./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.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_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/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_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/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_5e28b66c-c335-459d-9aae-30d21a1d8002/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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- 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 16:12:25,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:12:25,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:12:26,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:12:26,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:12:26,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:12:26,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:12:26,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:12:26,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:12:26,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:12:26,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:12:26,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:12:26,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:12:26,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:12:26,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:12:26,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:12:26,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:12:26,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:12:26,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:12:26,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:12:26,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:12:26,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:12:26,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:12:26,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:12:26,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:12:26,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:12:26,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:12:26,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:12:26,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:12:26,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:12:26,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:12:26,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:12:26,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:12:26,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:12:26,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:12:26,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:12:26,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:12:26,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:12:26,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:12:26,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:12:26,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:12:26,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:12:26,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:12:26,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:12:26,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:12:26,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:12:26,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:12:26,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:12:26,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:12:26,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:12:26,101 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:12:26,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:12:26,102 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:12:26,102 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:12:26,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:12:26,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:12:26,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:12:26,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:12:26,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:12:26,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:12:26,103 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:12:26,103 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:12:26,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:12:26,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:12:26,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:12:26,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:12:26,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:12:26,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:12:26,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:12:26,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:12:26,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:12:26,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:12:26,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:12:26,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:12:26,106 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:12:26,106 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:12:26,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:12:26,107 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_5e28b66c-c335-459d-9aae-30d21a1d8002/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2022-11-21 16:12:26,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:12:26,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:12:26,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:12:26,459 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:12:26,460 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:12:26,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-11-21 16:12:29,555 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:12:29,821 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:12:29,822 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-11-21 16:12:29,842 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/data/08a736bbe/325fe0a534fc40bcaa42845a0b23ff7f/FLAG9e9ae5944 [2022-11-21 16:12:29,856 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/data/08a736bbe/325fe0a534fc40bcaa42845a0b23ff7f [2022-11-21 16:12:29,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:12:29,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:12:29,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:12:29,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:12:29,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:12:29,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:12:29" (1/1) ... [2022-11-21 16:12:29,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125cb82a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:29, skipping insertion in model container [2022-11-21 16:12:29,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:12:29" (1/1) ... [2022-11-21 16:12:29,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:12:29,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:12:30,105 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_5e28b66c-c335-459d-9aae-30d21a1d8002/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2022-11-21 16:12:30,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:12:30,367 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:12:30,383 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_5e28b66c-c335-459d-9aae-30d21a1d8002/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2022-11-21 16:12:30,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:12:30,487 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:12:30,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30 WrapperNode [2022-11-21 16:12:30,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:12:30,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:12:30,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:12:30,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:12:30,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,630 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-21 16:12:30,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:12:30,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:12:30,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:12:30,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:12:30,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:12:30,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:12:30,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:12:30,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:12:30,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (1/1) ... [2022-11-21 16:12:30,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:12:30,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:12:30,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:12:30,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:12:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:12:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:12:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 16:12:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:12:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:12:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 16:12:30,749 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 16:12:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:12:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:12:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:12:30,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:12:30,751 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 16:12:30,939 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:12:30,941 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:12:31,112 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:12:31,125 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:12:31,125 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:12:31,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:12:31 BoogieIcfgContainer [2022-11-21 16:12:31,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:12:31,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:12:31,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:12:31,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:12:31,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:12:29" (1/3) ... [2022-11-21 16:12:31,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe4ace4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:12:31, skipping insertion in model container [2022-11-21 16:12:31,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:12:30" (2/3) ... [2022-11-21 16:12:31,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe4ace4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:12:31, skipping insertion in model container [2022-11-21 16:12:31,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:12:31" (3/3) ... [2022-11-21 16:12:31,140 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2022-11-21 16:12:31,149 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:12:31,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:12:31,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-21 16:12:31,161 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:12:31,234 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-21 16:12:31,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 82 transitions, 172 flow [2022-11-21 16:12:31,321 INFO L130 PetriNetUnfolder]: 2/81 cut-off events. [2022-11-21 16:12:31,321 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 16:12:31,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 81 events. 2/81 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 62 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-11-21 16:12:31,326 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 82 transitions, 172 flow [2022-11-21 16:12:31,331 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 75 places, 73 transitions, 149 flow [2022-11-21 16:12:31,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:12:31,350 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;@63ca406c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:12:31,350 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-21 16:12:31,368 INFO L130 PetriNetUnfolder]: 0/43 cut-off events. [2022-11-21 16:12:31,368 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:12:31,369 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:12:31,369 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] [2022-11-21 16:12:31,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:12:31,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:31,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1419715544, now seen corresponding path program 1 times [2022-11-21 16:12:31,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:31,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165511227] [2022-11-21 16:12:31,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:31,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:31,662 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 16:12:31,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:31,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165511227] [2022-11-21 16:12:31,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165511227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:31,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:31,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:12:31,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94679092] [2022-11-21 16:12:31,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:31,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:12:31,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:31,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:12:31,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:12:31,713 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 82 [2022-11-21 16:12:31,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 73 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 16:12:31,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:12:31,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 82 [2022-11-21 16:12:31,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:12:31,807 INFO L130 PetriNetUnfolder]: 1/70 cut-off events. [2022-11-21 16:12:31,807 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 16:12:31,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 54 event pairs, 0 based on Foata normal form. 1/66 useless extension candidates. Maximal degree in co-relation 53. Up to 8 conditions per place. [2022-11-21 16:12:31,810 INFO L137 encePairwiseOnDemand]: 78/82 looper letters, 7 selfloop transitions, 2 changer transitions 0/70 dead transitions. [2022-11-21 16:12:31,810 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 70 transitions, 161 flow [2022-11-21 16:12:31,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:12:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:12:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2022-11-21 16:12:31,825 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8861788617886179 [2022-11-21 16:12:31,826 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 218 transitions. [2022-11-21 16:12:31,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 218 transitions. [2022-11-21 16:12:31,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:12:31,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 218 transitions. [2022-11-21 16:12:31,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 16:12:31,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 16:12:31,838 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 16:12:31,840 INFO L175 Difference]: Start difference. First operand has 75 places, 73 transitions, 149 flow. Second operand 3 states and 218 transitions. [2022-11-21 16:12:31,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 70 transitions, 161 flow [2022-11-21 16:12:31,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 70 transitions, 160 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:12:31,848 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 146 flow [2022-11-21 16:12:31,850 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2022-11-21 16:12:31,854 INFO L288 CegarLoopForPetriNet]: 75 programPoint places, -1 predicate places. [2022-11-21 16:12:31,855 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 146 flow [2022-11-21 16:12:31,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 16:12:31,856 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:12:31,856 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] [2022-11-21 16:12:31,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:12:31,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:12:31,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:31,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1452014025, now seen corresponding path program 1 times [2022-11-21 16:12:31,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:31,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937827623] [2022-11-21 16:12:31,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:31,970 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 16:12:31,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:31,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937827623] [2022-11-21 16:12:31,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937827623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:31,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:31,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:12:31,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441353563] [2022-11-21 16:12:31,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:31,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:12:31,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:31,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:12:31,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:12:31,979 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 82 [2022-11-21 16:12:31,980 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 146 flow. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 16:12:31,983 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:12:31,983 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 82 [2022-11-21 16:12:31,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:12:32,051 INFO L130 PetriNetUnfolder]: 1/69 cut-off events. [2022-11-21 16:12:32,051 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 16:12:32,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 69 events. 1/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 57. Up to 9 conditions per place. [2022-11-21 16:12:32,052 INFO L137 encePairwiseOnDemand]: 79/82 looper letters, 8 selfloop transitions, 2 changer transitions 0/69 dead transitions. [2022-11-21 16:12:32,052 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 69 transitions, 164 flow [2022-11-21 16:12:32,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:12:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:12:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 212 transitions. [2022-11-21 16:12:32,058 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8617886178861789 [2022-11-21 16:12:32,058 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 212 transitions. [2022-11-21 16:12:32,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 212 transitions. [2022-11-21 16:12:32,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:12:32,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 212 transitions. [2022-11-21 16:12:32,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 16:12:32,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 16:12:32,066 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 16:12:32,071 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 146 flow. Second operand 3 states and 212 transitions. [2022-11-21 16:12:32,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 69 transitions, 164 flow [2022-11-21 16:12:32,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 69 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:12:32,075 INFO L231 Difference]: Finished difference. Result has 73 places, 69 transitions, 144 flow [2022-11-21 16:12:32,075 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=73, PETRI_TRANSITIONS=69} [2022-11-21 16:12:32,076 INFO L288 CegarLoopForPetriNet]: 75 programPoint places, -2 predicate places. [2022-11-21 16:12:32,076 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 69 transitions, 144 flow [2022-11-21 16:12:32,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 16:12:32,079 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:12:32,079 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] [2022-11-21 16:12:32,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:12:32,080 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:12:32,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:32,082 INFO L85 PathProgramCache]: Analyzing trace with hash 356934617, now seen corresponding path program 1 times [2022-11-21 16:12:32,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:32,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208080584] [2022-11-21 16:12:32,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:32,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:32,744 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 16:12:32,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:32,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208080584] [2022-11-21 16:12:32,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208080584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:32,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:32,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:12:32,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204344748] [2022-11-21 16:12:32,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:32,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:12:32,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:32,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:12:32,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:12:32,748 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 82 [2022-11-21 16:12:32,749 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 69 transitions, 144 flow. Second operand has 6 states, 6 states have (on average 67.66666666666667) internal successors, (406), 6 states have internal predecessors, (406), 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 16:12:32,749 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:12:32,749 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 82 [2022-11-21 16:12:32,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:12:32,822 INFO L130 PetriNetUnfolder]: 1/68 cut-off events. [2022-11-21 16:12:32,823 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:12:32,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 68 events. 1/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 51. Up to 6 conditions per place. [2022-11-21 16:12:32,826 INFO L137 encePairwiseOnDemand]: 77/82 looper letters, 6 selfloop transitions, 4 changer transitions 6/68 dead transitions. [2022-11-21 16:12:32,826 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 68 transitions, 162 flow [2022-11-21 16:12:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:12:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:12:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 407 transitions. [2022-11-21 16:12:32,833 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8272357723577236 [2022-11-21 16:12:32,833 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 407 transitions. [2022-11-21 16:12:32,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 407 transitions. [2022-11-21 16:12:32,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:12:32,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 407 transitions. [2022-11-21 16:12:32,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 67.83333333333333) internal successors, (407), 6 states have internal predecessors, (407), 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 16:12:32,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 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 16:12:32,842 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 82.0) internal successors, (574), 7 states have internal predecessors, (574), 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 16:12:32,842 INFO L175 Difference]: Start difference. First operand has 73 places, 69 transitions, 144 flow. Second operand 6 states and 407 transitions. [2022-11-21 16:12:32,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 68 transitions, 162 flow [2022-11-21 16:12:32,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 68 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:12:32,847 INFO L231 Difference]: Finished difference. Result has 75 places, 62 transitions, 134 flow [2022-11-21 16:12:32,847 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=134, PETRI_PLACES=75, PETRI_TRANSITIONS=62} [2022-11-21 16:12:32,852 INFO L288 CegarLoopForPetriNet]: 75 programPoint places, 0 predicate places. [2022-11-21 16:12:32,852 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 62 transitions, 134 flow [2022-11-21 16:12:32,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.66666666666667) internal successors, (406), 6 states have internal predecessors, (406), 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 16:12:32,853 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:12:32,854 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] [2022-11-21 16:12:32,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:12:32,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-21 16:12:32,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:12:32,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1678418393, now seen corresponding path program 1 times [2022-11-21 16:12:32,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:12:32,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219904827] [2022-11-21 16:12:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:12:32,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:12:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:12:32,923 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 16:12:32,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:12:32,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219904827] [2022-11-21 16:12:32,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219904827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:12:32,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:12:32,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:12:32,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343926680] [2022-11-21 16:12:32,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:12:32,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:12:32,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:12:32,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:12:32,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:12:32,927 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 82 [2022-11-21 16:12:32,928 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 62 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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 16:12:32,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:12:32,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 82 [2022-11-21 16:12:32,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:12:32,959 INFO L130 PetriNetUnfolder]: 1/61 cut-off events. [2022-11-21 16:12:32,960 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:12:32,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 1/61 useless extension candidates. Maximal degree in co-relation 65. Up to 7 conditions per place. [2022-11-21 16:12:32,961 INFO L137 encePairwiseOnDemand]: 80/82 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2022-11-21 16:12:32,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 61 transitions, 146 flow [2022-11-21 16:12:32,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:12:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:12:32,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2022-11-21 16:12:32,964 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8495934959349594 [2022-11-21 16:12:32,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 209 transitions. [2022-11-21 16:12:32,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 209 transitions. [2022-11-21 16:12:32,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:12:32,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 209 transitions. [2022-11-21 16:12:32,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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 16:12:32,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 16:12:32,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 16:12:32,972 INFO L175 Difference]: Start difference. First operand has 75 places, 62 transitions, 134 flow. Second operand 3 states and 209 transitions. [2022-11-21 16:12:32,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 61 transitions, 146 flow [2022-11-21 16:12:32,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 61 transitions, 139 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:12:32,975 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2022-11-21 16:12:32,976 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2022-11-21 16:12:32,977 INFO L288 CegarLoopForPetriNet]: 75 programPoint places, -9 predicate places. [2022-11-21 16:12:32,979 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2022-11-21 16:12:32,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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 16:12:32,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-21 16:12:32,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-11-21 16:12:32,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-21 16:12:32,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2022-11-21 16:12:32,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-21 16:12:32,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-21 16:12:32,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-21 16:12:32,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-21 16:12:32,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:12:32,991 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-21 16:12:32,997 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:12:33,001 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:12:33,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:12:33 BasicIcfg [2022-11-21 16:12:33,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:12:33,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:12:33,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:12:33,016 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:12:33,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:12:31" (3/4) ... [2022-11-21 16:12:33,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:12:33,027 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-21 16:12:33,032 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-21 16:12:33,033 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:12:33,033 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:12:33,033 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:12:33,089 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:12:33,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:12:33,090 INFO L158 Benchmark]: Toolchain (without parser) took 3230.44ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 72.7MB in the beginning and 92.2MB in the end (delta: -19.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-21 16:12:33,090 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:12:33,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.84ms. Allocated memory is still 138.4MB. Free memory was 72.4MB in the beginning and 53.3MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:12:33,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.36ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 53.3MB in the beginning and 163.5MB in the end (delta: -110.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-21 16:12:33,092 INFO L158 Benchmark]: Boogie Preprocessor took 31.27ms. Allocated memory is still 195.0MB. Free memory was 163.5MB in the beginning and 162.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:12:33,092 INFO L158 Benchmark]: RCFGBuilder took 464.27ms. Allocated memory is still 195.0MB. Free memory was 162.2MB in the beginning and 148.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:12:33,092 INFO L158 Benchmark]: TraceAbstraction took 1882.29ms. Allocated memory is still 195.0MB. Free memory was 147.6MB in the beginning and 94.3MB in the end (delta: 53.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2022-11-21 16:12:33,093 INFO L158 Benchmark]: Witness Printer took 73.34ms. Allocated memory is still 195.0MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:12:33,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.84ms. Allocated memory is still 138.4MB. Free memory was 72.4MB in the beginning and 53.3MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.36ms. Allocated memory was 138.4MB in the beginning and 195.0MB in the end (delta: 56.6MB). Free memory was 53.3MB in the beginning and 163.5MB in the end (delta: -110.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.27ms. Allocated memory is still 195.0MB. Free memory was 163.5MB in the beginning and 162.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.27ms. Allocated memory is still 195.0MB. Free memory was 162.2MB in the beginning and 148.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1882.29ms. Allocated memory is still 195.0MB. Free memory was 147.6MB in the beginning and 94.3MB in the end (delta: 53.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Witness Printer took 73.34ms. Allocated memory is still 195.0MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 701]: 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 - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 117 locations, 8 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: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 26 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=149occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0.9s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:12:33,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e28b66c-c335-459d-9aae-30d21a1d8002/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE