./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-theta/unwind2-1.i --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_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/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_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-theta/unwind2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/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_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/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 84506b1a5f2f1a1be74252915eb3882c15865a3a673842f14f5796dbb89eb736 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:25:29,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:25:29,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:25:29,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:25:29,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:25:29,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:25:29,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:25:29,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:25:29,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:25:29,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:25:29,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:25:29,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:25:29,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:25:29,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:25:29,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:25:29,842 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:25:29,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:25:29,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:25:29,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:25:29,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:25:29,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:25:29,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:25:29,843 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:25:29,843 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:25:29,843 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:25:29,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:25:29,844 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:25:29,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:25:29,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:25:29,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:29,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:29,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:29,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:25:29,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:29,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:29,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:29,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:25:29,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:25:29,846 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:25:29,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:25:29,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:25:29,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:25:29,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:25:29,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:25:29,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:25:29,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:25:29,847 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_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/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 -> 84506b1a5f2f1a1be74252915eb3882c15865a3a673842f14f5796dbb89eb736 [2024-11-27 20:25:30,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:25:30,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:25:30,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:25:30,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:25:30,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:25:30,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-theta/unwind2-1.i [2024-11-27 20:25:33,350 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/data/81b20def2/621ede2b901a47b38785381aff06c177/FLAG6f1257098 [2024-11-27 20:25:33,687 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:25:33,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/sv-benchmarks/c/pthread-theta/unwind2-1.i [2024-11-27 20:25:33,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/data/81b20def2/621ede2b901a47b38785381aff06c177/FLAG6f1257098 [2024-11-27 20:25:33,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/data/81b20def2/621ede2b901a47b38785381aff06c177 [2024-11-27 20:25:33,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:25:33,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:25:33,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:33,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:25:33,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:25:33,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:33" (1/1) ... [2024-11-27 20:25:33,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57276965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:33, skipping insertion in model container [2024-11-27 20:25:33,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:33" (1/1) ... [2024-11-27 20:25:33,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:25:34,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:34,311 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:25:34,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:34,432 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:25:34,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34 WrapperNode [2024-11-27 20:25:34,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:34,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:34,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:25:34,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:25:34,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,477 INFO L138 Inliner]: procedures = 169, calls = 12, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 99 [2024-11-27 20:25:34,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:34,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:25:34,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:25:34,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:25:34,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,494 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:25:34,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:25:34,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:25:34,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:25:34,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (1/1) ... [2024-11-27 20:25:34,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:34,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:25:34,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:25:34,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:25:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2024-11-27 20:25:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2024-11-27 20:25:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2024-11-27 20:25:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2024-11-27 20:25:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:25:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:25:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:25:34,579 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:25:34,722 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:25:34,724 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:25:34,905 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:25:34,905 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:25:34,917 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:25:34,917 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:25:34,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:34 BoogieIcfgContainer [2024-11-27 20:25:34,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:25:34,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:25:34,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:25:34,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:25:34,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:25:33" (1/3) ... [2024-11-27 20:25:34,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fded40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:34, skipping insertion in model container [2024-11-27 20:25:34,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:34" (2/3) ... [2024-11-27 20:25:34,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fded40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:34, skipping insertion in model container [2024-11-27 20:25:34,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:34" (3/3) ... [2024-11-27 20:25:34,929 INFO L128 eAbstractionObserver]: Analyzing ICFG unwind2-1.i [2024-11-27 20:25:34,946 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:25:34,948 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unwind2-1.i that has 3 procedures, 110 locations, 1 initial locations, 2 loop locations, and 5 error locations. [2024-11-27 20:25:34,948 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:25:35,024 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 20:25:35,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 116 places, 119 transitions, 252 flow [2024-11-27 20:25:35,125 INFO L124 PetriNetUnfolderBase]: 10/117 cut-off events. [2024-11-27 20:25:35,127 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:25:35,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 117 events. 10/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 148 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2024-11-27 20:25:35,136 INFO L82 GeneralOperation]: Start removeDead. Operand has 116 places, 119 transitions, 252 flow [2024-11-27 20:25:35,146 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 109 places, 112 transitions, 233 flow [2024-11-27 20:25:35,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:25:35,182 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;@59174ff9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:25:35,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-11-27 20:25:35,192 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:25:35,192 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-27 20:25:35,192 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:25:35,196 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:35,196 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:35,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-27 20:25:35,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:35,204 INFO L85 PathProgramCache]: Analyzing trace with hash 576896574, now seen corresponding path program 1 times [2024-11-27 20:25:35,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:35,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796273665] [2024-11-27 20:25:35,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:35,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:35,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:35,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796273665] [2024-11-27 20:25:35,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796273665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:35,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:35,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:25:35,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883580885] [2024-11-27 20:25:35,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:35,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:35,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:35,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:35,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:35,555 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119 [2024-11-27 20:25:35,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 112 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:35,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:35,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119 [2024-11-27 20:25:35,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:35,676 INFO L124 PetriNetUnfolderBase]: 8/150 cut-off events. [2024-11-27 20:25:35,676 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-27 20:25:35,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 150 events. 8/150 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 368 event pairs, 3 based on Foata normal form. 16/149 useless extension candidates. Maximal degree in co-relation 119. Up to 17 conditions per place. [2024-11-27 20:25:35,681 INFO L140 encePairwiseOnDemand]: 109/119 looper letters, 10 selfloop transitions, 2 changer transitions 1/100 dead transitions. [2024-11-27 20:25:35,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 100 transitions, 233 flow [2024-11-27 20:25:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:25:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2024-11-27 20:25:35,701 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8543417366946778 [2024-11-27 20:25:35,702 INFO L175 Difference]: Start difference. First operand has 109 places, 112 transitions, 233 flow. Second operand 3 states and 305 transitions. [2024-11-27 20:25:35,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 100 transitions, 233 flow [2024-11-27 20:25:35,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 100 transitions, 228 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-27 20:25:35,713 INFO L231 Difference]: Finished difference. Result has 103 places, 99 transitions, 206 flow [2024-11-27 20:25:35,716 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=103, PETRI_TRANSITIONS=99} [2024-11-27 20:25:35,724 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -6 predicate places. [2024-11-27 20:25:35,724 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 99 transitions, 206 flow [2024-11-27 20:25:35,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:35,725 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:25:35,725 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:35,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:25:35,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2024-11-27 20:25:35,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:35,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2133009187, now seen corresponding path program 1 times [2024-11-27 20:25:35,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:35,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598750630] [2024-11-27 20:25:35,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:35,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:25:35,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:35,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598750630] [2024-11-27 20:25:35,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598750630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:35,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:35,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:25:35,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773570793] [2024-11-27 20:25:35,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:35,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:35,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:35,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:35,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:35,854 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 119 [2024-11-27 20:25:35,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:35,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:25:35,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 119 [2024-11-27 20:25:35,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:25:35,904 INFO L124 PetriNetUnfolderBase]: 16/211 cut-off events. [2024-11-27 20:25:35,904 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:25:35,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 211 events. 16/211 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 664 event pairs, 8 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 230. Up to 27 conditions per place. [2024-11-27 20:25:35,906 INFO L140 encePairwiseOnDemand]: 114/119 looper letters, 0 selfloop transitions, 0 changer transitions 95/95 dead transitions. [2024-11-27 20:25:35,906 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 222 flow [2024-11-27 20:25:35,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:25:35,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 295 transitions. [2024-11-27 20:25:35,909 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8263305322128851 [2024-11-27 20:25:35,909 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 206 flow. Second operand 3 states and 295 transitions. [2024-11-27 20:25:35,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 95 transitions, 222 flow [2024-11-27 20:25:35,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 95 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:25:35,911 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2024-11-27 20:25:35,912 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2024-11-27 20:25:35,913 INFO L279 CegarLoopForPetriNet]: 109 programPoint places, -11 predicate places. [2024-11-27 20:25:35,913 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2024-11-27 20:25:35,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-11-27 20:25:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-11-27 20:25:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2024-11-27 20:25:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2024-11-27 20:25:35,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2024-11-27 20:25:35,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-11-27 20:25:35,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-11-27 20:25:35,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-11-27 20:25:35,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-11-27 20:25:35,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:25:35,921 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 20:25:35,932 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:25:35,932 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:25:35,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:25:35 BasicIcfg [2024-11-27 20:25:35,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:25:35,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:25:35,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:25:35,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:25:35,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:34" (3/4) ... [2024-11-27 20:25:35,948 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:25:35,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2024-11-27 20:25:35,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2024-11-27 20:25:35,960 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-27 20:25:35,960 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:25:35,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:25:35,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:25:36,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:25:36,034 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:25:36,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:25:36,035 INFO L158 Benchmark]: Toolchain (without parser) took 2302.30ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 55.4MB in the end (delta: 35.9MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,036 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:36,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.66ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 70.9MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.27ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:36,037 INFO L158 Benchmark]: Boogie Preprocessor took 24.64ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 68.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:36,037 INFO L158 Benchmark]: RCFGBuilder took 413.12ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 54.4MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,037 INFO L158 Benchmark]: TraceAbstraction took 1024.41ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 59.8MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:36,038 INFO L158 Benchmark]: Witness Printer took 89.30ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 55.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.66ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 70.9MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.27ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 69.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.64ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 68.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.12ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 54.4MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1024.41ms. Allocated memory is still 117.4MB. Free memory was 53.9MB in the beginning and 59.8MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.30ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 55.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 767]: 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, 168 locations, 9 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 4 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=233occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:25:36,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae057854-cab7-461d-9b4a-8e8cf7bd9b6a/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