./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh --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 b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:02:17,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:02:17,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 18:02:17,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:02:17,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:02:17,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:02:17,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:02:17,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:02:17,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:02:17,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:02:17,972 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:02:17,972 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:02:17,973 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:02:17,973 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:02:17,974 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:02:17,974 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:02:17,975 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:02:17,975 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:02:17,976 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:02:17,976 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:02:17,977 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:02:17,978 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:02:17,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:02:17,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:02:17,979 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:02:17,980 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:02:17,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:02:17,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:02:17,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:02:17,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:02:17,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:02:17,982 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 18:02:17,983 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 18:02:17,983 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:02:17,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:02:17,983 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:02:17,983 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:02:17,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:02:17,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:02:17,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:02:17,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:02:17,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:02:17,985 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:02:17,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:02:17,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:02:17,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:02:17,986 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:02:17,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:02:17,986 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_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1e99af7c76570461a4b0ac70d664412f250ec04f47fd9ca8c0f85236f1348c6 [2023-12-02 18:02:18,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:02:18,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:02:18,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:02:18,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:02:18,207 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:02:18,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-12-02 18:02:20,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:02:21,155 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:02:21,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/sv-benchmarks/c/weaver/parallel-parallel-sum-1.wvr.c [2023-12-02 18:02:21,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/data/f6b16ff62/a593e06db9c2435c936f537e46cd4537/FLAG23c33fbfa [2023-12-02 18:02:21,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/data/f6b16ff62/a593e06db9c2435c936f537e46cd4537 [2023-12-02 18:02:21,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:02:21,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:02:21,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:02:21,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:02:21,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:02:21,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1644c50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21, skipping insertion in model container [2023-12-02 18:02:21,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:02:21,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:02:21,414 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:02:21,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:02:21,458 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:02:21,458 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 18:02:21,464 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:02:21,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21 WrapperNode [2023-12-02 18:02:21,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:02:21,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:02:21,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:02:21,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:02:21,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,524 INFO L138 Inliner]: procedures = 27, calls = 69, calls flagged for inlining = 19, calls inlined = 25, statements flattened = 558 [2023-12-02 18:02:21,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:02:21,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:02:21,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:02:21,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:02:21,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:02:21,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:02:21,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:02:21,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:02:21,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (1/1) ... [2023-12-02 18:02:21,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:02:21,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:02:21,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:02:21,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12c05fbb-d0f0-4b18-b504-92d943e80f59/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:02:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:02:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 18:02:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:02:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:02:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 18:02:21,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 18:02:21,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 18:02:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 18:02:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 18:02:21,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 18:02:21,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 18:02:21,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 18:02:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:02:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 18:02:21,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 18:02:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 18:02:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:02:21,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:02:21,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 18:02:21,667 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 18:02:21,813 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:02:21,815 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:02:22,559 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:02:22,944 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:02:22,945 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-12-02 18:02:22,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:22 BoogieIcfgContainer [2023-12-02 18:02:22,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:02:22,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:02:22,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:02:22,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:02:22,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:02:21" (1/3) ... [2023-12-02 18:02:22,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d13eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:02:22, skipping insertion in model container [2023-12-02 18:02:22,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:02:21" (2/3) ... [2023-12-02 18:02:22,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d13eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:02:22, skipping insertion in model container [2023-12-02 18:02:22,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:02:22" (3/3) ... [2023-12-02 18:02:22,954 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2023-12-02 18:02:22,961 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 18:02:22,969 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:02:22,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2023-12-02 18:02:22,969 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 18:02:23,056 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-12-02 18:02:23,091 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 412 places, 419 transitions, 866 flow [2023-12-02 18:03:33,561 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2090889 states, 2047508 states have (on average 5.126660310973144) internal successors, (10496878), 2090888 states have internal predecessors, (10496878), 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) [2023-12-02 18:03:33,580 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:03:33,597 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;@6d51d53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:03:33,598 INFO L358 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2023-12-02 18:03:37,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 2090889 states, 2047508 states have (on average 5.126660310973144) internal successors, (10496878), 2090888 states have internal predecessors, (10496878), 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) [2023-12-02 18:03:37,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 18:03:37,732 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:03:37,733 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] [2023-12-02 18:03:37,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-12-02 18:03:37,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:03:37,739 INFO L85 PathProgramCache]: Analyzing trace with hash 524621875, now seen corresponding path program 1 times [2023-12-02 18:03:37,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:03:37,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752744740] [2023-12-02 18:03:37,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:03:37,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:03:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:03:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:03:37,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:03:37,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752744740] [2023-12-02 18:03:37,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752744740] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:03:37,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:03:37,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:03:37,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042401879] [2023-12-02 18:03:37,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:03:37,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:03:37,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:03:37,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:03:37,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:03:41,519 INFO L87 Difference]: Start difference. First operand has 2090889 states, 2047508 states have (on average 5.126660310973144) internal successors, (10496878), 2090888 states have internal predecessors, (10496878), 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 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-12-02 18:03:48,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:03:48,044 INFO L93 Difference]: Finished difference Result 116883 states and 555038 transitions. [2023-12-02 18:03:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:03:48,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2023-12-02 18:03:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:03:48,969 INFO L225 Difference]: With dead ends: 116883 [2023-12-02 18:03:48,969 INFO L226 Difference]: Without dead ends: 116879 [2023-12-02 18:03:48,971 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 [2023-12-02 18:03:48,974 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 2 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:03:48,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 616 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:03:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116879 states. [2023-12-02 18:03:53,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116879 to 116879. [2023-12-02 18:03:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116879 states, 116850 states have (on average 4.749970047068892) internal successors, (555034), 116878 states have internal predecessors, (555034), 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) [2023-12-02 18:03:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116879 states to 116879 states and 555034 transitions. [2023-12-02 18:03:55,115 INFO L78 Accepts]: Start accepts. Automaton has 116879 states and 555034 transitions. Word has length 28 [2023-12-02 18:03:55,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:03:55,116 INFO L495 AbstractCegarLoop]: Abstraction has 116879 states and 555034 transitions. [2023-12-02 18:03:55,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-12-02 18:03:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand 116879 states and 555034 transitions. [2023-12-02 18:03:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 18:03:55,118 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:03:55,118 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] [2023-12-02 18:03:55,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:03:55,119 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-12-02 18:03:55,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:03:55,120 INFO L85 PathProgramCache]: Analyzing trace with hash 242826490, now seen corresponding path program 1 times [2023-12-02 18:03:55,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:03:55,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340445165] [2023-12-02 18:03:55,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:03:55,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:03:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:03:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:03:55,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:03:55,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340445165] [2023-12-02 18:03:55,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340445165] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:03:55,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:03:55,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:03:55,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200982955] [2023-12-02 18:03:55,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:03:55,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:03:55,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:03:55,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:03:55,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:03:55,317 INFO L87 Difference]: Start difference. First operand 116879 states and 555034 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-12-02 18:03:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:03:57,039 INFO L93 Difference]: Finished difference Result 116878 states and 555033 transitions. [2023-12-02 18:03:57,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:03:57,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2023-12-02 18:03:57,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:03:57,820 INFO L225 Difference]: With dead ends: 116878 [2023-12-02 18:03:57,820 INFO L226 Difference]: Without dead ends: 116878 [2023-12-02 18:03:57,821 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 [2023-12-02 18:03:57,823 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 2 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:03:57,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 609 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:03:58,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116878 states. [2023-12-02 18:04:01,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116878 to 116878. [2023-12-02 18:04:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116878 states, 116850 states have (on average 4.749961489088575) internal successors, (555033), 116877 states have internal predecessors, (555033), 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) [2023-12-02 18:04:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116878 states to 116878 states and 555033 transitions. [2023-12-02 18:04:03,052 INFO L78 Accepts]: Start accepts. Automaton has 116878 states and 555033 transitions. Word has length 36 [2023-12-02 18:04:03,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:04:03,053 INFO L495 AbstractCegarLoop]: Abstraction has 116878 states and 555033 transitions. [2023-12-02 18:04:03,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2023-12-02 18:04:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 116878 states and 555033 transitions. [2023-12-02 18:04:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 18:04:03,054 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:04:03,055 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] [2023-12-02 18:04:03,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 18:04:03,055 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-12-02 18:04:03,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:04:03,056 INFO L85 PathProgramCache]: Analyzing trace with hash 784501546, now seen corresponding path program 1 times [2023-12-02 18:04:03,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:04:03,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123310977] [2023-12-02 18:04:03,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:04:03,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:04:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:04:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:04:03,132 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:04:03,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123310977] [2023-12-02 18:04:03,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123310977] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:04:03,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:04:03,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:04:03,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511819293] [2023-12-02 18:04:03,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:04:03,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:04:03,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:04:03,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:04:03,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:04:03,135 INFO L87 Difference]: Start difference. First operand 116878 states and 555033 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-12-02 18:04:04,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:04:04,826 INFO L93 Difference]: Finished difference Result 116877 states and 555032 transitions. [2023-12-02 18:04:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:04:04,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2023-12-02 18:04:04,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:04:05,869 INFO L225 Difference]: With dead ends: 116877 [2023-12-02 18:04:05,870 INFO L226 Difference]: Without dead ends: 116877 [2023-12-02 18:04:05,870 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 [2023-12-02 18:04:05,871 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 2 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:04:05,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 613 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:04:06,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116877 states. [2023-12-02 18:04:09,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116877 to 116877. [2023-12-02 18:04:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116877 states, 116850 states have (on average 4.7499529311082584) internal successors, (555032), 116876 states have internal predecessors, (555032), 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) [2023-12-02 18:04:10,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116877 states to 116877 states and 555032 transitions. [2023-12-02 18:04:10,878 INFO L78 Accepts]: Start accepts. Automaton has 116877 states and 555032 transitions. Word has length 44 [2023-12-02 18:04:10,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:04:10,878 INFO L495 AbstractCegarLoop]: Abstraction has 116877 states and 555032 transitions. [2023-12-02 18:04:10,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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) [2023-12-02 18:04:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 116877 states and 555032 transitions. [2023-12-02 18:04:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 18:04:10,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:04:10,880 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] [2023-12-02 18:04:10,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 18:04:10,880 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-12-02 18:04:10,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:04:10,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1129643101, now seen corresponding path program 1 times [2023-12-02 18:04:10,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:04:10,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95665909] [2023-12-02 18:04:10,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:04:10,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:04:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:04:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 18:04:10,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:04:10,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95665909] [2023-12-02 18:04:10,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95665909] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:04:10,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:04:10,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:04:10,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159597656] [2023-12-02 18:04:10,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:04:10,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:04:10,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:04:10,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:04:10,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:04:10,989 INFO L87 Difference]: Start difference. First operand 116877 states and 555032 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2023-12-02 18:04:12,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:04:12,511 INFO L93 Difference]: Finished difference Result 116876 states and 555031 transitions. [2023-12-02 18:04:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:04:12,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 52 [2023-12-02 18:04:12,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:04:13,337 INFO L225 Difference]: With dead ends: 116876 [2023-12-02 18:04:13,337 INFO L226 Difference]: Without dead ends: 116876 [2023-12-02 18:04:13,338 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 [2023-12-02 18:04:13,339 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 2 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:04:13,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 611 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:04:13,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116876 states.