./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX --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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:42:20,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:42:20,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-12 00:42:20,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:42:20,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:42:20,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:42:20,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:42:20,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:42:20,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:42:20,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:42:20,937 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:42:20,938 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:42:20,938 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:42:20,940 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:42:20,940 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:42:20,941 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:42:20,941 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:42:20,942 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:42:20,942 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:42:20,943 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:42:20,943 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:42:20,944 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:42:20,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:42:20,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:42:20,946 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:42:20,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:42:20,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:42:20,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:42:20,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:42:20,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:42:20,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:42:20,950 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 00:42:20,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:42:20,950 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:42:20,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:42:20,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:42:20,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:42:20,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:42:20,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:20,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:42:20,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:42:20,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:42:20,953 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:42:20,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:42:20,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:42:20,954 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:42:20,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:42:20,955 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_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2023-11-12 00:42:21,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:42:21,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:42:21,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:42:21,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:42:21,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:42:21,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2023-11-12 00:42:24,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:42:24,849 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:42:24,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2023-11-12 00:42:24,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/data/cef608ae1/5a8e38fe3caa46fdacc7db27a7684100/FLAG38257eafd [2023-11-12 00:42:24,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/data/cef608ae1/5a8e38fe3caa46fdacc7db27a7684100 [2023-11-12 00:42:24,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:42:24,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:42:24,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:24,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:42:24,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:42:24,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:24" (1/1) ... [2023-11-12 00:42:24,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c617920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:24, skipping insertion in model container [2023-11-12 00:42:24,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:42:24" (1/1) ... [2023-11-12 00:42:24,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:42:25,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:25,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:42:25,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:25,515 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:42:25,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25 WrapperNode [2023-11-12 00:42:25,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:25,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:25,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:42:25,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:42:25,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,607 INFO L138 Inliner]: procedures = 162, calls = 47, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 114 [2023-11-12 00:42:25,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:25,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:42:25,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:42:25,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:42:25,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:42:25,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:42:25,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:42:25,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:42:25,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (1/1) ... [2023-11-12 00:42:25,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:25,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:25,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:42:25,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:42:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:42:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:42:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:42:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:42:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:42:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 00:42:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 00:42:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:42:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:42:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:42:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:42:25,778 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:42:25,922 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:42:25,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:42:26,272 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:42:26,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:42:26,283 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:42:26,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:26 BoogieIcfgContainer [2023-11-12 00:42:26,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:42:26,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:42:26,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:42:26,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:42:26,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:42:24" (1/3) ... [2023-11-12 00:42:26,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d743e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:26, skipping insertion in model container [2023-11-12 00:42:26,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:25" (2/3) ... [2023-11-12 00:42:26,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d743e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:26, skipping insertion in model container [2023-11-12 00:42:26,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:26" (3/3) ... [2023-11-12 00:42:26,295 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2023-11-12 00:42:26,304 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:42:26,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:42:26,322 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-11-12 00:42:26,322 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:42:26,420 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 00:42:26,477 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:42:26,492 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 205 transitions, 417 flow [2023-11-12 00:42:26,495 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 205 transitions, 417 flow [2023-11-12 00:42:26,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 201 places, 205 transitions, 417 flow [2023-11-12 00:42:26,595 INFO L124 PetriNetUnfolderBase]: 8/204 cut-off events. [2023-11-12 00:42:26,596 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 00:42:26,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 204 events. 8/204 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 278 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 160. Up to 2 conditions per place. [2023-11-12 00:42:26,612 INFO L119 LiptonReduction]: Number of co-enabled transitions 12350 [2023-11-12 00:42:33,259 INFO L134 LiptonReduction]: Checked pairs total: 109885 [2023-11-12 00:42:33,260 INFO L136 LiptonReduction]: Total number of compositions: 239 [2023-11-12 00:42:33,277 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 75 transitions, 157 flow [2023-11-12 00:42:33,364 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1146 states, 1093 states have (on average 2.1683440073193045) internal successors, (2370), 1145 states have internal predecessors, (2370), 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) [2023-11-12 00:42:33,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:42:33,398 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;@2c16ef4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:42:33,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2023-11-12 00:42:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 1146 states, 1093 states have (on average 2.1683440073193045) internal successors, (2370), 1145 states have internal predecessors, (2370), 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) [2023-11-12 00:42:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-12 00:42:33,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:33,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-12 00:42:33,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:33,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash 736413, now seen corresponding path program 1 times [2023-11-12 00:42:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:33,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351229798] [2023-11-12 00:42:33,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:33,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:33,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351229798] [2023-11-12 00:42:33,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351229798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:33,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:33,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 00:42:33,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376241913] [2023-11-12 00:42:33,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:33,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:42:33,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:33,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:42:33,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:42:33,793 INFO L87 Difference]: Start difference. First operand has 1146 states, 1093 states have (on average 2.1683440073193045) internal successors, (2370), 1145 states have internal predecessors, (2370), 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 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-12 00:42:33,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:33,935 INFO L93 Difference]: Finished difference Result 989 states and 1913 transitions. [2023-11-12 00:42:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:42:33,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-12 00:42:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:33,967 INFO L225 Difference]: With dead ends: 989 [2023-11-12 00:42:33,968 INFO L226 Difference]: Without dead ends: 977 [2023-11-12 00:42:33,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:42:33,974 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:33,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:34,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2023-11-12 00:42:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2023-11-12 00:42:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 953 states have (on average 1.9821615949632738) internal successors, (1889), 976 states have internal predecessors, (1889), 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) [2023-11-12 00:42:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1889 transitions. [2023-11-12 00:42:34,090 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1889 transitions. Word has length 3 [2023-11-12 00:42:34,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:34,090 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1889 transitions. [2023-11-12 00:42:34,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2023-11-12 00:42:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1889 transitions. [2023-11-12 00:42:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:42:34,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:34,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 00:42:34,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:42:34,092 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:34,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:34,093 INFO L85 PathProgramCache]: Analyzing trace with hash 459966236, now seen corresponding path program 1 times [2023-11-12 00:42:34,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:34,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236144227] [2023-11-12 00:42:34,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:34,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:34,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:34,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236144227] [2023-11-12 00:42:34,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236144227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:34,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:34,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:42:34,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350267048] [2023-11-12 00:42:34,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:34,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:42:34,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:34,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:42:34,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:42:34,233 INFO L87 Difference]: Start difference. First operand 977 states and 1889 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-12 00:42:34,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:34,392 INFO L93 Difference]: Finished difference Result 1571 states and 3021 transitions. [2023-11-12 00:42:34,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:42:34,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-12 00:42:34,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:34,403 INFO L225 Difference]: With dead ends: 1571 [2023-11-12 00:42:34,403 INFO L226 Difference]: Without dead ends: 1538 [2023-11-12 00:42:34,404 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 [2023-11-12 00:42:34,406 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 51 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:34,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 42 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:34,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2023-11-12 00:42:34,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1022. [2023-11-12 00:42:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 998 states have (on average 1.970941883767535) internal successors, (1967), 1021 states have internal predecessors, (1967), 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) [2023-11-12 00:42:34,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1967 transitions. [2023-11-12 00:42:34,459 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1967 transitions. Word has length 6 [2023-11-12 00:42:34,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:34,459 INFO L495 AbstractCegarLoop]: Abstraction has 1022 states and 1967 transitions. [2023-11-12 00:42:34,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-12 00:42:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1967 transitions. [2023-11-12 00:42:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:42:34,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:34,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:34,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:42:34,466 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:34,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:34,467 INFO L85 PathProgramCache]: Analyzing trace with hash -712647546, now seen corresponding path program 1 times [2023-11-12 00:42:34,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:34,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493939499] [2023-11-12 00:42:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:34,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:34,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:34,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493939499] [2023-11-12 00:42:34,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493939499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:34,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:34,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:42:34,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156461034] [2023-11-12 00:42:34,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:34,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:42:34,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:34,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:42:34,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:42:34,575 INFO L87 Difference]: Start difference. First operand 1022 states and 1967 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-12 00:42:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:34,712 INFO L93 Difference]: Finished difference Result 1058 states and 2037 transitions. [2023-11-12 00:42:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:42:34,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-11-12 00:42:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:34,722 INFO L225 Difference]: With dead ends: 1058 [2023-11-12 00:42:34,722 INFO L226 Difference]: Without dead ends: 1058 [2023-11-12 00:42:34,723 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 [2023-11-12 00:42:34,726 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 27 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:34,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 40 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:34,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2023-11-12 00:42:34,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 1034. [2023-11-12 00:42:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 1013 states have (on average 1.964461994076999) internal successors, (1990), 1033 states have internal predecessors, (1990), 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) [2023-11-12 00:42:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1990 transitions. [2023-11-12 00:42:34,765 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1990 transitions. Word has length 8 [2023-11-12 00:42:34,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:34,765 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1990 transitions. [2023-11-12 00:42:34,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-12 00:42:34,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1990 transitions. [2023-11-12 00:42:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:42:34,767 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:34,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:34,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:42:34,768 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:34,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:34,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1664771585, now seen corresponding path program 1 times [2023-11-12 00:42:34,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:34,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472181141] [2023-11-12 00:42:34,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:34,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:34,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:34,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472181141] [2023-11-12 00:42:34,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472181141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:34,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:34,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:42:34,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596496439] [2023-11-12 00:42:34,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:34,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:34,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:34,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:34,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:34,976 INFO L87 Difference]: Start difference. First operand 1034 states and 1990 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-12 00:42:35,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:35,166 INFO L93 Difference]: Finished difference Result 687 states and 1242 transitions. [2023-11-12 00:42:35,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:35,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2023-11-12 00:42:35,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:35,171 INFO L225 Difference]: With dead ends: 687 [2023-11-12 00:42:35,171 INFO L226 Difference]: Without dead ends: 687 [2023-11-12 00:42:35,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:35,173 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 120 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:35,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 34 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 00:42:35,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2023-11-12 00:42:35,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 644. [2023-11-12 00:42:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 631 states have (on average 1.879556259904913) internal successors, (1186), 643 states have internal predecessors, (1186), 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) [2023-11-12 00:42:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1186 transitions. [2023-11-12 00:42:35,196 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1186 transitions. Word has length 11 [2023-11-12 00:42:35,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:35,196 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 1186 transitions. [2023-11-12 00:42:35,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-12 00:42:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1186 transitions. [2023-11-12 00:42:35,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:42:35,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:35,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:35,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:42:35,198 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:35,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:35,198 INFO L85 PathProgramCache]: Analyzing trace with hash -214356178, now seen corresponding path program 1 times [2023-11-12 00:42:35,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:35,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995291128] [2023-11-12 00:42:35,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:35,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:35,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:35,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:35,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995291128] [2023-11-12 00:42:35,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995291128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:35,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:35,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:42:35,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687048619] [2023-11-12 00:42:35,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:35,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:42:35,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:35,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:42:35,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:42:35,238 INFO L87 Difference]: Start difference. First operand 644 states and 1186 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-12 00:42:35,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:35,328 INFO L93 Difference]: Finished difference Result 650 states and 1197 transitions. [2023-11-12 00:42:35,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:42:35,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2023-11-12 00:42:35,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:35,333 INFO L225 Difference]: With dead ends: 650 [2023-11-12 00:42:35,333 INFO L226 Difference]: Without dead ends: 650 [2023-11-12 00:42:35,334 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 [2023-11-12 00:42:35,334 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 8 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:35,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 35 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:35,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2023-11-12 00:42:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 644. [2023-11-12 00:42:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 633 states have (on average 1.8736176935229067) internal successors, (1186), 643 states have internal predecessors, (1186), 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) [2023-11-12 00:42:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 1186 transitions. [2023-11-12 00:42:35,356 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 1186 transitions. Word has length 14 [2023-11-12 00:42:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:35,356 INFO L495 AbstractCegarLoop]: Abstraction has 644 states and 1186 transitions. [2023-11-12 00:42:35,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-12 00:42:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1186 transitions. [2023-11-12 00:42:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:42:35,357 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:35,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:35,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 00:42:35,358 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:35,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:35,358 INFO L85 PathProgramCache]: Analyzing trace with hash 763934860, now seen corresponding path program 1 times [2023-11-12 00:42:35,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:35,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268055022] [2023-11-12 00:42:35,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:35,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:35,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:35,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:35,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268055022] [2023-11-12 00:42:35,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268055022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:35,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:35,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:42:35,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645555373] [2023-11-12 00:42:35,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:35,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:42:35,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:35,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:42:35,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:42:35,401 INFO L87 Difference]: Start difference. First operand 644 states and 1186 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:35,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:35,536 INFO L93 Difference]: Finished difference Result 725 states and 1325 transitions. [2023-11-12 00:42:35,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:42:35,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-12 00:42:35,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:35,541 INFO L225 Difference]: With dead ends: 725 [2023-11-12 00:42:35,541 INFO L226 Difference]: Without dead ends: 680 [2023-11-12 00:42:35,542 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 [2023-11-12 00:42:35,542 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 53 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:35,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 42 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:35,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2023-11-12 00:42:35,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 603. [2023-11-12 00:42:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 593 states have (on average 1.8583473861720068) internal successors, (1102), 602 states have internal predecessors, (1102), 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) [2023-11-12 00:42:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 1102 transitions. [2023-11-12 00:42:35,563 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 1102 transitions. Word has length 17 [2023-11-12 00:42:35,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:35,564 INFO L495 AbstractCegarLoop]: Abstraction has 603 states and 1102 transitions. [2023-11-12 00:42:35,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1102 transitions. [2023-11-12 00:42:35,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:42:35,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:35,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:35,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 00:42:35,566 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:35,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:35,566 INFO L85 PathProgramCache]: Analyzing trace with hash -368779468, now seen corresponding path program 1 times [2023-11-12 00:42:35,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:35,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672066351] [2023-11-12 00:42:35,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:35,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:35,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672066351] [2023-11-12 00:42:35,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672066351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:35,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:35,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:42:35,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718375159] [2023-11-12 00:42:35,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:35,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:42:35,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:35,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:42:35,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:42:35,609 INFO L87 Difference]: Start difference. First operand 603 states and 1102 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:35,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:35,715 INFO L93 Difference]: Finished difference Result 608 states and 1110 transitions. [2023-11-12 00:42:35,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:42:35,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2023-11-12 00:42:35,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:35,721 INFO L225 Difference]: With dead ends: 608 [2023-11-12 00:42:35,721 INFO L226 Difference]: Without dead ends: 608 [2023-11-12 00:42:35,721 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 [2023-11-12 00:42:35,722 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 27 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:35,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 43 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:35,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-11-12 00:42:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 596. [2023-11-12 00:42:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 588 states have (on average 1.848639455782313) internal successors, (1087), 595 states have internal predecessors, (1087), 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) [2023-11-12 00:42:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1087 transitions. [2023-11-12 00:42:35,743 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1087 transitions. Word has length 22 [2023-11-12 00:42:35,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:35,743 INFO L495 AbstractCegarLoop]: Abstraction has 596 states and 1087 transitions. [2023-11-12 00:42:35,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1087 transitions. [2023-11-12 00:42:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:42:35,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:35,751 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] [2023-11-12 00:42:35,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 00:42:35,751 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:35,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:35,752 INFO L85 PathProgramCache]: Analyzing trace with hash 432592438, now seen corresponding path program 1 times [2023-11-12 00:42:35,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:35,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708832086] [2023-11-12 00:42:35,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:35,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:36,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:36,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708832086] [2023-11-12 00:42:36,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708832086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:36,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:36,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:42:36,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417342453] [2023-11-12 00:42:36,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:36,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:42:36,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:36,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:42:36,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:42:36,019 INFO L87 Difference]: Start difference. First operand 596 states and 1087 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 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) [2023-11-12 00:42:36,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:36,140 INFO L93 Difference]: Finished difference Result 367 states and 557 transitions. [2023-11-12 00:42:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:36,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 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 [2023-11-12 00:42:36,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:36,144 INFO L225 Difference]: With dead ends: 367 [2023-11-12 00:42:36,144 INFO L226 Difference]: Without dead ends: 367 [2023-11-12 00:42:36,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:42:36,145 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 103 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:36,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 15 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-11-12 00:42:36,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 337. [2023-11-12 00:42:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 332 states have (on average 1.536144578313253) internal successors, (510), 336 states have internal predecessors, (510), 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) [2023-11-12 00:42:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 510 transitions. [2023-11-12 00:42:36,158 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 510 transitions. Word has length 28 [2023-11-12 00:42:36,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:36,159 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 510 transitions. [2023-11-12 00:42:36,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 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) [2023-11-12 00:42:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 510 transitions. [2023-11-12 00:42:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:42:36,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:36,160 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] [2023-11-12 00:42:36,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 00:42:36,161 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] === [2023-11-12 00:42:36,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:36,161 INFO L85 PathProgramCache]: Analyzing trace with hash -349463967, now seen corresponding path program 1 times [2023-11-12 00:42:36,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:36,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210978517] [2023-11-12 00:42:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:36,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:42:36,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:36,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210978517] [2023-11-12 00:42:36,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210978517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:36,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:36,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:42:36,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121354861] [2023-11-12 00:42:36,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:36,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:42:36,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:36,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:42:36,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:42:36,213 INFO L87 Difference]: Start difference. First operand 337 states and 510 transitions. 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) [2023-11-12 00:42:36,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:36,290 INFO L93 Difference]: Finished difference Result 322 states and 485 transitions. [2023-11-12 00:42:36,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:42:36,291 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 [2023-11-12 00:42:36,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:36,291 INFO L225 Difference]: With dead ends: 322 [2023-11-12 00:42:36,292 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:42:36,292 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 [2023-11-12 00:42:36,293 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:36,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 29 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:42:36,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:42:36,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:42:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 00:42:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:42:36,295 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-12 00:42:36,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:36,295 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:42:36,295 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) [2023-11-12 00:42:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:42:36,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:42:36,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2023-11-12 00:42:36,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2023-11-12 00:42:36,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2023-11-12 00:42:36,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2023-11-12 00:42:36,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2023-11-12 00:42:36,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 22 remaining) [2023-11-12 00:42:36,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2023-11-12 00:42:36,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2023-11-12 00:42:36,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2023-11-12 00:42:36,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2023-11-12 00:42:36,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2023-11-12 00:42:36,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2023-11-12 00:42:36,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2023-11-12 00:42:36,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2023-11-12 00:42:36,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2023-11-12 00:42:36,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2023-11-12 00:42:36,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2023-11-12 00:42:36,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2023-11-12 00:42:36,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2023-11-12 00:42:36,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2023-11-12 00:42:36,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2023-11-12 00:42:36,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2023-11-12 00:42:36,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 00:42:36,308 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:42:36,313 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 00:42:36,313 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:42:36,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:42:36 BasicIcfg [2023-11-12 00:42:36,317 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:42:36,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:42:36,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:42:36,318 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:42:36,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:26" (3/4) ... [2023-11-12 00:42:36,320 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:42:36,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-12 00:42:36,331 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-12 00:42:36,332 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:42:36,332 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:42:36,332 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:42:36,422 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:42:36,423 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:42:36,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:42:36,424 INFO L158 Benchmark]: Toolchain (without parser) took 11536.93ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 127.0MB in the beginning and 150.3MB in the end (delta: -23.3MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-12 00:42:36,424 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:42:36,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.19ms. Allocated memory is still 161.5MB. Free memory was 126.4MB in the beginning and 107.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:42:36,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.32ms. Allocated memory is still 161.5MB. Free memory was 107.0MB in the beginning and 104.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:42:36,426 INFO L158 Benchmark]: Boogie Preprocessor took 75.70ms. Allocated memory is still 161.5MB. Free memory was 104.3MB in the beginning and 103.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:42:36,426 INFO L158 Benchmark]: RCFGBuilder took 601.56ms. Allocated memory is still 161.5MB. Free memory was 102.8MB in the beginning and 83.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:42:36,427 INFO L158 Benchmark]: TraceAbstraction took 10028.26ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 82.7MB in the beginning and 155.6MB in the end (delta: -72.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2023-11-12 00:42:36,427 INFO L158 Benchmark]: Witness Printer took 106.10ms. Allocated memory is still 234.9MB. Free memory was 155.6MB in the beginning and 150.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:42:36,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.19ms. Allocated memory is still 161.5MB. Free memory was 126.4MB in the beginning and 107.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.32ms. Allocated memory is still 161.5MB. Free memory was 107.0MB in the beginning and 104.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.70ms. Allocated memory is still 161.5MB. Free memory was 104.3MB in the beginning and 103.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 601.56ms. Allocated memory is still 161.5MB. Free memory was 102.8MB in the beginning and 83.3MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10028.26ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 82.7MB in the beginning and 155.6MB in the end (delta: -72.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 106.10ms. Allocated memory is still 234.9MB. Free memory was 155.6MB in the beginning and 150.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8s, 201 PlacesBefore, 75 PlacesAfterwards, 205 TransitionsBefore, 75 TransitionsAfterwards, 12350 CoEnabledTransitionPairs, 24 FixpointIterations, 40 TrivialSequentialCompositions, 162 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 33 ConcurrentYvCompositions, 4 ChoiceCompositions, 239 TotalNumberOfCompositions, 109885 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30693, independent: 28081, independent conditional: 0, independent unconditional: 28081, dependent: 2612, dependent conditional: 0, dependent unconditional: 2612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10024, independent: 9840, independent conditional: 0, independent unconditional: 9840, dependent: 184, dependent conditional: 0, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10024, independent: 8804, independent conditional: 0, independent unconditional: 8804, dependent: 1220, dependent conditional: 0, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1220, independent: 1036, independent conditional: 0, independent unconditional: 1036, dependent: 184, dependent conditional: 0, dependent unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1143, independent: 747, independent conditional: 0, independent unconditional: 747, dependent: 396, dependent conditional: 0, dependent unconditional: 396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30693, independent: 18241, independent conditional: 0, independent unconditional: 18241, dependent: 2428, dependent conditional: 0, dependent unconditional: 2428, unknown: 10024, unknown conditional: 0, unknown unconditional: 10024] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 868, Positive conditional cache size: 0, Positive unconditional cache size: 868, Negative cache size: 96, Negative conditional cache size: 0, Negative unconditional cache size: 96, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 265 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 399 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 399 mSDsluCounter, 303 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 835 IncrementalHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 209 mSDtfsCounter, 835 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1146occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 708 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 00:42:36,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d5249d-a18b-4d1a-bdcc-06a484c48845/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE