./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fb05d1d9f477ac46601c94c33a401c10a8ea916dae173fdeb0112a4de2b3b31 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:14:38,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:14:38,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:14:38,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:14:38,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:14:38,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:14:38,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:14:38,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:14:38,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:14:38,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:14:38,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:14:38,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:14:38,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:14:38,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:14:38,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:14:38,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:14:38,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:14:38,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:14:38,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:14:38,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:14:38,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:14:38,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:14:38,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:14:38,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:14:38,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:14:38,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:14:38,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:14:38,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:14:38,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:14:38,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:14:38,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:14:38,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:14:38,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:14:38,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:14:38,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:14:38,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:14:38,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:14:38,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:14:38,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:14:38,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:14:38,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:14:38,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 17:14:38,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:14:38,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:14:38,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:14:38,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:14:38,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:14:38,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:14:38,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:14:38,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:14:38,154 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:14:38,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:14:38,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:14:38,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:14:38,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:14:38,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:14:38,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:14:38,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:14:38,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:14:38,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:14:38,156 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 17:14:38,156 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:14:38,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:14:38,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:14:38,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:14:38,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:14:38,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:14:38,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:14:38,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:14:38,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:14:38,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:14:38,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:14:38,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:14:38,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:14:38,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:14:38,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:14:38,158 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:14:38,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:14:38,158 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:14:38,158 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb05d1d9f477ac46601c94c33a401c10a8ea916dae173fdeb0112a4de2b3b31 [2022-12-13 17:14:38,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:14:38,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:14:38,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:14:38,368 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:14:38,368 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:14:38,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i [2022-12-13 17:14:40,922 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:14:41,121 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:14:41,121 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i [2022-12-13 17:14:41,134 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/data/97b2795f3/3f61ef9538e8433aafb82c3baa4efcd1/FLAGcf40a7435 [2022-12-13 17:14:41,148 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/data/97b2795f3/3f61ef9538e8433aafb82c3baa4efcd1 [2022-12-13 17:14:41,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:14:41,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:14:41,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:14:41,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:14:41,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:14:41,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6508942d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41, skipping insertion in model container [2022-12-13 17:14:41,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:14:41,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:14:41,349 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_8f8b79ed-e7f4-4670-912f-59bb3419210e/sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i[1088,1101] [2022-12-13 17:14:41,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:14:41,495 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:14:41,506 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_8f8b79ed-e7f4-4670-912f-59bb3419210e/sv-benchmarks/c/goblint-regression/13-privatized_37-traces-ex-4_true.i[1088,1101] [2022-12-13 17:14:41,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:14:41,562 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:14:41,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41 WrapperNode [2022-12-13 17:14:41,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:14:41,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:14:41,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:14:41,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:14:41,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,600 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-12-13 17:14:41,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:14:41,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:14:41,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:14:41,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:14:41,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:14:41,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:14:41,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:14:41,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:14:41,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (1/1) ... [2022-12-13 17:14:41,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:14:41,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:14:41,651 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:14:41,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:14:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:14:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 17:14:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:14:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:14:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 17:14:41,689 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 17:14:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:14:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:14:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:14:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:14:41,692 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 17:14:41,798 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:14:41,800 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:14:41,924 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:14:41,932 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:14:41,932 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:14:41,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:14:41 BoogieIcfgContainer [2022-12-13 17:14:41,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:14:41,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:14:41,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:14:41,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:14:41,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:14:41" (1/3) ... [2022-12-13 17:14:41,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac8dbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:14:41, skipping insertion in model container [2022-12-13 17:14:41,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:14:41" (2/3) ... [2022-12-13 17:14:41,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac8dbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:14:41, skipping insertion in model container [2022-12-13 17:14:41,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:14:41" (3/3) ... [2022-12-13 17:14:41,944 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_37-traces-ex-4_true.i [2022-12-13 17:14:41,952 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 17:14:41,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:14:41,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 17:14:41,960 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 17:14:42,010 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 17:14:42,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 83 transitions, 171 flow [2022-12-13 17:14:42,087 INFO L130 PetriNetUnfolder]: 1/82 cut-off events. [2022-12-13 17:14:42,088 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:14:42,091 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. [2022-12-13 17:14:42,091 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 83 transitions, 171 flow [2022-12-13 17:14:42,094 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 82 transitions, 167 flow [2022-12-13 17:14:42,097 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:14:42,105 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 82 transitions, 167 flow [2022-12-13 17:14:42,107 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 82 transitions, 167 flow [2022-12-13 17:14:42,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 82 transitions, 167 flow [2022-12-13 17:14:42,138 INFO L130 PetriNetUnfolder]: 1/82 cut-off events. [2022-12-13 17:14:42,138 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:14:42,139 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. [2022-12-13 17:14:42,140 INFO L119 LiptonReduction]: Number of co-enabled transitions 1248 [2022-12-13 17:14:44,003 INFO L134 LiptonReduction]: Checked pairs total: 4328 [2022-12-13 17:14:44,003 INFO L136 LiptonReduction]: Total number of compositions: 62 [2022-12-13 17:14:44,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:14:44,017 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;@746e90c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:14:44,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 17:14:44,020 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-13 17:14:44,020 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:14:44,021 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:14:44,021 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 17:14:44,021 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)] === [2022-12-13 17:14:44,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:14:44,025 INFO L85 PathProgramCache]: Analyzing trace with hash -127707908, now seen corresponding path program 1 times [2022-12-13 17:14:44,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:14:44,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113384897] [2022-12-13 17:14:44,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:14:44,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:14:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:14:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:14:44,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:14:44,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113384897] [2022-12-13 17:14:44,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113384897] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:14:44,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:14:44,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:14:44,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805803789] [2022-12-13 17:14:44,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:14:44,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:14:44,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:14:44,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:14:44,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:14:44,235 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 145 [2022-12-13 17:14:44,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:14:44,238 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 145 [2022-12-13 17:14:44,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:14:44,323 INFO L130 PetriNetUnfolder]: 107/287 cut-off events. [2022-12-13 17:14:44,324 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:14:44,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 287 events. 107/287 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1295 event pairs, 23 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 530. Up to 139 conditions per place. [2022-12-13 17:14:44,327 INFO L137 encePairwiseOnDemand]: 139/145 looper letters, 28 selfloop transitions, 4 changer transitions 2/39 dead transitions. [2022-12-13 17:14:44,327 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 39 transitions, 149 flow [2022-12-13 17:14:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:14:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:14:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 261 transitions. [2022-12-13 17:14:44,337 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6 [2022-12-13 17:14:44,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 261 transitions. [2022-12-13 17:14:44,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 261 transitions. [2022-12-13 17:14:44,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:14:44,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 261 transitions. [2022-12-13 17:14:44,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,347 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,349 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 57 flow. Second operand 3 states and 261 transitions. [2022-12-13 17:14:44,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 39 transitions, 149 flow [2022-12-13 17:14:44,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 39 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 17:14:44,352 INFO L231 Difference]: Finished difference. Result has 32 places, 28 transitions, 82 flow [2022-12-13 17:14:44,354 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=32, PETRI_TRANSITIONS=28} [2022-12-13 17:14:44,356 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2022-12-13 17:14:44,356 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 28 transitions, 82 flow [2022-12-13 17:14:44,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,357 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:14:44,357 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:14:44,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:14:44,357 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)] === [2022-12-13 17:14:44,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:14:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash 308911866, now seen corresponding path program 1 times [2022-12-13 17:14:44,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:14:44,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403559791] [2022-12-13 17:14:44,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:14:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:14:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:14:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:14:44,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:14:44,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403559791] [2022-12-13 17:14:44,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403559791] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:14:44,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:14:44,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:14:44,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071652393] [2022-12-13 17:14:44,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:14:44,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:14:44,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:14:44,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:14:44,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:14:44,434 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 145 [2022-12-13 17:14:44,434 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 82 flow. Second operand has 3 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) [2022-12-13 17:14:44,434 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:14:44,434 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 145 [2022-12-13 17:14:44,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:14:44,495 INFO L130 PetriNetUnfolder]: 101/275 cut-off events. [2022-12-13 17:14:44,495 INFO L131 PetriNetUnfolder]: For 50/52 co-relation queries the response was YES. [2022-12-13 17:14:44,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 275 events. 101/275 cut-off events. For 50/52 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1198 event pairs, 74 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 575. Up to 214 conditions per place. [2022-12-13 17:14:44,498 INFO L137 encePairwiseOnDemand]: 141/145 looper letters, 25 selfloop transitions, 4 changer transitions 0/36 dead transitions. [2022-12-13 17:14:44,498 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 160 flow [2022-12-13 17:14:44,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:14:44,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:14:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2022-12-13 17:14:44,501 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5678160919540229 [2022-12-13 17:14:44,502 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 247 transitions. [2022-12-13 17:14:44,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 247 transitions. [2022-12-13 17:14:44,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:14:44,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 247 transitions. [2022-12-13 17:14:44,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,507 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,507 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 82 flow. Second operand 3 states and 247 transitions. [2022-12-13 17:14:44,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 160 flow [2022-12-13 17:14:44,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 36 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 17:14:44,510 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 98 flow [2022-12-13 17:14:44,510 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2022-12-13 17:14:44,511 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 3 predicate places. [2022-12-13 17:14:44,511 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 98 flow [2022-12-13 17:14:44,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2022-12-13 17:14:44,512 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:14:44,512 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:14:44,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:14:44,512 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)] === [2022-12-13 17:14:44,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:14:44,513 INFO L85 PathProgramCache]: Analyzing trace with hash 713694576, now seen corresponding path program 1 times [2022-12-13 17:14:44,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:14:44,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987188325] [2022-12-13 17:14:44,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:14:44,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:14:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:14:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:14:44,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:14:44,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987188325] [2022-12-13 17:14:44,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987188325] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:14:44,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:14:44,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:14:44,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730865506] [2022-12-13 17:14:44,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:14:44,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:14:44,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:14:44,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:14:44,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:14:44,651 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 145 [2022-12-13 17:14:44,652 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,652 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:14:44,652 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 145 [2022-12-13 17:14:44,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:14:44,706 INFO L130 PetriNetUnfolder]: 73/218 cut-off events. [2022-12-13 17:14:44,706 INFO L131 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-12-13 17:14:44,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 218 events. 73/218 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 937 event pairs, 24 based on Foata normal form. 8/223 useless extension candidates. Maximal degree in co-relation 466. Up to 125 conditions per place. [2022-12-13 17:14:44,708 INFO L137 encePairwiseOnDemand]: 138/145 looper letters, 22 selfloop transitions, 6 changer transitions 7/42 dead transitions. [2022-12-13 17:14:44,708 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 42 transitions, 195 flow [2022-12-13 17:14:44,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:14:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:14:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2022-12-13 17:14:44,710 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5793103448275863 [2022-12-13 17:14:44,710 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 252 transitions. [2022-12-13 17:14:44,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 252 transitions. [2022-12-13 17:14:44,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:14:44,710 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 252 transitions. [2022-12-13 17:14:44,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,713 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,713 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 98 flow. Second operand 3 states and 252 transitions. [2022-12-13 17:14:44,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 42 transitions, 195 flow [2022-12-13 17:14:44,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 42 transitions, 176 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-12-13 17:14:44,715 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 100 flow [2022-12-13 17:14:44,715 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2022-12-13 17:14:44,716 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 2 predicate places. [2022-12-13 17:14:44,716 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 100 flow [2022-12-13 17:14:44,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,716 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:14:44,717 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:14:44,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:14:44,717 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)] === [2022-12-13 17:14:44,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:14:44,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1755418489, now seen corresponding path program 1 times [2022-12-13 17:14:44,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:14:44,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682773533] [2022-12-13 17:14:44,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:14:44,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:14:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:14:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:14:44,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:14:44,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682773533] [2022-12-13 17:14:44,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682773533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:14:44,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:14:44,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:14:44,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201426140] [2022-12-13 17:14:44,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:14:44,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:14:44,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:14:44,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:14:44,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:14:44,764 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 145 [2022-12-13 17:14:44,764 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,764 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:14:44,764 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 145 [2022-12-13 17:14:44,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:14:44,810 INFO L130 PetriNetUnfolder]: 64/189 cut-off events. [2022-12-13 17:14:44,811 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-13 17:14:44,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 189 events. 64/189 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 765 event pairs, 43 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 462. Up to 149 conditions per place. [2022-12-13 17:14:44,812 INFO L137 encePairwiseOnDemand]: 141/145 looper letters, 19 selfloop transitions, 4 changer transitions 9/37 dead transitions. [2022-12-13 17:14:44,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 37 transitions, 186 flow [2022-12-13 17:14:44,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:14:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:14:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2022-12-13 17:14:44,814 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5678160919540229 [2022-12-13 17:14:44,814 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 247 transitions. [2022-12-13 17:14:44,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 247 transitions. [2022-12-13 17:14:44,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:14:44,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 247 transitions. [2022-12-13 17:14:44,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,819 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,819 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 100 flow. Second operand 3 states and 247 transitions. [2022-12-13 17:14:44,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 37 transitions, 186 flow [2022-12-13 17:14:44,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 37 transitions, 176 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 17:14:44,821 INFO L231 Difference]: Finished difference. Result has 34 places, 26 transitions, 96 flow [2022-12-13 17:14:44,822 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2022-12-13 17:14:44,823 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 4 predicate places. [2022-12-13 17:14:44,823 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 96 flow [2022-12-13 17:14:44,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,823 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:14:44,823 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:14:44,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:14:44,824 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-12-13 17:14:44,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:14:44,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1706546132, now seen corresponding path program 1 times [2022-12-13 17:14:44,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:14:44,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743730042] [2022-12-13 17:14:44,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:14:44,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:14:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:14:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:14:44,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:14:44,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743730042] [2022-12-13 17:14:44,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743730042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:14:44,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:14:44,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:14:44,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910954899] [2022-12-13 17:14:44,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:14:44,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:14:44,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:14:44,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:14:44,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:14:44,913 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 145 [2022-12-13 17:14:44,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 96 flow. Second operand has 3 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) [2022-12-13 17:14:44,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:14:44,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 145 [2022-12-13 17:14:44,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:14:44,955 INFO L130 PetriNetUnfolder]: 14/86 cut-off events. [2022-12-13 17:14:44,955 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-12-13 17:14:44,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 86 events. 14/86 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 264 event pairs, 1 based on Foata normal form. 6/92 useless extension candidates. Maximal degree in co-relation 212. Up to 40 conditions per place. [2022-12-13 17:14:44,956 INFO L137 encePairwiseOnDemand]: 137/145 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2022-12-13 17:14:44,956 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 31 transitions, 162 flow [2022-12-13 17:14:44,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:14:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:14:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 242 transitions. [2022-12-13 17:14:44,957 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5563218390804597 [2022-12-13 17:14:44,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 242 transitions. [2022-12-13 17:14:44,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 242 transitions. [2022-12-13 17:14:44,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:14:44,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 242 transitions. [2022-12-13 17:14:44,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,960 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:14:44,960 INFO L175 Difference]: Start difference. First operand has 34 places, 26 transitions, 96 flow. Second operand 3 states and 242 transitions. [2022-12-13 17:14:44,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 31 transitions, 162 flow [2022-12-13 17:14:44,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 31 transitions, 144 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-12-13 17:14:44,962 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2022-12-13 17:14:44,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2022-12-13 17:14:44,962 INFO L288 CegarLoopForPetriNet]: 30 programPoint places, 1 predicate places. [2022-12-13 17:14:44,963 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2022-12-13 17:14:44,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2022-12-13 17:14:44,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-12-13 17:14:44,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-12-13 17:14:44,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-12-13 17:14:44,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-12-13 17:14:44,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-12-13 17:14:44,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2022-12-13 17:14:44,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:14:44,967 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 17:14:44,972 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 17:14:44,972 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:14:44,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:14:44 BasicIcfg [2022-12-13 17:14:44,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:14:44,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:14:44,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:14:44,977 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:14:44,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:14:41" (3/4) ... [2022-12-13 17:14:44,980 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 17:14:44,985 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 17:14:44,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-13 17:14:44,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 17:14:44,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 17:14:44,989 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 17:14:45,021 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:14:45,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:14:45,022 INFO L158 Benchmark]: Toolchain (without parser) took 3870.84ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 106.9MB in the beginning and 65.2MB in the end (delta: 41.8MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2022-12-13 17:14:45,022 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:14:45,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.56ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 87.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 17:14:45,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.26ms. Allocated memory is still 153.1MB. Free memory was 87.4MB in the beginning and 85.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:14:45,023 INFO L158 Benchmark]: Boogie Preprocessor took 21.37ms. Allocated memory is still 153.1MB. Free memory was 85.4MB in the beginning and 83.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:14:45,024 INFO L158 Benchmark]: RCFGBuilder took 312.07ms. Allocated memory is still 153.1MB. Free memory was 83.9MB in the beginning and 70.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 17:14:45,024 INFO L158 Benchmark]: TraceAbstraction took 3038.57ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 70.3MB in the beginning and 67.3MB in the end (delta: 3.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 17:14:45,024 INFO L158 Benchmark]: Witness Printer took 45.27ms. Allocated memory is still 184.5MB. Free memory was 67.3MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:14:45,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.56ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 87.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.26ms. Allocated memory is still 153.1MB. Free memory was 87.4MB in the beginning and 85.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.37ms. Allocated memory is still 153.1MB. Free memory was 85.4MB in the beginning and 83.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.07ms. Allocated memory is still 153.1MB. Free memory was 83.9MB in the beginning and 70.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3038.57ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 70.3MB in the beginning and 67.3MB in the end (delta: 3.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 45.27ms. Allocated memory is still 184.5MB. Free memory was 67.3MB in the beginning and 65.2MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9s, 85 PlacesBefore, 30 PlacesAfterwards, 82 TransitionsBefore, 27 TransitionsAfterwards, 1248 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 4328 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1375, independent: 1111, independent conditional: 0, independent unconditional: 1111, dependent: 264, dependent conditional: 0, dependent unconditional: 264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 650, independent: 603, independent conditional: 0, independent unconditional: 603, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1375, independent: 508, independent conditional: 0, independent unconditional: 508, dependent: 217, dependent conditional: 0, dependent unconditional: 217, unknown: 650, unknown conditional: 0, unknown unconditional: 650] , Statistics on independence cache: Total cache size (in pairs): 69, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 283 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 4 mSDtfsCounter, 283 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=3, 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, 0.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2022-12-13 17:14:45,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f8b79ed-e7f4-4670-912f-59bb3419210e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE