./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya --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 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:12:44,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:12:44,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 01:12:44,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:12:44,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:12:44,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:12:44,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:12:44,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:12:44,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:12:44,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:12:44,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:12:44,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:12:44,922 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:12:44,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:12:44,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:12:44,924 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:12:44,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:12:44,925 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:12:44,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:12:44,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:12:44,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:12:44,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:12:44,931 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 01:12:44,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:12:44,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:12:44,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:12:44,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:12:44,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:12:44,934 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:12:44,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:12:44,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:12:44,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:12:44,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:12:44,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:12:44,935 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:12:44,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:12:44,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:12:44,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:12:44,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:12:44,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:12:44,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:12:44,937 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4349e9f780aa852bf667d29095b5aaef630c7e32a3c0068468fa5a88e5c63f46 [2023-11-29 01:12:45,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:12:45,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:12:45,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:12:45,177 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:12:45,177 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:12:45,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2023-11-29 01:12:47,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:12:48,200 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:12:48,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/sv-benchmarks/c/goblint-regression/04-mutex_47-fun_write.i [2023-11-29 01:12:48,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/data/a47249dae/c74825e941b345dc8a37d93d90bf2c5a/FLAGf19681d95 [2023-11-29 01:12:48,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/data/a47249dae/c74825e941b345dc8a37d93d90bf2c5a [2023-11-29 01:12:48,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:12:48,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:12:48,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:48,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:12:48,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:12:48,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@391a87a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48, skipping insertion in model container [2023-11-29 01:12:48,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,298 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:12:48,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:48,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:12:48,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:48,858 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:12:48,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48 WrapperNode [2023-11-29 01:12:48,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:48,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:48,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:12:48,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:12:48,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,906 INFO L138 Inliner]: procedures = 264, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-11-29 01:12:48,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:48,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:12:48,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:12:48,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:12:48,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:12:48,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:12:48,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:12:48,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:12:48,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (1/1) ... [2023-11-29 01:12:48,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:12:48,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:48,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:48,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:12:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:12:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:12:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 01:12:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 01:12:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 01:12:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 01:12:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:12:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 01:12:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 01:12:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 01:12:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:12:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:12:49,004 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:12:49,132 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:12:49,134 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:12:49,286 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:12:49,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:12:49,310 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 01:12:49,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:49 BoogieIcfgContainer [2023-11-29 01:12:49,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:12:49,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:12:49,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:12:49,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:12:49,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:12:48" (1/3) ... [2023-11-29 01:12:49,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765fe72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:12:49, skipping insertion in model container [2023-11-29 01:12:49,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:48" (2/3) ... [2023-11-29 01:12:49,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@765fe72b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:12:49, skipping insertion in model container [2023-11-29 01:12:49,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:49" (3/3) ... [2023-11-29 01:12:49,321 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_47-fun_write.i [2023-11-29 01:12:49,331 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:12:49,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:12:49,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-29 01:12:49,342 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:12:49,390 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-29 01:12:49,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 73 transitions, 153 flow [2023-11-29 01:12:49,468 INFO L124 PetriNetUnfolderBase]: 0/72 cut-off events. [2023-11-29 01:12:49,469 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 01:12:49,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 0/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-29 01:12:49,472 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 73 transitions, 153 flow [2023-11-29 01:12:49,476 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 64 transitions, 131 flow [2023-11-29 01:12:49,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:12:49,493 INFO L357 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, mHoare=true, 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;@1a71a8ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:12:49,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 01:12:49,505 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:12:49,505 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-29 01:12:49,506 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:12:49,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:12:49,506 INFO L208 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] [2023-11-29 01:12:49,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-29 01:12:49,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:49,513 INFO L85 PathProgramCache]: Analyzing trace with hash 147314811, now seen corresponding path program 1 times [2023-11-29 01:12:49,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:49,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111607676] [2023-11-29 01:12:49,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:49,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:12:49,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:12:49,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111607676] [2023-11-29 01:12:49,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111607676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:12:49,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:12:49,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:12:49,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732481493] [2023-11-29 01:12:49,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:12:49,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:12:49,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:12:49,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:12:49,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:12:49,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 73 [2023-11-29 01:12:49,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 64 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2023-11-29 01:12:49,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:12:49,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 73 [2023-11-29 01:12:49,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:12:49,933 INFO L124 PetriNetUnfolderBase]: 18/164 cut-off events. [2023-11-29 01:12:49,934 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 01:12:49,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 164 events. 18/164 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 570 event pairs, 10 based on Foata normal form. 0/150 useless extension candidates. Maximal degree in co-relation 187. Up to 35 conditions per place. [2023-11-29 01:12:49,939 INFO L140 encePairwiseOnDemand]: 68/73 looper letters, 11 selfloop transitions, 4 changer transitions 0/69 dead transitions. [2023-11-29 01:12:49,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 69 transitions, 171 flow [2023-11-29 01:12:49,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:12:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:12:49,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 202 transitions. [2023-11-29 01:12:49,953 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9223744292237442 [2023-11-29 01:12:49,954 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 202 transitions. [2023-11-29 01:12:49,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 202 transitions. [2023-11-29 01:12:49,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:12:49,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 202 transitions. [2023-11-29 01:12:49,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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) [2023-11-29 01:12:49,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2023-11-29 01:12:49,968 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2023-11-29 01:12:49,970 INFO L175 Difference]: Start difference. First operand has 68 places, 64 transitions, 131 flow. Second operand 3 states and 202 transitions. [2023-11-29 01:12:49,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 69 transitions, 171 flow [2023-11-29 01:12:49,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 69 transitions, 170 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:12:49,977 INFO L231 Difference]: Finished difference. Result has 71 places, 67 transitions, 160 flow [2023-11-29 01:12:49,979 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=71, PETRI_TRANSITIONS=67} [2023-11-29 01:12:49,983 INFO L281 CegarLoopForPetriNet]: 68 programPoint places, 3 predicate places. [2023-11-29 01:12:49,983 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 67 transitions, 160 flow [2023-11-29 01:12:49,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 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) [2023-11-29 01:12:49,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:12:49,984 INFO L208 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] [2023-11-29 01:12:49,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:12:49,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-29 01:12:49,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:49,986 INFO L85 PathProgramCache]: Analyzing trace with hash 941477333, now seen corresponding path program 1 times [2023-11-29 01:12:49,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:49,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980872918] [2023-11-29 01:12:49,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:49,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:12:50,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:12:50,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980872918] [2023-11-29 01:12:50,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980872918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:12:50,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:12:50,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:12:50,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009783873] [2023-11-29 01:12:50,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:12:50,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:12:50,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:12:50,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:12:50,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:12:50,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 73 [2023-11-29 01:12:50,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2023-11-29 01:12:50,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:12:50,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 73 [2023-11-29 01:12:50,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:12:50,172 INFO L124 PetriNetUnfolderBase]: 27/221 cut-off events. [2023-11-29 01:12:50,172 INFO L125 PetriNetUnfolderBase]: For 31/36 co-relation queries the response was YES. [2023-11-29 01:12:50,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 221 events. 27/221 cut-off events. For 31/36 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 898 event pairs, 16 based on Foata normal form. 1/201 useless extension candidates. Maximal degree in co-relation 302. Up to 56 conditions per place. [2023-11-29 01:12:50,175 INFO L140 encePairwiseOnDemand]: 68/73 looper letters, 15 selfloop transitions, 5 changer transitions 0/72 dead transitions. [2023-11-29 01:12:50,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 72 transitions, 212 flow [2023-11-29 01:12:50,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:12:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:12:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2023-11-29 01:12:50,178 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8812785388127854 [2023-11-29 01:12:50,178 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 193 transitions. [2023-11-29 01:12:50,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 193 transitions. [2023-11-29 01:12:50,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:12:50,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 193 transitions. [2023-11-29 01:12:50,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2023-11-29 01:12:50,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2023-11-29 01:12:50,183 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2023-11-29 01:12:50,183 INFO L175 Difference]: Start difference. First operand has 71 places, 67 transitions, 160 flow. Second operand 3 states and 193 transitions. [2023-11-29 01:12:50,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 72 transitions, 212 flow [2023-11-29 01:12:50,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 72 transitions, 204 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:12:50,188 INFO L231 Difference]: Finished difference. Result has 73 places, 70 transitions, 188 flow [2023-11-29 01:12:50,188 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=73, PETRI_TRANSITIONS=70} [2023-11-29 01:12:50,189 INFO L281 CegarLoopForPetriNet]: 68 programPoint places, 5 predicate places. [2023-11-29 01:12:50,189 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 70 transitions, 188 flow [2023-11-29 01:12:50,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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) [2023-11-29 01:12:50,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:12:50,190 INFO L208 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] [2023-11-29 01:12:50,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:12:50,191 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-29 01:12:50,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:50,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1513871128, now seen corresponding path program 1 times [2023-11-29 01:12:50,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:50,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120527290] [2023-11-29 01:12:50,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:50,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:12:50,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:12:50,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120527290] [2023-11-29 01:12:50,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120527290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:12:50,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:12:50,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:12:50,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444120539] [2023-11-29 01:12:50,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:12:50,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:12:50,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:12:50,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:12:50,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:12:50,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 73 [2023-11-29 01:12:50,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 70 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2023-11-29 01:12:50,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:12:50,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 73 [2023-11-29 01:12:50,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:12:50,350 INFO L124 PetriNetUnfolderBase]: 39/247 cut-off events. [2023-11-29 01:12:50,351 INFO L125 PetriNetUnfolderBase]: For 135/140 co-relation queries the response was YES. [2023-11-29 01:12:50,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 247 events. 39/247 cut-off events. For 135/140 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1071 event pairs, 16 based on Foata normal form. 2/234 useless extension candidates. Maximal degree in co-relation 418. Up to 75 conditions per place. [2023-11-29 01:12:50,354 INFO L140 encePairwiseOnDemand]: 67/73 looper letters, 14 selfloop transitions, 8 changer transitions 0/77 dead transitions. [2023-11-29 01:12:50,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 77 transitions, 260 flow [2023-11-29 01:12:50,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:12:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:12:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 199 transitions. [2023-11-29 01:12:50,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.908675799086758 [2023-11-29 01:12:50,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 199 transitions. [2023-11-29 01:12:50,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 199 transitions. [2023-11-29 01:12:50,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:12:50,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 199 transitions. [2023-11-29 01:12:50,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2023-11-29 01:12:50,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2023-11-29 01:12:50,361 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 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) [2023-11-29 01:12:50,361 INFO L175 Difference]: Start difference. First operand has 73 places, 70 transitions, 188 flow. Second operand 3 states and 199 transitions. [2023-11-29 01:12:50,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 77 transitions, 260 flow [2023-11-29 01:12:50,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 77 transitions, 244 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-29 01:12:50,367 INFO L231 Difference]: Finished difference. Result has 75 places, 75 transitions, 240 flow [2023-11-29 01:12:50,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=75, PETRI_TRANSITIONS=75} [2023-11-29 01:12:50,368 INFO L281 CegarLoopForPetriNet]: 68 programPoint places, 7 predicate places. [2023-11-29 01:12:50,368 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 75 transitions, 240 flow [2023-11-29 01:12:50,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2023-11-29 01:12:50,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:12:50,369 INFO L208 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] [2023-11-29 01:12:50,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:12:50,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2023-11-29 01:12:50,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:50,370 INFO L85 PathProgramCache]: Analyzing trace with hash 481852918, now seen corresponding path program 1 times [2023-11-29 01:12:50,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:50,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520531959] [2023-11-29 01:12:50,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:50,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:50,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:12:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:50,443 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:12:50,444 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:12:50,445 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2023-11-29 01:12:50,447 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2023-11-29 01:12:50,447 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2023-11-29 01:12:50,448 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-11-29 01:12:50,448 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2023-11-29 01:12:50,448 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2023-11-29 01:12:50,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:12:50,449 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 01:12:50,456 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 01:12:50,456 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:12:50,482 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-29 01:12:50,483 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-29 01:12:50,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-29 01:12:50,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:12:50 BasicIcfg [2023-11-29 01:12:50,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:12:50,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:12:50,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:12:50,494 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:12:50,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:49" (3/4) ... [2023-11-29 01:12:50,497 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:12:50,498 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:12:50,499 INFO L158 Benchmark]: Toolchain (without parser) took 2262.43ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 125.5MB in the beginning and 135.4MB in the end (delta: -9.9MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-11-29 01:12:50,499 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:12:50,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.53ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 97.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 01:12:50,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.35ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 94.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:12:50,501 INFO L158 Benchmark]: Boogie Preprocessor took 28.42ms. Allocated memory is still 165.7MB. Free memory was 94.9MB in the beginning and 93.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:12:50,502 INFO L158 Benchmark]: RCFGBuilder took 374.83ms. Allocated memory is still 165.7MB. Free memory was 93.2MB in the beginning and 78.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 01:12:50,502 INFO L158 Benchmark]: TraceAbstraction took 1178.94ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 77.7MB in the beginning and 135.4MB in the end (delta: -57.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-29 01:12:50,503 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 234.9MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:12:50,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.53ms. Allocated memory is still 165.7MB. Free memory was 125.1MB in the beginning and 97.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.35ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 94.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.42ms. Allocated memory is still 165.7MB. Free memory was 94.9MB in the beginning and 93.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.83ms. Allocated memory is still 165.7MB. Free memory was 93.2MB in the beginning and 78.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1178.94ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 77.7MB in the beginning and 135.4MB in the end (delta: -57.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 234.9MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 933]: Data race detected [2023-11-29 01:12:50,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-29 01:12:50,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated [2023-11-29 01:12:50,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-29 01:12:50,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated [2023-11-29 01:12:50,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret31 could not be translated [2023-11-29 01:12:50,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated Data race detected The following path leads to a data race: [L917] 0 int myglobal; VAL [myglobal=0] [L918] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, myglobal=0] [L919] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={1:0}, mutex2={2:0}, myglobal=0] [L930] 0 pthread_t id; VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L933] 0 myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L925] CALL, EXPR 1 f() [L921] 1 return 5; VAL [\result=5, mutex1={1:0}, mutex2={2:0}, myglobal=0] [L925] RET, EXPR 1 f() [L925] 1 myglobal=f() VAL [arg={0:0}, arg={0:0}, mutex1={1:0}, mutex2={2:0}, myglobal=5] [L933] 0 myglobal+1 VAL [id={3:0}, mutex1={1:0}, mutex2={2:0}, myglobal=5] Now there is a data race on ~myglobal~0 between C: myglobal=f() [925] and C: myglobal+1 [933] - UnprovableResult [Line: 933]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 935]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 925]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 94 locations, 6 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: 1.0s, OverallIterations: 4, 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, 19 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 13 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 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 RESULT: Ultimate proved your program to be incorrect! [2023-11-29 01:12:50,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0745bf7-f456-40ea-9250-12060cedd708/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE