./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje --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 32482febe38d61a93fd0705f3ad97c9c1ccc991b1238f75e4d1dd99bfb01c35e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:05:02,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:05:02,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 05:05:02,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:05:02,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:05:02,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:05:02,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:05:02,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:05:02,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:05:02,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:05:02,358 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:05:02,359 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:05:02,359 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:05:02,360 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:05:02,360 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:05:02,361 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:05:02,361 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:05:02,362 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:05:02,362 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:05:02,363 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:05:02,363 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:05:02,364 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:05:02,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:05:02,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:05:02,366 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:05:02,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:05:02,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:05:02,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:05:02,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:05:02,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:05:02,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:05:02,373 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 05:05:02,374 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:05:02,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:05:02,374 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:05:02,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:05:02,375 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:05:02,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:05:02,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:05:02,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:05:02,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:05:02,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:05:02,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:05:02,381 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:05:02,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:05:02,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:05:02,382 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:05:02,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:05:02,383 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_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32482febe38d61a93fd0705f3ad97c9c1ccc991b1238f75e4d1dd99bfb01c35e [2024-11-09 05:05:02,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:05:02,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:05:02,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:05:02,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:05:02,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:05:02,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i Unable to find full path for "g++" [2024-11-09 05:05:05,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:05:05,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:05:05,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/sv-benchmarks/c/pthread-divine/divinefifo-bug_1w1r.i [2024-11-09 05:05:05,732 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/data/ea94cbcbb/10a867e7b7ac442ba9c256c66b5eafe6/FLAG955b503b3 [2024-11-09 05:05:05,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/data/ea94cbcbb/10a867e7b7ac442ba9c256c66b5eafe6 [2024-11-09 05:05:05,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:05:05,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:05:05,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:05,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:05:05,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:05:05,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:05" (1/1) ... [2024-11-09 05:05:05,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8858c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:05, skipping insertion in model container [2024-11-09 05:05:05,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:05:05" (1/1) ... [2024-11-09 05:05:05,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:05:06,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:05:06,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:05:06,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:05:06,847 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:05:06,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06 WrapperNode [2024-11-09 05:05:06,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:05:06,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:05:06,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:05:06,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:05:06,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:06,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,042 INFO L138 Inliner]: procedures = 277, calls = 106, calls flagged for inlining = 27, calls inlined = 29, statements flattened = 995 [2024-11-09 05:05:07,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:05:07,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:05:07,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:05:07,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:05:07,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,084 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:05:07,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:05:07,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:05:07,361 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:05:07,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (1/1) ... [2024-11-09 05:05:07,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:05:07,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:05:07,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:05:07,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a0431a-486c-45b3-878a-a452c9671935/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:05:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2024-11-09 05:05:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2024-11-09 05:05:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:05:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 05:05:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:05:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:05:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:05:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 05:05:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:05:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 05:05:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:05:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:05:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:05:07,462 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 05:05:07,706 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:05:07,708 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:05:09,868 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 05:05:09,869 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:05:09,934 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:05:09,934 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:05:09,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:09 BoogieIcfgContainer [2024-11-09 05:05:09,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:05:09,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:05:09,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:05:09,948 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:05:09,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:05:05" (1/3) ... [2024-11-09 05:05:09,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a6540f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:05:09, skipping insertion in model container [2024-11-09 05:05:09,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:05:06" (2/3) ... [2024-11-09 05:05:09,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a6540f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:05:09, skipping insertion in model container [2024-11-09 05:05:09,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:05:09" (3/3) ... [2024-11-09 05:05:09,953 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.i [2024-11-09 05:05:09,980 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:05:09,980 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2024-11-09 05:05:09,980 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 05:05:10,255 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 05:05:10,332 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 1116 places, 1156 transitions, 2319 flow [2024-11-09 05:05:14,680 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 106233 states, 105250 states have (on average 2.07962945368171) internal successors, (218881), 106232 states have internal predecessors, (218881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:14,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:05:14,768 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@5b82e397, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:05:14,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 114 error locations. [2024-11-09 05:05:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 106233 states, 105250 states have (on average 2.07962945368171) internal successors, (218881), 106232 states have internal predecessors, (218881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 05:05:14,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:14,957 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:14,958 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2024-11-09 05:05:14,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:14,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1631350453, now seen corresponding path program 1 times [2024-11-09 05:05:14,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:14,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555873914] [2024-11-09 05:05:14,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:14,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:05:16,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:16,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555873914] [2024-11-09 05:05:16,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555873914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:16,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:16,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:05:16,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743990142] [2024-11-09 05:05:16,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:16,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:05:16,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:16,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:05:16,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:16,509 INFO L87 Difference]: Start difference. First operand has 106233 states, 105250 states have (on average 2.07962945368171) internal successors, (218881), 106232 states have internal predecessors, (218881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:22,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:22,512 INFO L93 Difference]: Finished difference Result 211011 states and 434968 transitions. [2024-11-09 05:05:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:05:22,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 32 [2024-11-09 05:05:22,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:23,386 INFO L225 Difference]: With dead ends: 211011 [2024-11-09 05:05:23,386 INFO L226 Difference]: Without dead ends: 104812 [2024-11-09 05:05:23,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:23,708 INFO L432 NwaCegarLoop]: 1092 mSDtfsCounter, 5 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2613 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:23,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2613 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1773 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-09 05:05:24,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104812 states. [2024-11-09 05:05:27,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104812 to 104812. [2024-11-09 05:05:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104812 states, 103710 states have (on average 2.0558191109825477) internal successors, (213209), 104811 states have internal predecessors, (213209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104812 states to 104812 states and 213209 transitions. [2024-11-09 05:05:29,199 INFO L78 Accepts]: Start accepts. Automaton has 104812 states and 213209 transitions. Word has length 32 [2024-11-09 05:05:29,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:29,200 INFO L471 AbstractCegarLoop]: Abstraction has 104812 states and 213209 transitions. [2024-11-09 05:05:29,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 104812 states and 213209 transitions. [2024-11-09 05:05:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 05:05:29,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:29,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:29,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:05:29,204 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2024-11-09 05:05:29,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:29,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1253236285, now seen corresponding path program 1 times [2024-11-09 05:05:29,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:29,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782867243] [2024-11-09 05:05:29,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:29,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:05:29,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:29,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782867243] [2024-11-09 05:05:29,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782867243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:29,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:29,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:05:29,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186718328] [2024-11-09 05:05:29,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:29,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:05:29,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:29,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:05:29,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:29,915 INFO L87 Difference]: Start difference. First operand 104812 states and 213209 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:32,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:32,733 INFO L93 Difference]: Finished difference Result 104812 states and 213209 transitions. [2024-11-09 05:05:32,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:05:32,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 39 [2024-11-09 05:05:32,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:33,181 INFO L225 Difference]: With dead ends: 104812 [2024-11-09 05:05:33,182 INFO L226 Difference]: Without dead ends: 104811 [2024-11-09 05:05:33,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:33,240 INFO L432 NwaCegarLoop]: 1089 mSDtfsCounter, 4 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2085 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:33,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2085 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 05:05:33,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104811 states. [2024-11-09 05:05:36,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104811 to 104811. [2024-11-09 05:05:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104811 states, 103710 states have (on average 2.0558094687108284) internal successors, (213208), 104810 states have internal predecessors, (213208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104811 states to 104811 states and 213208 transitions. [2024-11-09 05:05:37,399 INFO L78 Accepts]: Start accepts. Automaton has 104811 states and 213208 transitions. Word has length 39 [2024-11-09 05:05:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:37,400 INFO L471 AbstractCegarLoop]: Abstraction has 104811 states and 213208 transitions. [2024-11-09 05:05:37,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 104811 states and 213208 transitions. [2024-11-09 05:05:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 05:05:37,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:37,403 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:37,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:05:37,404 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2024-11-09 05:05:37,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:37,405 INFO L85 PathProgramCache]: Analyzing trace with hash -525514281, now seen corresponding path program 1 times [2024-11-09 05:05:37,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:37,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68056412] [2024-11-09 05:05:37,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:37,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:05:38,123 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:38,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68056412] [2024-11-09 05:05:38,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68056412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:38,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:38,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:05:38,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786401667] [2024-11-09 05:05:38,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:38,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:05:38,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:38,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:05:38,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:38,127 INFO L87 Difference]: Start difference. First operand 104811 states and 213208 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:41,353 INFO L93 Difference]: Finished difference Result 104811 states and 213208 transitions. [2024-11-09 05:05:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:05:41,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 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 48 [2024-11-09 05:05:41,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:41,972 INFO L225 Difference]: With dead ends: 104811 [2024-11-09 05:05:41,972 INFO L226 Difference]: Without dead ends: 104810 [2024-11-09 05:05:42,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:42,025 INFO L432 NwaCegarLoop]: 1088 mSDtfsCounter, 2 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2086 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:42,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2086 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 05:05:42,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104810 states. [2024-11-09 05:05:44,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104810 to 104810. [2024-11-09 05:05:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104810 states, 103710 states have (on average 2.055799826439109) internal successors, (213207), 104809 states have internal predecessors, (213207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104810 states to 104810 states and 213207 transitions. [2024-11-09 05:05:45,281 INFO L78 Accepts]: Start accepts. Automaton has 104810 states and 213207 transitions. Word has length 48 [2024-11-09 05:05:45,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:45,282 INFO L471 AbstractCegarLoop]: Abstraction has 104810 states and 213207 transitions. [2024-11-09 05:05:45,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 104810 states and 213207 transitions. [2024-11-09 05:05:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 05:05:45,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:45,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:45,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:05:45,285 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2024-11-09 05:05:45,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash -752281225, now seen corresponding path program 1 times [2024-11-09 05:05:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:45,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531794349] [2024-11-09 05:05:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:45,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:05:45,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:45,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531794349] [2024-11-09 05:05:45,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531794349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:45,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:45,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:05:45,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547292272] [2024-11-09 05:05:45,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:45,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:05:45,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:45,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:05:45,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:45,908 INFO L87 Difference]: Start difference. First operand 104810 states and 213207 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:48,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:48,832 INFO L93 Difference]: Finished difference Result 104810 states and 213207 transitions. [2024-11-09 05:05:48,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:05:48,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 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 60 [2024-11-09 05:05:48,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:49,411 INFO L225 Difference]: With dead ends: 104810 [2024-11-09 05:05:49,411 INFO L226 Difference]: Without dead ends: 104809 [2024-11-09 05:05:49,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:49,452 INFO L432 NwaCegarLoop]: 1080 mSDtfsCounter, 21 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:49,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2072 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 05:05:49,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104809 states. [2024-11-09 05:05:52,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104809 to 104809. [2024-11-09 05:05:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104809 states, 103710 states have (on average 2.05579018416739) internal successors, (213206), 104808 states have internal predecessors, (213206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:52,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104809 states to 104809 states and 213206 transitions. [2024-11-09 05:05:52,977 INFO L78 Accepts]: Start accepts. Automaton has 104809 states and 213206 transitions. Word has length 60 [2024-11-09 05:05:52,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:05:52,977 INFO L471 AbstractCegarLoop]: Abstraction has 104809 states and 213206 transitions. [2024-11-09 05:05:52,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:52,978 INFO L276 IsEmpty]: Start isEmpty. Operand 104809 states and 213206 transitions. [2024-11-09 05:05:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 05:05:52,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:05:52,979 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:05:52,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:05:52,980 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2024-11-09 05:05:52,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:05:52,981 INFO L85 PathProgramCache]: Analyzing trace with hash -139554502, now seen corresponding path program 1 times [2024-11-09 05:05:52,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:05:52,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688718002] [2024-11-09 05:05:52,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:05:52,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:05:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:05:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:05:53,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:05:53,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688718002] [2024-11-09 05:05:53,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688718002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:05:53,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:05:53,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:05:53,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334266356] [2024-11-09 05:05:53,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:05:53,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:05:53,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:05:53,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:05:53,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:53,576 INFO L87 Difference]: Start difference. First operand 104809 states and 213206 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:56,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:05:56,188 INFO L93 Difference]: Finished difference Result 104809 states and 213206 transitions. [2024-11-09 05:05:56,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:05:56,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2024-11-09 05:05:56,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:05:56,687 INFO L225 Difference]: With dead ends: 104809 [2024-11-09 05:05:56,688 INFO L226 Difference]: Without dead ends: 104808 [2024-11-09 05:05:56,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:05:56,733 INFO L432 NwaCegarLoop]: 1086 mSDtfsCounter, 12 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2078 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:05:56,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2078 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1185 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 05:05:56,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104808 states. [2024-11-09 05:05:59,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104808 to 104808. [2024-11-09 05:05:59,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104808 states, 103710 states have (on average 2.0557805418956705) internal successors, (213205), 104807 states have internal predecessors, (213205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:05:59,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104808 states to 104808 states and 213205 transitions. [2024-11-09 05:06:00,835 INFO L78 Accepts]: Start accepts. Automaton has 104808 states and 213205 transitions. Word has length 67 [2024-11-09 05:06:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:00,836 INFO L471 AbstractCegarLoop]: Abstraction has 104808 states and 213205 transitions. [2024-11-09 05:06:00,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:06:00,836 INFO L276 IsEmpty]: Start isEmpty. Operand 104808 states and 213205 transitions. [2024-11-09 05:06:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:06:00,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:00,846 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:06:00,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:06:00,846 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2024-11-09 05:06:00,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:00,847 INFO L85 PathProgramCache]: Analyzing trace with hash -465788208, now seen corresponding path program 1 times [2024-11-09 05:06:00,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:06:00,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555034562] [2024-11-09 05:06:00,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:00,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:06:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:06:01,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:01,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555034562] [2024-11-09 05:06:01,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555034562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:01,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:06:01,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:06:01,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958002072] [2024-11-09 05:06:01,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:01,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:06:01,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:01,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:06:01,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:06:01,545 INFO L87 Difference]: Start difference. First operand 104808 states and 213205 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:06:06,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:06,553 INFO L93 Difference]: Finished difference Result 142804 states and 290549 transitions. [2024-11-09 05:06:06,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:06:06,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 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 81 [2024-11-09 05:06:06,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:07,043 INFO L225 Difference]: With dead ends: 142804 [2024-11-09 05:06:07,043 INFO L226 Difference]: Without dead ends: 140830 [2024-11-09 05:06:07,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:06:07,075 INFO L432 NwaCegarLoop]: 1182 mSDtfsCounter, 752 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 2779 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 3253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 2779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:07,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 2798 Invalid, 3253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [474 Valid, 2779 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 05:06:07,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140830 states. [2024-11-09 05:06:09,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140830 to 112494. [2024-11-09 05:06:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112494 states, 111402 states have (on average 2.053167806682106) internal successors, (228727), 112493 states have internal predecessors, (228727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:06:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112494 states to 112494 states and 228727 transitions. [2024-11-09 05:06:11,468 INFO L78 Accepts]: Start accepts. Automaton has 112494 states and 228727 transitions. Word has length 81 [2024-11-09 05:06:11,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:11,469 INFO L471 AbstractCegarLoop]: Abstraction has 112494 states and 228727 transitions. [2024-11-09 05:06:11,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:06:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 112494 states and 228727 transitions. [2024-11-09 05:06:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 05:06:11,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:11,472 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:06:11,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:06:11,473 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2024-11-09 05:06:11,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:11,474 INFO L85 PathProgramCache]: Analyzing trace with hash 188653188, now seen corresponding path program 1 times [2024-11-09 05:06:11,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:06:11,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472932907] [2024-11-09 05:06:11,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:11,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:06:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:06:12,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:12,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472932907] [2024-11-09 05:06:12,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472932907] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:12,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:06:12,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:06:12,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821566482] [2024-11-09 05:06:12,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:12,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:06:12,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:12,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:06:12,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:06:12,397 INFO L87 Difference]: Start difference. First operand 112494 states and 228727 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:06:17,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:06:17,473 INFO L93 Difference]: Finished difference Result 140830 states and 286571 transitions. [2024-11-09 05:06:17,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:06:17,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 87 [2024-11-09 05:06:17,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:06:17,968 INFO L225 Difference]: With dead ends: 140830 [2024-11-09 05:06:17,968 INFO L226 Difference]: Without dead ends: 140172 [2024-11-09 05:06:18,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:06:18,013 INFO L432 NwaCegarLoop]: 1222 mSDtfsCounter, 716 mSDsluCounter, 1616 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 716 SdHoareTripleChecker+Valid, 2838 SdHoareTripleChecker+Invalid, 3148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-09 05:06:18,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [716 Valid, 2838 Invalid, 3148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 2790 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-09 05:06:18,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140172 states. [2024-11-09 05:06:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140172 to 115056. [2024-11-09 05:06:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115056 states, 113966 states have (on average 2.052375269817314) internal successors, (233901), 115055 states have internal predecessors, (233901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:06:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115056 states to 115056 states and 233901 transitions. [2024-11-09 05:06:21,903 INFO L78 Accepts]: Start accepts. Automaton has 115056 states and 233901 transitions. Word has length 87 [2024-11-09 05:06:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:06:21,903 INFO L471 AbstractCegarLoop]: Abstraction has 115056 states and 233901 transitions. [2024-11-09 05:06:21,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:06:21,904 INFO L276 IsEmpty]: Start isEmpty. Operand 115056 states and 233901 transitions. [2024-11-09 05:06:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 05:06:21,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:06:21,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:06:21,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:06:21,906 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [pusherErr0ASSERT_VIOLATIONDATA_RACE, pusherErr1ASSERT_VIOLATIONDATA_RACE, pusherErr2ASSERT_VIOLATIONDATA_RACE, pusherErr6ASSERT_VIOLATIONDATA_RACE (and 110 more)] === [2024-11-09 05:06:21,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:06:21,906 INFO L85 PathProgramCache]: Analyzing trace with hash -32868380, now seen corresponding path program 1 times [2024-11-09 05:06:21,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:06:21,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785554923] [2024-11-09 05:06:21,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:06:21,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:06:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:06:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:06:22,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:06:22,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785554923] [2024-11-09 05:06:22,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785554923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:06:22,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:06:22,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 05:06:22,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890184088] [2024-11-09 05:06:22,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:06:22,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:06:22,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:06:22,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:06:22,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:06:22,641 INFO L87 Difference]: Start difference. First operand 115056 states and 233901 transitions. Second operand has 6 states, 5 states have (on average 20.2) internal successors, (101), 6 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)