./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91 --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 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:02,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:03,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-25 00:06:03,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:03,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:03,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:03,060 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:03,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:03,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:03,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:03,069 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:03,070 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:03,070 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:03,072 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:06:03,073 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:03,073 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:03,074 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:06:03,074 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:06:03,075 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:03,075 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:06:03,076 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:06:03,076 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:06:03,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:03,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:03,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:03,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:06:03,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:03,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:03,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:03,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:03,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:03,082 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-25 00:06:03,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-25 00:06:03,083 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:03,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:03,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:03,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:03,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:03,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:03,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:03,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:03,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:03,086 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:06:03,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:06:03,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:03,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:03,087 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:03,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:03,088 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_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa [2023-11-25 00:06:03,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:03,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:03,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:03,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:03,492 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:03,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2023-11-25 00:06:06,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:06,904 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:06,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2023-11-25 00:06:06,916 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/data/c007b4829/0a0b5e9d5d5441e6abb841e67ce2109a/FLAG123b51d60 [2023-11-25 00:06:06,940 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/data/c007b4829/0a0b5e9d5d5441e6abb841e67ce2109a [2023-11-25 00:06:06,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:06,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:06,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:06,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:06,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:06,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:06" (1/1) ... [2023-11-25 00:06:06,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0e1428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:06, skipping insertion in model container [2023-11-25 00:06:06,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:06" (1/1) ... [2023-11-25 00:06:06,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:07,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:07,333 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:07,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:07,390 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:07,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07 WrapperNode [2023-11-25 00:06:07,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:07,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:07,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:07,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:07,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,463 INFO L138 Inliner]: procedures = 25, calls = 38, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 343 [2023-11-25 00:06:07,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:07,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:07,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:07,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:07,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,490 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:07,535 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:07,535 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:07,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:07,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (1/1) ... [2023-11-25 00:06:07,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:07,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:07,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:07,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72b8ffea-99c1-41d9-aa06-c9126aff8a1c/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:07,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:06:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:06:07,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:06:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-25 00:06:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-25 00:06:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-25 00:06:07,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-25 00:06:07,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:06:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:06:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:07,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:07,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:06:07,641 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-25 00:06:07,769 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:07,771 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:08,608 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:08,633 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:08,633 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-25 00:06:08,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:08 BoogieIcfgContainer [2023-11-25 00:06:08,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:08,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:08,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:08,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:08,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:06" (1/3) ... [2023-11-25 00:06:08,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5248d47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:08, skipping insertion in model container [2023-11-25 00:06:08,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:07" (2/3) ... [2023-11-25 00:06:08,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5248d47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:08, skipping insertion in model container [2023-11-25 00:06:08,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:08" (3/3) ... [2023-11-25 00:06:08,649 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2023-11-25 00:06:08,658 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-25 00:06:08,672 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:08,672 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-25 00:06:08,672 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-25 00:06:08,862 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-25 00:06:08,920 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 430 places, 449 transitions, 912 flow [2023-11-25 00:06:13,342 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 99674 states, 99363 states have (on average 2.992713585539889) internal successors, (297365), 99673 states have internal predecessors, (297365), 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) [2023-11-25 00:06:13,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:13,404 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;@b062c5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:13,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-25 00:06:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand has 99674 states, 99363 states have (on average 2.992713585539889) internal successors, (297365), 99673 states have internal predecessors, (297365), 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) [2023-11-25 00:06:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-25 00:06:13,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:13,738 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] [2023-11-25 00:06:13,738 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)] === [2023-11-25 00:06:13,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:13,746 INFO L85 PathProgramCache]: Analyzing trace with hash -238933603, now seen corresponding path program 1 times [2023-11-25 00:06:13,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:13,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531765292] [2023-11-25 00:06:13,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:06:15,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:06:15,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531765292] [2023-11-25 00:06:15,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531765292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:15,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:15,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:06:15,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96749671] [2023-11-25 00:06:15,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:15,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:06:15,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:06:15,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:06:15,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:06:15,365 INFO L87 Difference]: Start difference. First operand has 99674 states, 99363 states have (on average 2.992713585539889) internal successors, (297365), 99673 states have internal predecessors, (297365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 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) [2023-11-25 00:06:17,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:17,511 INFO L93 Difference]: Finished difference Result 99672 states and 289375 transitions. [2023-11-25 00:06:17,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:06:17,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 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 46 [2023-11-25 00:06:17,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:18,521 INFO L225 Difference]: With dead ends: 99672 [2023-11-25 00:06:18,521 INFO L226 Difference]: Without dead ends: 99639 [2023-11-25 00:06:18,523 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 [2023-11-25 00:06:18,527 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 8 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:18,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1047 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-25 00:06:18,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99639 states. [2023-11-25 00:06:22,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99639 to 99639. [2023-11-25 00:06:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99639 states, 99180 states have (on average 2.916827989514015) internal successors, (289291), 99638 states have internal predecessors, (289291), 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) [2023-11-25 00:06:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99639 states to 99639 states and 289291 transitions. [2023-11-25 00:06:23,777 INFO L78 Accepts]: Start accepts. Automaton has 99639 states and 289291 transitions. Word has length 46 [2023-11-25 00:06:23,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:23,778 INFO L495 AbstractCegarLoop]: Abstraction has 99639 states and 289291 transitions. [2023-11-25 00:06:23,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 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) [2023-11-25 00:06:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 99639 states and 289291 transitions. [2023-11-25 00:06:23,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-25 00:06:23,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:23,780 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] [2023-11-25 00:06:23,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:06:23,781 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)] === [2023-11-25 00:06:23,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:23,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2110557148, now seen corresponding path program 1 times [2023-11-25 00:06:23,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:23,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279119992] [2023-11-25 00:06:23,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:23,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:06:23,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:06:23,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279119992] [2023-11-25 00:06:23,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279119992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:23,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:23,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:23,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817566544] [2023-11-25 00:06:23,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:23,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:23,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:06:23,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:23,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:23,860 INFO L87 Difference]: Start difference. First operand 99639 states and 289291 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-25 00:06:24,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:24,951 INFO L93 Difference]: Finished difference Result 99638 states and 289290 transitions. [2023-11-25 00:06:24,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:24,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 46 [2023-11-25 00:06:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:25,959 INFO L225 Difference]: With dead ends: 99638 [2023-11-25 00:06:25,959 INFO L226 Difference]: Without dead ends: 99638 [2023-11-25 00:06:25,965 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 [2023-11-25 00:06:25,967 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 2 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 775 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 [2023-11-25 00:06:25,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 775 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:26,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99638 states. [2023-11-25 00:06:28,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99638 to 99638. [2023-11-25 00:06:28,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99638 states, 99180 states have (on average 2.9168179068360556) internal successors, (289290), 99637 states have internal predecessors, (289290), 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) [2023-11-25 00:06:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99638 states to 99638 states and 289290 transitions. [2023-11-25 00:06:29,116 INFO L78 Accepts]: Start accepts. Automaton has 99638 states and 289290 transitions. Word has length 46 [2023-11-25 00:06:29,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:29,117 INFO L495 AbstractCegarLoop]: Abstraction has 99638 states and 289290 transitions. [2023-11-25 00:06:29,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-25 00:06:29,117 INFO L276 IsEmpty]: Start isEmpty. Operand 99638 states and 289290 transitions. [2023-11-25 00:06:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-25 00:06:29,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:29,121 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] [2023-11-25 00:06:29,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-25 00:06:29,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-25 00:06:29,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:29,122 INFO L85 PathProgramCache]: Analyzing trace with hash 524953959, now seen corresponding path program 1 times [2023-11-25 00:06:29,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:29,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855004263] [2023-11-25 00:06:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:29,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:06:29,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:06:29,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855004263] [2023-11-25 00:06:29,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855004263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:29,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:29,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:29,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673242011] [2023-11-25 00:06:29,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:29,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:29,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:06:29,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:29,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:29,203 INFO L87 Difference]: Start difference. First operand 99638 states and 289290 transitions. Second operand has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2023-11-25 00:06:30,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:30,572 INFO L93 Difference]: Finished difference Result 99637 states and 289289 transitions. [2023-11-25 00:06:30,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:30,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2023-11-25 00:06:30,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:31,127 INFO L225 Difference]: With dead ends: 99637 [2023-11-25 00:06:31,127 INFO L226 Difference]: Without dead ends: 99637 [2023-11-25 00:06:31,128 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 [2023-11-25 00:06:31,138 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 2 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 773 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 [2023-11-25 00:06:31,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 773 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:31,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99637 states. [2023-11-25 00:06:34,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99637 to 99637. [2023-11-25 00:06:34,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99637 states, 99180 states have (on average 2.9168078241580964) internal successors, (289289), 99636 states have internal predecessors, (289289), 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) [2023-11-25 00:06:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99637 states to 99637 states and 289289 transitions. [2023-11-25 00:06:34,787 INFO L78 Accepts]: Start accepts. Automaton has 99637 states and 289289 transitions. Word has length 78 [2023-11-25 00:06:34,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:34,788 INFO L495 AbstractCegarLoop]: Abstraction has 99637 states and 289289 transitions. [2023-11-25 00:06:34,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2023-11-25 00:06:34,788 INFO L276 IsEmpty]: Start isEmpty. Operand 99637 states and 289289 transitions. [2023-11-25 00:06:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-25 00:06:34,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:34,792 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] [2023-11-25 00:06:34,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-25 00:06:34,793 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-25 00:06:34,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:34,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1321957302, now seen corresponding path program 1 times [2023-11-25 00:06:34,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:34,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789513655] [2023-11-25 00:06:34,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:34,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:06:34,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:06:34,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789513655] [2023-11-25 00:06:34,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789513655] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:34,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:34,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:34,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363520351] [2023-11-25 00:06:34,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:34,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:34,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:06:34,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:34,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:34,869 INFO L87 Difference]: Start difference. First operand 99637 states and 289289 transitions. Second operand has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 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) [2023-11-25 00:06:36,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:36,152 INFO L93 Difference]: Finished difference Result 99636 states and 289288 transitions. [2023-11-25 00:06:36,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:36,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 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 85 [2023-11-25 00:06:36,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:36,550 INFO L225 Difference]: With dead ends: 99636 [2023-11-25 00:06:36,550 INFO L226 Difference]: Without dead ends: 99636 [2023-11-25 00:06:36,550 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 [2023-11-25 00:06:36,551 INFO L413 NwaCegarLoop]: 391 mSDtfsCounter, 2 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 771 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 [2023-11-25 00:06:36,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 771 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:36,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99636 states. [2023-11-25 00:06:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99636 to 99636. [2023-11-25 00:06:39,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99636 states, 99180 states have (on average 2.916797741480137) internal successors, (289288), 99635 states have internal predecessors, (289288), 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) [2023-11-25 00:06:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99636 states to 99636 states and 289288 transitions. [2023-11-25 00:06:40,777 INFO L78 Accepts]: Start accepts. Automaton has 99636 states and 289288 transitions. Word has length 85 [2023-11-25 00:06:40,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:40,778 INFO L495 AbstractCegarLoop]: Abstraction has 99636 states and 289288 transitions. [2023-11-25 00:06:40,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 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) [2023-11-25 00:06:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 99636 states and 289288 transitions. [2023-11-25 00:06:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-25 00:06:40,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:40,781 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] [2023-11-25 00:06:40,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-25 00:06:40,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-25 00:06:40,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:40,783 INFO L85 PathProgramCache]: Analyzing trace with hash -821058799, now seen corresponding path program 1 times [2023-11-25 00:06:40,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:40,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090812505] [2023-11-25 00:06:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:06:40,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:06:40,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090812505] [2023-11-25 00:06:40,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090812505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:40,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:40,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:40,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173862317] [2023-11-25 00:06:40,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:40,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:40,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:06:40,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:40,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:40,853 INFO L87 Difference]: Start difference. First operand 99636 states and 289288 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 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) [2023-11-25 00:06:41,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:41,421 INFO L93 Difference]: Finished difference Result 99635 states and 289287 transitions. [2023-11-25 00:06:41,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:41,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 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 92 [2023-11-25 00:06:41,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:41,723 INFO L225 Difference]: With dead ends: 99635 [2023-11-25 00:06:41,723 INFO L226 Difference]: Without dead ends: 99635 [2023-11-25 00:06:41,723 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 [2023-11-25 00:06:41,724 INFO L413 NwaCegarLoop]: 390 mSDtfsCounter, 2 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 769 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 [2023-11-25 00:06:41,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 769 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:41,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99635 states. [2023-11-25 00:06:44,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99635 to 99635. [2023-11-25 00:06:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99635 states, 99180 states have (on average 2.916787658802178) internal successors, (289287), 99634 states have internal predecessors, (289287), 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) [2023-11-25 00:06:45,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99635 states to 99635 states and 289287 transitions. [2023-11-25 00:06:45,271 INFO L78 Accepts]: Start accepts. Automaton has 99635 states and 289287 transitions. Word has length 92 [2023-11-25 00:06:45,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:45,271 INFO L495 AbstractCegarLoop]: Abstraction has 99635 states and 289287 transitions. [2023-11-25 00:06:45,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 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) [2023-11-25 00:06:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 99635 states and 289287 transitions. [2023-11-25 00:06:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-25 00:06:45,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:45,274 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] [2023-11-25 00:06:45,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-25 00:06:45,275 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-25 00:06:45,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:45,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1915804808, now seen corresponding path program 1 times [2023-11-25 00:06:45,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:45,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027897435] [2023-11-25 00:06:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:45,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:06:45,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:06:45,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027897435] [2023-11-25 00:06:45,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027897435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:45,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:45,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:45,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158234483] [2023-11-25 00:06:45,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:45,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:45,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:06:45,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:45,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:45,337 INFO L87 Difference]: Start difference. First operand 99635 states and 289287 transitions. Second operand has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 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) [2023-11-25 00:06:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:45,900 INFO L93 Difference]: Finished difference Result 97650 states and 283524 transitions. [2023-11-25 00:06:46,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:46,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 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 [2023-11-25 00:06:46,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:47,293 INFO L225 Difference]: With dead ends: 97650 [2023-11-25 00:06:47,294 INFO L226 Difference]: Without dead ends: 97650 [2023-11-25 00:06:47,294 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 [2023-11-25 00:06:47,296 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 263 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:47,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 566 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:06:47,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97650 states. [2023-11-25 00:06:49,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97650 to 97650. [2023-11-25 00:06:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97650 states, 97254 states have (on average 2.915293972484422) internal successors, (283524), 97649 states have internal predecessors, (283524), 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) [2023-11-25 00:06:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97650 states to 97650 states and 283524 transitions. [2023-11-25 00:06:50,228 INFO L78 Accepts]: Start accepts. Automaton has 97650 states and 283524 transitions. Word has length 101 [2023-11-25 00:06:50,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:06:50,228 INFO L495 AbstractCegarLoop]: Abstraction has 97650 states and 283524 transitions. [2023-11-25 00:06:50,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 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) [2023-11-25 00:06:50,229 INFO L276 IsEmpty]: Start isEmpty. Operand 97650 states and 283524 transitions. [2023-11-25 00:06:50,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-25 00:06:50,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:50,230 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] [2023-11-25 00:06:50,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-25 00:06:50,231 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-25 00:06:50,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:50,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1470458961, now seen corresponding path program 1 times [2023-11-25 00:06:50,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:50,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192402097] [2023-11-25 00:06:50,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:50,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-25 00:06:50,286 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:06:50,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192402097] [2023-11-25 00:06:50,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192402097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:06:50,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:06:50,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:06:50,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817096132] [2023-11-25 00:06:50,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:06:50,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:06:50,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:06:50,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:06:50,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:06:50,288 INFO L87 Difference]: Start difference. First operand 97650 states and 283524 transitions. Second operand has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 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) [2023-11-25 00:06:51,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:06:51,760 INFO L93 Difference]: Finished difference Result 95685 states and 277819 transitions. [2023-11-25 00:06:51,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:06:51,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 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 107 [2023-11-25 00:06:51,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:06:52,009 INFO L225 Difference]: With dead ends: 95685 [2023-11-25 00:06:52,010 INFO L226 Difference]: Without dead ends: 95685 [2023-11-25 00:06:52,010 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 [2023-11-25 00:06:52,011 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 261 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:06:52,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 562 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]