./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --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 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:49:38,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:49:38,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:49:38,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:49:38,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:49:38,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:49:38,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:49:38,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:49:38,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:49:38,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:49:38,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:49:38,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:49:38,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:49:38,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:49:38,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:49:38,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:49:38,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:49:38,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:49:38,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:49:38,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:49:38,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:49:38,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:49:38,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:49:38,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:49:38,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:49:38,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:49:38,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:49:38,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:49:38,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:49:38,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:49:38,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:49:38,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:49:38,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:49:38,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:49:38,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:49:38,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:49:38,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:49:38,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:49:38,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:49:38,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:49:38,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:49:38,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 01:49:38,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:49:38,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:49:38,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:49:38,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:49:38,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:49:38,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:49:38,338 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:49:38,338 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:49:38,339 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:49:38,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:49:38,339 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:49:38,339 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:49:38,339 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:49:38,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:49:38,340 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:49:38,340 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:49:38,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:49:38,341 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:49:38,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:49:38,342 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:49:38,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:49:38,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:49:38,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:49:38,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:49:38,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:49:38,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:49:38,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:49:38,344 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 01:49:38,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:49:38,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:49:38,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:49:38,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:49:38,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:49:38,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:49:38,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:38,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:49:38,347 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:49:38,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:49:38,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:49:38,348 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:49:38,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:49:38,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:49:38,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:49:38,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f188168fffbbf8c03071990a7bb806f47bcfd599d52fd9001ab6073a6b782e8 [2022-11-03 01:49:38,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:49:38,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:49:38,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:49:38,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:49:38,676 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:49:38,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2022-11-03 01:49:38,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/data/b341495e7/0de9aee68a414323a4449bf243d5c9ae/FLAGdecad347b [2022-11-03 01:49:39,311 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:49:39,314 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c [2022-11-03 01:49:39,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/data/b341495e7/0de9aee68a414323a4449bf243d5c9ae/FLAGdecad347b [2022-11-03 01:49:39,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/data/b341495e7/0de9aee68a414323a4449bf243d5c9ae [2022-11-03 01:49:39,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:49:39,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:49:39,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:39,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:49:39,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:49:39,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:39" (1/1) ... [2022-11-03 01:49:39,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775a6133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:39, skipping insertion in model container [2022-11-03 01:49:39,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:39" (1/1) ... [2022-11-03 01:49:39,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:49:39,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:49:40,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-11-03 01:49:40,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:49:40,076 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:49:40,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/sv-benchmarks/c/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-11-03 01:49:40,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:49:40,159 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:49:40,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40 WrapperNode [2022-11-03 01:49:40,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:40,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:49:40,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:49:40,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:49:40,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,273 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 504 [2022-11-03 01:49:40,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:49:40,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:49:40,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:49:40,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:49:40,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,372 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:49:40,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:49:40,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:49:40,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:49:40,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (1/1) ... [2022-11-03 01:49:40,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:40,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:40,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:49:40,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b2ccaa0-7eb4-48cc-a0ad-9ac1be8acd8d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:49:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:49:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:49:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:49:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:49:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-03 01:49:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-03 01:49:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-03 01:49:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-03 01:49:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-03 01:49:40,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-03 01:49:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:49:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:49:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:49:40,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:49:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:49:40,485 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 01:49:40,665 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:49:40,667 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:49:41,803 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:49:41,834 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:49:41,834 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-03 01:49:41,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:41 BoogieIcfgContainer [2022-11-03 01:49:41,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:49:41,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:49:41,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:49:41,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:49:41,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:49:39" (1/3) ... [2022-11-03 01:49:41,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953ec61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:49:41, skipping insertion in model container [2022-11-03 01:49:41,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:40" (2/3) ... [2022-11-03 01:49:41,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953ec61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:49:41, skipping insertion in model container [2022-11-03 01:49:41,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:41" (3/3) ... [2022-11-03 01:49:41,851 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2022-11-03 01:49:41,861 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:49:41,872 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:49:41,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2022-11-03 01:49:41,873 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 01:49:42,132 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-03 01:49:42,205 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 01:49:42,221 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 618 places, 641 transitions, 1306 flow [2022-11-03 01:49:42,231 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 618 places, 641 transitions, 1306 flow [2022-11-03 01:49:42,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 618 places, 641 transitions, 1306 flow [2022-11-03 01:49:42,653 INFO L130 PetriNetUnfolder]: 33/638 cut-off events. [2022-11-03 01:49:42,654 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-03 01:49:42,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 638 events. 33/638 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1536 event pairs, 0 based on Foata normal form. 0/545 useless extension candidates. Maximal degree in co-relation 460. Up to 3 conditions per place. [2022-11-03 01:49:42,714 INFO L118 LiptonReduction]: Number of co-enabled transitions 94392 [2022-11-03 01:50:16,646 INFO L133 LiptonReduction]: Checked pairs total: 942462 [2022-11-03 01:50:16,647 INFO L135 LiptonReduction]: Total number of compositions: 842 [2022-11-03 01:50:16,657 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 190 places, 195 transitions, 414 flow [2022-11-03 01:50:36,191 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 640267 states, 633263 states have (on average 4.076686937338831) internal successors, (2581615), 640266 states have internal predecessors, (2581615), 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) [2022-11-03 01:50:36,245 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:50:36,259 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=LoopsAndPotentialCycles, 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;@3d1bb5df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:50:36,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2022-11-03 01:50:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 640267 states, 633263 states have (on average 4.076686937338831) internal successors, (2581615), 640266 states have internal predecessors, (2581615), 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) [2022-11-03 01:50:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-03 01:50:37,246 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:37,247 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-03 01:50:37,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2022-11-03 01:50:37,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:37,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2479, now seen corresponding path program 1 times [2022-11-03 01:50:37,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:50:37,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96325542] [2022-11-03 01:50:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:37,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:50:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:37,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:50:37,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96325542] [2022-11-03 01:50:37,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96325542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:37,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:37,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-03 01:50:37,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803420988] [2022-11-03 01:50:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:37,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:50:37,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:37,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:50:37,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:50:40,497 INFO L87 Difference]: Start difference. First operand has 640267 states, 633263 states have (on average 4.076686937338831) internal successors, (2581615), 640266 states have internal predecessors, (2581615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2022-11-03 01:50:46,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:46,260 INFO L93 Difference]: Finished difference Result 301262 states and 1203971 transitions. [2022-11-03 01:50:46,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:50:46,262 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2022-11-03 01:50:46,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:50,611 INFO L225 Difference]: With dead ends: 301262 [2022-11-03 01:50:50,611 INFO L226 Difference]: Without dead ends: 301257 [2022-11-03 01:50:50,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:50:50,616 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:50,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:50:52,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301257 states. [2022-11-03 01:51:03,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301257 to 301257. [2022-11-03 01:51:05,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301257 states, 300978 states have (on average 4.000159480094891) internal successors, (1203960), 301256 states have internal predecessors, (1203960), 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)