./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_10-ptrmunge_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_10-ptrmunge_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2 --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 337bc30baab893db6c1e898eac989d238a0e57740b5469c94ed68dbaffc92f80 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:25:05,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:25:05,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-02 12:25:05,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:25:05,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:25:05,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:25:05,584 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:25:05,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:25:05,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:25:05,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:25:05,586 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:25:05,587 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:25:05,587 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:25:05,587 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:25:05,588 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:25:05,588 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:25:05,589 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:25:05,589 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:25:05,590 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:25:05,590 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:25:05,590 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:25:05,595 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:25:05,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:25:05,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:25:05,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:25:05,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:25:05,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:25:05,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:25:05,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:25:05,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:25:05,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:25:05,613 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-02 12:25:05,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:25:05,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-02 12:25:05,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:25:05,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:25:05,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:25:05,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:25:05,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:25:05,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:05,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:25:05,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:25:05,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:25:05,616 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:25:05,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:25:05,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:25:05,617 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:25:05,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:25:05,618 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_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337bc30baab893db6c1e898eac989d238a0e57740b5469c94ed68dbaffc92f80 [2024-11-02 12:25:06,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:25:06,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:25:06,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:25:06,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:25:06,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:25:06,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/goblint-regression/28-race_reach_10-ptrmunge_racefree.i Unable to find full path for "g++" [2024-11-02 12:25:08,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:25:08,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:25:08,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/sv-benchmarks/c/goblint-regression/28-race_reach_10-ptrmunge_racefree.i [2024-11-02 12:25:08,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/data/c3fe7dbb3/37044c0de446492cbc00a3a95a01c2b6/FLAG4e4b43864 [2024-11-02 12:25:08,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/data/c3fe7dbb3/37044c0de446492cbc00a3a95a01c2b6 [2024-11-02 12:25:08,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:25:08,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:25:08,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:08,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:25:08,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:25:08,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:08" (1/1) ... [2024-11-02 12:25:08,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d3a89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:08, skipping insertion in model container [2024-11-02 12:25:08,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:25:08" (1/1) ... [2024-11-02 12:25:08,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:25:09,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:09,353 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:25:09,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:25:09,444 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:25:09,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09 WrapperNode [2024-11-02 12:25:09,444 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:25:09,445 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:09,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:25:09,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:25:09,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,519 INFO L138 Inliner]: procedures = 173, calls = 57, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 325 [2024-11-02 12:25:09,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:25:09,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:25:09,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:25:09,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:25:09,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:25:09,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:25:09,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:25:09,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:25:09,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (1/1) ... [2024-11-02 12:25:09,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:25:09,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:25:09,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:25:09,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ecb6fc8-fbde-4a71-b47f-62e69e5fbb2d/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:25:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:25:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-02 12:25:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-02 12:25:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:25:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-02 12:25:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:25:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-02 12:25:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-02 12:25:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-02 12:25:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-02 12:25:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:25:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-02 12:25:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:25:09,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:25:09,646 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-02 12:25:09,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:25:09,791 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:25:10,396 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-02 12:25:10,396 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:25:10,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:25:10,459 INFO L316 CfgBuilder]: Removed 24 assume(true) statements. [2024-11-02 12:25:10,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:10 BoogieIcfgContainer [2024-11-02 12:25:10,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:25:10,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:25:10,464 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:25:10,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:25:10,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:25:08" (1/3) ... [2024-11-02 12:25:10,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59be6405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:10, skipping insertion in model container [2024-11-02 12:25:10,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:25:09" (2/3) ... [2024-11-02 12:25:10,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59be6405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:25:10, skipping insertion in model container [2024-11-02 12:25:10,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:25:10" (3/3) ... [2024-11-02 12:25:10,497 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_10-ptrmunge_racefree.i [2024-11-02 12:25:10,516 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:25:10,517 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-11-02 12:25:10,517 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-02 12:25:10,710 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-02 12:25:10,766 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 302 places, 331 transitions, 682 flow [2024-11-02 12:25:24,172 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 435782 states, 435460 states have (on average 3.270068433380793) internal successors, (1423984), 435781 states have internal predecessors, (1423984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:25:24,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:25:24,246 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4142ef78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:25:24,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-02 12:25:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 435782 states, 435460 states have (on average 3.270068433380793) internal successors, (1423984), 435781 states have internal predecessors, (1423984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:25:24,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 12:25:24,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:25:24,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:25:24,968 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr4ASSERT_VIOLATIONDATA_RACE, t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-02 12:25:24,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:25:24,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1361747000, now seen corresponding path program 1 times [2024-11-02 12:25:24,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:25:24,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169792025] [2024-11-02 12:25:24,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:25:24,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:25:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:25:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-02 12:25:26,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-02 12:25:26,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169792025] [2024-11-02 12:25:26,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169792025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:25:26,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:25:26,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:25:26,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93277832] [2024-11-02 12:25:26,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:25:26,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:25:26,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-02 12:25:26,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:25:26,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:25:27,054 INFO L87 Difference]: Start difference. First operand has 435782 states, 435460 states have (on average 3.270068433380793) internal successors, (1423984), 435781 states have internal predecessors, (1423984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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)