./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:09:07,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:09:07,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:09:07,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:09:07,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:09:07,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:09:07,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:09:07,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:09:07,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:09:07,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:09:07,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:09:07,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:09:07,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:09:07,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:09:07,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:09:07,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:09:07,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:09:07,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:09:07,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:09:07,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:09:07,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:09:07,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:09:07,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:09:07,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:09:07,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:09:07,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:09:07,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:09:07,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:09:07,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:09:07,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:09:07,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:09:07,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:09:07,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:09:07,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:09:07,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:09:07,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:09:07,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:09:07,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:09:07,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:09:07,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:09:07,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:09:07,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 22:09:07,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:09:07,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:09:07,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:09:07,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:09:07,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:09:07,383 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:09:07,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:09:07,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:09:07,384 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:09:07,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:09:07,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:09:07,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:09:07,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:09:07,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:09:07,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:09:07,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:09:07,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:09:07,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:09:07,386 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 22:09:07,386 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:09:07,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:09:07,386 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:09:07,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:09:07,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:09:07,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:09:07,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:09:07,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:09:07,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:09:07,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:09:07,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:09:07,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:09:07,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:09:07,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:09:07,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:09:07,388 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:09:07,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:09:07,389 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:09:07,389 INFO L138 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_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2022-12-13 22:09:07,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:09:07,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:09:07,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:09:07,576 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:09:07,576 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:09:07,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-12-13 22:09:10,129 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:09:10,326 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:09:10,327 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-12-13 22:09:10,336 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/data/36525a0be/72a0fc12f31f42c2b9355ee67e0fbb10/FLAG163420d2a [2022-12-13 22:09:10,701 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/data/36525a0be/72a0fc12f31f42c2b9355ee67e0fbb10 [2022-12-13 22:09:10,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:09:10,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:09:10,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:09:10,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:09:10,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:09:10,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:09:10" (1/1) ... [2022-12-13 22:09:10,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc3e74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:10, skipping insertion in model container [2022-12-13 22:09:10,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:09:10" (1/1) ... [2022-12-13 22:09:10,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:09:10,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:09:10,860 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-12-13 22:09:11,062 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 22:09:11,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:09:11,074 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:09:11,083 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-12-13 22:09:11,106 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-12-13 22:09:11,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:09:11,180 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:09:11,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11 WrapperNode [2022-12-13 22:09:11,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:09:11,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:09:11,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:09:11,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:09:11,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,230 INFO L138 Inliner]: procedures = 354, calls = 38, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2022-12-13 22:09:11,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:09:11,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:09:11,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:09:11,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:09:11,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:09:11,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:09:11,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:09:11,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:09:11,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (1/1) ... [2022-12-13 22:09:11,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:09:11,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:09:11,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:09:11,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:09:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-12-13 22:09:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-12-13 22:09:11,316 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-12-13 22:09:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-12-13 22:09:11,317 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-12-13 22:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 22:09:11,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:09:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:09:11,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:09:11,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:09:11,319 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 22:09:11,541 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:09:11,542 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:09:11,699 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:09:11,705 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:09:11,705 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:09:11,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:09:11 BoogieIcfgContainer [2022-12-13 22:09:11,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:09:11,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:09:11,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:09:11,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:09:11,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:09:10" (1/3) ... [2022-12-13 22:09:11,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fec5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:09:11, skipping insertion in model container [2022-12-13 22:09:11,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:09:11" (2/3) ... [2022-12-13 22:09:11,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fec5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:09:11, skipping insertion in model container [2022-12-13 22:09:11,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:09:11" (3/3) ... [2022-12-13 22:09:11,715 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-12-13 22:09:11,723 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 22:09:11,733 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:09:11,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-12-13 22:09:11,733 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 22:09:11,781 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 22:09:11,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 126 transitions, 268 flow [2022-12-13 22:09:11,858 INFO L130 PetriNetUnfolder]: 1/124 cut-off events. [2022-12-13 22:09:11,858 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 22:09:11,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 124 events. 1/124 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2022-12-13 22:09:11,862 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 126 transitions, 268 flow [2022-12-13 22:09:11,866 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 114 transitions, 237 flow [2022-12-13 22:09:11,870 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:09:11,881 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 114 transitions, 237 flow [2022-12-13 22:09:11,884 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 114 transitions, 237 flow [2022-12-13 22:09:11,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 114 transitions, 237 flow [2022-12-13 22:09:11,908 INFO L130 PetriNetUnfolder]: 1/114 cut-off events. [2022-12-13 22:09:11,908 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 22:09:11,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 114 events. 1/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2022-12-13 22:09:11,910 INFO L119 LiptonReduction]: Number of co-enabled transitions 2578 [2022-12-13 22:09:15,066 INFO L134 LiptonReduction]: Checked pairs total: 7431 [2022-12-13 22:09:15,067 INFO L136 LiptonReduction]: Total number of compositions: 88 [2022-12-13 22:09:15,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:09:15,081 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=LoopsAndPotentialCycles, 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;@60a32165, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:09:15,081 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-12-13 22:09:15,084 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-13 22:09:15,084 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:09:15,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:09:15,084 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 22:09:15,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 22:09:15,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:09:15,088 INFO L85 PathProgramCache]: Analyzing trace with hash 404733136, now seen corresponding path program 1 times [2022-12-13 22:09:15,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:09:15,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257078029] [2022-12-13 22:09:15,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:09:15,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:09:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:09:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:09:15,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:09:15,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257078029] [2022-12-13 22:09:15,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257078029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:09:15,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:09:15,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:09:15,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679346431] [2022-12-13 22:09:15,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:09:15,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:09:15,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:09:15,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:09:15,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:09:15,299 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 214 [2022-12-13 22:09:15,301 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 81 flow. Second operand has 2 states, 2 states have (on average 122.5) internal successors, (245), 2 states have internal predecessors, (245), 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) [2022-12-13 22:09:15,301 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:09:15,301 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 214 [2022-12-13 22:09:15,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:09:15,390 INFO L130 PetriNetUnfolder]: 162/402 cut-off events. [2022-12-13 22:09:15,390 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-13 22:09:15,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 740 conditions, 402 events. 162/402 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1810 event pairs, 162 based on Foata normal form. 12/375 useless extension candidates. Maximal degree in co-relation 689. Up to 306 conditions per place. [2022-12-13 22:09:15,396 INFO L137 encePairwiseOnDemand]: 211/214 looper letters, 21 selfloop transitions, 0 changer transitions 0/33 dead transitions. [2022-12-13 22:09:15,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 33 transitions, 117 flow [2022-12-13 22:09:15,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:09:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 22:09:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 264 transitions. [2022-12-13 22:09:15,405 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.616822429906542 [2022-12-13 22:09:15,406 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 264 transitions. [2022-12-13 22:09:15,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 264 transitions. [2022-12-13 22:09:15,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:09:15,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 264 transitions. [2022-12-13 22:09:15,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 132.0) internal successors, (264), 2 states have internal predecessors, (264), 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) [2022-12-13 22:09:15,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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) [2022-12-13 22:09:15,414 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 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) [2022-12-13 22:09:15,415 INFO L175 Difference]: Start difference. First operand has 42 places, 36 transitions, 81 flow. Second operand 2 states and 264 transitions. [2022-12-13 22:09:15,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 33 transitions, 117 flow [2022-12-13 22:09:15,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 33 transitions, 112 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 22:09:15,427 INFO L231 Difference]: Finished difference. Result has 38 places, 33 transitions, 70 flow [2022-12-13 22:09:15,428 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2022-12-13 22:09:15,432 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, -4 predicate places. [2022-12-13 22:09:15,432 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 33 transitions, 70 flow [2022-12-13 22:09:15,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 122.5) internal successors, (245), 2 states have internal predecessors, (245), 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) [2022-12-13 22:09:15,433 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:09:15,433 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 22:09:15,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:09:15,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 22:09:15,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:09:15,434 INFO L85 PathProgramCache]: Analyzing trace with hash -339116873, now seen corresponding path program 1 times [2022-12-13 22:09:15,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:09:15,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953443005] [2022-12-13 22:09:15,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:09:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:09:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:09:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:09:15,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:09:15,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953443005] [2022-12-13 22:09:15,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953443005] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:09:15,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:09:15,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:09:15,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916593683] [2022-12-13 22:09:15,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:09:15,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:09:15,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:09:15,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:09:15,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:09:15,531 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 214 [2022-12-13 22:09:15,532 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2022-12-13 22:09:15,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:09:15,532 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 214 [2022-12-13 22:09:15,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:09:15,619 INFO L130 PetriNetUnfolder]: 252/556 cut-off events. [2022-12-13 22:09:15,619 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:09:15,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 556 events. 252/556 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2439 event pairs, 208 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 1048. Up to 400 conditions per place. [2022-12-13 22:09:15,622 INFO L137 encePairwiseOnDemand]: 209/214 looper letters, 31 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2022-12-13 22:09:15,622 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 43 transitions, 162 flow [2022-12-13 22:09:15,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:09:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:09:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2022-12-13 22:09:15,624 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5747663551401869 [2022-12-13 22:09:15,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 369 transitions. [2022-12-13 22:09:15,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 369 transitions. [2022-12-13 22:09:15,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:09:15,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 369 transitions. [2022-12-13 22:09:15,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) [2022-12-13 22:09:15,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:15,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:15,627 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 70 flow. Second operand 3 states and 369 transitions. [2022-12-13 22:09:15,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 43 transitions, 162 flow [2022-12-13 22:09:15,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 43 transitions, 162 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 22:09:15,628 INFO L231 Difference]: Finished difference. Result has 42 places, 36 transitions, 100 flow [2022-12-13 22:09:15,628 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=42, PETRI_TRANSITIONS=36} [2022-12-13 22:09:15,629 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2022-12-13 22:09:15,629 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 36 transitions, 100 flow [2022-12-13 22:09:15,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2022-12-13 22:09:15,629 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:09:15,629 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:09:15,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:09:15,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 22:09:15,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:09:15,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1431145269, now seen corresponding path program 1 times [2022-12-13 22:09:15,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:09:15,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575084493] [2022-12-13 22:09:15,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:09:15,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:09:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:09:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:09:15,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:09:15,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575084493] [2022-12-13 22:09:15,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575084493] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:09:15,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:09:15,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:09:15,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502428446] [2022-12-13 22:09:15,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:09:15,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:09:15,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:09:15,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:09:15,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:09:15,694 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 214 [2022-12-13 22:09:15,695 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2022-12-13 22:09:15,695 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:09:15,695 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 214 [2022-12-13 22:09:15,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:09:15,802 INFO L130 PetriNetUnfolder]: 286/611 cut-off events. [2022-12-13 22:09:15,802 INFO L131 PetriNetUnfolder]: For 107/121 co-relation queries the response was YES. [2022-12-13 22:09:15,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1283 conditions, 611 events. 286/611 cut-off events. For 107/121 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2811 event pairs, 213 based on Foata normal form. 2/539 useless extension candidates. Maximal degree in co-relation 1278. Up to 463 conditions per place. [2022-12-13 22:09:15,804 INFO L137 encePairwiseOnDemand]: 207/214 looper letters, 30 selfloop transitions, 7 changer transitions 5/52 dead transitions. [2022-12-13 22:09:15,804 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 52 transitions, 227 flow [2022-12-13 22:09:15,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:09:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:09:15,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2022-12-13 22:09:15,806 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5809968847352025 [2022-12-13 22:09:15,806 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 373 transitions. [2022-12-13 22:09:15,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions. [2022-12-13 22:09:15,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:09:15,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions. [2022-12-13 22:09:15,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2022-12-13 22:09:15,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:15,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:15,808 INFO L175 Difference]: Start difference. First operand has 42 places, 36 transitions, 100 flow. Second operand 3 states and 373 transitions. [2022-12-13 22:09:15,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 52 transitions, 227 flow [2022-12-13 22:09:15,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 52 transitions, 215 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 22:09:15,810 INFO L231 Difference]: Finished difference. Result has 43 places, 41 transitions, 137 flow [2022-12-13 22:09:15,810 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=137, PETRI_PLACES=43, PETRI_TRANSITIONS=41} [2022-12-13 22:09:15,810 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, 1 predicate places. [2022-12-13 22:09:15,810 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 41 transitions, 137 flow [2022-12-13 22:09:15,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2022-12-13 22:09:15,811 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:09:15,811 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:09:15,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:09:15,811 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 22:09:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:09:15,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1117133626, now seen corresponding path program 1 times [2022-12-13 22:09:15,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:09:15,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674456827] [2022-12-13 22:09:15,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:09:15,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:09:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:09:15,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:09:15,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:09:15,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674456827] [2022-12-13 22:09:15,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674456827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:09:15,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:09:15,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:09:15,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74088985] [2022-12-13 22:09:15,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:09:15,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:09:15,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:09:15,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:09:15,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:09:15,869 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 214 [2022-12-13 22:09:15,870 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 41 transitions, 137 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2022-12-13 22:09:15,870 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:09:15,870 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 214 [2022-12-13 22:09:15,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:09:15,979 INFO L130 PetriNetUnfolder]: 354/689 cut-off events. [2022-12-13 22:09:15,979 INFO L131 PetriNetUnfolder]: For 254/286 co-relation queries the response was YES. [2022-12-13 22:09:15,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1694 conditions, 689 events. 354/689 cut-off events. For 254/286 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3008 event pairs, 180 based on Foata normal form. 6/647 useless extension candidates. Maximal degree in co-relation 1688. Up to 422 conditions per place. [2022-12-13 22:09:15,983 INFO L137 encePairwiseOnDemand]: 206/214 looper letters, 41 selfloop transitions, 9 changer transitions 1/58 dead transitions. [2022-12-13 22:09:15,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 58 transitions, 295 flow [2022-12-13 22:09:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:09:15,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:09:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2022-12-13 22:09:15,985 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5856697819314641 [2022-12-13 22:09:15,985 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 376 transitions. [2022-12-13 22:09:15,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions. [2022-12-13 22:09:15,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:09:15,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions. [2022-12-13 22:09:15,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2022-12-13 22:09:15,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:15,987 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:15,987 INFO L175 Difference]: Start difference. First operand has 43 places, 41 transitions, 137 flow. Second operand 3 states and 376 transitions. [2022-12-13 22:09:15,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 58 transitions, 295 flow [2022-12-13 22:09:15,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 58 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:09:15,990 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 210 flow [2022-12-13 22:09:15,990 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2022-12-13 22:09:15,991 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, 4 predicate places. [2022-12-13 22:09:15,991 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 210 flow [2022-12-13 22:09:15,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2022-12-13 22:09:15,991 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:09:15,991 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:09:15,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:09:15,991 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 22:09:15,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:09:15,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1070337703, now seen corresponding path program 1 times [2022-12-13 22:09:15,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:09:15,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417976092] [2022-12-13 22:09:15,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:09:15,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:09:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:09:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:09:16,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:09:16,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417976092] [2022-12-13 22:09:16,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417976092] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:09:16,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:09:16,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:09:16,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340207205] [2022-12-13 22:09:16,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:09:16,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:09:16,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:09:16,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:09:16,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:09:16,094 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 214 [2022-12-13 22:09:16,095 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2022-12-13 22:09:16,095 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:09:16,095 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 214 [2022-12-13 22:09:16,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:09:16,153 INFO L130 PetriNetUnfolder]: 62/207 cut-off events. [2022-12-13 22:09:16,153 INFO L131 PetriNetUnfolder]: For 105/105 co-relation queries the response was YES. [2022-12-13 22:09:16,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 207 events. 62/207 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 717 event pairs, 15 based on Foata normal form. 28/229 useless extension candidates. Maximal degree in co-relation 503. Up to 119 conditions per place. [2022-12-13 22:09:16,154 INFO L137 encePairwiseOnDemand]: 208/214 looper letters, 14 selfloop transitions, 5 changer transitions 7/34 dead transitions. [2022-12-13 22:09:16,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 34 transitions, 163 flow [2022-12-13 22:09:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:09:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:09:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2022-12-13 22:09:16,155 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.573208722741433 [2022-12-13 22:09:16,155 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 368 transitions. [2022-12-13 22:09:16,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 368 transitions. [2022-12-13 22:09:16,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:09:16,155 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 368 transitions. [2022-12-13 22:09:16,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2022-12-13 22:09:16,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:16,157 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:16,157 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 210 flow. Second operand 3 states and 368 transitions. [2022-12-13 22:09:16,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 34 transitions, 163 flow [2022-12-13 22:09:16,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 34 transitions, 127 flow, removed 10 selfloop flow, removed 8 redundant places. [2022-12-13 22:09:16,159 INFO L231 Difference]: Finished difference. Result has 36 places, 24 transitions, 61 flow [2022-12-13 22:09:16,159 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2022-12-13 22:09:16,159 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, -6 predicate places. [2022-12-13 22:09:16,159 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 24 transitions, 61 flow [2022-12-13 22:09:16,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2022-12-13 22:09:16,160 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:09:16,160 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:09:16,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:09:16,160 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2022-12-13 22:09:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:09:16,160 INFO L85 PathProgramCache]: Analyzing trace with hash 392895779, now seen corresponding path program 1 times [2022-12-13 22:09:16,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:09:16,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841926326] [2022-12-13 22:09:16,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:09:16,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:09:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:09:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:09:16,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:09:16,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841926326] [2022-12-13 22:09:16,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841926326] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:09:16,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:09:16,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:09:16,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838468904] [2022-12-13 22:09:16,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:09:16,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:09:16,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:09:16,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:09:16,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:09:16,221 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 214 [2022-12-13 22:09:16,221 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 24 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2022-12-13 22:09:16,221 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:09:16,221 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 214 [2022-12-13 22:09:16,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:09:16,257 INFO L130 PetriNetUnfolder]: 43/138 cut-off events. [2022-12-13 22:09:16,257 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-13 22:09:16,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 138 events. 43/138 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 429 event pairs, 39 based on Foata normal form. 6/142 useless extension candidates. Maximal degree in co-relation 297. Up to 105 conditions per place. [2022-12-13 22:09:16,258 INFO L137 encePairwiseOnDemand]: 212/214 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2022-12-13 22:09:16,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 26 transitions, 109 flow [2022-12-13 22:09:16,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:09:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:09:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 355 transitions. [2022-12-13 22:09:16,259 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5529595015576324 [2022-12-13 22:09:16,259 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 355 transitions. [2022-12-13 22:09:16,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 355 transitions. [2022-12-13 22:09:16,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:09:16,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 355 transitions. [2022-12-13 22:09:16,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2022-12-13 22:09:16,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:16,261 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 214.0) internal successors, (856), 4 states have internal predecessors, (856), 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) [2022-12-13 22:09:16,261 INFO L175 Difference]: Start difference. First operand has 36 places, 24 transitions, 61 flow. Second operand 3 states and 355 transitions. [2022-12-13 22:09:16,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 26 transitions, 109 flow [2022-12-13 22:09:16,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 26 transitions, 104 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:09:16,262 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2022-12-13 22:09:16,262 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2022-12-13 22:09:16,262 INFO L288 CegarLoopForPetriNet]: 42 programPoint places, -11 predicate places. [2022-12-13 22:09:16,262 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2022-12-13 22:09:16,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2022-12-13 22:09:16,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2022-12-13 22:09:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2022-12-13 22:09:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2022-12-13 22:09:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 14 remaining) [2022-12-13 22:09:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2022-12-13 22:09:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2022-12-13 22:09:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2022-12-13 22:09:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2022-12-13 22:09:16,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2022-12-13 22:09:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2022-12-13 22:09:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2022-12-13 22:09:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2022-12-13 22:09:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2022-12-13 22:09:16,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2022-12-13 22:09:16,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 22:09:16,266 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-13 22:09:16,270 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 22:09:16,270 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:09:16,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:09:16 BasicIcfg [2022-12-13 22:09:16,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:09:16,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:09:16,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:09:16,273 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:09:16,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:09:11" (3/4) ... [2022-12-13 22:09:16,276 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 22:09:16,280 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2022-12-13 22:09:16,280 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2022-12-13 22:09:16,283 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 22:09:16,283 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 22:09:16,283 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 22:09:16,283 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 22:09:16,309 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:09:16,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:09:16,309 INFO L158 Benchmark]: Toolchain (without parser) took 5604.62ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 81.8MB in the beginning and 40.1MB in the end (delta: 41.6MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-12-13 22:09:16,310 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:09:16,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.30ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 81.5MB in the beginning and 107.4MB in the end (delta: -25.9MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2022-12-13 22:09:16,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 104.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:09:16,310 INFO L158 Benchmark]: Boogie Preprocessor took 29.36ms. Allocated memory is still 144.7MB. Free memory was 104.6MB in the beginning and 101.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:09:16,310 INFO L158 Benchmark]: RCFGBuilder took 445.97ms. Allocated memory is still 144.7MB. Free memory was 101.8MB in the beginning and 80.8MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 22:09:16,311 INFO L158 Benchmark]: TraceAbstraction took 4563.78ms. Allocated memory is still 144.7MB. Free memory was 80.1MB in the beginning and 42.2MB in the end (delta: 37.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-12-13 22:09:16,311 INFO L158 Benchmark]: Witness Printer took 35.79ms. Allocated memory is still 144.7MB. Free memory was 42.2MB in the beginning and 40.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:09:16,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.30ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 81.5MB in the beginning and 107.4MB in the end (delta: -25.9MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.43ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 104.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.36ms. Allocated memory is still 144.7MB. Free memory was 104.6MB in the beginning and 101.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.97ms. Allocated memory is still 144.7MB. Free memory was 101.8MB in the beginning and 80.8MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4563.78ms. Allocated memory is still 144.7MB. Free memory was 80.1MB in the beginning and 42.2MB in the end (delta: 37.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 35.79ms. Allocated memory is still 144.7MB. Free memory was 42.2MB in the beginning and 40.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 120 PlacesBefore, 42 PlacesAfterwards, 114 TransitionsBefore, 36 TransitionsAfterwards, 2578 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 88 TotalNumberOfCompositions, 7431 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3479, independent: 3140, independent conditional: 0, independent unconditional: 3140, dependent: 339, dependent conditional: 0, dependent unconditional: 339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1314, independent: 1274, independent conditional: 0, independent unconditional: 1274, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3479, independent: 1866, independent conditional: 0, independent unconditional: 1866, dependent: 299, dependent conditional: 0, dependent unconditional: 299, unknown: 1314, unknown conditional: 0, unknown unconditional: 1314] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 146, Positive conditional cache size: 0, Positive unconditional cache size: 146, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1360]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 178 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: 4.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 355 IncrementalHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 3 mSDtfsCounter, 355 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=4, InterpolantAutomatonStates: 17, 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, 0.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 22:09:16,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8783abe4-1918-439f-9039-3d64ad9d800f/bin/uautomizer-uyxdKDjOR8/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 Result: TRUE