./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme --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 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:47:05,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:47:05,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:47:05,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:47:05,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:47:05,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:47:05,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:47:05,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:47:05,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:47:05,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:47:05,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:47:05,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:47:05,729 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:47:05,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:47:05,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:47:05,732 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:47:05,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:47:05,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:47:05,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:47:05,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:47:05,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:47:05,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:47:05,736 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:47:05,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:47:05,737 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:47:05,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:47:05,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:47:05,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:47:05,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:47:05,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:47:05,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:05,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:47:05,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:47:05,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:47:05,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:47:05,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:47:05,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:47:05,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:47:05,745 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:47:05,746 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:47:05,746 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:47:05,747 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_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c [2023-11-26 11:47:06,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:47:06,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:47:06,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:47:06,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:47:06,066 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:47:06,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-11-26 11:47:09,327 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:47:09,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:47:09,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-11-26 11:47:09,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/data/f937b2c1c/cebc8a295b8a4df3afe6194f138e169d/FLAGc17951de2 [2023-11-26 11:47:09,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/data/f937b2c1c/cebc8a295b8a4df3afe6194f138e169d [2023-11-26 11:47:09,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:47:09,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:47:09,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:09,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:47:09,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:47:09,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656a06a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:09, skipping insertion in model container [2023-11-26 11:47:09,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:09" (1/1) ... [2023-11-26 11:47:09,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:47:10,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:10,129 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:47:10,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:10,215 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:47:10,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10 WrapperNode [2023-11-26 11:47:10,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:10,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:10,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:47:10,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:47:10,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,261 INFO L138 Inliner]: procedures = 163, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-26 11:47:10,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:10,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:47:10,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:47:10,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:47:10,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:47:10,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:47:10,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:47:10,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:47:10,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (1/1) ... [2023-11-26 11:47:10,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:10,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:47:10,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:47:10,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:47:10,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:47:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:47:10,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:47:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:47:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 11:47:10,397 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 11:47:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:47:10,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:47:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:47:10,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:47:10,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:47:10,400 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:47:10,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:47:10,564 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:47:10,732 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:47:10,766 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:47:10,766 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:47:10,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:10 BoogieIcfgContainer [2023-11-26 11:47:10,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:47:10,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:47:10,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:47:10,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:47:10,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:47:09" (1/3) ... [2023-11-26 11:47:10,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf5ee90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:10, skipping insertion in model container [2023-11-26 11:47:10,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:10" (2/3) ... [2023-11-26 11:47:10,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf5ee90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:47:10, skipping insertion in model container [2023-11-26 11:47:10,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:10" (3/3) ... [2023-11-26 11:47:10,778 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-11-26 11:47:10,786 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:47:10,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:47:10,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 11:47:10,795 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:47:10,847 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:47:10,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 77 transitions, 158 flow [2023-11-26 11:47:10,999 INFO L124 PetriNetUnfolderBase]: 2/76 cut-off events. [2023-11-26 11:47:10,999 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:47:11,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 76 events. 2/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2023-11-26 11:47:11,003 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 77 transitions, 158 flow [2023-11-26 11:47:11,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 76 transitions, 155 flow [2023-11-26 11:47:11,018 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:47:11,025 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;@54479e94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:47:11,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-26 11:47:11,041 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:47:11,042 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2023-11-26 11:47:11,042 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:47:11,042 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:11,043 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] [2023-11-26 11:47:11,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-26 11:47:11,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:11,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1638949915, now seen corresponding path program 1 times [2023-11-26 11:47:11,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:11,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066242143] [2023-11-26 11:47:11,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:11,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:11,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:11,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:11,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066242143] [2023-11-26 11:47:11,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066242143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:11,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:11,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:11,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477458218] [2023-11-26 11:47:11,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:11,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:11,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:11,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:11,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:11,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 77 [2023-11-26 11:47:11,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 76 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-11-26 11:47:11,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:11,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 77 [2023-11-26 11:47:11,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:11,594 INFO L124 PetriNetUnfolderBase]: 32/199 cut-off events. [2023-11-26 11:47:11,595 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:47:11,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 199 events. 32/199 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 706 event pairs, 24 based on Foata normal form. 17/209 useless extension candidates. Maximal degree in co-relation 250. Up to 64 conditions per place. [2023-11-26 11:47:11,599 INFO L140 encePairwiseOnDemand]: 70/77 looper letters, 16 selfloop transitions, 4 changer transitions 0/77 dead transitions. [2023-11-26 11:47:11,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 77 transitions, 197 flow [2023-11-26 11:47:11,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-11-26 11:47:11,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8874458874458875 [2023-11-26 11:47:11,614 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-11-26 11:47:11,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-11-26 11:47:11,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:11,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-11-26 11:47:11,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-26 11:47:11,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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) [2023-11-26 11:47:11,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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) [2023-11-26 11:47:11,630 INFO L175 Difference]: Start difference. First operand has 78 places, 76 transitions, 155 flow. Second operand 3 states and 205 transitions. [2023-11-26 11:47:11,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 77 transitions, 197 flow [2023-11-26 11:47:11,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 77 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:47:11,638 INFO L231 Difference]: Finished difference. Result has 78 places, 74 transitions, 174 flow [2023-11-26 11:47:11,640 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=78, PETRI_TRANSITIONS=74} [2023-11-26 11:47:11,644 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, 0 predicate places. [2023-11-26 11:47:11,645 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 74 transitions, 174 flow [2023-11-26 11:47:11,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-11-26 11:47:11,645 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:11,645 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] [2023-11-26 11:47:11,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:47:11,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-26 11:47:11,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:11,647 INFO L85 PathProgramCache]: Analyzing trace with hash -917823677, now seen corresponding path program 1 times [2023-11-26 11:47:11,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:11,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395461086] [2023-11-26 11:47:11,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:11,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:11,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:11,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395461086] [2023-11-26 11:47:11,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395461086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:11,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:11,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:47:11,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335422404] [2023-11-26 11:47:11,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:11,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:47:11,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:11,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:47:11,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:47:11,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 77 [2023-11-26 11:47:11,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 74 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-11-26 11:47:11,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:11,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 77 [2023-11-26 11:47:11,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:11,901 INFO L124 PetriNetUnfolderBase]: 30/302 cut-off events. [2023-11-26 11:47:11,901 INFO L125 PetriNetUnfolderBase]: For 27/29 co-relation queries the response was YES. [2023-11-26 11:47:11,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 302 events. 30/302 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1461 event pairs, 17 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 397. Up to 51 conditions per place. [2023-11-26 11:47:11,908 INFO L140 encePairwiseOnDemand]: 73/77 looper letters, 13 selfloop transitions, 3 changer transitions 5/80 dead transitions. [2023-11-26 11:47:11,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 80 transitions, 228 flow [2023-11-26 11:47:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:47:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:47:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-11-26 11:47:11,915 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8874458874458875 [2023-11-26 11:47:11,915 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-11-26 11:47:11,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-11-26 11:47:11,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:11,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-11-26 11:47:11,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-26 11:47:11,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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) [2023-11-26 11:47:11,923 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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) [2023-11-26 11:47:11,924 INFO L175 Difference]: Start difference. First operand has 78 places, 74 transitions, 174 flow. Second operand 3 states and 205 transitions. [2023-11-26 11:47:11,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 80 transitions, 228 flow [2023-11-26 11:47:11,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:47:11,931 INFO L231 Difference]: Finished difference. Result has 80 places, 73 transitions, 180 flow [2023-11-26 11:47:11,933 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=80, PETRI_TRANSITIONS=73} [2023-11-26 11:47:11,934 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, 2 predicate places. [2023-11-26 11:47:11,934 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 73 transitions, 180 flow [2023-11-26 11:47:11,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-11-26 11:47:11,935 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:47:11,936 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] [2023-11-26 11:47:11,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:47:11,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-26 11:47:11,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:47:11,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1595533179, now seen corresponding path program 1 times [2023-11-26 11:47:11,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:47:11,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753618625] [2023-11-26 11:47:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:47:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:47:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:47:12,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:47:12,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:47:12,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753618625] [2023-11-26 11:47:12,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753618625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:47:12,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:47:12,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:47:12,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034126505] [2023-11-26 11:47:12,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:47:12,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:47:12,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:47:12,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:47:12,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:47:12,533 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 77 [2023-11-26 11:47:12,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 73 transitions, 180 flow. Second operand has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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) [2023-11-26 11:47:12,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:47:12,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 77 [2023-11-26 11:47:12,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:47:12,609 INFO L124 PetriNetUnfolderBase]: 8/155 cut-off events. [2023-11-26 11:47:12,609 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-26 11:47:12,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 155 events. 8/155 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 380 event pairs, 3 based on Foata normal form. 3/154 useless extension candidates. Maximal degree in co-relation 176. Up to 15 conditions per place. [2023-11-26 11:47:12,611 INFO L140 encePairwiseOnDemand]: 72/77 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2023-11-26 11:47:12,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 72 transitions, 188 flow [2023-11-26 11:47:12,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:47:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 11:47:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 335 transitions. [2023-11-26 11:47:12,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8701298701298701 [2023-11-26 11:47:12,613 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 335 transitions. [2023-11-26 11:47:12,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 335 transitions. [2023-11-26 11:47:12,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:47:12,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 335 transitions. [2023-11-26 11:47:12,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 67.0) internal successors, (335), 5 states have internal predecessors, (335), 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) [2023-11-26 11:47:12,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 77.0) internal successors, (462), 6 states have internal predecessors, (462), 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) [2023-11-26 11:47:12,618 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 77.0) internal successors, (462), 6 states have internal predecessors, (462), 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) [2023-11-26 11:47:12,618 INFO L175 Difference]: Start difference. First operand has 80 places, 73 transitions, 180 flow. Second operand 5 states and 335 transitions. [2023-11-26 11:47:12,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 72 transitions, 188 flow [2023-11-26 11:47:12,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 72 transitions, 173 flow, removed 4 selfloop flow, removed 5 redundant places. [2023-11-26 11:47:12,621 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2023-11-26 11:47:12,621 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2023-11-26 11:47:12,622 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -1 predicate places. [2023-11-26 11:47:12,623 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2023-11-26 11:47:12,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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) [2023-11-26 11:47:12,626 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-11-26 11:47:12,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-26 11:47:12,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-11-26 11:47:12,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-11-26 11:47:12,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:47:12,628 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:47:12,634 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:47:12,634 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:47:12,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:47:12 BasicIcfg [2023-11-26 11:47:12,641 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:47:12,642 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:47:12,642 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:47:12,642 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:47:12,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:47:10" (3/4) ... [2023-11-26 11:47:12,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:47:12,648 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-26 11:47:12,653 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 11:47:12,653 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:47:12,653 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 11:47:12,653 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:47:12,756 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:47:12,756 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:47:12,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:47:12,757 INFO L158 Benchmark]: Toolchain (without parser) took 3084.24ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 82.7MB in the end (delta: 27.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,758 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory was 75.9MB in the beginning and 75.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:12,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.64ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 90.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.27ms. Allocated memory is still 157.3MB. Free memory was 90.6MB in the beginning and 88.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,759 INFO L158 Benchmark]: Boogie Preprocessor took 31.78ms. Allocated memory is still 157.3MB. Free memory was 88.6MB in the beginning and 87.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,760 INFO L158 Benchmark]: RCFGBuilder took 474.04ms. Allocated memory is still 157.3MB. Free memory was 87.0MB in the beginning and 72.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,760 INFO L158 Benchmark]: TraceAbstraction took 1869.91ms. Allocated memory is still 157.3MB. Free memory was 71.4MB in the beginning and 85.9MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:47:12,760 INFO L158 Benchmark]: Witness Printer took 115.00ms. Allocated memory is still 157.3MB. Free memory was 85.9MB in the beginning and 82.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:47:12,763 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory was 75.9MB in the beginning and 75.7MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.64ms. Allocated memory is still 157.3MB. Free memory was 110.0MB in the beginning and 90.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.27ms. Allocated memory is still 157.3MB. Free memory was 90.6MB in the beginning and 88.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.78ms. Allocated memory is still 157.3MB. Free memory was 88.6MB in the beginning and 87.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.04ms. Allocated memory is still 157.3MB. Free memory was 87.0MB in the beginning and 72.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1869.91ms. Allocated memory is still 157.3MB. Free memory was 71.4MB in the beginning and 85.9MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 115.00ms. Allocated memory is still 157.3MB. Free memory was 85.9MB in the beginning and 82.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 95 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 3 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:47:12,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a93977c-a3a9-4d51-a9c4-ab11d593d3af/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE