./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-figure1-alt.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_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/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_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/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_7d2a4140-93da-431b-bea4-542ea820e3f9/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 e66d74cf738883d82d8ab680e594f84e8947532df35a185c16ed9746f38b197c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:08:46,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:08:46,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 02:08:46,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:08:46,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:08:46,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:08:46,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:08:46,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:08:46,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:08:46,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:08:46,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:08:46,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:08:46,857 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:08:46,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:08:46,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:08:46,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:08:46,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:08:46,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:08:46,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:08:46,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:08:46,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:08:46,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:08:46,860 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 02:08:46,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:08:46,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:08:46,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:08:46,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:08:46,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:08:46,861 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:08:46,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:08:46,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:08:46,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:08:46,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:08:46,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:08:46,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:08:46,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:08:46,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:08:46,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:08:46,862 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_7d2a4140-93da-431b-bea4-542ea820e3f9/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 -> e66d74cf738883d82d8ab680e594f84e8947532df35a185c16ed9746f38b197c [2024-11-28 02:08:47,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:08:47,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:08:47,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:08:47,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:08:47,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:08:47,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2024-11-28 02:08:50,320 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/data/adc6dfba6/e92f475e18c649068a2658a2e4f9fb33/FLAG1070fb1cf [2024-11-28 02:08:50,663 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:08:50,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/sv-benchmarks/c/weaver/popl20-figure1-alt.wvr.c [2024-11-28 02:08:50,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/data/adc6dfba6/e92f475e18c649068a2658a2e4f9fb33/FLAG1070fb1cf [2024-11-28 02:08:50,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/data/adc6dfba6/e92f475e18c649068a2658a2e4f9fb33 [2024-11-28 02:08:50,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:08:50,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:08:50,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:08:50,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:08:50,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:08:50,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:08:50" (1/1) ... [2024-11-28 02:08:50,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18eab6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:50, skipping insertion in model container [2024-11-28 02:08:50,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:08:50" (1/1) ... [2024-11-28 02:08:50,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:08:51,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:08:51,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:08:51,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:08:51,120 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:08:51,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51 WrapperNode [2024-11-28 02:08:51,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:08:51,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:08:51,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:08:51,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:08:51,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,171 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 89 [2024-11-28 02:08:51,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:08:51,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:08:51,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:08:51,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:08:51,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,199 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:08:51,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:08:51,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:08:51,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:08:51,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (1/1) ... [2024-11-28 02:08:51,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:08:51,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:08:51,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:08:51,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:08:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:08:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 02:08:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 02:08:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 02:08:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 02:08:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 02:08:51,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:08:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:08:51,322 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 02:08:51,441 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:08:51,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:08:51,761 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:08:51,761 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:08:51,799 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:08:51,799 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:08:51,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:51 BoogieIcfgContainer [2024-11-28 02:08:51,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:08:51,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:08:51,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:08:51,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:08:51,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:08:50" (1/3) ... [2024-11-28 02:08:51,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3698b360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:08:51, skipping insertion in model container [2024-11-28 02:08:51,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:08:51" (2/3) ... [2024-11-28 02:08:51,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3698b360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:08:51, skipping insertion in model container [2024-11-28 02:08:51,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:51" (3/3) ... [2024-11-28 02:08:51,813 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2024-11-28 02:08:51,832 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:08:51,834 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-figure1-alt.wvr.c that has 3 procedures, 121 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-28 02:08:51,835 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:08:51,963 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 02:08:52,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 128 transitions, 270 flow [2024-11-28 02:08:52,098 INFO L124 PetriNetUnfolderBase]: 8/126 cut-off events. [2024-11-28 02:08:52,100 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:08:52,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 126 events. 8/126 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 107 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2024-11-28 02:08:52,106 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 128 transitions, 270 flow [2024-11-28 02:08:52,111 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 109 transitions, 230 flow [2024-11-28 02:08:52,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:08:52,134 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;@17ff56c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:08:52,134 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-28 02:08:52,142 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:08:52,142 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-28 02:08:52,142 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:08:52,142 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:52,143 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:52,143 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 02:08:52,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:52,152 INFO L85 PathProgramCache]: Analyzing trace with hash 663867982, now seen corresponding path program 1 times [2024-11-28 02:08:52,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:52,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827653882] [2024-11-28 02:08:52,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:52,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:52,397 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 02:08:52,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:52,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827653882] [2024-11-28 02:08:52,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827653882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:52,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:52,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:08:52,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882849406] [2024-11-28 02:08:52,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:52,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:08:52,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:52,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:08:52,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:08:52,524 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2024-11-28 02:08:52,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 02:08:52,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:52,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2024-11-28 02:08:52,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:52,616 INFO L124 PetriNetUnfolderBase]: 10/138 cut-off events. [2024-11-28 02:08:52,616 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-28 02:08:52,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 138 events. 10/138 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 262 event pairs, 5 based on Foata normal form. 7/126 useless extension candidates. Maximal degree in co-relation 97. Up to 25 conditions per place. [2024-11-28 02:08:52,620 INFO L140 encePairwiseOnDemand]: 121/128 looper letters, 12 selfloop transitions, 2 changer transitions 1/104 dead transitions. [2024-11-28 02:08:52,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 104 transitions, 248 flow [2024-11-28 02:08:52,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:08:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:08:52,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2024-11-28 02:08:52,640 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8776041666666666 [2024-11-28 02:08:52,642 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 230 flow. Second operand 3 states and 337 transitions. [2024-11-28 02:08:52,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 104 transitions, 248 flow [2024-11-28 02:08:52,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 104 transitions, 240 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 02:08:52,658 INFO L231 Difference]: Finished difference. Result has 106 places, 103 transitions, 214 flow [2024-11-28 02:08:52,661 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=106, PETRI_TRANSITIONS=103} [2024-11-28 02:08:52,668 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places. [2024-11-28 02:08:52,669 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 103 transitions, 214 flow [2024-11-28 02:08:52,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 02:08:52,672 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:52,673 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] [2024-11-28 02:08:52,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:08:52,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 02:08:52,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:52,675 INFO L85 PathProgramCache]: Analyzing trace with hash 374729124, now seen corresponding path program 1 times [2024-11-28 02:08:52,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:52,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978096089] [2024-11-28 02:08:52,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:52,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:52,791 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 02:08:52,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:52,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978096089] [2024-11-28 02:08:52,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978096089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:52,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:52,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:08:52,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287948585] [2024-11-28 02:08:52,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:52,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:08:52,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:52,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:08:52,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:08:52,852 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2024-11-28 02:08:52,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 103 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 02:08:52,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:52,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2024-11-28 02:08:52,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:52,932 INFO L124 PetriNetUnfolderBase]: 10/153 cut-off events. [2024-11-28 02:08:52,933 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 02:08:52,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 153 events. 10/153 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 324 event pairs, 5 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 159. Up to 24 conditions per place. [2024-11-28 02:08:52,937 INFO L140 encePairwiseOnDemand]: 125/128 looper letters, 12 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2024-11-28 02:08:52,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 102 transitions, 240 flow [2024-11-28 02:08:52,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:08:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:08:52,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2024-11-28 02:08:52,941 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8671875 [2024-11-28 02:08:52,942 INFO L175 Difference]: Start difference. First operand has 106 places, 103 transitions, 214 flow. Second operand 3 states and 333 transitions. [2024-11-28 02:08:52,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 102 transitions, 240 flow [2024-11-28 02:08:52,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 102 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:08:52,950 INFO L231 Difference]: Finished difference. Result has 104 places, 102 transitions, 212 flow [2024-11-28 02:08:52,952 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=212, PETRI_PLACES=104, PETRI_TRANSITIONS=102} [2024-11-28 02:08:52,953 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -5 predicate places. [2024-11-28 02:08:52,954 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 102 transitions, 212 flow [2024-11-28 02:08:52,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 02:08:52,955 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:52,955 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] [2024-11-28 02:08:52,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:08:52,956 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 02:08:52,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:52,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1061119246, now seen corresponding path program 1 times [2024-11-28 02:08:52,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:52,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408793318] [2024-11-28 02:08:52,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:52,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:53,069 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 02:08:53,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:53,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408793318] [2024-11-28 02:08:53,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408793318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:53,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:53,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:08:53,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868086722] [2024-11-28 02:08:53,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:53,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:08:53,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:53,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:08:53,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:08:53,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2024-11-28 02:08:53,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 212 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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 02:08:53,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:53,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2024-11-28 02:08:53,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:53,180 INFO L124 PetriNetUnfolderBase]: 12/133 cut-off events. [2024-11-28 02:08:53,184 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 02:08:53,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 133 events. 12/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 248 event pairs, 7 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 137. Up to 28 conditions per place. [2024-11-28 02:08:53,186 INFO L140 encePairwiseOnDemand]: 124/128 looper letters, 12 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2024-11-28 02:08:53,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 99 transitions, 232 flow [2024-11-28 02:08:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:08:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:08:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 334 transitions. [2024-11-28 02:08:53,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8697916666666666 [2024-11-28 02:08:53,193 INFO L175 Difference]: Start difference. First operand has 104 places, 102 transitions, 212 flow. Second operand 3 states and 334 transitions. [2024-11-28 02:08:53,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 99 transitions, 232 flow [2024-11-28 02:08:53,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 99 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:08:53,200 INFO L231 Difference]: Finished difference. Result has 101 places, 99 transitions, 204 flow [2024-11-28 02:08:53,200 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=101, PETRI_TRANSITIONS=99} [2024-11-28 02:08:53,201 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -8 predicate places. [2024-11-28 02:08:53,201 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 99 transitions, 204 flow [2024-11-28 02:08:53,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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 02:08:53,202 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:08:53,202 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] [2024-11-28 02:08:53,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:08:53,204 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2024-11-28 02:08:53,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:53,205 INFO L85 PathProgramCache]: Analyzing trace with hash -392244456, now seen corresponding path program 1 times [2024-11-28 02:08:53,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:53,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131184569] [2024-11-28 02:08:53,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:53,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:53,297 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 02:08:53,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:53,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131184569] [2024-11-28 02:08:53,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131184569] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:53,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:53,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:08:53,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947937981] [2024-11-28 02:08:53,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:53,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:08:53,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:53,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:08:53,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:08:53,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 128 [2024-11-28 02:08:53,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 99 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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 02:08:53,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:08:53,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 128 [2024-11-28 02:08:53,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:08:53,409 INFO L124 PetriNetUnfolderBase]: 16/192 cut-off events. [2024-11-28 02:08:53,409 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 02:08:53,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 192 events. 16/192 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 567 event pairs, 2 based on Foata normal form. 1/184 useless extension candidates. Maximal degree in co-relation 203. Up to 29 conditions per place. [2024-11-28 02:08:53,415 INFO L140 encePairwiseOnDemand]: 123/128 looper letters, 0 selfloop transitions, 0 changer transitions 101/101 dead transitions. [2024-11-28 02:08:53,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 101 transitions, 245 flow [2024-11-28 02:08:53,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:08:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:08:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2024-11-28 02:08:53,420 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8802083333333334 [2024-11-28 02:08:53,420 INFO L175 Difference]: Start difference. First operand has 101 places, 99 transitions, 204 flow. Second operand 3 states and 338 transitions. [2024-11-28 02:08:53,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 101 transitions, 245 flow [2024-11-28 02:08:53,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 101 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:08:53,425 INFO L231 Difference]: Finished difference. Result has 99 places, 0 transitions, 0 flow [2024-11-28 02:08:53,426 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=99, PETRI_TRANSITIONS=0} [2024-11-28 02:08:53,427 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -10 predicate places. [2024-11-28 02:08:53,427 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 0 transitions, 0 flow [2024-11-28 02:08:53,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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 02:08:53,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2024-11-28 02:08:53,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2024-11-28 02:08:53,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2024-11-28 02:08:53,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2024-11-28 02:08:53,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2024-11-28 02:08:53,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2024-11-28 02:08:53,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2024-11-28 02:08:53,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2024-11-28 02:08:53,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2024-11-28 02:08:53,432 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2024-11-28 02:08:53,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2024-11-28 02:08:53,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2024-11-28 02:08:53,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:08:53,433 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 02:08:53,441 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:08:53,441 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:08:53,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:08:53 BasicIcfg [2024-11-28 02:08:53,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:08:53,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:08:53,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:08:53,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:08:53,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:08:51" (3/4) ... [2024-11-28 02:08:53,452 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:08:53,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 02:08:53,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 02:08:53,464 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 02:08:53,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:08:53,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:08:53,467 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:08:53,575 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:08:53,576 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:08:53,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:08:53,578 INFO L158 Benchmark]: Toolchain (without parser) took 2833.13ms. Allocated memory is still 167.8MB. Free memory was 129.7MB in the beginning and 99.1MB in the end (delta: 30.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-28 02:08:53,579 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:08:53,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.21ms. Allocated memory is still 167.8MB. Free memory was 129.7MB in the beginning and 118.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:08:53,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.99ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 116.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:08:53,581 INFO L158 Benchmark]: Boogie Preprocessor took 49.27ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 116.1MB in the end (delta: 749.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:08:53,582 INFO L158 Benchmark]: RCFGBuilder took 574.73ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 101.5MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:08:53,582 INFO L158 Benchmark]: TraceAbstraction took 1643.91ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 104.3MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:08:53,585 INFO L158 Benchmark]: Witness Printer took 127.20ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 99.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:08:53,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.21ms. Allocated memory is still 167.8MB. Free memory was 129.7MB in the beginning and 118.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.99ms. Allocated memory is still 167.8MB. Free memory was 118.3MB in the beginning and 116.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.27ms. Allocated memory is still 167.8MB. Free memory was 116.9MB in the beginning and 116.1MB in the end (delta: 749.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 574.73ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 101.5MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1643.91ms. Allocated memory is still 167.8MB. Free memory was 100.9MB in the beginning and 104.3MB in the end (delta: -3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.20ms. Allocated memory is still 167.8MB. Free memory was 103.6MB in the beginning and 99.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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 5 procedures, 160 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 18 mSDtfsCounter, 116 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=230occurred 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, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:08:53,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d2a4140-93da-431b-bea4-542ea820e3f9/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