,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 255 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:57,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28439 states. [2023-11-23 21:14:58,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28439 to 28439. [2023-11-23 21:14:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28439 states, 28434 states have (on average 3.787965112189632) internal successors, (107707), 28438 states have internal predecessors, (107707), 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) [2023-11-23 21:14:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28439 states to 28439 states and 107707 transitions. [2023-11-23 21:14:58,667 INFO L78 Accepts]: Start accepts. Automaton has 28439 states and 107707 transitions. Word has length 68 [2023-11-23 21:14:58,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:58,668 INFO L495 AbstractCegarLoop]: Abstraction has 28439 states and 107707 transitions. [2023-11-23 21:14:58,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-23 21:14:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 28439 states and 107707 transitions. [2023-11-23 21:14:58,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 21:14:58,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:58,683 INFO L195 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, 1, 1, 1, 1, 1] [2023-11-23 21:14:58,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:14:58,683 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:14:58,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:58,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1643369405, now seen corresponding path program 1 times [2023-11-23 21:14:58,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:58,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793996643] [2023-11-23 21:14:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:58,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:00,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:00,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793996643] [2023-11-23 21:15:00,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793996643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:00,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:00,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:15:00,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165595407] [2023-11-23 21:15:00,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:00,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:15:00,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:00,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:15:00,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:15:00,438 INFO L87 Difference]: Start difference. First operand 28439 states and 107707 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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) [2023-11-23 21:15:01,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:01,016 INFO L93 Difference]: Finished difference Result 25904 states and 97567 transitions. [2023-11-23 21:15:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:15:01,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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 101 [2023-11-23 21:15:01,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:01,165 INFO L225 Difference]: With dead ends: 25904 [2023-11-23 21:15:01,165 INFO L226 Difference]: Without dead ends: 25904 [2023-11-23 21:15:01,166 INFO L412 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 [2023-11-23 21:15:01,168 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 206 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:01,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 610 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:15:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25904 states. [2023-11-23 21:15:01,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25904 to 25904. [2023-11-23 21:15:01,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25904 states, 25900 states have (on average 3.7670656370656372) internal successors, (97567), 25903 states have internal predecessors, (97567), 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) [2023-11-23 21:15:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25904 states to 25904 states and 97567 transitions. [2023-11-23 21:15:02,564 INFO L78 Accepts]: Start accepts. Automaton has 25904 states and 97567 transitions. Word has length 101 [2023-11-23 21:15:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:02,565 INFO L495 AbstractCegarLoop]: Abstraction has 25904 states and 97567 transitions. [2023-11-23 21:15:02,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 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) [2023-11-23 21:15:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 25904 states and 97567 transitions. [2023-11-23 21:15:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 21:15:02,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:02,695 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:02,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 21:15:02,695 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:15:02,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:02,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1852674955, now seen corresponding path program 1 times [2023-11-23 21:15:02,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:02,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574302745] [2023-11-23 21:15:02,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:02,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:03,466 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:03,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574302745] [2023-11-23 21:15:03,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574302745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:03,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:03,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:15:03,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742352243] [2023-11-23 21:15:03,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:03,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:15:03,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:03,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:15:03,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:15:03,471 INFO L87 Difference]: Start difference. First operand 25904 states and 97567 transitions. Second operand has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 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) [2023-11-23 21:15:03,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:03,883 INFO L93 Difference]: Finished difference Result 25709 states and 96982 transitions. [2023-11-23 21:15:03,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:15:03,884 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 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 117 [2023-11-23 21:15:03,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:03,996 INFO L225 Difference]: With dead ends: 25709 [2023-11-23 21:15:03,996 INFO L226 Difference]: Without dead ends: 25709 [2023-11-23 21:15:03,996 INFO L412 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 [2023-11-23 21:15:03,998 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 143 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:03,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 521 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:15:04,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25709 states. [2023-11-23 21:15:04,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25709 to 25709. [2023-11-23 21:15:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25709 states, 25706 states have (on average 3.7727378822064885) internal successors, (96982), 25708 states have internal predecessors, (96982), 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) [2023-11-23 21:15:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25709 states to 25709 states and 96982 transitions. [2023-11-23 21:15:04,979 INFO L78 Accepts]: Start accepts. Automaton has 25709 states and 96982 transitions. Word has length 117 [2023-11-23 21:15:04,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:04,980 INFO L495 AbstractCegarLoop]: Abstraction has 25709 states and 96982 transitions. [2023-11-23 21:15:04,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 6 states have internal predecessors, (117), 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) [2023-11-23 21:15:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 25709 states and 96982 transitions. [2023-11-23 21:15:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 21:15:05,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:05,057 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:05,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 21:15:05,058 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:15:05,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:05,058 INFO L85 PathProgramCache]: Analyzing trace with hash -303690640, now seen corresponding path program 1 times [2023-11-23 21:15:05,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:05,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889591511] [2023-11-23 21:15:05,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:05,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:05,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889591511] [2023-11-23 21:15:05,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889591511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:05,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:05,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:15:05,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454961009] [2023-11-23 21:15:05,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:05,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:15:05,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:05,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:15:05,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:15:05,746 INFO L87 Difference]: Start difference. First operand 25709 states and 96982 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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) [2023-11-23 21:15:06,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:06,078 INFO L93 Difference]: Finished difference Result 25694 states and 96952 transitions. [2023-11-23 21:15:06,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:15:06,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 133 [2023-11-23 21:15:06,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:06,221 INFO L225 Difference]: With dead ends: 25694 [2023-11-23 21:15:06,221 INFO L226 Difference]: Without dead ends: 25694 [2023-11-23 21:15:06,221 INFO L412 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 [2023-11-23 21:15:06,222 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 72 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:06,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 579 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:15:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25694 states. [2023-11-23 21:15:07,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25694 to 25694. [2023-11-23 21:15:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25694 states, 25692 states have (on average 3.7736260314494783) internal successors, (96952), 25693 states have internal predecessors, (96952), 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) [2023-11-23 21:15:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25694 states to 25694 states and 96952 transitions. [2023-11-23 21:15:07,758 INFO L78 Accepts]: Start accepts. Automaton has 25694 states and 96952 transitions. Word has length 133 [2023-11-23 21:15:07,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:07,758 INFO L495 AbstractCegarLoop]: Abstraction has 25694 states and 96952 transitions. [2023-11-23 21:15:07,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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) [2023-11-23 21:15:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 25694 states and 96952 transitions. [2023-11-23 21:15:07,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:15:07,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:07,865 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:07,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 21:15:07,866 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:15:07,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:07,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1882659015, now seen corresponding path program 1 times [2023-11-23 21:15:07,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:07,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685522490] [2023-11-23 21:15:07,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:07,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:08,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:08,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685522490] [2023-11-23 21:15:08,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685522490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:08,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:08,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:08,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616483174] [2023-11-23 21:15:08,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:08,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:08,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:08,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:08,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:08,006 INFO L87 Difference]: Start difference. First operand 25694 states and 96952 transitions. Second operand has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 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) [2023-11-23 21:15:08,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:08,348 INFO L93 Difference]: Finished difference Result 25693 states and 96951 transitions. [2023-11-23 21:15:08,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:08,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 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 147 [2023-11-23 21:15:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:08,525 INFO L225 Difference]: With dead ends: 25693 [2023-11-23 21:15:08,525 INFO L226 Difference]: Without dead ends: 25693 [2023-11-23 21:15:08,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:08,527 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 3 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:08,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 347 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:08,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25693 states. [2023-11-23 21:15:09,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25693 to 25693. [2023-11-23 21:15:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25693 states, 25692 states have (on average 3.7735871088276505) internal successors, (96951), 25692 states have internal predecessors, (96951), 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) [2023-11-23 21:15:09,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25693 states to 25693 states and 96951 transitions. [2023-11-23 21:15:09,905 INFO L78 Accepts]: Start accepts. Automaton has 25693 states and 96951 transitions. Word has length 147 [2023-11-23 21:15:09,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:09,906 INFO L495 AbstractCegarLoop]: Abstraction has 25693 states and 96951 transitions. [2023-11-23 21:15:09,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 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) [2023-11-23 21:15:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 25693 states and 96951 transitions. [2023-11-23 21:15:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 21:15:09,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:09,979 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:09,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 21:15:09,980 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-23 21:15:09,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:09,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1054103695, now seen corresponding path program 1 times [2023-11-23 21:15:09,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:15:09,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513600742] [2023-11-23 21:15:09,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:09,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:15:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:15:10,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:15:10,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513600742] [2023-11-23 21:15:10,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513600742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:10,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:10,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:10,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728575535] [2023-11-23 21:15:10,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:10,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:15:10,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:15:10,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:15:10,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:10,065 INFO L87 Difference]: Start difference. First operand 25693 states and 96951 transitions. Second operand has 3 states, 2 states have (on average 74.5) internal successors, (149), 3 states have internal predecessors, (149), 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) [2023-11-23 21:15:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:10,319 INFO L93 Difference]: Finished difference Result 25692 states and 96950 transitions. [2023-11-23 21:15:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:15:10,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 74.5) internal successors, (149), 3 states have internal predecessors, (149), 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 149 [2023-11-23 21:15:10,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:10,321 INFO L225 Difference]: With dead ends: 25692 [2023-11-23 21:15:10,321 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:15:10,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:15:10,322 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:10,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:15:10,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:15:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:15:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-23 21:15:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:15:10,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2023-11-23 21:15:10,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:10,325 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:15:10,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 74.5) internal successors, (149), 3 states have internal predecessors, (149), 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) [2023-11-23 21:15:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:15:10,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:15:10,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-11-23 21:15:10,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-11-23 21:15:10,330 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-11-23 21:15:10,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-11-23 21:15:10,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-11-23 21:15:10,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-11-23 21:15:10,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-11-23 21:15:10,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-11-23 21:15:10,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-11-23 21:15:10,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-11-23 21:15:10,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-11-23 21:15:10,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-11-23 21:15:10,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-11-23 21:15:10,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-11-23 21:15:10,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-11-23 21:15:10,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-11-23 21:15:10,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-11-23 21:15:10,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-11-23 21:15:10,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-11-23 21:15:10,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-11-23 21:15:10,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-11-23 21:15:10,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-11-23 21:15:10,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-11-23 21:15:10,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-11-23 21:15:10,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-11-23 21:15:10,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-11-23 21:15:10,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-11-23 21:15:10,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-11-23 21:15:10,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-11-23 21:15:10,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-11-23 21:15:10,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-11-23 21:15:10,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-11-23 21:15:10,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-11-23 21:15:10,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-11-23 21:15:10,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-11-23 21:15:10,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2023-11-23 21:15:10,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-11-23 21:15:10,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-11-23 21:15:10,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-11-23 21:15:10,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-11-23 21:15:10,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-11-23 21:15:10,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-11-23 21:15:10,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-11-23 21:15:10,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-11-23 21:15:10,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-11-23 21:15:10,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-11-23 21:15:10,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-11-23 21:15:10,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-11-23 21:15:10,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-11-23 21:15:10,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-11-23 21:15:10,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-11-23 21:15:10,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-11-23 21:15:10,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-11-23 21:15:10,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-11-23 21:15:10,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-11-23 21:15:10,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-11-23 21:15:10,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-11-23 21:15:10,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-11-23 21:15:10,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-11-23 21:15:10,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-11-23 21:15:10,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 21:15:10,348 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:10,355 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 21:15:10,355 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:15:10,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:15:10 BasicIcfg [2023-11-23 21:15:10,360 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:15:10,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:15:10,361 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:15:10,361 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:15:10,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:34" (3/4) ... [2023-11-23 21:15:10,364 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:15:10,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 21:15:10,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-23 21:15:10,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-23 21:15:10,377 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-23 21:15:10,378 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 21:15:10,379 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:15:10,379 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:15:10,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:15:10,507 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:15:10,508 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:15:10,508 INFO L158 Benchmark]: Toolchain (without parser) took 38232.17ms. Allocated memory was 188.7MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 159.3MB in the beginning and 11.5GB in the end (delta: -11.4GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2023-11-23 21:15:10,509 INFO L158 Benchmark]: CDTParser took 1.54ms. Allocated memory is still 132.1MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:15:10,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.36ms. Allocated memory is still 188.7MB. Free memory was 159.1MB in the beginning and 150.2MB in the end (delta: 8.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-23 21:15:10,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.70ms. Allocated memory is still 188.7MB. Free memory was 150.2MB in the beginning and 148.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:15:10,510 INFO L158 Benchmark]: Boogie Preprocessor took 54.49ms. Allocated memory is still 188.7MB. Free memory was 147.8MB in the beginning and 144.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:15:10,511 INFO L158 Benchmark]: RCFGBuilder took 1357.81ms. Allocated memory is still 188.7MB. Free memory was 144.8MB in the beginning and 100.7MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 21:15:10,512 INFO L158 Benchmark]: TraceAbstraction took 36297.20ms. Allocated memory was 188.7MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 99.7MB in the beginning and 11.5GB in the end (delta: -11.4GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2023-11-23 21:15:10,513 INFO L158 Benchmark]: Witness Printer took 146.99ms. Allocated memory is still 14.1GB. Free memory was 11.5GB in the beginning and 11.5GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:15:10,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.54ms. Allocated memory is still 132.1MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.36ms. Allocated memory is still 188.7MB. Free memory was 159.1MB in the beginning and 150.2MB in the end (delta: 8.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.70ms. Allocated memory is still 188.7MB. Free memory was 150.2MB in the beginning and 148.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.49ms. Allocated memory is still 188.7MB. Free memory was 147.8MB in the beginning and 144.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1357.81ms. Allocated memory is still 188.7MB. Free memory was 144.8MB in the beginning and 100.7MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 36297.20ms. Allocated memory was 188.7MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 99.7MB in the beginning and 11.5GB in the end (delta: -11.4GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Witness Printer took 146.99ms. Allocated memory is still 14.1GB. Free memory was 11.5GB in the beginning and 11.5GB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 309 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 36.1s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 699 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 699 mSDsluCounter, 4293 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2023 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 421 IncrementalHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 2270 mSDtfsCounter, 421 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98985occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 918 ConstructedInterpolants, 0 QuantifiedInterpolants, 1290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:15:10,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e0a4fd0-8119-4fe2-a5f5-d3ef083f1b6a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE