./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-difference-det.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_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/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_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/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_dd9db785-fd5e-42ad-b7d5-db975ed75f87/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 74892b4fb04a6fe0e809c110df08d9da57c5c90ea65da5b04a32432686fc90f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:12:08,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:12:08,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:12:08,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:12:08,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:12:08,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:12:08,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:12:08,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:12:08,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:12:08,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:12:08,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:12:08,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:12:08,412 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:12:08,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:12:08,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:12:08,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:12:08,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:12:08,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:12:08,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:12:08,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:12:08,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:12:08,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:12:08,414 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:12:08,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:12:08,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:12:08,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:12:08,416 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:12:08,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:12:08,416 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:12:08,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:12:08,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:12:08,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:12:08,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:12:08,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:12:08,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:12:08,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:12:08,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:12:08,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:12:08,418 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:12:08,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:12:08,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:12:08,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:12:08,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:12:08,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:12:08,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:12:08,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:12:08,419 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_dd9db785-fd5e-42ad-b7d5-db975ed75f87/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 -> 74892b4fb04a6fe0e809c110df08d9da57c5c90ea65da5b04a32432686fc90f8 [2024-11-28 04:12:08,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:12:08,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:12:08,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:12:08,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:12:08,799 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:12:08,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2024-11-28 04:12:12,357 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/data/fd60400de/1e6e37163663446c8171d9b20db4e189/FLAG31748b0ac [2024-11-28 04:12:12,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:12:12,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2024-11-28 04:12:12,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/data/fd60400de/1e6e37163663446c8171d9b20db4e189/FLAG31748b0ac [2024-11-28 04:12:12,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/data/fd60400de/1e6e37163663446c8171d9b20db4e189 [2024-11-28 04:12:12,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:12:12,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:12:12,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:12:12,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:12:12,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:12:12,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:12,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2837277a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12, skipping insertion in model container [2024-11-28 04:12:12,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:12,662 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:12:12,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:12:12,870 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:12:12,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:12:12,918 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:12:12,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12 WrapperNode [2024-11-28 04:12:12,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:12:12,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:12:12,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:12:12,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:12:12,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:12,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:12,970 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 111 [2024-11-28 04:12:12,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:12:12,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:12:12,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:12:12,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:12:12,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:12,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:12,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:12,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:12,997 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:13,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:13,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:13,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:13,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:13,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:12:13,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:12:13,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:12:13,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:12:13,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (1/1) ... [2024-11-28 04:12:13,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:12:13,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:12:13,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:12:13,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:12:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:12:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:12:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:12:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:12:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:12:13,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 04:12:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 04:12:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 04:12:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 04:12:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:12:13,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:12:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:12:13,091 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:12:13,198 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:12:13,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:12:13,573 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:12:13,573 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:12:13,618 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:12:13,619 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:12:13,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:12:13 BoogieIcfgContainer [2024-11-28 04:12:13,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:12:13,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:12:13,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:12:13,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:12:13,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:12:12" (1/3) ... [2024-11-28 04:12:13,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2d9a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:12:13, skipping insertion in model container [2024-11-28 04:12:13,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:12:12" (2/3) ... [2024-11-28 04:12:13,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e2d9a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:12:13, skipping insertion in model container [2024-11-28 04:12:13,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:12:13" (3/3) ... [2024-11-28 04:12:13,641 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2024-11-28 04:12:13,663 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:12:13,665 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-difference-det.wvr.c that has 5 procedures, 152 locations, 1 initial locations, 4 loop locations, and 6 error locations. [2024-11-28 04:12:13,665 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:12:13,839 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-28 04:12:13,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 164 places, 162 transitions, 352 flow [2024-11-28 04:12:14,028 INFO L124 PetriNetUnfolderBase]: 11/158 cut-off events. [2024-11-28 04:12:14,033 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 04:12:14,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 158 events. 11/158 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 228 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 117. Up to 2 conditions per place. [2024-11-28 04:12:14,043 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 162 transitions, 352 flow [2024-11-28 04:12:14,052 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 141 transitions, 303 flow [2024-11-28 04:12:14,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:12:14,079 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;@3e92362c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:12:14,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-11-28 04:12:14,089 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:12:14,089 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-28 04:12:14,089 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:12:14,089 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:12:14,090 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] [2024-11-28 04:12:14,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 04:12:14,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:12:14,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1646807615, now seen corresponding path program 1 times [2024-11-28 04:12:14,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:12:14,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264965863] [2024-11-28 04:12:14,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:12:14,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:12:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:12:14,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:12:14,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:12:14,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264965863] [2024-11-28 04:12:14,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264965863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:12:14,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:12:14,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:12:14,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753406259] [2024-11-28 04:12:14,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:12:14,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:12:14,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:12:14,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:12:14,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:12:14,426 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2024-11-28 04:12:14,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 303 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-28 04:12:14,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:12:14,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2024-11-28 04:12:14,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:12:14,800 INFO L124 PetriNetUnfolderBase]: 167/726 cut-off events. [2024-11-28 04:12:14,801 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2024-11-28 04:12:14,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 726 events. 167/726 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4607 event pairs, 119 based on Foata normal form. 109/733 useless extension candidates. Maximal degree in co-relation 926. Up to 244 conditions per place. [2024-11-28 04:12:14,818 INFO L140 encePairwiseOnDemand]: 153/162 looper letters, 16 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2024-11-28 04:12:14,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 134 transitions, 325 flow [2024-11-28 04:12:14,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:12:14,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:12:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2024-11-28 04:12:14,842 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8724279835390947 [2024-11-28 04:12:14,846 INFO L175 Difference]: Start difference. First operand has 144 places, 141 transitions, 303 flow. Second operand 3 states and 424 transitions. [2024-11-28 04:12:14,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 134 transitions, 325 flow [2024-11-28 04:12:14,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 134 transitions, 312 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-11-28 04:12:14,866 INFO L231 Difference]: Finished difference. Result has 138 places, 134 transitions, 280 flow [2024-11-28 04:12:14,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=138, PETRI_TRANSITIONS=134} [2024-11-28 04:12:14,876 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -6 predicate places. [2024-11-28 04:12:14,876 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 134 transitions, 280 flow [2024-11-28 04:12:14,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-28 04:12:14,877 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:12:14,880 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] [2024-11-28 04:12:14,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:12:14,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 04:12:14,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:12:14,882 INFO L85 PathProgramCache]: Analyzing trace with hash 346773646, now seen corresponding path program 1 times [2024-11-28 04:12:14,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:12:14,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171633193] [2024-11-28 04:12:14,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:12:14,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:12:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:12:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:12:14,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:12:14,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171633193] [2024-11-28 04:12:14,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171633193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:12:14,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:12:14,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:12:14,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616288788] [2024-11-28 04:12:14,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:12:14,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:12:14,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:12:14,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:12:14,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:12:14,988 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 162 [2024-11-28 04:12:14,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 134 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-28 04:12:14,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:12:14,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 162 [2024-11-28 04:12:14,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:12:15,243 INFO L124 PetriNetUnfolderBase]: 181/905 cut-off events. [2024-11-28 04:12:15,243 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-28 04:12:15,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1205 conditions, 905 events. 181/905 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5940 event pairs, 119 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1175. Up to 261 conditions per place. [2024-11-28 04:12:15,256 INFO L140 encePairwiseOnDemand]: 159/162 looper letters, 16 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2024-11-28 04:12:15,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 133 transitions, 314 flow [2024-11-28 04:12:15,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:12:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:12:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2024-11-28 04:12:15,264 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8600823045267489 [2024-11-28 04:12:15,264 INFO L175 Difference]: Start difference. First operand has 138 places, 134 transitions, 280 flow. Second operand 3 states and 418 transitions. [2024-11-28 04:12:15,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 133 transitions, 314 flow [2024-11-28 04:12:15,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 133 transitions, 310 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:12:15,270 INFO L231 Difference]: Finished difference. Result has 137 places, 133 transitions, 278 flow [2024-11-28 04:12:15,271 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=137, PETRI_TRANSITIONS=133} [2024-11-28 04:12:15,272 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -7 predicate places. [2024-11-28 04:12:15,273 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 133 transitions, 278 flow [2024-11-28 04:12:15,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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) [2024-11-28 04:12:15,273 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:12:15,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:12:15,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:12:15,275 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 04:12:15,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:12:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash -823593537, now seen corresponding path program 1 times [2024-11-28 04:12:15,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:12:15,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988724852] [2024-11-28 04:12:15,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:12:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:12:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:12:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:12:15,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:12:15,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988724852] [2024-11-28 04:12:15,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988724852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:12:15,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:12:15,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:12:15,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802723565] [2024-11-28 04:12:15,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:12:15,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:12:15,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:12:15,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:12:15,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:12:15,381 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2024-11-28 04:12:15,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 133 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-11-28 04:12:15,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:12:15,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2024-11-28 04:12:15,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:12:15,644 INFO L124 PetriNetUnfolderBase]: 288/1127 cut-off events. [2024-11-28 04:12:15,645 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-28 04:12:15,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1619 conditions, 1127 events. 288/1127 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7888 event pairs, 182 based on Foata normal form. 0/984 useless extension candidates. Maximal degree in co-relation 1581. Up to 397 conditions per place. [2024-11-28 04:12:15,662 INFO L140 encePairwiseOnDemand]: 158/162 looper letters, 21 selfloop transitions, 2 changer transitions 0/138 dead transitions. [2024-11-28 04:12:15,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 138 transitions, 338 flow [2024-11-28 04:12:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:12:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:12:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2024-11-28 04:12:15,665 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2024-11-28 04:12:15,665 INFO L175 Difference]: Start difference. First operand has 137 places, 133 transitions, 278 flow. Second operand 3 states and 430 transitions. [2024-11-28 04:12:15,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 138 transitions, 338 flow [2024-11-28 04:12:15,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 138 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:12:15,672 INFO L231 Difference]: Finished difference. Result has 136 places, 133 transitions, 284 flow [2024-11-28 04:12:15,676 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=136, PETRI_TRANSITIONS=133} [2024-11-28 04:12:15,677 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -8 predicate places. [2024-11-28 04:12:15,677 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 284 flow [2024-11-28 04:12:15,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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) [2024-11-28 04:12:15,678 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:12:15,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:12:15,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:12:15,678 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread3Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-28 04:12:15,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:12:15,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1582498054, now seen corresponding path program 1 times [2024-11-28 04:12:15,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:12:15,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828337329] [2024-11-28 04:12:15,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:12:15,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:12:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:12:15,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:12:15,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:12:15,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828337329] [2024-11-28 04:12:15,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828337329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:12:15,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:12:15,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:12:15,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402584742] [2024-11-28 04:12:15,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:12:15,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:12:15,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:12:15,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:12:15,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:12:15,817 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 162 [2024-11-28 04:12:15,818 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2024-11-28 04:12:15,818 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:12:15,818 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 162 [2024-11-28 04:12:15,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:12:16,144 INFO L124 PetriNetUnfolderBase]: 390/1445 cut-off events. [2024-11-28 04:12:16,144 INFO L125 PetriNetUnfolderBase]: For 47/56 co-relation queries the response was YES. [2024-11-28 04:12:16,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2053 conditions, 1445 events. 390/1445 cut-off events. For 47/56 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10788 event pairs, 60 based on Foata normal form. 1/1272 useless extension candidates. Maximal degree in co-relation 1719. Up to 507 conditions per place. [2024-11-28 04:12:16,153 INFO L140 encePairwiseOnDemand]: 158/162 looper letters, 0 selfloop transitions, 0 changer transitions 138/138 dead transitions. [2024-11-28 04:12:16,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 138 transitions, 344 flow [2024-11-28 04:12:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:12:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:12:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2024-11-28 04:12:16,155 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8847736625514403 [2024-11-28 04:12:16,156 INFO L175 Difference]: Start difference. First operand has 136 places, 133 transitions, 284 flow. Second operand 3 states and 430 transitions. [2024-11-28 04:12:16,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 138 transitions, 344 flow [2024-11-28 04:12:16,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 138 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:12:16,159 INFO L231 Difference]: Finished difference. Result has 136 places, 0 transitions, 0 flow [2024-11-28 04:12:16,160 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=136, PETRI_TRANSITIONS=0} [2024-11-28 04:12:16,160 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, -8 predicate places. [2024-11-28 04:12:16,161 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 0 transitions, 0 flow [2024-11-28 04:12:16,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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) [2024-11-28 04:12:16,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2024-11-28 04:12:16,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2024-11-28 04:12:16,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2024-11-28 04:12:16,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2024-11-28 04:12:16,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2024-11-28 04:12:16,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining) [2024-11-28 04:12:16,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 14 remaining) [2024-11-28 04:12:16,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2024-11-28 04:12:16,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 14 remaining) [2024-11-28 04:12:16,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2024-11-28 04:12:16,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2024-11-28 04:12:16,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2024-11-28 04:12:16,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2024-11-28 04:12:16,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2024-11-28 04:12:16,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:12:16,173 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 04:12:16,182 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:12:16,182 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:12:16,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:12:16 BasicIcfg [2024-11-28 04:12:16,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:12:16,194 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:12:16,194 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:12:16,194 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:12:16,195 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:12:13" (3/4) ... [2024-11-28 04:12:16,201 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:12:16,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:12:16,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:12:16,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 04:12:16,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-28 04:12:16,211 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 04:12:16,212 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:12:16,213 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:12:16,213 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:12:16,314 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:12:16,314 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:12:16,315 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:12:16,316 INFO L158 Benchmark]: Toolchain (without parser) took 3678.63ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 54.3MB in the end (delta: 38.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-11-28 04:12:16,317 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:12:16,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.78ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:12:16,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.47ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:12:16,320 INFO L158 Benchmark]: Boogie Preprocessor took 43.69ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:12:16,320 INFO L158 Benchmark]: RCFGBuilder took 600.90ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 62.9MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:12:16,321 INFO L158 Benchmark]: TraceAbstraction took 2564.85ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 59.3MB in the end (delta: 3.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2024-11-28 04:12:16,322 INFO L158 Benchmark]: Witness Printer took 120.68ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 54.3MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:12:16,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.78ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.47ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.69ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 600.90ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 62.9MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2564.85ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 59.3MB in the end (delta: 3.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Witness Printer took 120.68ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 54.3MB in the end (delta: 5.0MB). 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: 77]: 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, 230 locations, 14 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: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 19 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.2s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:12:16,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd9db785-fd5e-42ad-b7d5-db975ed75f87/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE