./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB --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 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:29:18,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:29:18,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:29:18,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:29:18,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:29:18,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:29:18,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:29:18,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:29:18,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:29:18,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:29:18,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:29:18,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:29:18,830 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:29:18,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:29:18,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:29:18,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:29:18,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:29:18,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:29:18,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:29:18,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:29:18,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:29:18,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:29:18,833 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:29:18,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:29:18,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:29:18,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:29:18,834 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:29:18,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:29:18,834 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:29:18,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:29:18,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:29:18,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:18,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:29:18,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:29:18,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:29:18,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:18,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:29:18,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:29:18,835 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:29:18,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:29:18,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:29:18,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:29:18,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:29:18,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:29:18,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:29:18,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:29:18,836 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 981eae178b9cad0bb64b87dda8360f4f1e2e23d7b9d396f9db2ad5a6977098c4 [2024-11-27 20:29:19,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:29:19,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:29:19,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:29:19,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:29:19,292 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:29:19,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2024-11-27 20:29:22,821 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/data/aba892534/58cb504020254932a63da05224bb4a6c/FLAG424ae3b30 [2024-11-27 20:29:23,176 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:29:23,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2024-11-27 20:29:23,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/data/aba892534/58cb504020254932a63da05224bb4a6c/FLAG424ae3b30 [2024-11-27 20:29:23,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/data/aba892534/58cb504020254932a63da05224bb4a6c [2024-11-27 20:29:23,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:29:23,205 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:29:23,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:29:23,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:29:23,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:29:23,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c53c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23, skipping insertion in model container [2024-11-27 20:29:23,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:29:23,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:29:23,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:29:23,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:29:23,530 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:29:23,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23 WrapperNode [2024-11-27 20:29:23,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:29:23,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:29:23,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:29:23,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:29:23,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,576 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 102 [2024-11-27 20:29:23,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:29:23,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:29:23,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:29:23,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:29:23,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,607 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:29:23,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:29:23,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:29:23,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:29:23,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (1/1) ... [2024-11-27 20:29:23,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:23,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:23,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:29:23,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:29:23,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:29:23,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:29:23,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:29:23,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:29:23,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:29:23,694 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-27 20:29:23,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-27 20:29:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-27 20:29:23,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-27 20:29:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:29:23,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:29:23,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:29:23,697 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:29:23,838 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:29:23,840 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:29:24,134 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:29:24,134 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:29:24,156 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:29:24,156 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 20:29:24,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:24 BoogieIcfgContainer [2024-11-27 20:29:24,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:29:24,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:29:24,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:29:24,165 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:29:24,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:29:23" (1/3) ... [2024-11-27 20:29:24,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364c8403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:29:24, skipping insertion in model container [2024-11-27 20:29:24,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:23" (2/3) ... [2024-11-27 20:29:24,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364c8403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:29:24, skipping insertion in model container [2024-11-27 20:29:24,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:24" (3/3) ... [2024-11-27 20:29:24,169 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-11-27 20:29:24,187 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:29:24,191 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-counter-determinism.wvr.c that has 5 procedures, 142 locations, 1 initial locations, 4 loop locations, and 5 error locations. [2024-11-27 20:29:24,191 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:29:24,309 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-27 20:29:24,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 152 transitions, 332 flow [2024-11-27 20:29:24,421 INFO L124 PetriNetUnfolderBase]: 11/148 cut-off events. [2024-11-27 20:29:24,423 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:29:24,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 148 events. 11/148 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 243 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2024-11-27 20:29:24,432 INFO L82 GeneralOperation]: Start removeDead. Operand has 154 places, 152 transitions, 332 flow [2024-11-27 20:29:24,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 131 transitions, 283 flow [2024-11-27 20:29:24,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:29:24,456 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=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;@22997ef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:29:24,456 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-27 20:29:24,466 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:29:24,466 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-27 20:29:24,466 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:29:24,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:24,467 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:24,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-27 20:29:24,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:24,473 INFO L85 PathProgramCache]: Analyzing trace with hash 2091292182, now seen corresponding path program 1 times [2024-11-27 20:29:24,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:24,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818053440] [2024-11-27 20:29:24,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:24,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:24,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:24,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:24,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818053440] [2024-11-27 20:29:24,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818053440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:24,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:24,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:29:24,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964082876] [2024-11-27 20:29:24,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:24,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:24,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:24,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:24,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:24,748 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 152 [2024-11-27 20:29:24,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 131 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-11-27 20:29:24,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:24,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 152 [2024-11-27 20:29:24,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:25,180 INFO L124 PetriNetUnfolderBase]: 399/1569 cut-off events. [2024-11-27 20:29:25,181 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2024-11-27 20:29:25,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2253 conditions, 1569 events. 399/1569 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 11941 event pairs, 272 based on Foata normal form. 66/1396 useless extension candidates. Maximal degree in co-relation 2077. Up to 558 conditions per place. [2024-11-27 20:29:25,204 INFO L140 encePairwiseOnDemand]: 143/152 looper letters, 18 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2024-11-27 20:29:25,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 124 transitions, 309 flow [2024-11-27 20:29:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:29:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2024-11-27 20:29:25,222 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8552631578947368 [2024-11-27 20:29:25,224 INFO L175 Difference]: Start difference. First operand has 134 places, 131 transitions, 283 flow. Second operand 3 states and 390 transitions. [2024-11-27 20:29:25,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 124 transitions, 309 flow [2024-11-27 20:29:25,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 124 transitions, 296 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-27 20:29:25,238 INFO L231 Difference]: Finished difference. Result has 128 places, 124 transitions, 260 flow [2024-11-27 20:29:25,241 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=128, PETRI_TRANSITIONS=124} [2024-11-27 20:29:25,245 INFO L279 CegarLoopForPetriNet]: 134 programPoint places, -6 predicate places. [2024-11-27 20:29:25,246 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 124 transitions, 260 flow [2024-11-27 20:29:25,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-11-27 20:29:25,248 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:25,248 INFO L206 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] [2024-11-27 20:29:25,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:29:25,249 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2024-11-27 20:29:25,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:25,249 INFO L85 PathProgramCache]: Analyzing trace with hash 384891350, now seen corresponding path program 1 times [2024-11-27 20:29:25,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:25,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613189508] [2024-11-27 20:29:25,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:25,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:25,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:25,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613189508] [2024-11-27 20:29:25,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613189508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:25,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:25,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:29:25,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341911773] [2024-11-27 20:29:25,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:25,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:25,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:25,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:25,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:25,404 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 152 [2024-11-27 20:29:25,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 124 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-11-27 20:29:25,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:25,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 152 [2024-11-27 20:29:25,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:26,264 INFO L124 PetriNetUnfolderBase]: 1225/4024 cut-off events. [2024-11-27 20:29:26,265 INFO L125 PetriNetUnfolderBase]: For 85/85 co-relation queries the response was YES. [2024-11-27 20:29:26,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5822 conditions, 4024 events. 1225/4024 cut-off events. For 85/85 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 36915 event pairs, 747 based on Foata normal form. 0/3584 useless extension candidates. Maximal degree in co-relation 5793. Up to 1639 conditions per place. [2024-11-27 20:29:26,291 INFO L140 encePairwiseOnDemand]: 144/152 looper letters, 0 selfloop transitions, 0 changer transitions 127/127 dead transitions. [2024-11-27 20:29:26,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 127 transitions, 324 flow [2024-11-27 20:29:26,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:29:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 388 transitions. [2024-11-27 20:29:26,298 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8508771929824561 [2024-11-27 20:29:26,298 INFO L175 Difference]: Start difference. First operand has 128 places, 124 transitions, 260 flow. Second operand 3 states and 388 transitions. [2024-11-27 20:29:26,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 127 transitions, 324 flow [2024-11-27 20:29:26,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 127 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:29:26,303 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2024-11-27 20:29:26,303 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2024-11-27 20:29:26,304 INFO L279 CegarLoopForPetriNet]: 134 programPoint places, -10 predicate places. [2024-11-27 20:29:26,305 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2024-11-27 20:29:26,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 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) [2024-11-27 20:29:26,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-27 20:29:26,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-27 20:29:26,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-27 20:29:26,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-27 20:29:26,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 13 remaining) [2024-11-27 20:29:26,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 13 remaining) [2024-11-27 20:29:26,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2024-11-27 20:29:26,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 13 remaining) [2024-11-27 20:29:26,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-27 20:29:26,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-27 20:29:26,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-27 20:29:26,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2024-11-27 20:29:26,316 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-27 20:29:26,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:29:26,319 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 20:29:26,330 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:29:26,331 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:29:26,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:29:26 BasicIcfg [2024-11-27 20:29:26,343 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:29:26,344 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:29:26,345 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:29:26,346 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:29:26,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:24" (3/4) ... [2024-11-27 20:29:26,355 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:29:26,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 20:29:26,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 20:29:26,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-27 20:29:26,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-27 20:29:26,367 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-27 20:29:26,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:29:26,368 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 20:29:26,369 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:29:26,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:29:26,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:29:26,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:29:26,481 INFO L158 Benchmark]: Toolchain (without parser) took 3275.20ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 105.7MB in the beginning and 253.4MB in the end (delta: -147.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2024-11-27 20:29:26,482 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:26,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.55ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 93.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:29:26,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.07ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 92.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:26,483 INFO L158 Benchmark]: Boogie Preprocessor took 40.97ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:29:26,485 INFO L158 Benchmark]: RCFGBuilder took 537.88ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 75.7MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:29:26,486 INFO L158 Benchmark]: TraceAbstraction took 2183.65ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 75.4MB in the beginning and 258.2MB in the end (delta: -182.8MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2024-11-27 20:29:26,486 INFO L158 Benchmark]: Witness Printer took 134.77ms. Allocated memory is still 360.7MB. Free memory was 258.2MB in the beginning and 253.4MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:26,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.55ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 93.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.07ms. Allocated memory is still 142.6MB. Free memory was 93.7MB in the beginning and 92.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.97ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 91.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 537.88ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 75.7MB in the end (delta: 15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2183.65ms. Allocated memory was 142.6MB in the beginning and 360.7MB in the end (delta: 218.1MB). Free memory was 75.4MB in the beginning and 258.2MB in the end (delta: -182.8MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Witness Printer took 134.77ms. Allocated memory is still 360.7MB. Free memory was 258.2MB in the beginning and 253.4MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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 9 procedures, 220 locations, 13 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: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 5 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:29:26,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fe8186-5787-480d-b2ca-d4467ee5b1d6/bin/uautomizer-verify-aQ6SnzHsRB/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