./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:21:58,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:21:58,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 21:21:58,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:21:58,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:21:58,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:21:58,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:21:58,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:21:58,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:21:58,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:21:58,973 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:21:58,975 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:21:58,975 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:21:58,977 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:21:58,977 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:21:58,978 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:21:58,978 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:21:58,979 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:21:58,979 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:21:58,980 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:21:58,980 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:21:58,981 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:21:58,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:21:58,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:21:58,982 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:21:58,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:21:58,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:21:58,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:21:58,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:21:58,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:21:58,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:21:58,986 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:21:58,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:21:58,986 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:21:58,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:21:58,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:21:58,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:21:58,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:21:59,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:21:59,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:21:59,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:21:59,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:21:59,010 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:21:59,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:21:59,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:21:59,013 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:21:59,013 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:21:59,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:21:59,014 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_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f [2023-11-23 21:21:59,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:21:59,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:21:59,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:21:59,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:21:59,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:21:59,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i [2023-11-23 21:22:02,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:02,860 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:02,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i [2023-11-23 21:22:02,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/data/ceeb7d790/98291b1b2d5c480dac74bc40831e0c21/FLAGf6020b5f1 [2023-11-23 21:22:02,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/data/ceeb7d790/98291b1b2d5c480dac74bc40831e0c21 [2023-11-23 21:22:02,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:02,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:02,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:02,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:02,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:02,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:02" (1/1) ... [2023-11-23 21:22:02,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195bb260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:02, skipping insertion in model container [2023-11-23 21:22:02,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:02" (1/1) ... [2023-11-23 21:22:02,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:03,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:03,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:03,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:03,612 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:03,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03 WrapperNode [2023-11-23 21:22:03,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:03,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:03,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:03,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:03,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,689 INFO L138 Inliner]: procedures = 164, calls = 25, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 65 [2023-11-23 21:22:03,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:03,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:03,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:03,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:03,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:03,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:03,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:03,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:03,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (1/1) ... [2023-11-23 21:22:03,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:03,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:03,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:03,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:22:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:22:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 21:22:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:22:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-23 21:22:03,856 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-23 21:22:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:22:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:22:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 21:22:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:03,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:03,859 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:22:03,996 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:03,999 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:04,228 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:04,273 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:04,273 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:22:04,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:04 BoogieIcfgContainer [2023-11-23 21:22:04,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:04,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:04,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:04,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:04,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:02" (1/3) ... [2023-11-23 21:22:04,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656ce10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:04, skipping insertion in model container [2023-11-23 21:22:04,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:03" (2/3) ... [2023-11-23 21:22:04,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656ce10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:04, skipping insertion in model container [2023-11-23 21:22:04,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:04" (3/3) ... [2023-11-23 21:22:04,290 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2023-11-23 21:22:04,300 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:22:04,311 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:04,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-23 21:22:04,311 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:22:04,415 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-23 21:22:04,456 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 106 transitions, 219 flow [2023-11-23 21:22:04,554 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 871 states, 859 states have (on average 2.0221187427240976) internal successors, (1737), 870 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:04,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:04,584 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;@225c3a0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:04,585 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-23 21:22:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 871 states, 859 states have (on average 2.0221187427240976) internal successors, (1737), 870 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 21:22:04,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:04,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:04,602 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-23 21:22:04,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:04,611 INFO L85 PathProgramCache]: Analyzing trace with hash -663707249, now seen corresponding path program 1 times [2023-11-23 21:22:04,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:04,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220817229] [2023-11-23 21:22:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:22:04,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:04,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220817229] [2023-11-23 21:22:04,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220817229] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:04,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:04,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:22:04,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303781460] [2023-11-23 21:22:04,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:04,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:22:04,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:04,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:22:04,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:04,936 INFO L87 Difference]: Start difference. First operand has 871 states, 859 states have (on average 2.0221187427240976) internal successors, (1737), 870 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:05,038 INFO L93 Difference]: Finished difference Result 982 states and 1866 transitions. [2023-11-23 21:22:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:22:05,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2023-11-23 21:22:05,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:05,068 INFO L225 Difference]: With dead ends: 982 [2023-11-23 21:22:05,068 INFO L226 Difference]: Without dead ends: 943 [2023-11-23 21:22:05,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:05,073 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 62 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:05,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 124 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:22:05,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2023-11-23 21:22:05,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 734. [2023-11-23 21:22:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 724 states have (on average 1.9392265193370166) internal successors, (1404), 733 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1404 transitions. [2023-11-23 21:22:05,194 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1404 transitions. Word has length 19 [2023-11-23 21:22:05,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:05,194 INFO L495 AbstractCegarLoop]: Abstraction has 734 states and 1404 transitions. [2023-11-23 21:22:05,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,195 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1404 transitions. [2023-11-23 21:22:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 21:22:05,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:05,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:05,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:22:05,198 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-23 21:22:05,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:05,199 INFO L85 PathProgramCache]: Analyzing trace with hash -358195507, now seen corresponding path program 1 times [2023-11-23 21:22:05,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:05,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413313472] [2023-11-23 21:22:05,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:05,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:22:05,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:05,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413313472] [2023-11-23 21:22:05,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413313472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:05,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:05,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:22:05,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56599005] [2023-11-23 21:22:05,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:05,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:22:05,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:05,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:22:05,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:05,336 INFO L87 Difference]: Start difference. First operand 734 states and 1404 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:05,412 INFO L93 Difference]: Finished difference Result 766 states and 1466 transitions. [2023-11-23 21:22:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:22:05,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2023-11-23 21:22:05,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:05,422 INFO L225 Difference]: With dead ends: 766 [2023-11-23 21:22:05,422 INFO L226 Difference]: Without dead ends: 766 [2023-11-23 21:22:05,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:05,431 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 25 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:05,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 158 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:22:05,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2023-11-23 21:22:05,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 746. [2023-11-23 21:22:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 737 states have (on average 1.9362279511533242) internal successors, (1427), 745 states have internal predecessors, (1427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1427 transitions. [2023-11-23 21:22:05,462 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1427 transitions. Word has length 41 [2023-11-23 21:22:05,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:05,463 INFO L495 AbstractCegarLoop]: Abstraction has 746 states and 1427 transitions. [2023-11-23 21:22:05,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1427 transitions. [2023-11-23 21:22:05,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 21:22:05,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:05,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:05,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:22:05,469 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-23 21:22:05,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:05,478 INFO L85 PathProgramCache]: Analyzing trace with hash 385237791, now seen corresponding path program 1 times [2023-11-23 21:22:05,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:05,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467571348] [2023-11-23 21:22:05,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:05,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:22:05,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:05,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467571348] [2023-11-23 21:22:05,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467571348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:05,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:05,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:22:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112483852] [2023-11-23 21:22:05,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:05,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:22:05,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:05,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:22:05,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:05,618 INFO L87 Difference]: Start difference. First operand 746 states and 1427 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:05,674 INFO L93 Difference]: Finished difference Result 774 states and 1477 transitions. [2023-11-23 21:22:05,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:22:05,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2023-11-23 21:22:05,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:05,680 INFO L225 Difference]: With dead ends: 774 [2023-11-23 21:22:05,680 INFO L226 Difference]: Without dead ends: 694 [2023-11-23 21:22:05,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:05,682 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 25 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:05,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 159 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:22:05,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2023-11-23 21:22:05,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 678. [2023-11-23 21:22:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 670 states have (on average 1.9134328358208956) internal successors, (1282), 677 states have internal predecessors, (1282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1282 transitions. [2023-11-23 21:22:05,707 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1282 transitions. Word has length 44 [2023-11-23 21:22:05,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:05,707 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1282 transitions. [2023-11-23 21:22:05,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1282 transitions. [2023-11-23 21:22:05,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 21:22:05,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:05,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:05,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:22:05,711 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-23 21:22:05,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:05,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1354013458, now seen corresponding path program 1 times [2023-11-23 21:22:05,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:05,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239247602] [2023-11-23 21:22:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:05,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:22:05,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239247602] [2023-11-23 21:22:05,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239247602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:05,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:05,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:22:05,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676354526] [2023-11-23 21:22:05,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:05,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:22:05,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:05,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:22:05,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:05,950 INFO L87 Difference]: Start difference. First operand 678 states and 1282 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:05,976 INFO L93 Difference]: Finished difference Result 415 states and 739 transitions. [2023-11-23 21:22:05,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:22:05,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2023-11-23 21:22:05,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:05,980 INFO L225 Difference]: With dead ends: 415 [2023-11-23 21:22:05,980 INFO L226 Difference]: Without dead ends: 415 [2023-11-23 21:22:05,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:22:05,982 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 40 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:05,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 126 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:22:05,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-23 21:22:05,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2023-11-23 21:22:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 414 states have (on average 1.785024154589372) internal successors, (739), 414 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 739 transitions. [2023-11-23 21:22:05,997 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 739 transitions. Word has length 46 [2023-11-23 21:22:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:05,998 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 739 transitions. [2023-11-23 21:22:05,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 739 transitions. [2023-11-23 21:22:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 21:22:06,000 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:06,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:06,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:22:06,001 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-23 21:22:06,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1734731810, now seen corresponding path program 1 times [2023-11-23 21:22:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:06,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076553969] [2023-11-23 21:22:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:22:06,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:22:06,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076553969] [2023-11-23 21:22:06,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076553969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:06,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:06,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:22:06,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146233486] [2023-11-23 21:22:06,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:06,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:22:06,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:22:06,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:22:06,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:22:06,588 INFO L87 Difference]: Start difference. First operand 415 states and 739 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:06,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:06,665 INFO L93 Difference]: Finished difference Result 389 states and 687 transitions. [2023-11-23 21:22:06,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:22:06,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 49 [2023-11-23 21:22:06,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:06,666 INFO L225 Difference]: With dead ends: 389 [2023-11-23 21:22:06,666 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:22:06,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:22:06,669 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 104 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:06,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 356 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:22:06,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:22:06,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:22:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:06,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:22:06,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2023-11-23 21:22:06,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:06,672 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:22:06,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:22:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:22:06,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:22:06,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-23 21:22:06,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-23 21:22:06,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-23 21:22:06,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-11-23 21:22:06,677 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-23 21:22:06,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-11-23 21:22:06,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-23 21:22:06,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-23 21:22:06,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-23 21:22:06,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-23 21:22:06,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:22:06,683 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-23 21:22:06,688 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 21:22:06,689 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:22:06,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:22:06 BasicIcfg [2023-11-23 21:22:06,698 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:22:06,699 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:22:06,699 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:22:06,700 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:22:06,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:04" (3/4) ... [2023-11-23 21:22:06,704 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:22:06,708 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-23 21:22:06,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-23 21:22:06,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:22:06,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 21:22:06,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:22:06,800 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:22:06,801 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:22:06,801 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:22:06,802 INFO L158 Benchmark]: Toolchain (without parser) took 3881.16ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 144.9MB in the beginning and 114.8MB in the end (delta: 30.1MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,802 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:06,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.43ms. Allocated memory is still 174.1MB. Free memory was 144.9MB in the beginning and 125.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.39ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 123.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,804 INFO L158 Benchmark]: Boogie Preprocessor took 33.47ms. Allocated memory is still 174.1MB. Free memory was 123.6MB in the beginning and 121.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,804 INFO L158 Benchmark]: RCFGBuilder took 552.03ms. Allocated memory is still 174.1MB. Free memory was 121.9MB in the beginning and 129.7MB in the end (delta: -7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,805 INFO L158 Benchmark]: TraceAbstraction took 2418.57ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 128.8MB in the beginning and 119.0MB in the end (delta: 9.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,805 INFO L158 Benchmark]: Witness Printer took 102.72ms. Allocated memory is still 209.7MB. Free memory was 119.0MB in the beginning and 114.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:22:06,807 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.43ms. Allocated memory is still 174.1MB. Free memory was 144.9MB in the beginning and 125.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.39ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 123.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.47ms. Allocated memory is still 174.1MB. Free memory was 123.6MB in the beginning and 121.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.03ms. Allocated memory is still 174.1MB. Free memory was 121.9MB in the beginning and 129.7MB in the end (delta: -7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2418.57ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 128.8MB in the beginning and 119.0MB in the end (delta: 9.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 102.72ms. Allocated memory is still 209.7MB. Free memory was 119.0MB in the beginning and 114.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 132 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 256 mSDsluCounter, 923 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 399 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 524 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=871occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 245 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:22:06,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21e15dc1-7e70-4058-8011-21f9ef79b685/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE