./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 cf1a7837 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_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/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_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl --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-cf1a783 [2023-11-12 02:19:43,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:19:43,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:19:43,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:19:43,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:19:43,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:19:43,978 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:19:43,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:19:43,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:19:43,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:19:43,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:19:43,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:19:43,988 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:19:43,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:19:43,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:19:43,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:19:43,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:19:43,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:19:43,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:19:43,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:19:43,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:19:43,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:19:43,993 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:19:43,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:19:43,994 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:19:43,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:19:43,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:19:43,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:19:43,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:19:43,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:19:43,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:43,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:19:43,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:19:43,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:19:43,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:19:44,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:19:44,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:19:44,001 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:19:44,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:19:44,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:19:44,002 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:19:44,002 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_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b500e58ad9de43c2267c6cdc33609b02abfe24fc1cf283e17f14a4a70ea61c [2023-11-12 02:19:44,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:19:44,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:19:44,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:19:44,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:19:44,397 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:19:44,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-ext/30_Function_Pointer3_vs.i [2023-11-12 02:19:47,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:19:47,749 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:19:47,749 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/sv-benchmarks/c/pthread-ext/30_Function_Pointer3_vs.i [2023-11-12 02:19:47,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/data/0c6aff8a2/e1319459bc08470a8a13a7d991be85dc/FLAG6ea31d048 [2023-11-12 02:19:47,800 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/data/0c6aff8a2/e1319459bc08470a8a13a7d991be85dc [2023-11-12 02:19:47,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:19:47,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:19:47,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:47,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:19:47,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:19:47,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:47" (1/1) ... [2023-11-12 02:19:47,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2879b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:47, skipping insertion in model container [2023-11-12 02:19:47,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:19:47" (1/1) ... [2023-11-12 02:19:47,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:19:48,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:48,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:19:48,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:19:48,443 WARN L672 CHandler]: The function pf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:19:48,451 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:19:48,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48 WrapperNode [2023-11-12 02:19:48,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:19:48,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:48,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:19:48,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:19:48,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,528 INFO L138 Inliner]: procedures = 174, calls = 20, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 112 [2023-11-12 02:19:48,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:19:48,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:19:48,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:19:48,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:19:48,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:19:48,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:19:48,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:19:48,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:19:48,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (1/1) ... [2023-11-12 02:19:48,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:19:48,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:19:48,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:19:48,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:19:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-12 02:19:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-12 02:19:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 02:19:48,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 02:19:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:19:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:19:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:19:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:19:48,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:19:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:19:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:19:48,670 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:19:48,879 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:19:48,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:19:49,098 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:19:49,249 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:19:49,250 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:19:49,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:49 BoogieIcfgContainer [2023-11-12 02:19:49,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:19:49,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:19:49,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:19:49,267 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:19:49,267 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:19:47" (1/3) ... [2023-11-12 02:19:49,268 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5987d2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:49, skipping insertion in model container [2023-11-12 02:19:49,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:19:48" (2/3) ... [2023-11-12 02:19:49,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5987d2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:19:49, skipping insertion in model container [2023-11-12 02:19:49,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:49" (3/3) ... [2023-11-12 02:19:49,270 INFO L112 eAbstractionObserver]: Analyzing ICFG 30_Function_Pointer3_vs.i [2023-11-12 02:19:49,277 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:19:49,285 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:19:49,286 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-12 02:19:49,286 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:19:49,365 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:19:49,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 112 places, 113 transitions, 234 flow [2023-11-12 02:19:49,460 INFO L124 PetriNetUnfolderBase]: 8/123 cut-off events. [2023-11-12 02:19:49,460 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:19:49,471 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. [2023-11-12 02:19:49,471 INFO L82 GeneralOperation]: Start removeDead. Operand has 112 places, 113 transitions, 234 flow [2023-11-12 02:19:49,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 112 transitions, 231 flow [2023-11-12 02:19:49,485 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:19:49,502 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 112 transitions, 231 flow [2023-11-12 02:19:49,506 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 112 transitions, 231 flow [2023-11-12 02:19:49,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 111 places, 112 transitions, 231 flow [2023-11-12 02:19:49,541 INFO L124 PetriNetUnfolderBase]: 8/123 cut-off events. [2023-11-12 02:19:49,541 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:19:49,545 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. [2023-11-12 02:19:49,549 INFO L119 LiptonReduction]: Number of co-enabled transitions 4580 [2023-11-12 02:19:53,586 INFO L134 LiptonReduction]: Checked pairs total: 6111 [2023-11-12 02:19:53,586 INFO L136 LiptonReduction]: Total number of compositions: 117 [2023-11-12 02:19:53,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:19:53,618 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;@203c54cd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:19:53,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-11-12 02:19:53,633 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:19:53,634 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2023-11-12 02:19:53,634 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:19:53,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:19:53,635 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:19:53,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2023-11-12 02:19:53,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:53,644 INFO L85 PathProgramCache]: Analyzing trace with hash 531158564, now seen corresponding path program 1 times [2023-11-12 02:19:53,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:53,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393207965] [2023-11-12 02:19:53,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:53,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:53,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:53,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393207965] [2023-11-12 02:19:53,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393207965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:53,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:53,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:19:53,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527896940] [2023-11-12 02:19:53,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:53,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:19:53,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:53,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:19:53,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:53,968 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 230 [2023-11-12 02:19:53,974 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) [2023-11-12 02:19:53,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:19:53,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 230 [2023-11-12 02:19:53,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:19:54,064 INFO L124 PetriNetUnfolderBase]: 82/172 cut-off events. [2023-11-12 02:19:54,064 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:19:54,065 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. [2023-11-12 02:19:54,068 INFO L140 encePairwiseOnDemand]: 219/230 looper letters, 18 selfloop transitions, 3 changer transitions 0/25 dead transitions. [2023-11-12 02:19:54,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 25 transitions, 102 flow [2023-11-12 02:19:54,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:19:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:19:54,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2023-11-12 02:19:54,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4608695652173913 [2023-11-12 02:19:54,087 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 318 transitions. [2023-11-12 02:19:54,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 318 transitions. [2023-11-12 02:19:54,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:19:54,092 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 318 transitions. [2023-11-12 02:19:54,097 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) [2023-11-12 02:19:54,103 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) [2023-11-12 02:19:54,104 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) [2023-11-12 02:19:54,106 INFO L175 Difference]: Start difference. First operand has 27 places, 23 transitions, 53 flow. Second operand 3 states and 318 transitions. [2023-11-12 02:19:54,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 25 transitions, 102 flow [2023-11-12 02:19:54,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 25 transitions, 101 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:19:54,112 INFO L231 Difference]: Finished difference. Result has 24 places, 19 transitions, 64 flow [2023-11-12 02:19:54,114 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} [2023-11-12 02:19:54,118 INFO L281 CegarLoopForPetriNet]: 27 programPoint places, -3 predicate places. [2023-11-12 02:19:54,118 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 19 transitions, 64 flow [2023-11-12 02:19:54,118 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) [2023-11-12 02:19:54,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:19:54,119 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2023-11-12 02:19:54,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:19:54,120 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)] === [2023-11-12 02:19:54,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1502194059, now seen corresponding path program 1 times [2023-11-12 02:19:54,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:54,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089310342] [2023-11-12 02:19:54,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:54,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:19:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:19:54,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:19:54,182 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:19:54,184 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 14 remaining) [2023-11-12 02:19:54,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2023-11-12 02:19:54,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2023-11-12 02:19:54,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2023-11-12 02:19:54,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2023-11-12 02:19:54,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2023-11-12 02:19:54,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2023-11-12 02:19:54,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 14 remaining) [2023-11-12 02:19:54,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2023-11-12 02:19:54,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2023-11-12 02:19:54,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2023-11-12 02:19:54,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2023-11-12 02:19:54,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2023-11-12 02:19:54,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2023-11-12 02:19:54,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:19:54,190 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 02:19:54,193 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-12 02:19:54,193 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-12 02:19:54,238 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:19:54,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 192 places, 195 transitions, 410 flow [2023-11-12 02:19:54,284 INFO L124 PetriNetUnfolderBase]: 11/199 cut-off events. [2023-11-12 02:19:54,284 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:19:54,288 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. [2023-11-12 02:19:54,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 195 transitions, 410 flow [2023-11-12 02:19:54,291 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 174 places, 175 transitions, 363 flow [2023-11-12 02:19:54,291 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:19:54,291 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 175 transitions, 363 flow [2023-11-12 02:19:54,292 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 175 transitions, 363 flow [2023-11-12 02:19:54,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 175 transitions, 363 flow [2023-11-12 02:19:54,355 INFO L124 PetriNetUnfolderBase]: 11/199 cut-off events. [2023-11-12 02:19:54,356 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:19:54,362 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. [2023-11-12 02:19:54,375 INFO L119 LiptonReduction]: Number of co-enabled transitions 16396 [2023-11-12 02:19:59,412 INFO L134 LiptonReduction]: Checked pairs total: 20739 [2023-11-12 02:19:59,412 INFO L136 LiptonReduction]: Total number of compositions: 169 [2023-11-12 02:19:59,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:19:59,416 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;@203c54cd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:19:59,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-12 02:19:59,418 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:19:59,419 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2023-11-12 02:19:59,419 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:19:59,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:19:59,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:19:59,419 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2023-11-12 02:19:59,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:19:59,420 INFO L85 PathProgramCache]: Analyzing trace with hash 947741836, now seen corresponding path program 1 times [2023-11-12 02:19:59,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:19:59,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342241756] [2023-11-12 02:19:59,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:19:59,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:19:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:19:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:19:59,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:19:59,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342241756] [2023-11-12 02:19:59,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342241756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:19:59,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:19:59,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:19:59,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688837353] [2023-11-12 02:19:59,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:19:59,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:19:59,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:19:59,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:19:59,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:19:59,489 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 364 [2023-11-12 02:19:59,491 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) [2023-11-12 02:19:59,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:19:59,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 364 [2023-11-12 02:19:59,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:19:59,951 INFO L124 PetriNetUnfolderBase]: 1741/2581 cut-off events. [2023-11-12 02:19:59,952 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2023-11-12 02:19:59,956 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. [2023-11-12 02:19:59,976 INFO L140 encePairwiseOnDemand]: 348/364 looper letters, 41 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2023-11-12 02:19:59,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 51 transitions, 213 flow [2023-11-12 02:19:59,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:19:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:19:59,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2023-11-12 02:19:59,985 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4990842490842491 [2023-11-12 02:19:59,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 545 transitions. [2023-11-12 02:19:59,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 545 transitions. [2023-11-12 02:19:59,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:19:59,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 545 transitions. [2023-11-12 02:19:59,991 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) [2023-11-12 02:19:59,996 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) [2023-11-12 02:19:59,997 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) [2023-11-12 02:19:59,998 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 95 flow. Second operand 3 states and 545 transitions. [2023-11-12 02:19:59,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 51 transitions, 213 flow [2023-11-12 02:20:00,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 51 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:20:00,001 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 106 flow [2023-11-12 02:20:00,002 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} [2023-11-12 02:20:00,003 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, -7 predicate places. [2023-11-12 02:20:00,003 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 106 flow [2023-11-12 02:20:00,007 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) [2023-11-12 02:20:00,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:00,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:00,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:20:00,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2023-11-12 02:20:00,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash 404180480, now seen corresponding path program 1 times [2023-11-12 02:20:00,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:00,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419947071] [2023-11-12 02:20:00,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:00,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:20:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:20:00,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:20:00,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419947071] [2023-11-12 02:20:00,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419947071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:20:00,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:20:00,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:20:00,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413938038] [2023-11-12 02:20:00,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:20:00,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:20:00,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:20:00,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:20:00,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:20:00,135 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 364 [2023-11-12 02:20:00,136 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) [2023-11-12 02:20:00,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:20:00,137 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 364 [2023-11-12 02:20:00,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:20:00,510 INFO L124 PetriNetUnfolderBase]: 1703/2622 cut-off events. [2023-11-12 02:20:00,510 INFO L125 PetriNetUnfolderBase]: For 1023/1023 co-relation queries the response was YES. [2023-11-12 02:20:00,515 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. [2023-11-12 02:20:00,539 INFO L140 encePairwiseOnDemand]: 358/364 looper letters, 33 selfloop transitions, 8 changer transitions 0/49 dead transitions. [2023-11-12 02:20:00,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 49 transitions, 235 flow [2023-11-12 02:20:00,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:20:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:20:00,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2023-11-12 02:20:00,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4706959706959707 [2023-11-12 02:20:00,543 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 514 transitions. [2023-11-12 02:20:00,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 514 transitions. [2023-11-12 02:20:00,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:20:00,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 514 transitions. [2023-11-12 02:20:00,545 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) [2023-11-12 02:20:00,549 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) [2023-11-12 02:20:00,550 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) [2023-11-12 02:20:00,550 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 106 flow. Second operand 3 states and 514 transitions. [2023-11-12 02:20:00,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 49 transitions, 235 flow [2023-11-12 02:20:00,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 49 transitions, 223 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:20:00,562 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 164 flow [2023-11-12 02:20:00,562 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} [2023-11-12 02:20:00,565 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, -5 predicate places. [2023-11-12 02:20:00,566 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 164 flow [2023-11-12 02:20:00,566 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) [2023-11-12 02:20:00,566 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:20:00,567 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:20:00,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:20:00,567 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2023-11-12 02:20:00,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:20:00,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1774316266, now seen corresponding path program 1 times [2023-11-12 02:20:00,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:20:00,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471234782] [2023-11-12 02:20:00,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:20:00,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:20:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:20:00,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:20:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:20:00,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:20:00,664 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:20:00,664 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 20 remaining) [2023-11-12 02:20:00,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2023-11-12 02:20:00,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2023-11-12 02:20:00,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2023-11-12 02:20:00,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2023-11-12 02:20:00,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2023-11-12 02:20:00,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2023-11-12 02:20:00,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 20 remaining) [2023-11-12 02:20:00,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-12 02:20:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2023-11-12 02:20:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (9 of 20 remaining) [2023-11-12 02:20:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (8 of 20 remaining) [2023-11-12 02:20:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (7 of 20 remaining) [2023-11-12 02:20:00,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (6 of 20 remaining) [2023-11-12 02:20:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining) [2023-11-12 02:20:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2023-11-12 02:20:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2023-11-12 02:20:00,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2023-11-12 02:20:00,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2023-11-12 02:20:00,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2023-11-12 02:20:00,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:20:00,669 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:20:00,679 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2023-11-12 02:20:00,680 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:20:00,723 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-12 02:20:00,726 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-12 02:20:00,729 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 02:20:00,729 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-12 02:20:00,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:20:00 BasicIcfg [2023-11-12 02:20:00,739 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:20:00,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:20:00,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:20:00,740 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:20:00,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:19:49" (3/4) ... [2023-11-12 02:20:00,742 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:20:00,743 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:20:00,744 INFO L158 Benchmark]: Toolchain (without parser) took 12935.14ms. Allocated memory was 182.5MB in the beginning and 268.4MB in the end (delta: 86.0MB). Free memory was 136.3MB in the beginning and 114.4MB in the end (delta: 21.9MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,745 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 182.5MB. Free memory was 158.2MB in the beginning and 158.0MB in the end (delta: 163.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:20:00,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.02ms. Allocated memory is still 182.5MB. Free memory was 136.1MB in the beginning and 116.1MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.49ms. Allocated memory is still 182.5MB. Free memory was 115.9MB in the beginning and 113.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,746 INFO L158 Benchmark]: Boogie Preprocessor took 53.20ms. Allocated memory is still 182.5MB. Free memory was 113.7MB in the beginning and 112.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,747 INFO L158 Benchmark]: RCFGBuilder took 672.62ms. Allocated memory is still 182.5MB. Free memory was 112.2MB in the beginning and 148.6MB in the end (delta: -36.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,747 INFO L158 Benchmark]: TraceAbstraction took 11480.36ms. Allocated memory was 182.5MB in the beginning and 268.4MB in the end (delta: 86.0MB). Free memory was 148.4MB in the beginning and 115.4MB in the end (delta: 33.0MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. [2023-11-12 02:20:00,748 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 268.4MB. Free memory was 115.4MB in the beginning and 114.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:20:00,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 182.5MB. Free memory was 158.2MB in the beginning and 158.0MB in the end (delta: 163.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.02ms. Allocated memory is still 182.5MB. Free memory was 136.1MB in the beginning and 116.1MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.49ms. Allocated memory is still 182.5MB. Free memory was 115.9MB in the beginning and 113.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.20ms. Allocated memory is still 182.5MB. Free memory was 113.7MB in the beginning and 112.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.62ms. Allocated memory is still 182.5MB. Free memory was 112.2MB in the beginning and 148.6MB in the end (delta: -36.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11480.36ms. Allocated memory was 182.5MB in the beginning and 268.4MB in the end (delta: 86.0MB). Free memory was 148.4MB in the beginning and 115.4MB in the end (delta: 33.0MB). Peak memory consumption was 122.1MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 268.4MB. Free memory was 115.4MB in the beginning and 114.4MB in the end (delta: 1.0MB). 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: 4.1s, 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: 5.1s, 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 [2023-11-12 02:20:00,769 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-12 02:20:00,770 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-12 02:20:00,770 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 02:20:00,770 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret8 could not be translated [2023-11-12 02:20:00,785 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre10 could not be translated [2023-11-12 02:20:00,789 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre12 could not be translated [2023-11-12 02:20:00,789 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-12 02:20:00,795 WARN L1567 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: 4.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s 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: 5.2s, 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, 0.1s 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! [2023-11-12 02:20:00,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca814c07-3f7e-468b-9e1f-14bbadc35a5c/bin/uautomizer-verify-uTZkv6EMXl/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