./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a --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 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 --- 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-b5237d8 [2022-11-21 16:38:23,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:38:23,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:38:23,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:38:23,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:38:23,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:38:23,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:38:23,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:38:23,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:38:23,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:38:23,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:38:23,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:38:23,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:38:23,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:38:23,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:38:23,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:38:23,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:38:23,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:38:23,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:38:23,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:38:23,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:38:23,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:38:23,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:38:23,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:38:23,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:38:23,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:38:23,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:38:23,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:38:23,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:38:23,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:38:23,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:38:23,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:38:23,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:38:23,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:38:23,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:38:23,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:38:23,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:38:23,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:38:23,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:38:23,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:38:23,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:38:23,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:38:23,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:38:23,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:38:23,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:38:23,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:38:23,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:38:23,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:38:23,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:38:23,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:38:23,603 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:38:23,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:38:23,603 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:38:23,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:38:23,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:38:23,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:38:23,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:38:23,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:38:23,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:38:23,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:38:23,606 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:38:23,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:38:23,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:38:23,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:38:23,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:38:23,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:38:23,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:38:23,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:38:23,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:38:23,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:38:23,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:38:23,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:38:23,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:38:23,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:38:23,609 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:38:23,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:38:23,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:38:23,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6459c3a3aa967b53ca30e3b9918903c0b3ea7a6b804c927bd1e7a9e96906dc40 [2022-11-21 16:38:23,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:38:23,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:38:23,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:38:23,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:38:23,930 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:38:23,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2022-11-21 16:38:27,205 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:38:27,477 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:38:27,478 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i [2022-11-21 16:38:27,496 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/data/0e5bfd9ad/7d8eda6bf75c451f8f71eba5615c7956/FLAGc62fd417f [2022-11-21 16:38:27,525 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/data/0e5bfd9ad/7d8eda6bf75c451f8f71eba5615c7956 [2022-11-21 16:38:27,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:38:27,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:38:27,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:38:27,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:38:27,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:38:27,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:38:27" (1/1) ... [2022-11-21 16:38:27,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e1f4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:27, skipping insertion in model container [2022-11-21 16:38:27,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:38:27" (1/1) ... [2022-11-21 16:38:27,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:38:27,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:38:27,858 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_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i[1095,1108] [2022-11-21 16:38:28,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:38:28,136 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:38:28,154 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_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/sv-benchmarks/c/goblint-regression/13-privatized_38-traces-ex-4-switch_true.i[1095,1108] [2022-11-21 16:38:28,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:38:28,263 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:38:28,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28 WrapperNode [2022-11-21 16:38:28,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:38:28,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:38:28,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:38:28,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:38:28,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,335 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-11-21 16:38:28,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:38:28,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:38:28,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:38:28,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:38:28,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:38:28,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:38:28,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:38:28,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:38:28,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (1/1) ... [2022-11-21 16:38:28,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:38:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:38:28,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:38:28,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:38:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:38:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 16:38:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:38:28,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:38:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 16:38:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 16:38:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:38:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:38:28,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:38:28,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:38:28,466 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:38:28,603 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:38:28,605 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:38:28,971 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:38:28,985 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:38:28,985 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:38:28,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:38:28 BoogieIcfgContainer [2022-11-21 16:38:28,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:38:28,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:38:28,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:38:28,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:38:28,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:38:27" (1/3) ... [2022-11-21 16:38:29,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ae966d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:38:29, skipping insertion in model container [2022-11-21 16:38:29,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:38:28" (2/3) ... [2022-11-21 16:38:29,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ae966d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:38:29, skipping insertion in model container [2022-11-21 16:38:29,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:38:28" (3/3) ... [2022-11-21 16:38:29,022 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_38-traces-ex-4-switch_true.i [2022-11-21 16:38:29,032 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:38:29,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:38:29,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-21 16:38:29,045 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:38:29,165 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 16:38:29,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 83 transitions, 171 flow [2022-11-21 16:38:29,333 INFO L130 PetriNetUnfolder]: 1/82 cut-off events. [2022-11-21 16:38:29,334 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:38:29,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 1/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 60 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2022-11-21 16:38:29,341 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 83 transitions, 171 flow [2022-11-21 16:38:29,350 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 82 transitions, 167 flow [2022-11-21 16:38:29,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:38:29,382 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;@467603d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:38:29,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-21 16:38:29,429 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2022-11-21 16:38:29,430 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:38:29,431 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:38:29,431 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:38:29,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-21 16:38:29,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash 789759917, now seen corresponding path program 1 times [2022-11-21 16:38:29,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:29,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925582643] [2022-11-21 16:38:29,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:29,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:38:29,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:29,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925582643] [2022-11-21 16:38:29,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925582643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:29,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:29,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:38:29,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743293475] [2022-11-21 16:38:29,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:29,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:38:29,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:29,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:38:29,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:38:29,884 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 83 [2022-11-21 16:38:29,888 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 82 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2022-11-21 16:38:29,888 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:38:29,889 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 83 [2022-11-21 16:38:29,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:38:30,085 INFO L130 PetriNetUnfolder]: 21/247 cut-off events. [2022-11-21 16:38:30,086 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 16:38:30,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 247 events. 21/247 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 986 event pairs, 4 based on Foata normal form. 13/234 useless extension candidates. Maximal degree in co-relation 274. Up to 33 conditions per place. [2022-11-21 16:38:30,088 INFO L137 encePairwiseOnDemand]: 77/83 looper letters, 12 selfloop transitions, 4 changer transitions 1/87 dead transitions. [2022-11-21 16:38:30,089 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 87 transitions, 211 flow [2022-11-21 16:38:30,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:38:30,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:38:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2022-11-21 16:38:30,114 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9357429718875502 [2022-11-21 16:38:30,115 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 233 transitions. [2022-11-21 16:38:30,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 233 transitions. [2022-11-21 16:38:30,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:38:30,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 233 transitions. [2022-11-21 16:38:30,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2022-11-21 16:38:30,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 16:38:30,136 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 16:38:30,138 INFO L175 Difference]: Start difference. First operand has 85 places, 82 transitions, 167 flow. Second operand 3 states and 233 transitions. [2022-11-21 16:38:30,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 87 transitions, 211 flow [2022-11-21 16:38:30,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 87 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:38:30,150 INFO L231 Difference]: Finished difference. Result has 87 places, 83 transitions, 192 flow [2022-11-21 16:38:30,152 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=87, PETRI_TRANSITIONS=83} [2022-11-21 16:38:30,163 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 2 predicate places. [2022-11-21 16:38:30,163 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 83 transitions, 192 flow [2022-11-21 16:38:30,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 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) [2022-11-21 16:38:30,164 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:38:30,165 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:38:30,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:38:30,166 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-21 16:38:30,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:30,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1987043932, now seen corresponding path program 1 times [2022-11-21 16:38:30,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:30,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287832147] [2022-11-21 16:38:30,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:30,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:38:30,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:30,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287832147] [2022-11-21 16:38:30,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287832147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:30,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:30,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:38:30,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603246019] [2022-11-21 16:38:30,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:30,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:38:30,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:30,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:38:30,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:38:30,311 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 83 [2022-11-21 16:38:30,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 83 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2022-11-21 16:38:30,312 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:38:30,312 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 83 [2022-11-21 16:38:30,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:38:30,385 INFO L130 PetriNetUnfolder]: 25/280 cut-off events. [2022-11-21 16:38:30,390 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-11-21 16:38:30,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 280 events. 25/280 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1339 event pairs, 11 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 376. Up to 58 conditions per place. [2022-11-21 16:38:30,396 INFO L137 encePairwiseOnDemand]: 78/83 looper letters, 16 selfloop transitions, 5 changer transitions 0/89 dead transitions. [2022-11-21 16:38:30,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 89 transitions, 258 flow [2022-11-21 16:38:30,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:38:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:38:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 225 transitions. [2022-11-21 16:38:30,405 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9036144578313253 [2022-11-21 16:38:30,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 225 transitions. [2022-11-21 16:38:30,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 225 transitions. [2022-11-21 16:38:30,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:38:30,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 225 transitions. [2022-11-21 16:38:30,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2022-11-21 16:38:30,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 16:38:30,411 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 16:38:30,411 INFO L175 Difference]: Start difference. First operand has 87 places, 83 transitions, 192 flow. Second operand 3 states and 225 transitions. [2022-11-21 16:38:30,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 89 transitions, 258 flow [2022-11-21 16:38:30,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 89 transitions, 246 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:38:30,417 INFO L231 Difference]: Finished difference. Result has 89 places, 86 transitions, 220 flow [2022-11-21 16:38:30,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2022-11-21 16:38:30,418 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 4 predicate places. [2022-11-21 16:38:30,419 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 220 flow [2022-11-21 16:38:30,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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) [2022-11-21 16:38:30,419 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:38:30,419 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:38:30,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:38:30,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-21 16:38:30,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:30,422 INFO L85 PathProgramCache]: Analyzing trace with hash -638920363, now seen corresponding path program 1 times [2022-11-21 16:38:30,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:30,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754961616] [2022-11-21 16:38:30,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:30,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:38:30,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:30,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754961616] [2022-11-21 16:38:30,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754961616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:30,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:30,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:38:30,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842042998] [2022-11-21 16:38:30,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:30,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:38:30,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:30,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:38:30,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:38:30,696 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 83 [2022-11-21 16:38:30,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2022-11-21 16:38:30,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:38:30,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 83 [2022-11-21 16:38:30,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:38:30,811 INFO L130 PetriNetUnfolder]: 15/263 cut-off events. [2022-11-21 16:38:30,811 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-21 16:38:30,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 263 events. 15/263 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 989 event pairs, 7 based on Foata normal form. 6/260 useless extension candidates. Maximal degree in co-relation 325. Up to 44 conditions per place. [2022-11-21 16:38:30,815 INFO L137 encePairwiseOnDemand]: 75/83 looper letters, 12 selfloop transitions, 6 changer transitions 10/87 dead transitions. [2022-11-21 16:38:30,816 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 87 transitions, 252 flow [2022-11-21 16:38:30,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:38:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:38:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2022-11-21 16:38:30,818 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8795180722891566 [2022-11-21 16:38:30,819 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 219 transitions. [2022-11-21 16:38:30,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 219 transitions. [2022-11-21 16:38:30,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:38:30,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 219 transitions. [2022-11-21 16:38:30,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) [2022-11-21 16:38:30,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 16:38:30,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 16:38:30,824 INFO L175 Difference]: Start difference. First operand has 89 places, 86 transitions, 220 flow. Second operand 3 states and 219 transitions. [2022-11-21 16:38:30,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 87 transitions, 252 flow [2022-11-21 16:38:30,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 87 transitions, 234 flow, removed 3 selfloop flow, removed 4 redundant places. [2022-11-21 16:38:30,829 INFO L231 Difference]: Finished difference. Result has 86 places, 76 transitions, 186 flow [2022-11-21 16:38:30,830 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=86, PETRI_TRANSITIONS=76} [2022-11-21 16:38:30,831 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, 1 predicate places. [2022-11-21 16:38:30,831 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 76 transitions, 186 flow [2022-11-21 16:38:30,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2022-11-21 16:38:30,832 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:38:30,832 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:38:30,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:38:30,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-21 16:38:30,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:30,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1696584919, now seen corresponding path program 1 times [2022-11-21 16:38:30,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:38:30,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804756577] [2022-11-21 16:38:30,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:30,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:38:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:38:30,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:38:30,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804756577] [2022-11-21 16:38:30,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804756577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:30,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:30,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:38:30,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594250143] [2022-11-21 16:38:30,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:30,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:38:30,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:38:30,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:38:30,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:38:30,915 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 83 [2022-11-21 16:38:30,915 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 76 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-11-21 16:38:30,915 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:38:30,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 83 [2022-11-21 16:38:30,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:38:30,950 INFO L130 PetriNetUnfolder]: 4/157 cut-off events. [2022-11-21 16:38:30,950 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-21 16:38:30,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 157 events. 4/157 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 391 event pairs, 1 based on Foata normal form. 3/158 useless extension candidates. Maximal degree in co-relation 185. Up to 17 conditions per place. [2022-11-21 16:38:30,951 INFO L137 encePairwiseOnDemand]: 81/83 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2022-11-21 16:38:30,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 75 transitions, 202 flow [2022-11-21 16:38:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:38:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:38:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2022-11-21 16:38:30,952 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8634538152610441 [2022-11-21 16:38:30,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 215 transitions. [2022-11-21 16:38:30,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 215 transitions. [2022-11-21 16:38:30,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:38:30,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 215 transitions. [2022-11-21 16:38:30,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2022-11-21 16:38:30,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 16:38:30,956 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 83.0) internal successors, (332), 4 states have internal predecessors, (332), 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) [2022-11-21 16:38:30,959 INFO L175 Difference]: Start difference. First operand has 86 places, 76 transitions, 186 flow. Second operand 3 states and 215 transitions. [2022-11-21 16:38:30,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 75 transitions, 202 flow [2022-11-21 16:38:30,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:38:30,962 INFO L231 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2022-11-21 16:38:30,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2022-11-21 16:38:30,964 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -5 predicate places. [2022-11-21 16:38:30,965 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2022-11-21 16:38:30,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) [2022-11-21 16:38:30,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-11-21 16:38:30,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-11-21 16:38:30,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-21 16:38:30,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-11-21 16:38:30,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-21 16:38:30,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-11-21 16:38:30,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:38:30,973 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-21 16:38:30,980 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:38:30,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:38:30,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:38:30 BasicIcfg [2022-11-21 16:38:30,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:38:30,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:38:30,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:38:30,987 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:38:30,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:38:28" (3/4) ... [2022-11-21 16:38:30,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:38:31,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-21 16:38:31,007 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-21 16:38:31,007 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:38:31,007 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:38:31,007 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:38:31,042 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:38:31,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:38:31,043 INFO L158 Benchmark]: Toolchain (without parser) took 3510.32ms. Allocated memory is still 182.5MB. Free memory was 141.7MB in the beginning and 69.1MB in the end (delta: 72.5MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2022-11-21 16:38:31,044 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:38:31,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.20ms. Allocated memory is still 182.5MB. Free memory was 141.0MB in the beginning and 122.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:38:31,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.39ms. Allocated memory is still 182.5MB. Free memory was 121.4MB in the beginning and 120.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:38:31,045 INFO L158 Benchmark]: Boogie Preprocessor took 27.20ms. Allocated memory is still 182.5MB. Free memory was 120.1MB in the beginning and 118.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:38:31,046 INFO L158 Benchmark]: RCFGBuilder took 623.37ms. Allocated memory is still 182.5MB. Free memory was 118.5MB in the beginning and 105.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:38:31,046 INFO L158 Benchmark]: TraceAbstraction took 1995.97ms. Allocated memory is still 182.5MB. Free memory was 104.7MB in the beginning and 72.3MB in the end (delta: 32.4MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-21 16:38:31,047 INFO L158 Benchmark]: Witness Printer took 55.64ms. Allocated memory is still 182.5MB. Free memory was 72.3MB in the beginning and 69.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:38:31,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 121.6MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.20ms. Allocated memory is still 182.5MB. Free memory was 141.0MB in the beginning and 122.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.39ms. Allocated memory is still 182.5MB. Free memory was 121.4MB in the beginning and 120.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.20ms. Allocated memory is still 182.5MB. Free memory was 120.1MB in the beginning and 118.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 623.37ms. Allocated memory is still 182.5MB. Free memory was 118.5MB in the beginning and 105.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1995.97ms. Allocated memory is still 182.5MB. Free memory was 104.7MB in the beginning and 72.3MB in the end (delta: 32.4MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Witness Printer took 55.64ms. Allocated memory is still 182.5MB. Free memory was 72.3MB in the beginning and 69.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 109 locations, 6 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: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 38 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 0.5s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:38:31,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1c6b35-ef7a-4f8b-bd02-e09bd02fcf3f/bin/uautomizer-vX5HgA9Q3a/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