./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix014_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 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_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix014_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fc83f7400faec1e297c0070148ef6e08fc24a46b81d9a9e52a0ee501a0da326 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:08:10,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:08:10,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:08:10,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:08:10,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:08:10,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:08:10,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:08:10,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:08:10,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:08:10,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:08:10,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:08:10,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:08:10,741 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:08:10,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:08:10,742 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:08:10,742 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:08:10,743 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:08:10,743 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:08:10,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:08:10,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:08:10,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:08:10,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:08:10,745 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:08:10,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:08:10,746 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:08:10,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:08:10,747 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:08:10,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:08:10,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:08:10,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:08:10,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:10,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:08:10,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:08:10,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:08:10,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:08:10,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:08:10,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:08:10,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:08:10,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:08:10,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:08:10,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:08:10,751 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fc83f7400faec1e297c0070148ef6e08fc24a46b81d9a9e52a0ee501a0da326 [2023-11-21 22:08:11,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:08:11,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:08:11,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:08:11,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:08:11,155 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:08:11,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/pthread-wmm/mix014_tso.oepc.i [2023-11-21 22:08:14,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:08:14,638 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:08:14,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/sv-benchmarks/c/pthread-wmm/mix014_tso.oepc.i [2023-11-21 22:08:14,669 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/data/77168ddc5/505f5da2554b4998a8d860ef3ce63262/FLAG7ed6de2dc [2023-11-21 22:08:14,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/data/77168ddc5/505f5da2554b4998a8d860ef3ce63262 [2023-11-21 22:08:14,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:08:14,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:08:14,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:14,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:08:14,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:08:14,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:14" (1/1) ... [2023-11-21 22:08:14,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd22b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:14, skipping insertion in model container [2023-11-21 22:08:14,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:08:14" (1/1) ... [2023-11-21 22:08:14,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:08:15,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:15,341 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:08:15,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:08:15,503 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:15,504 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:08:15,510 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:08:15,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15 WrapperNode [2023-11-21 22:08:15,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:08:15,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:15,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:08:15,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:08:15,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,636 INFO L138 Inliner]: procedures = 177, calls = 73, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 2411 [2023-11-21 22:08:15,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:08:15,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:08:15,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:08:15,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:08:15,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:08:15,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:08:15,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:08:15,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:08:15,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (1/1) ... [2023-11-21 22:08:15,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:08:15,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:08:15,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:08:15,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598fdfc6-ec29-402d-9442-c9982dce06e7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:08:15,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:08:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:08:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:08:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:08:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:08:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 22:08:15,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 22:08:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 22:08:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 22:08:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 22:08:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 22:08:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 22:08:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 22:08:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:08:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:08:15,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:08:15,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:08:15,934 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:08:16,268 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:08:16,269 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:08:18,999 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:08:38,275 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:08:38,276 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:08:38,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:38 BoogieIcfgContainer [2023-11-21 22:08:38,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:08:38,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:08:38,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:08:38,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:08:38,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:08:14" (1/3) ... [2023-11-21 22:08:38,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7594a91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:38, skipping insertion in model container [2023-11-21 22:08:38,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:08:15" (2/3) ... [2023-11-21 22:08:38,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7594a91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:08:38, skipping insertion in model container [2023-11-21 22:08:38,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:08:38" (3/3) ... [2023-11-21 22:08:38,287 INFO L112 eAbstractionObserver]: Analyzing ICFG mix014_tso.oepc.i [2023-11-21 22:08:38,301 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:08:38,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:08:38,314 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 576 error locations. [2023-11-21 22:08:38,314 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:08:38,805 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 22:08:38,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 747 places, 737 transitions, 1490 flow [2023-11-21 22:08:39,660 INFO L124 PetriNetUnfolderBase]: 3/733 cut-off events. [2023-11-21 22:08:39,660 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:08:39,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 733 events. 3/733 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5125 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 676. Up to 2 conditions per place. [2023-11-21 22:08:39,696 INFO L82 GeneralOperation]: Start removeDead. Operand has 747 places, 737 transitions, 1490 flow [2023-11-21 22:08:39,788 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 743 places, 733 transitions, 1478 flow [2023-11-21 22:08:39,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:08:39,808 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=PETRI_NET, 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;@74ef4e70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:08:39,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 995 error locations. [2023-11-21 22:08:39,826 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:08:39,826 INFO L124 PetriNetUnfolderBase]: 0/65 cut-off events. [2023-11-21 22:08:39,826 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:08:39,827 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:08:39,827 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:08:39,828 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 991 more)] === [2023-11-21 22:08:39,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:08:39,841 INFO L85 PathProgramCache]: Analyzing trace with hash 314024700, now seen corresponding path program 1 times [2023-11-21 22:08:39,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:08:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114657879] [2023-11-21 22:08:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:08:39,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:08:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:08:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:08:40,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:08:40,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114657879] [2023-11-21 22:08:40,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114657879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:08:40,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:08:40,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:08:40,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386989859] [2023-11-21 22:08:40,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:08:40,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:08:40,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:08:40,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:08:40,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:08:40,262 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 737 [2023-11-21 22:08:40,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 743 places, 733 transitions, 1478 flow. Second operand has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 states have internal predecessors, (270), 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) [2023-11-21 22:08:40,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:08:40,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 737 [2023-11-21 22:08:40,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand