./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/mult-comm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/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_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/mult-comm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/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_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/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 a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e --- 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 17:06:21,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:06:21,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:06:21,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:06:21,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:06:21,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:06:21,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:06:21,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:06:21,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:06:21,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:06:21,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:06:21,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:06:21,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:06:21,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:06:21,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:06:21,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:06:21,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:06:21,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:06:21,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:06:21,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:06:21,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:06:21,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:06:21,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:06:21,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:06:21,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:06:21,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:06:21,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:06:21,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:06:21,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:06:21,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:06:21,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:06:21,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:06:21,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:06:21,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:06:21,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:06:21,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:06:21,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:06:21,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:06:21,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:06:21,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:06:21,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:06:21,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 17:06:21,247 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:06:21,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:06:21,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:06:21,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:06:21,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:06:21,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:06:21,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:06:21,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:06:21,249 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:06:21,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:06:21,249 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:06:21,249 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:06:21,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:06:21,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:06:21,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:06:21,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:06:21,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:06:21,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:06:21,250 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 17:06:21,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:06:21,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:06:21,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:06:21,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:06:21,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:06:21,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:06:21,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:06:21,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:06:21,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:06:21,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:06:21,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:06:21,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:06:21,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:06:21,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:06:21,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:06:21,253 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:06:21,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:06:21,254 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:06:21,254 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_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0efdc82161997cbf03fd7c104a0f7adcc3337af1f91e29fd2b7831e9d52958e [2022-12-13 17:06:21,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:06:21,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:06:21,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:06:21,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:06:21,438 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:06:21,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/mult-comm.wvr.c [2022-12-13 17:06:24,021 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:06:24,218 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:06:24,218 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/sv-benchmarks/c/weaver/mult-comm.wvr.c [2022-12-13 17:06:24,225 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/data/4cb991e1f/fbdfdd50810340c4884e54c056cbcb6c/FLAGcc8e26257 [2022-12-13 17:06:24,239 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/data/4cb991e1f/fbdfdd50810340c4884e54c056cbcb6c [2022-12-13 17:06:24,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:06:24,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:06:24,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:06:24,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:06:24,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:06:24,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c32cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24, skipping insertion in model container [2022-12-13 17:06:24,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:06:24,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:06:24,415 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_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/sv-benchmarks/c/weaver/mult-comm.wvr.c[1910,1923] [2022-12-13 17:06:24,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:06:24,423 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:06:24,439 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_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/sv-benchmarks/c/weaver/mult-comm.wvr.c[1910,1923] [2022-12-13 17:06:24,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:06:24,450 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:06:24,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24 WrapperNode [2022-12-13 17:06:24,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:06:24,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:06:24,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:06:24,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:06:24,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,477 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-12-13 17:06:24,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:06:24,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:06:24,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:06:24,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:06:24,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:06:24,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:06:24,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:06:24,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:06:24,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (1/1) ... [2022-12-13 17:06:24,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:06:24,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:06:24,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:06:24,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:06:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:06:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 17:06:24,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 17:06:24,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 17:06:24,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 17:06:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:06:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:06:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:06:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:06:24,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:06:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:06:24,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:06:24,548 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 17:06:24,626 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:06:24,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:06:24,833 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:06:24,842 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:06:24,842 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:06:24,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:24 BoogieIcfgContainer [2022-12-13 17:06:24,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:06:24,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:06:24,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:06:24,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:06:24,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:06:24" (1/3) ... [2022-12-13 17:06:24,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31911bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:06:24, skipping insertion in model container [2022-12-13 17:06:24,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:06:24" (2/3) ... [2022-12-13 17:06:24,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31911bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:06:24, skipping insertion in model container [2022-12-13 17:06:24,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:24" (3/3) ... [2022-12-13 17:06:24,850 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2022-12-13 17:06:24,857 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 17:06:24,864 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:06:24,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-12-13 17:06:24,865 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 17:06:24,920 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 17:06:24,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 135 transitions, 286 flow [2022-12-13 17:06:24,993 INFO L130 PetriNetUnfolder]: 5/133 cut-off events. [2022-12-13 17:06:24,993 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 17:06:24,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 133 events. 5/133 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 152 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2022-12-13 17:06:24,998 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 135 transitions, 286 flow [2022-12-13 17:06:25,001 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 115 transitions, 242 flow [2022-12-13 17:06:25,004 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:06:25,011 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 115 transitions, 242 flow [2022-12-13 17:06:25,013 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 115 transitions, 242 flow [2022-12-13 17:06:25,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 115 transitions, 242 flow [2022-12-13 17:06:25,036 INFO L130 PetriNetUnfolder]: 4/115 cut-off events. [2022-12-13 17:06:25,036 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 17:06:25,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 115 events. 4/115 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 149 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2022-12-13 17:06:25,038 INFO L119 LiptonReduction]: Number of co-enabled transitions 2736 [2022-12-13 17:06:26,908 INFO L134 LiptonReduction]: Checked pairs total: 6346 [2022-12-13 17:06:26,908 INFO L136 LiptonReduction]: Total number of compositions: 111 [2022-12-13 17:06:26,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:06:26,927 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;@3b96fcbb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:06:26,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-12-13 17:06:26,929 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 17:06:26,929 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:06:26,929 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:06:26,930 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 17:06:26,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-13 17:06:26,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:06:26,935 INFO L85 PathProgramCache]: Analyzing trace with hash 483, now seen corresponding path program 1 times [2022-12-13 17:06:26,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:06:26,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706953667] [2022-12-13 17:06:26,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:06:26,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:06:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:06:27,023 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 17:06:27,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:06:27,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706953667] [2022-12-13 17:06:27,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706953667] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:06:27,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:06:27,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 17:06:27,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528156336] [2022-12-13 17:06:27,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:06:27,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 17:06:27,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:06:27,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:06:27,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:06:27,051 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 246 [2022-12-13 17:06:27,053 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 84 flow. Second operand has 2 states, 2 states have (on average 127.5) internal successors, (255), 2 states have internal predecessors, (255), 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 17:06:27,053 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:06:27,053 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 246 [2022-12-13 17:06:27,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:06:27,111 INFO L130 PetriNetUnfolder]: 90/194 cut-off events. [2022-12-13 17:06:27,111 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-13 17:06:27,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 194 events. 90/194 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 818 event pairs, 50 based on Foata normal form. 48/197 useless extension candidates. Maximal degree in co-relation 296. Up to 147 conditions per place. [2022-12-13 17:06:27,114 INFO L137 encePairwiseOnDemand]: 234/246 looper letters, 14 selfloop transitions, 0 changer transitions 1/24 dead transitions. [2022-12-13 17:06:27,114 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 24 transitions, 90 flow [2022-12-13 17:06:27,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:06:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 17:06:27,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 281 transitions. [2022-12-13 17:06:27,125 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5711382113821138 [2022-12-13 17:06:27,126 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 281 transitions. [2022-12-13 17:06:27,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 281 transitions. [2022-12-13 17:06:27,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:06:27,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 281 transitions. [2022-12-13 17:06:27,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 140.5) internal successors, (281), 2 states have internal predecessors, (281), 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 17:06:27,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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 17:06:27,135 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 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 17:06:27,136 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 84 flow. Second operand 2 states and 281 transitions. [2022-12-13 17:06:27,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 24 transitions, 90 flow [2022-12-13 17:06:27,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 24 transitions, 82 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 17:06:27,140 INFO L231 Difference]: Finished difference. Result has 26 places, 23 transitions, 49 flow [2022-12-13 17:06:27,142 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=49, PETRI_PLACES=26, PETRI_TRANSITIONS=23} [2022-12-13 17:06:27,144 INFO L288 CegarLoopForPetriNet]: 39 programPoint places, -13 predicate places. [2022-12-13 17:06:27,145 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 23 transitions, 49 flow [2022-12-13 17:06:27,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 127.5) internal successors, (255), 2 states have internal predecessors, (255), 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 17:06:27,145 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:06:27,145 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:06:27,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:06:27,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-13 17:06:27,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:06:27,146 INFO L85 PathProgramCache]: Analyzing trace with hash 457371349, now seen corresponding path program 1 times [2022-12-13 17:06:27,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:06:27,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593706551] [2022-12-13 17:06:27,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:06:27,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:06:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:06:27,195 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 17:06:27,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:06:27,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593706551] [2022-12-13 17:06:27,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593706551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:06:27,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:06:27,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:06:27,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709278065] [2022-12-13 17:06:27,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:06:27,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:06:27,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:06:27,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:06:27,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:06:27,210 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 246 [2022-12-13 17:06:27,211 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 23 transitions, 49 flow. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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 17:06:27,211 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:06:27,211 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 246 [2022-12-13 17:06:27,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:06:27,262 INFO L130 PetriNetUnfolder]: 112/231 cut-off events. [2022-12-13 17:06:27,262 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 17:06:27,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 231 events. 112/231 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 974 event pairs, 18 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 424. Up to 176 conditions per place. [2022-12-13 17:06:27,264 INFO L137 encePairwiseOnDemand]: 242/246 looper letters, 20 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2022-12-13 17:06:27,264 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 28 transitions, 104 flow [2022-12-13 17:06:27,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:06:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:06:27,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2022-12-13 17:06:27,268 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5203252032520326 [2022-12-13 17:06:27,268 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2022-12-13 17:06:27,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2022-12-13 17:06:27,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:06:27,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2022-12-13 17:06:27,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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 17:06:27,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 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 17:06:27,273 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 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 17:06:27,273 INFO L175 Difference]: Start difference. First operand has 26 places, 23 transitions, 49 flow. Second operand 3 states and 384 transitions. [2022-12-13 17:06:27,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 28 transitions, 104 flow [2022-12-13 17:06:27,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 28 transitions, 104 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:06:27,274 INFO L231 Difference]: Finished difference. Result has 26 places, 23 transitions, 59 flow [2022-12-13 17:06:27,274 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=45, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=59, PETRI_PLACES=26, PETRI_TRANSITIONS=23} [2022-12-13 17:06:27,275 INFO L288 CegarLoopForPetriNet]: 39 programPoint places, -13 predicate places. [2022-12-13 17:06:27,275 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 23 transitions, 59 flow [2022-12-13 17:06:27,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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 17:06:27,275 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:06:27,276 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:06:27,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:06:27,276 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-12-13 17:06:27,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:06:27,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1447323338, now seen corresponding path program 1 times [2022-12-13 17:06:27,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:06:27,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9786658] [2022-12-13 17:06:27,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:06:27,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:06:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:06:27,325 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 17:06:27,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:06:27,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9786658] [2022-12-13 17:06:27,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9786658] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:06:27,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:06:27,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:06:27,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650359854] [2022-12-13 17:06:27,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:06:27,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:06:27,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:06:27,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:06:27,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:06:27,336 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 246 [2022-12-13 17:06:27,336 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 23 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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 17:06:27,336 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:06:27,336 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 246 [2022-12-13 17:06:27,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:06:27,386 INFO L130 PetriNetUnfolder]: 155/273 cut-off events. [2022-12-13 17:06:27,386 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 17:06:27,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 273 events. 155/273 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1002 event pairs, 16 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 573. Up to 239 conditions per place. [2022-12-13 17:06:27,387 INFO L137 encePairwiseOnDemand]: 242/246 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2022-12-13 17:06:27,387 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 30 transitions, 127 flow [2022-12-13 17:06:27,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:06:27,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:06:27,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2022-12-13 17:06:27,389 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.524390243902439 [2022-12-13 17:06:27,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 387 transitions. [2022-12-13 17:06:27,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 387 transitions. [2022-12-13 17:06:27,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:06:27,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 387 transitions. [2022-12-13 17:06:27,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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 17:06:27,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 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 17:06:27,392 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 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 17:06:27,392 INFO L175 Difference]: Start difference. First operand has 26 places, 23 transitions, 59 flow. Second operand 3 states and 387 transitions. [2022-12-13 17:06:27,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 30 transitions, 127 flow [2022-12-13 17:06:27,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 30 transitions, 127 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:06:27,392 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2022-12-13 17:06:27,392 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2022-12-13 17:06:27,393 INFO L288 CegarLoopForPetriNet]: 39 programPoint places, -13 predicate places. [2022-12-13 17:06:27,393 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2022-12-13 17:06:27,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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 17:06:27,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2022-12-13 17:06:27,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2022-12-13 17:06:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2022-12-13 17:06:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2022-12-13 17:06:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2022-12-13 17:06:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2022-12-13 17:06:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2022-12-13 17:06:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2022-12-13 17:06:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2022-12-13 17:06:27,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2022-12-13 17:06:27,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2022-12-13 17:06:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2022-12-13 17:06:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2022-12-13 17:06:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2022-12-13 17:06:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2022-12-13 17:06:27,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2022-12-13 17:06:27,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:06:27,398 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 17:06:27,402 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 17:06:27,402 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:06:27,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:06:27 BasicIcfg [2022-12-13 17:06:27,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:06:27,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:06:27,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:06:27,406 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:06:27,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:06:24" (3/4) ... [2022-12-13 17:06:27,408 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 17:06:27,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 17:06:27,412 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 17:06:27,414 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-13 17:06:27,415 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 17:06:27,415 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 17:06:27,415 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 17:06:27,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:06:27,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:06:27,439 INFO L158 Benchmark]: Toolchain (without parser) took 3196.72ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 86.2MB in the beginning and 85.8MB in the end (delta: 439.0kB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-12-13 17:06:27,440 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 119.5MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:06:27,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.61ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 74.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:06:27,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.02ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 73.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:06:27,440 INFO L158 Benchmark]: Boogie Preprocessor took 19.44ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 71.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:06:27,441 INFO L158 Benchmark]: RCFGBuilder took 346.42ms. Allocated memory is still 119.5MB. Free memory was 71.5MB in the beginning and 56.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:06:27,441 INFO L158 Benchmark]: TraceAbstraction took 2559.28ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 56.2MB in the beginning and 88.9MB in the end (delta: -32.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:06:27,441 INFO L158 Benchmark]: Witness Printer took 33.62ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 85.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:06:27,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 119.5MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.61ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 74.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.02ms. Allocated memory is still 119.5MB. Free memory was 74.9MB in the beginning and 73.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.44ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 71.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 346.42ms. Allocated memory is still 119.5MB. Free memory was 71.5MB in the beginning and 56.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2559.28ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 56.2MB in the beginning and 88.9MB in the end (delta: -32.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.62ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 85.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 118 PlacesBefore, 39 PlacesAfterwards, 115 TransitionsBefore, 36 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 6 FixpointIterations, 45 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 111 TotalNumberOfCompositions, 6346 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4036, independent: 3858, independent conditional: 0, independent unconditional: 3858, dependent: 178, dependent conditional: 0, dependent unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1626, independent: 1594, independent conditional: 0, independent unconditional: 1594, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4036, independent: 2264, independent conditional: 0, independent unconditional: 2264, dependent: 146, dependent conditional: 0, dependent unconditional: 146, unknown: 1626, unknown conditional: 0, unknown unconditional: 1626] , Statistics on independence cache: Total cache size (in pairs): 163, Positive cache size: 147, Positive conditional cache size: 0, Positive unconditional cache size: 147, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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, 179 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 13 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 17:06:27,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0ee91d0-5ffb-408b-96c0-e24a50238c2e/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