./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:12:42,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:12:43,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 12:12:43,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:12:43,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:12:43,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:12:43,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:12:43,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:12:43,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:12:43,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:12:43,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:12:43,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:12:43,077 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:12:43,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:12:43,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:12:43,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:12:43,079 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:12:43,079 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:12:43,079 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:12:43,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:12:43,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:12:43,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:12:43,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:12:43,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:12:43,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:12:43,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:12:43,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:12:43,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:12:43,080 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:12:43,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:12:43,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:12:43,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:12:43,080 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:12:43,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:12:43,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:12:43,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:12:43,081 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_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c [2024-12-02 12:12:43,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:12:43,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:12:43,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:12:43,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:12:43,321 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:12:43,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-12-02 12:12:46,137 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/data/9ed732f7f/9788f0408c8e45faa143a8e9636ae605/FLAG0420ae2f0 [2024-12-02 12:12:46,352 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:12:46,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-12-02 12:12:46,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/data/9ed732f7f/9788f0408c8e45faa143a8e9636ae605/FLAG0420ae2f0 [2024-12-02 12:12:46,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/data/9ed732f7f/9788f0408c8e45faa143a8e9636ae605 [2024-12-02 12:12:46,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:12:46,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:12:46,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:12:46,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:12:46,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:12:46,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6860e267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46, skipping insertion in model container [2024-12-02 12:12:46,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:12:46,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:12:46,760 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:12:46,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:12:46,824 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:12:46,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46 WrapperNode [2024-12-02 12:12:46,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:12:46,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:12:46,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:12:46,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:12:46,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,859 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2024-12-02 12:12:46,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:12:46,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:12:46,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:12:46,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:12:46,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,872 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:12:46,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:12:46,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:12:46,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:12:46,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (1/1) ... [2024-12-02 12:12:46,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:12:46,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:12:46,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:12:46,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:12:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 12:12:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:12:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-02 12:12:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-02 12:12:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 12:12:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 12:12:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:12:46,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:12:46,937 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 12:12:47,038 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:12:47,040 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:12:47,212 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 12:12:47,212 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:12:47,243 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:12:47,243 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:12:47,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:12:47 BoogieIcfgContainer [2024-12-02 12:12:47,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:12:47,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:12:47,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:12:47,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:12:47,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:12:46" (1/3) ... [2024-12-02 12:12:47,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcc2bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:12:47, skipping insertion in model container [2024-12-02 12:12:47,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:12:46" (2/3) ... [2024-12-02 12:12:47,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcc2bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:12:47, skipping insertion in model container [2024-12-02 12:12:47,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:12:47" (3/3) ... [2024-12-02 12:12:47,255 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2024-12-02 12:12:47,272 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:12:47,274 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i that has 2 procedures, 73 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 12:12:47,274 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 12:12:47,323 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 12:12:47,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 74 transitions, 152 flow [2024-12-02 12:12:47,414 INFO L124 PetriNetUnfolderBase]: 2/73 cut-off events. [2024-12-02 12:12:47,417 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:12:47,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-12-02 12:12:47,422 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 74 transitions, 152 flow [2024-12-02 12:12:47,426 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 73 transitions, 149 flow [2024-12-02 12:12:47,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:12:47,445 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;@21593c9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:12:47,445 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-02 12:12:47,461 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 12:12:47,461 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-12-02 12:12:47,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:12:47,461 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:12:47,462 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:12:47,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-12-02 12:12:47,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:12:47,467 INFO L85 PathProgramCache]: Analyzing trace with hash -808443589, now seen corresponding path program 1 times [2024-12-02 12:12:47,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:12:47,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391642639] [2024-12-02 12:12:47,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:12:47,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:12:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:12:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:12:47,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:12:47,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391642639] [2024-12-02 12:12:47,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391642639] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:12:47,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:12:47,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:12:47,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073923201] [2024-12-02 12:12:47,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:12:47,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:12:47,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:12:47,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:12:47,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:12:47,758 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 74 [2024-12-02 12:12:47,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 73 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2024-12-02 12:12:47,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:12:47,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 74 [2024-12-02 12:12:47,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:12:47,850 INFO L124 PetriNetUnfolderBase]: 32/193 cut-off events. [2024-12-02 12:12:47,850 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 12:12:47,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 193 events. 32/193 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 696 event pairs, 24 based on Foata normal form. 17/203 useless extension candidates. Maximal degree in co-relation 244. Up to 64 conditions per place. [2024-12-02 12:12:47,852 INFO L140 encePairwiseOnDemand]: 67/74 looper letters, 16 selfloop transitions, 4 changer transitions 0/75 dead transitions. [2024-12-02 12:12:47,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 75 transitions, 193 flow [2024-12-02 12:12:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:12:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:12:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2024-12-02 12:12:47,868 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8828828828828829 [2024-12-02 12:12:47,869 INFO L175 Difference]: Start difference. First operand has 75 places, 73 transitions, 149 flow. Second operand 3 states and 196 transitions. [2024-12-02 12:12:47,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 75 transitions, 193 flow [2024-12-02 12:12:47,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 75 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 12:12:47,879 INFO L231 Difference]: Finished difference. Result has 76 places, 72 transitions, 170 flow [2024-12-02 12:12:47,882 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=76, PETRI_TRANSITIONS=72} [2024-12-02 12:12:47,885 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 1 predicate places. [2024-12-02 12:12:47,886 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 72 transitions, 170 flow [2024-12-02 12:12:47,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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) [2024-12-02 12:12:47,886 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:12:47,886 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:12:47,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:12:47,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-12-02 12:12:47,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:12:47,888 INFO L85 PathProgramCache]: Analyzing trace with hash 226679816, now seen corresponding path program 1 times [2024-12-02 12:12:47,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:12:47,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65115390] [2024-12-02 12:12:47,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:12:47,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:12:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:12:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:12:47,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:12:47,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65115390] [2024-12-02 12:12:47,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65115390] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:12:47,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:12:47,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:12:47,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809055293] [2024-12-02 12:12:47,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:12:47,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:12:47,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:12:47,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:12:47,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:12:47,983 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 74 [2024-12-02 12:12:47,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 72 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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) [2024-12-02 12:12:47,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:12:47,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 74 [2024-12-02 12:12:47,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:12:48,079 INFO L124 PetriNetUnfolderBase]: 30/284 cut-off events. [2024-12-02 12:12:48,080 INFO L125 PetriNetUnfolderBase]: For 27/29 co-relation queries the response was YES. [2024-12-02 12:12:48,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 284 events. 30/284 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1344 event pairs, 17 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 379. Up to 51 conditions per place. [2024-12-02 12:12:48,082 INFO L140 encePairwiseOnDemand]: 70/74 looper letters, 13 selfloop transitions, 3 changer transitions 5/78 dead transitions. [2024-12-02 12:12:48,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 78 transitions, 224 flow [2024-12-02 12:12:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:12:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:12:48,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2024-12-02 12:12:48,084 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8828828828828829 [2024-12-02 12:12:48,084 INFO L175 Difference]: Start difference. First operand has 76 places, 72 transitions, 170 flow. Second operand 3 states and 196 transitions. [2024-12-02 12:12:48,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 78 transitions, 224 flow [2024-12-02 12:12:48,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 78 transitions, 214 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:12:48,087 INFO L231 Difference]: Finished difference. Result has 78 places, 71 transitions, 176 flow [2024-12-02 12:12:48,087 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=78, PETRI_TRANSITIONS=71} [2024-12-02 12:12:48,088 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 3 predicate places. [2024-12-02 12:12:48,088 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 71 transitions, 176 flow [2024-12-02 12:12:48,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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) [2024-12-02 12:12:48,088 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:12:48,089 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:12:48,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:12:48,089 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-12-02 12:12:48,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:12:48,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1333026622, now seen corresponding path program 1 times [2024-12-02 12:12:48,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:12:48,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637173612] [2024-12-02 12:12:48,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:12:48,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:12:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:12:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:12:48,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:12:48,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637173612] [2024-12-02 12:12:48,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637173612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:12:48,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:12:48,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:12:48,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36388794] [2024-12-02 12:12:48,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:12:48,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:12:48,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:12:48,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:12:48,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:12:48,498 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 74 [2024-12-02 12:12:48,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 71 transitions, 176 flow. Second operand has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 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) [2024-12-02 12:12:48,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:12:48,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 74 [2024-12-02 12:12:48,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:12:48,571 INFO L124 PetriNetUnfolderBase]: 8/147 cut-off events. [2024-12-02 12:12:48,571 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-12-02 12:12:48,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 147 events. 8/147 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 355 event pairs, 3 based on Foata normal form. 3/146 useless extension candidates. Maximal degree in co-relation 168. Up to 15 conditions per place. [2024-12-02 12:12:48,572 INFO L140 encePairwiseOnDemand]: 69/74 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2024-12-02 12:12:48,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 70 transitions, 184 flow [2024-12-02 12:12:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:12:48,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 12:12:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 320 transitions. [2024-12-02 12:12:48,574 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8648648648648649 [2024-12-02 12:12:48,575 INFO L175 Difference]: Start difference. First operand has 78 places, 71 transitions, 176 flow. Second operand 5 states and 320 transitions. [2024-12-02 12:12:48,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 70 transitions, 184 flow [2024-12-02 12:12:48,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 70 transitions, 169 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-12-02 12:12:48,577 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2024-12-02 12:12:48,577 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=74, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2024-12-02 12:12:48,578 INFO L279 CegarLoopForPetriNet]: 75 programPoint places, 0 predicate places. [2024-12-02 12:12:48,578 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2024-12-02 12:12:48,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 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) [2024-12-02 12:12:48,580 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-12-02 12:12:48,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-12-02 12:12:48,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-12-02 12:12:48,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-12-02 12:12:48,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:12:48,581 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 12:12:48,586 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:12:48,586 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:12:48,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:12:48 BasicIcfg [2024-12-02 12:12:48,592 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:12:48,592 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:12:48,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:12:48,593 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:12:48,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:12:47" (3/4) ... [2024-12-02 12:12:48,595 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:12:48,597 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-12-02 12:12:48,600 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 12:12:48,600 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 12:12:48,600 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 12:12:48,601 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:12:48,656 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:12:48,656 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:12:48,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:12:48,657 INFO L158 Benchmark]: Toolchain (without parser) took 2274.16ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 60.8MB in the end (delta: 30.7MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-12-02 12:12:48,657 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:12:48,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.26ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.8MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:12:48,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.74ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:12:48,658 INFO L158 Benchmark]: Boogie Preprocessor took 17.94ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 69.3MB in the end (delta: 840.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:12:48,658 INFO L158 Benchmark]: RCFGBuilder took 365.25ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 55.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:12:48,659 INFO L158 Benchmark]: TraceAbstraction took 1345.61ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 65.5MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:12:48,659 INFO L158 Benchmark]: Witness Printer took 63.54ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 60.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:12:48,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 87.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.26ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.8MB in the end (delta: 19.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.74ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.94ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 69.3MB in the end (delta: 840.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 365.25ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 55.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1345.61ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 65.5MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.54ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 60.8MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 92 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 17 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 12:12:48,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979f7b54-a395-4bfb-8e6a-6f989729eeac/bin/uautomizer-verify-84ZbGMXZE1/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