./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/30_Function_Pointer3_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/30_Function_Pointer3_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu --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 c8b500e58ad9de43c2267c6cdc33609b02abfe24fc1cf283e17f14a4a70ea61c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:32:52,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:32:52,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:32:52,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:32:52,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:32:52,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:32:52,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:32:52,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:32:52,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:32:52,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:32:52,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:32:52,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:32:52,922 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:32:52,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:32:52,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:32:52,925 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:32:52,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:32:52,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:32:52,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:32:52,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:32:52,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:32:52,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:32:52,929 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:32:52,929 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:32:52,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:32:52,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:32:52,931 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:32:52,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:32:52,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:32:52,933 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:32:52,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:52,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:32:52,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:32:52,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:32:52,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:32:52,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:32:52,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:32:52,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:32:52,937 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:32:52,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:32:52,937 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:32:52,938 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_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b500e58ad9de43c2267c6cdc33609b02abfe24fc1cf283e17f14a4a70ea61c [2023-11-19 07:32:53,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:32:53,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:32:53,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:32:53,240 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:32:53,240 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:32:53,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-ext/30_Function_Pointer3_vs.i [2023-11-19 07:32:56,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:32:56,729 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:32:56,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/sv-benchmarks/c/pthread-ext/30_Function_Pointer3_vs.i [2023-11-19 07:32:56,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/data/78d4077fd/2fabbc475f404bc38fd8816b507f5d48/FLAGb927d6613 [2023-11-19 07:32:56,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/data/78d4077fd/2fabbc475f404bc38fd8816b507f5d48 [2023-11-19 07:32:56,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:32:56,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:32:56,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:56,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:32:56,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:32:56,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:56" (1/1) ... [2023-11-19 07:32:56,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da91e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:56, skipping insertion in model container [2023-11-19 07:32:56,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:56" (1/1) ... [2023-11-19 07:32:56,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:32:57,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:57,319 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:32:57,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:57,439 WARN L675 CHandler]: The function pf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:32:57,447 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:32:57,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57 WrapperNode [2023-11-19 07:32:57,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:57,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:57,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:32:57,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:32:57,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,517 INFO L138 Inliner]: procedures = 174, calls = 20, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 112 [2023-11-19 07:32:57,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:57,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:32:57,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:32:57,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:32:57,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:32:57,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:32:57,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:32:57,551 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:32:57,552 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (1/1) ... [2023-11-19 07:32:57,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:57,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:57,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:57,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:32:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-19 07:32:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-19 07:32:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 07:32:57,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 07:32:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:32:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:32:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:32:57,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:32:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:32:57,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:32:57,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:32:57,713 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:32:57,859 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:32:57,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:32:58,116 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:32:58,242 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:32:58,242 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:32:58,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:58 BoogieIcfgContainer [2023-11-19 07:32:58,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:32:58,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:32:58,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:32:58,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:32:58,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:32:56" (1/3) ... [2023-11-19 07:32:58,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf052a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:58, skipping insertion in model container [2023-11-19 07:32:58,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:57" (2/3) ... [2023-11-19 07:32:58,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf052a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:58, skipping insertion in model container [2023-11-19 07:32:58,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:58" (3/3) ... [2023-11-19 07:32:58,262 INFO L112 eAbstractionObserver]: Analyzing ICFG 30_Function_Pointer3_vs.i [2023-11-19 07:32:58,272 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:32:58,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:32:58,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 07:32:58,286 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:32:58,390 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:32:58,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 113 transitions, 234 flow [2023-11-19 07:32:58,532 INFO L124 PetriNetUnfolderBase]: 8/123 cut-off events. [2023-11-19 07:32:58,532 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:32:58,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 123 events. 8/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 175 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 110. Up to 4 conditions per place. [2023-11-19 07:32:58,541 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 113 transitions, 234 flow [2023-11-19 07:32:58,547 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 112 transitions, 231 flow [2023-11-19 07:32:58,553 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:32:58,570 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 112 transitions, 231 flow [2023-11-19 07:32:58,574 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 112 transitions, 231 flow [2023-11-19 07:32:58,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 112 transitions, 231 flow [2023-11-19 07:32:58,620 INFO L124 PetriNetUnfolderBase]: 8/123 cut-off events. [2023-11-19 07:32:58,621 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:32:58,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 123 events. 8/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 175 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 110. Up to 4 conditions per place. [2023-11-19 07:32:58,629 INFO L119 LiptonReduction]: Number of co-enabled transitions 4580 [2023-11-19 07:33:02,788 INFO L134 LiptonReduction]: Checked pairs total: 6111 [2023-11-19 07:33:02,789 INFO L136 LiptonReduction]: Total number of compositions: 117 [2023-11-19 07:33:02,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:33:02,823 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;@737b2e3a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:33:02,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-11-19 07:33:02,827 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:33:02,828 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2023-11-19 07:33:02,828 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:33:02,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:33:02,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:33:02,829 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-19 07:33:02,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:02,836 INFO L85 PathProgramCache]: Analyzing trace with hash 531158564, now seen corresponding path program 1 times [2023-11-19 07:33:02,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:02,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400587188] [2023-11-19 07:33:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:02,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:03,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:03,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400587188] [2023-11-19 07:33:03,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400587188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:03,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:03,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:33:03,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080388888] [2023-11-19 07:33:03,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:03,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:33:03,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:03,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:33:03,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:33:03,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 230 [2023-11-19 07:33:03,131 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 23 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2023-11-19 07:33:03,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:33:03,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 230 [2023-11-19 07:33:03,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:33:03,209 INFO L124 PetriNetUnfolderBase]: 82/172 cut-off events. [2023-11-19 07:33:03,209 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:33:03,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 172 events. 82/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 619 event pairs, 21 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 320. Up to 91 conditions per place. [2023-11-19 07:33:03,213 INFO L140 encePairwiseOnDemand]: 219/230 looper letters, 18 selfloop transitions, 3 changer transitions 0/25 dead transitions. [2023-11-19 07:33:03,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 25 transitions, 102 flow [2023-11-19 07:33:03,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:33:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:33:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2023-11-19 07:33:03,232 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4608695652173913 [2023-11-19 07:33:03,233 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 318 transitions. [2023-11-19 07:33:03,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 318 transitions. [2023-11-19 07:33:03,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:33:03,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 318 transitions. [2023-11-19 07:33:03,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2023-11-19 07:33:03,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 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) [2023-11-19 07:33:03,250 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 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) [2023-11-19 07:33:03,252 INFO L175 Difference]: Start difference. First operand has 27 places, 23 transitions, 53 flow. Second operand 3 states and 318 transitions. [2023-11-19 07:33:03,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 25 transitions, 102 flow [2023-11-19 07:33:03,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 25 transitions, 101 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:33:03,258 INFO L231 Difference]: Finished difference. Result has 24 places, 19 transitions, 64 flow [2023-11-19 07:33:03,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=230, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=24, PETRI_TRANSITIONS=19} [2023-11-19 07:33:03,264 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, -3 predicate places. [2023-11-19 07:33:03,264 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 19 transitions, 64 flow [2023-11-19 07:33:03,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 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) [2023-11-19 07:33:03,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:33:03,265 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:03,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:33:03,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-19 07:33:03,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:03,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1502194059, now seen corresponding path program 1 times [2023-11-19 07:33:03,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:03,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045666532] [2023-11-19 07:33:03,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:03,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:03,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:03,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:03,336 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:33:03,338 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 14 remaining) [2023-11-19 07:33:03,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2023-11-19 07:33:03,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2023-11-19 07:33:03,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2023-11-19 07:33:03,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2023-11-19 07:33:03,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2023-11-19 07:33:03,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2023-11-19 07:33:03,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2023-11-19 07:33:03,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2023-11-19 07:33:03,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2023-11-19 07:33:03,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2023-11-19 07:33:03,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2023-11-19 07:33:03,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2023-11-19 07:33:03,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2023-11-19 07:33:03,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:33:03,345 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:33:03,348 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-19 07:33:03,348 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-19 07:33:03,399 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 07:33:03,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 192 places, 195 transitions, 410 flow [2023-11-19 07:33:03,447 INFO L124 PetriNetUnfolderBase]: 11/199 cut-off events. [2023-11-19 07:33:03,447 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:33:03,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 199 events. 11/199 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 430 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 206. Up to 6 conditions per place. [2023-11-19 07:33:03,452 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 195 transitions, 410 flow [2023-11-19 07:33:03,455 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 174 places, 175 transitions, 363 flow [2023-11-19 07:33:03,456 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:33:03,456 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 175 transitions, 363 flow [2023-11-19 07:33:03,456 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 175 transitions, 363 flow [2023-11-19 07:33:03,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 175 transitions, 363 flow [2023-11-19 07:33:03,497 INFO L124 PetriNetUnfolderBase]: 11/199 cut-off events. [2023-11-19 07:33:03,498 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:33:03,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 199 events. 11/199 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 426 event pairs, 0 based on Foata normal form. 0/174 useless extension candidates. Maximal degree in co-relation 189. Up to 6 conditions per place. [2023-11-19 07:33:03,521 INFO L119 LiptonReduction]: Number of co-enabled transitions 16396 [2023-11-19 07:33:08,490 INFO L134 LiptonReduction]: Checked pairs total: 20739 [2023-11-19 07:33:08,490 INFO L136 LiptonReduction]: Total number of compositions: 169 [2023-11-19 07:33:08,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:33:08,494 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;@737b2e3a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:33:08,495 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-19 07:33:08,497 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:33:08,497 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2023-11-19 07:33:08,498 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:33:08,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:33:08,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:33:08,498 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2023-11-19 07:33:08,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:08,499 INFO L85 PathProgramCache]: Analyzing trace with hash 947741836, now seen corresponding path program 1 times [2023-11-19 07:33:08,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:08,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277514071] [2023-11-19 07:33:08,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:08,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:08,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:08,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:08,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277514071] [2023-11-19 07:33:08,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277514071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:08,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:08,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:33:08,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443030930] [2023-11-19 07:33:08,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:08,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:33:08,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:08,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:33:08,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:33:08,589 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 364 [2023-11-19 07:33:08,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2023-11-19 07:33:08,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:33:08,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 364 [2023-11-19 07:33:08,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:33:09,084 INFO L124 PetriNetUnfolderBase]: 1741/2581 cut-off events. [2023-11-19 07:33:09,084 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2023-11-19 07:33:09,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5206 conditions, 2581 events. 1741/2581 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 13819 event pairs, 552 based on Foata normal form. 0/2317 useless extension candidates. Maximal degree in co-relation 5195. Up to 1342 conditions per place. [2023-11-19 07:33:09,111 INFO L140 encePairwiseOnDemand]: 348/364 looper letters, 41 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2023-11-19 07:33:09,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 51 transitions, 213 flow [2023-11-19 07:33:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:33:09,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:33:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2023-11-19 07:33:09,116 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4990842490842491 [2023-11-19 07:33:09,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 545 transitions. [2023-11-19 07:33:09,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 545 transitions. [2023-11-19 07:33:09,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:33:09,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 545 transitions. [2023-11-19 07:33:09,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.66666666666666) internal successors, (545), 3 states have internal predecessors, (545), 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) [2023-11-19 07:33:09,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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) [2023-11-19 07:33:09,125 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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) [2023-11-19 07:33:09,125 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 95 flow. Second operand 3 states and 545 transitions. [2023-11-19 07:33:09,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 51 transitions, 213 flow [2023-11-19 07:33:09,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 51 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:33:09,127 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 106 flow [2023-11-19 07:33:09,128 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2023-11-19 07:33:09,129 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, -7 predicate places. [2023-11-19 07:33:09,129 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 106 flow [2023-11-19 07:33:09,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2023-11-19 07:33:09,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:33:09,130 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:09,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:33:09,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2023-11-19 07:33:09,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash 404180480, now seen corresponding path program 1 times [2023-11-19 07:33:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:09,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250985313] [2023-11-19 07:33:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:33:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:33:09,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:33:09,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250985313] [2023-11-19 07:33:09,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250985313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:33:09,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:33:09,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:33:09,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662117414] [2023-11-19 07:33:09,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:33:09,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:33:09,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:33:09,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:33:09,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:33:09,251 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 364 [2023-11-19 07:33:09,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2023-11-19 07:33:09,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:33:09,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 364 [2023-11-19 07:33:09,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:33:09,632 INFO L124 PetriNetUnfolderBase]: 1703/2622 cut-off events. [2023-11-19 07:33:09,632 INFO L125 PetriNetUnfolderBase]: For 1023/1023 co-relation queries the response was YES. [2023-11-19 07:33:09,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6180 conditions, 2622 events. 1703/2622 cut-off events. For 1023/1023 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 15220 event pairs, 814 based on Foata normal form. 0/2317 useless extension candidates. Maximal degree in co-relation 6168. Up to 1880 conditions per place. [2023-11-19 07:33:09,665 INFO L140 encePairwiseOnDemand]: 358/364 looper letters, 33 selfloop transitions, 8 changer transitions 0/49 dead transitions. [2023-11-19 07:33:09,665 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 49 transitions, 235 flow [2023-11-19 07:33:09,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:33:09,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:33:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2023-11-19 07:33:09,668 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4706959706959707 [2023-11-19 07:33:09,669 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 514 transitions. [2023-11-19 07:33:09,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 514 transitions. [2023-11-19 07:33:09,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:33:09,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 514 transitions. [2023-11-19 07:33:09,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 171.33333333333334) internal successors, (514), 3 states have internal predecessors, (514), 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) [2023-11-19 07:33:09,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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) [2023-11-19 07:33:09,676 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 364.0) internal successors, (1456), 4 states have internal predecessors, (1456), 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) [2023-11-19 07:33:09,676 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 106 flow. Second operand 3 states and 514 transitions. [2023-11-19 07:33:09,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 49 transitions, 235 flow [2023-11-19 07:33:09,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 49 transitions, 223 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:33:09,691 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 164 flow [2023-11-19 07:33:09,691 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=364, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2023-11-19 07:33:09,694 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, -5 predicate places. [2023-11-19 07:33:09,694 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 164 flow [2023-11-19 07:33:09,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 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) [2023-11-19 07:33:09,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:33:09,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:33:09,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:33:09,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2023-11-19 07:33:09,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:33:09,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1774316266, now seen corresponding path program 1 times [2023-11-19 07:33:09,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:33:09,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379838154] [2023-11-19 07:33:09,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:33:09,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:33:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:09,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:33:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:33:09,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:33:09,755 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:33:09,755 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 20 remaining) [2023-11-19 07:33:09,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2023-11-19 07:33:09,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2023-11-19 07:33:09,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2023-11-19 07:33:09,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2023-11-19 07:33:09,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2023-11-19 07:33:09,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2023-11-19 07:33:09,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 20 remaining) [2023-11-19 07:33:09,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-19 07:33:09,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2023-11-19 07:33:09,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (9 of 20 remaining) [2023-11-19 07:33:09,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (8 of 20 remaining) [2023-11-19 07:33:09,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (7 of 20 remaining) [2023-11-19 07:33:09,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (6 of 20 remaining) [2023-11-19 07:33:09,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining) [2023-11-19 07:33:09,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2023-11-19 07:33:09,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2023-11-19 07:33:09,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2023-11-19 07:33:09,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2023-11-19 07:33:09,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2023-11-19 07:33:09,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:33:09,759 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:33:09,770 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2023-11-19 07:33:09,771 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:33:09,820 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-19 07:33:09,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:33:09,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 07:33:09,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-19 07:33:09,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:33:09 BasicIcfg [2023-11-19 07:33:09,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:33:09,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:33:09,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:33:09,834 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:33:09,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:58" (3/4) ... [2023-11-19 07:33:09,837 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:33:09,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:33:09,839 INFO L158 Benchmark]: Toolchain (without parser) took 13044.53ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 90.1MB in the beginning and 49.7MB in the end (delta: 40.4MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. [2023-11-19 07:33:09,839 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:33:09,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.34ms. Allocated memory is still 136.3MB. Free memory was 89.8MB in the beginning and 69.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 07:33:09,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.59ms. Allocated memory is still 136.3MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:33:09,840 INFO L158 Benchmark]: Boogie Preprocessor took 31.41ms. Allocated memory is still 136.3MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:33:09,841 INFO L158 Benchmark]: RCFGBuilder took 697.51ms. Allocated memory is still 136.3MB. Free memory was 66.0MB in the beginning and 89.3MB in the end (delta: -23.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:33:09,841 INFO L158 Benchmark]: TraceAbstraction took 11582.11ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 88.3MB in the beginning and 49.7MB in the end (delta: 38.7MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2023-11-19 07:33:09,842 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 201.3MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:33:09,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 102.8MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.34ms. Allocated memory is still 136.3MB. Free memory was 89.8MB in the beginning and 69.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.59ms. Allocated memory is still 136.3MB. Free memory was 69.8MB in the beginning and 67.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.41ms. Allocated memory is still 136.3MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 697.51ms. Allocated memory is still 136.3MB. Free memory was 66.0MB in the beginning and 89.3MB in the end (delta: -23.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11582.11ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 88.3MB in the beginning and 49.7MB in the end (delta: 38.7MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 201.3MB. Free memory is still 49.7MB. 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~pre10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret8 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.2s, 111 PlacesBefore, 27 PlacesAfterwards, 112 TransitionsBefore, 23 TransitionsAfterwards, 4580 CoEnabledTransitionPairs, 7 FixpointIterations, 13 TrivialSequentialCompositions, 86 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 117 TotalNumberOfCompositions, 6111 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4948, independent: 4853, independent conditional: 0, independent unconditional: 4853, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2584, independent: 2560, independent conditional: 0, independent unconditional: 2560, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4948, independent: 2293, independent conditional: 0, independent unconditional: 2293, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 2584, unknown conditional: 0, unknown unconditional: 2584] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.0s, 174 PlacesBefore, 45 PlacesAfterwards, 175 TransitionsBefore, 41 TransitionsAfterwards, 16396 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 132 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 5 ChoiceCompositions, 169 TotalNumberOfCompositions, 20739 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14468, independent: 14290, independent conditional: 0, independent unconditional: 14290, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8760, independent: 8711, independent conditional: 0, independent unconditional: 8711, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14468, independent: 5579, independent conditional: 0, independent unconditional: 5579, dependent: 129, dependent conditional: 0, dependent unconditional: 129, unknown: 8760, unknown conditional: 0, unknown unconditional: 8760] , Statistics on independence cache: Total cache size (in pairs): 218, Positive cache size: 197, Positive conditional cache size: 0, Positive unconditional cache size: 197, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 726]: Data race detected [2023-11-19 07:33:09,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-19 07:33:09,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:33:09,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-19 07:33:09,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 07:33:09,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-19 07:33:09,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-19 07:33:09,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-19 07:33:09,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated Data race detected The following path leads to a data race: [L689] 0 int mutex; [L690] 0 int res; [L732] 0 pthread_t t; [L733] FCALL, FORK 0 pthread_create(&t, 0, thr1, 0) VAL [mutex=0, res=0, t={5:0}] [L724] COND TRUE 1 1 [L726] 1 res < 10 VAL [arg={0:0}, arg={0:0}, mutex=0, res=0] [L734] COND TRUE 0 1 [L736] FCALL, FORK 0 pthread_create(&t, 0, thr2, 0) VAL [mutex=0, res=0, t={5:0}] [L712] 2 FuncType pf; [L713] COND TRUE 2 __VERIFIER_nondet_int() [L714] 2 pf = f1 [L717] CALL 2 __VERIFIER_atomic_acquire() [L693] EXPR 2 mutex==0 [L693] CALL 2 assume_abort_if_not(mutex==0) [L3] COND FALSE 2 !(!cond) [L693] RET 2 assume_abort_if_not(mutex==0) [L694] 2 mutex = 1 [L717] RET 2 __VERIFIER_atomic_acquire() [L718] CALL, EXPR 2 pf(4,3) [L704] 2 return a+b+1; [L718] RET, EXPR 2 pf(4,3) [L718] 2 res = pf(4,3) VAL [arg={0:0}, arg={0:0}, mutex=1, pf={-1:0}, res=8] [L726] 1 res < 10 VAL [arg={0:0}, arg={0:0}, mutex=1, res=8] Now there is a data race on ~res~0 between C: res = pf(4,3) [718] and C: res < 10 [726] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 736]: 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: 733]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 184 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 7 procedures, 260 locations, 20 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: 6.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 12 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:33:09,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_865809dd-8bf0-4a3e-bd4a-50fe9cab373a/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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