./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.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_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/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_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/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_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/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 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:23:42,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:23:43,072 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:23:43,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:23:43,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:23:43,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:23:43,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:23:43,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:23:43,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:23:43,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:23:43,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:23:43,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:23:43,106 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:23:43,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:23:43,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:23:43,108 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:23:43,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:23:43,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:23:43,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:23:43,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:23:43,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:23:43,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:23:43,112 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:23:43,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:23:43,113 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:23:43,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:23:43,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:23:43,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:23:43,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:23:43,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:23:43,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:43,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:23:43,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:23:43,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:23:43,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:23:43,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:23:43,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:23:43,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:23:43,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:23:43,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:23:43,120 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:23:43,121 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_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 307d63abfae79cdd61ed4daf9d81bc4d48dc48683ca873101296e7e9a62177df [2023-11-12 02:23:43,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:23:43,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:23:43,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:23:43,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:23:43,467 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:23:43,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2023-11-12 02:23:46,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:23:47,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:23:47,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/sv-benchmarks/c/goblint-regression/00-sanity_09-include.i [2023-11-12 02:23:47,094 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/data/e2d2571a1/990f330283664ebe8a2ae405cb5d329f/FLAG46a8ee711 [2023-11-12 02:23:47,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/data/e2d2571a1/990f330283664ebe8a2ae405cb5d329f [2023-11-12 02:23:47,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:23:47,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:23:47,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:47,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:23:47,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:23:47,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:47" (1/1) ... [2023-11-12 02:23:47,123 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1761ca6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:47, skipping insertion in model container [2023-11-12 02:23:47,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:23:47" (1/1) ... [2023-11-12 02:23:47,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:23:47,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:47,848 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:23:47,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:23:48,021 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:23:48,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48 WrapperNode [2023-11-12 02:23:48,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:23:48,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:23:48,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:23:48,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:23:48,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,106 INFO L138 Inliner]: procedures = 264, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-12 02:23:48,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:23:48,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:23:48,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:23:48,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:23:48,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:23:48,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:23:48,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:23:48,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:23:48,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (1/1) ... [2023-11-12 02:23:48,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:23:48,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:23:48,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:23:48,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:23:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:23:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:23:48,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:23:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:23:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:23:48,247 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:23:48,247 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:23:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:23:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:23:48,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:23:48,250 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 02:23:48,441 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:23:48,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:23:48,601 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:23:48,610 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:23:48,610 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:23:48,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:48 BoogieIcfgContainer [2023-11-12 02:23:48,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:23:48,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:23:48,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:23:48,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:23:48,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:23:47" (1/3) ... [2023-11-12 02:23:48,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ec3411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:23:48, skipping insertion in model container [2023-11-12 02:23:48,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:23:48" (2/3) ... [2023-11-12 02:23:48,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ec3411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:23:48, skipping insertion in model container [2023-11-12 02:23:48,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:48" (3/3) ... [2023-11-12 02:23:48,627 INFO L112 eAbstractionObserver]: Analyzing ICFG 00-sanity_09-include.i [2023-11-12 02:23:48,639 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:23:48,648 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:23:48,649 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 02:23:48,649 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:23:48,705 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:23:48,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 112 flow [2023-11-12 02:23:48,819 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2023-11-12 02:23:48,825 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:23:48,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:23:48,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 54 transitions, 112 flow [2023-11-12 02:23:48,835 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 53 transitions, 109 flow [2023-11-12 02:23:48,843 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:23:48,862 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 53 transitions, 109 flow [2023-11-12 02:23:48,873 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 53 transitions, 109 flow [2023-11-12 02:23:48,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 53 transitions, 109 flow [2023-11-12 02:23:48,913 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2023-11-12 02:23:48,913 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:23:48,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 53 events. 0/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:23:48,916 INFO L119 LiptonReduction]: Number of co-enabled transitions 646 [2023-11-12 02:23:50,666 INFO L134 LiptonReduction]: Checked pairs total: 1810 [2023-11-12 02:23:50,666 INFO L136 LiptonReduction]: Total number of compositions: 35 [2023-11-12 02:23:50,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:23:50,692 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;@7c86eab1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:23:50,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-12 02:23:50,697 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:23:50,697 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-11-12 02:23:50,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:23:50,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:23:50,699 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-12 02:23:50,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-12 02:23:50,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:23:50,708 INFO L85 PathProgramCache]: Analyzing trace with hash 5845751, now seen corresponding path program 1 times [2023-11-12 02:23:50,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:23:50,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887149557] [2023-11-12 02:23:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:23:50,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:23:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:23:51,000 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 02:23:51,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:23:51,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887149557] [2023-11-12 02:23:51,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887149557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:23:51,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:23:51,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:23:51,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715591142] [2023-11-12 02:23:51,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:23:51,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:23:51,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:23:51,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:23:51,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:23:51,070 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 89 [2023-11-12 02:23:51,072 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 18 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 02:23:51,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:23:51,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 89 [2023-11-12 02:23:51,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:23:51,131 INFO L124 PetriNetUnfolderBase]: 27/93 cut-off events. [2023-11-12 02:23:51,131 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:23:51,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 93 events. 27/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 364 event pairs, 9 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 161. Up to 37 conditions per place. [2023-11-12 02:23:51,135 INFO L140 encePairwiseOnDemand]: 81/89 looper letters, 16 selfloop transitions, 6 changer transitions 0/27 dead transitions. [2023-11-12 02:23:51,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 27 transitions, 101 flow [2023-11-12 02:23:51,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:23:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:23:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 159 transitions. [2023-11-12 02:23:51,150 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5955056179775281 [2023-11-12 02:23:51,151 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 159 transitions. [2023-11-12 02:23:51,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 159 transitions. [2023-11-12 02:23:51,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:23:51,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 159 transitions. [2023-11-12 02:23:51,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 02:23:51,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 02:23:51,164 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 02:23:51,167 INFO L175 Difference]: Start difference. First operand has 22 places, 18 transitions, 39 flow. Second operand 3 states and 159 transitions. [2023-11-12 02:23:51,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 27 transitions, 101 flow [2023-11-12 02:23:51,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 27 transitions, 100 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:23:51,173 INFO L231 Difference]: Finished difference. Result has 25 places, 24 transitions, 90 flow [2023-11-12 02:23:51,175 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=25, PETRI_TRANSITIONS=24} [2023-11-12 02:23:51,180 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 3 predicate places. [2023-11-12 02:23:51,180 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 24 transitions, 90 flow [2023-11-12 02:23:51,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 02:23:51,181 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:23:51,181 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:23:51,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:23:51,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-12 02:23:51,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:23:51,182 INFO L85 PathProgramCache]: Analyzing trace with hash -278368097, now seen corresponding path program 1 times [2023-11-12 02:23:51,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:23:51,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996160450] [2023-11-12 02:23:51,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:23:51,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:23:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:23:51,243 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 02:23:51,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:23:51,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996160450] [2023-11-12 02:23:51,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996160450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:23:51,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:23:51,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:23:51,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323500743] [2023-11-12 02:23:51,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:23:51,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:23:51,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:23:51,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:23:51,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:23:51,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 89 [2023-11-12 02:23:51,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 24 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 02:23:51,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:23:51,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 89 [2023-11-12 02:23:51,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:23:51,318 INFO L124 PetriNetUnfolderBase]: 26/92 cut-off events. [2023-11-12 02:23:51,318 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2023-11-12 02:23:51,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 92 events. 26/92 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 341 event pairs, 9 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 212. Up to 52 conditions per place. [2023-11-12 02:23:51,321 INFO L140 encePairwiseOnDemand]: 84/89 looper letters, 13 selfloop transitions, 6 changer transitions 1/30 dead transitions. [2023-11-12 02:23:51,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 30 transitions, 152 flow [2023-11-12 02:23:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:23:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:23:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2023-11-12 02:23:51,323 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5430711610486891 [2023-11-12 02:23:51,324 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 145 transitions. [2023-11-12 02:23:51,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 145 transitions. [2023-11-12 02:23:51,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:23:51,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 145 transitions. [2023-11-12 02:23:51,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 02:23:51,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 02:23:51,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 02:23:51,328 INFO L175 Difference]: Start difference. First operand has 25 places, 24 transitions, 90 flow. Second operand 3 states and 145 transitions. [2023-11-12 02:23:51,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 30 transitions, 152 flow [2023-11-12 02:23:51,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:23:51,331 INFO L231 Difference]: Finished difference. Result has 26 places, 28 transitions, 120 flow [2023-11-12 02:23:51,332 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=26, PETRI_TRANSITIONS=28} [2023-11-12 02:23:51,333 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 4 predicate places. [2023-11-12 02:23:51,333 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 28 transitions, 120 flow [2023-11-12 02:23:51,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 02:23:51,333 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:23:51,334 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:23:51,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:23:51,334 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-12 02:23:51,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:23:51,335 INFO L85 PathProgramCache]: Analyzing trace with hash -95626704, now seen corresponding path program 1 times [2023-11-12 02:23:51,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:23:51,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980375356] [2023-11-12 02:23:51,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:23:51,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:23:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:23:51,441 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 02:23:51,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:23:51,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980375356] [2023-11-12 02:23:51,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980375356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:23:51,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:23:51,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:23:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255923652] [2023-11-12 02:23:51,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:23:51,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:23:51,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:23:51,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:23:51,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:23:51,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 89 [2023-11-12 02:23:51,483 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 28 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 02:23:51,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:23:51,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 89 [2023-11-12 02:23:51,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:23:51,539 INFO L124 PetriNetUnfolderBase]: 27/95 cut-off events. [2023-11-12 02:23:51,539 INFO L125 PetriNetUnfolderBase]: For 76/80 co-relation queries the response was YES. [2023-11-12 02:23:51,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 95 events. 27/95 cut-off events. For 76/80 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 359 event pairs, 6 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 249. Up to 56 conditions per place. [2023-11-12 02:23:51,542 INFO L140 encePairwiseOnDemand]: 84/89 looper letters, 11 selfloop transitions, 7 changer transitions 5/33 dead transitions. [2023-11-12 02:23:51,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 33 transitions, 190 flow [2023-11-12 02:23:51,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:23:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:23:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2023-11-12 02:23:51,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5617977528089888 [2023-11-12 02:23:51,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 150 transitions. [2023-11-12 02:23:51,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 150 transitions. [2023-11-12 02:23:51,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:23:51,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 150 transitions. [2023-11-12 02:23:51,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 02:23:51,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 02:23:51,555 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 02:23:51,555 INFO L175 Difference]: Start difference. First operand has 26 places, 28 transitions, 120 flow. Second operand 3 states and 150 transitions. [2023-11-12 02:23:51,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 33 transitions, 190 flow [2023-11-12 02:23:51,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 33 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:23:51,561 INFO L231 Difference]: Finished difference. Result has 28 places, 28 transitions, 141 flow [2023-11-12 02:23:51,561 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=89, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=28, PETRI_TRANSITIONS=28} [2023-11-12 02:23:51,563 INFO L281 CegarLoopForPetriNet]: 22 programPoint places, 6 predicate places. [2023-11-12 02:23:51,567 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 28 transitions, 141 flow [2023-11-12 02:23:51,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 02:23:51,568 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:23:51,568 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:23:51,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:23:51,569 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-12 02:23:51,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:23:51,570 INFO L85 PathProgramCache]: Analyzing trace with hash -39456990, now seen corresponding path program 1 times [2023-11-12 02:23:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:23:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75523925] [2023-11-12 02:23:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:23:51,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:23:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:23:51,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:23:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:23:51,677 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:23:51,678 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:23:51,679 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-12 02:23:51,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-12 02:23:51,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-11-12 02:23:51,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-12 02:23:51,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-12 02:23:51,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-12 02:23:51,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-12 02:23:51,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:23:51,686 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:23:51,695 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:23:51,695 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:23:51,726 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:23:51,727 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post7 could not be translated [2023-11-12 02:23:51,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:23:51 BasicIcfg [2023-11-12 02:23:51,739 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:23:51,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:23:51,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:23:51,740 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:23:51,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:23:48" (3/4) ... [2023-11-12 02:23:51,743 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:23:51,744 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:23:51,748 INFO L158 Benchmark]: Toolchain (without parser) took 4632.14ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 88.4MB in the beginning and 69.9MB in the end (delta: 18.5MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2023-11-12 02:23:51,749 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:23:51,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.39ms. Allocated memory is still 136.3MB. Free memory was 88.4MB in the beginning and 61.4MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 02:23:51,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.40ms. Allocated memory is still 136.3MB. Free memory was 61.4MB in the beginning and 59.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:23:51,750 INFO L158 Benchmark]: Boogie Preprocessor took 28.51ms. Allocated memory is still 136.3MB. Free memory was 59.4MB in the beginning and 57.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:23:51,751 INFO L158 Benchmark]: RCFGBuilder took 476.21ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 57.8MB in the beginning and 141.6MB in the end (delta: -83.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-12 02:23:51,757 INFO L158 Benchmark]: TraceAbstraction took 3124.25ms. Allocated memory is still 174.1MB. Free memory was 140.6MB in the beginning and 71.0MB in the end (delta: 69.6MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-11-12 02:23:51,757 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 174.1MB. Free memory was 71.0MB in the beginning and 69.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:23:51,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.39ms. Allocated memory is still 136.3MB. Free memory was 88.4MB in the beginning and 61.4MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.40ms. Allocated memory is still 136.3MB. Free memory was 61.4MB in the beginning and 59.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.51ms. Allocated memory is still 136.3MB. Free memory was 59.4MB in the beginning and 57.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.21ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 57.8MB in the beginning and 141.6MB in the end (delta: -83.8MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3124.25ms. Allocated memory is still 174.1MB. Free memory was 140.6MB in the beginning and 71.0MB in the end (delta: 69.6MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 174.1MB. Free memory was 71.0MB in the beginning and 69.9MB 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~pre5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post7 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: 1.8s, 57 PlacesBefore, 22 PlacesAfterwards, 53 TransitionsBefore, 18 TransitionsAfterwards, 646 CoEnabledTransitionPairs, 5 FixpointIterations, 15 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 35 TotalNumberOfCompositions, 1810 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 823, independent: 673, independent conditional: 0, independent unconditional: 673, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 331, independent: 300, independent conditional: 0, independent unconditional: 300, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 823, independent: 373, independent conditional: 0, independent unconditional: 373, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 331, unknown conditional: 0, unknown unconditional: 331] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 35, Positive conditional cache size: 0, Positive unconditional cache size: 35, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 991]: Data race detected [2023-11-12 02:23:51,785 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:23:51,787 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post7 could not be translated [2023-11-12 02:23:51,797 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre5 could not be translated [2023-11-12 02:23:51,799 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post7 could not be translated Data race detected The following path leads to a data race: [L987] 0 int glob; [L988] 0 pthread_mutex_t mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L996] 0 pthread_t id; [L997] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={2:0}, mutex={1:0}] [L998] 0 glob++ VAL [arg={0:0}, glob=1, id={2:0}, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={1:0}] [L991] 1 glob++ VAL [arg={0:0}, arg={0:0}, glob=1, mutex={1:0}] Now there is a data race on ~glob~0 between C: glob++ [998] and C: glob++ [991] - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 998]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 997]: 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: 991]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 74 locations, 7 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: 2.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 2 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:23:51,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7f55ee3-2f64-4052-88dc-18181a2ce8b8/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