./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_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_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/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_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/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_6aeb4b97-5502-4545-b38a-e59d681d3b10/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 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 --- 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 13:15:12,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:15:12,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:15:12,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:15:12,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:15:12,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:15:12,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:15:12,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:15:12,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:15:12,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:15:12,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:15:12,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:15:12,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:15:12,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:15:12,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:15:12,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:15:12,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:15:12,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:15:12,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:15:12,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:15:12,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:15:12,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:15:12,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:15:12,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:15:12,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:15:12,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:15:12,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:15:12,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:15:12,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:15:12,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:15:12,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:15:12,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:15:12,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:15:12,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:15:12,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:15:12,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:15:12,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:15:12,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:15:12,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:15:12,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:15:12,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:15:12,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:15:13,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:15:13,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:15:13,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:15:13,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:15:13,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:15:13,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:15:13,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:15:13,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:15:13,015 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:15:13,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:15:13,016 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:15:13,016 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:15:13,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:15:13,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:15:13,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:15:13,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:15:13,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:15:13,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:15:13,017 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:15:13,017 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:15:13,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:15:13,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:15:13,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:15:13,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:15:13,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:15:13,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:15:13,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:15:13,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:15:13,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:15:13,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:15:13,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:15:13,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:15:13,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:15:13,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:15:13,020 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:15:13,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:15:13,021 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:15:13,021 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_6aeb4b97-5502-4545-b38a-e59d681d3b10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 [2022-12-13 13:15:13,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:15:13,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:15:13,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:15:13,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:15:13,235 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:15:13,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2022-12-13 13:15:15,830 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:15:16,018 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:15:16,019 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2022-12-13 13:15:16,031 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/data/19a118f4e/c55eadaef45b448381c7b2d42df125bb/FLAG1e87b4d20 [2022-12-13 13:15:16,044 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/data/19a118f4e/c55eadaef45b448381c7b2d42df125bb [2022-12-13 13:15:16,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:15:16,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:15:16,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:15:16,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:15:16,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:15:16,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea2af24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16, skipping insertion in model container [2022-12-13 13:15:16,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:15:16,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:15:16,215 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_6aeb4b97-5502-4545-b38a-e59d681d3b10/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] [2022-12-13 13:15:16,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:15:16,344 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:15:16,353 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_6aeb4b97-5502-4545-b38a-e59d681d3b10/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i[1097,1110] [2022-12-13 13:15:16,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:15:16,405 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:15:16,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16 WrapperNode [2022-12-13 13:15:16,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:15:16,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:15:16,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:15:16,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:15:16,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,440 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-12-13 13:15:16,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:15:16,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:15:16,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:15:16,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:15:16,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:15:16,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:15:16,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:15:16,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:15:16,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (1/1) ... [2022-12-13 13:15:16,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:15:16,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:15:16,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:15:16,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:15:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:15:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:15:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 13:15:16,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:15:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:15:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 13:15:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 13:15:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:15:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:15:16,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:15:16,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:15:16,521 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 13:15:16,618 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:15:16,620 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:15:16,791 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:15:16,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:15:16,798 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:15:16,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:16 BoogieIcfgContainer [2022-12-13 13:15:16,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:15:16,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:15:16,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:15:16,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:15:16,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:15:16" (1/3) ... [2022-12-13 13:15:16,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c66105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:16, skipping insertion in model container [2022-12-13 13:15:16,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:15:16" (2/3) ... [2022-12-13 13:15:16,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c66105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:15:16, skipping insertion in model container [2022-12-13 13:15:16,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:16" (3/3) ... [2022-12-13 13:15:16,810 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2022-12-13 13:15:16,819 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:15:16,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:15:16,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-13 13:15:16,827 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:15:16,870 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 13:15:16,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 106 places, 104 transitions, 216 flow [2022-12-13 13:15:16,942 INFO L130 PetriNetUnfolder]: 2/103 cut-off events. [2022-12-13 13:15:16,943 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 13:15:16,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 2/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-12-13 13:15:16,946 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 104 transitions, 216 flow [2022-12-13 13:15:16,950 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 95 transitions, 193 flow [2022-12-13 13:15:16,952 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:15:16,960 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 95 transitions, 193 flow [2022-12-13 13:15:16,963 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 95 transitions, 193 flow [2022-12-13 13:15:16,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 95 transitions, 193 flow [2022-12-13 13:15:16,981 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-12-13 13:15:16,981 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:15:16,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-12-13 13:15:16,983 INFO L119 LiptonReduction]: Number of co-enabled transitions 1296 [2022-12-13 13:15:19,207 INFO L134 LiptonReduction]: Checked pairs total: 5833 [2022-12-13 13:15:19,207 INFO L136 LiptonReduction]: Total number of compositions: 84 [2022-12-13 13:15:19,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:15:19,227 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;@61252c70, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:15:19,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 13:15:19,228 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 13:15:19,228 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:15:19,228 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:15:19,228 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 13:15:19,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 13:15:19,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:15:19,232 INFO L85 PathProgramCache]: Analyzing trace with hash 355, now seen corresponding path program 1 times [2022-12-13 13:15:19,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:15:19,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249837293] [2022-12-13 13:15:19,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:15:19,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:15:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:15:19,318 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 13:15:19,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:15:19,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249837293] [2022-12-13 13:15:19,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249837293] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:15:19,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:15:19,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 13:15:19,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87001310] [2022-12-13 13:15:19,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:15:19,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:15:19,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:15:19,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:15:19,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:15:19,347 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 188 [2022-12-13 13:15:19,349 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 61 flow. Second operand has 2 states, 2 states have (on average 98.5) internal successors, (197), 2 states have internal predecessors, (197), 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 13:15:19,349 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:15:19,349 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 188 [2022-12-13 13:15:19,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:15:19,402 INFO L130 PetriNetUnfolder]: 64/186 cut-off events. [2022-12-13 13:15:19,402 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:15:19,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337 conditions, 186 events. 64/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 710 event pairs, 64 based on Foata normal form. 9/181 useless extension candidates. Maximal degree in co-relation 328. Up to 147 conditions per place. [2022-12-13 13:15:19,404 INFO L137 encePairwiseOnDemand]: 185/188 looper letters, 18 selfloop transitions, 0 changer transitions 0/26 dead transitions. [2022-12-13 13:15:19,404 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 26 transitions, 91 flow [2022-12-13 13:15:19,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:15:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 13:15:19,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 217 transitions. [2022-12-13 13:15:19,414 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5771276595744681 [2022-12-13 13:15:19,415 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 217 transitions. [2022-12-13 13:15:19,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 217 transitions. [2022-12-13 13:15:19,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:15:19,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 217 transitions. [2022-12-13 13:15:19,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 108.5) internal successors, (217), 2 states have internal predecessors, (217), 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 13:15:19,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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 13:15:19,423 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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 13:15:19,424 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 61 flow. Second operand 2 states and 217 transitions. [2022-12-13 13:15:19,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 26 transitions, 91 flow [2022-12-13 13:15:19,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 26 transitions, 90 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:15:19,427 INFO L231 Difference]: Finished difference. Result has 30 places, 26 transitions, 54 flow [2022-12-13 13:15:19,429 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=54, PETRI_PLACES=30, PETRI_TRANSITIONS=26} [2022-12-13 13:15:19,432 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -2 predicate places. [2022-12-13 13:15:19,432 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 26 transitions, 54 flow [2022-12-13 13:15:19,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.5) internal successors, (197), 2 states have internal predecessors, (197), 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 13:15:19,432 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:15:19,432 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:15:19,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:15:19,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 13:15:19,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:15:19,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1921428511, now seen corresponding path program 1 times [2022-12-13 13:15:19,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:15:19,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550024730] [2022-12-13 13:15:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:15:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:15:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:15:19,508 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 13:15:19,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:15:19,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550024730] [2022-12-13 13:15:19,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550024730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:15:19,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:15:19,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:15:19,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040671851] [2022-12-13 13:15:19,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:15:19,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:15:19,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:15:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:15:19,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:15:19,527 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 188 [2022-12-13 13:15:19,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 26 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 13:15:19,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:15:19,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 188 [2022-12-13 13:15:19,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:15:19,605 INFO L130 PetriNetUnfolder]: 122/323 cut-off events. [2022-12-13 13:15:19,605 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:15:19,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 323 events. 122/323 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1523 event pairs, 24 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 604. Up to 140 conditions per place. [2022-12-13 13:15:19,608 INFO L137 encePairwiseOnDemand]: 182/188 looper letters, 29 selfloop transitions, 5 changer transitions 2/41 dead transitions. [2022-12-13 13:15:19,608 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 156 flow [2022-12-13 13:15:19,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:15:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:15:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 307 transitions. [2022-12-13 13:15:19,611 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5443262411347518 [2022-12-13 13:15:19,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 307 transitions. [2022-12-13 13:15:19,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 307 transitions. [2022-12-13 13:15:19,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:15:19,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 307 transitions. [2022-12-13 13:15:19,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 13:15:19,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 13:15:19,615 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 13:15:19,616 INFO L175 Difference]: Start difference. First operand has 30 places, 26 transitions, 54 flow. Second operand 3 states and 307 transitions. [2022-12-13 13:15:19,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 156 flow [2022-12-13 13:15:19,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 41 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:15:19,617 INFO L231 Difference]: Finished difference. Result has 34 places, 29 transitions, 88 flow [2022-12-13 13:15:19,617 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=34, PETRI_TRANSITIONS=29} [2022-12-13 13:15:19,618 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, 2 predicate places. [2022-12-13 13:15:19,618 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 29 transitions, 88 flow [2022-12-13 13:15:19,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 13:15:19,619 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:15:19,619 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:15:19,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:15:19,619 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 13:15:19,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:15:19,620 INFO L85 PathProgramCache]: Analyzing trace with hash -601466666, now seen corresponding path program 1 times [2022-12-13 13:15:19,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:15:19,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429748255] [2022-12-13 13:15:19,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:15:19,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:15:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:15:19,679 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 13:15:19,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:15:19,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429748255] [2022-12-13 13:15:19,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429748255] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:15:19,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:15:19,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:15:19,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746386580] [2022-12-13 13:15:19,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:15:19,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:15:19,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:15:19,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:15:19,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:15:19,697 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 188 [2022-12-13 13:15:19,698 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 29 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 13:15:19,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:15:19,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 188 [2022-12-13 13:15:19,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:15:19,760 INFO L130 PetriNetUnfolder]: 128/327 cut-off events. [2022-12-13 13:15:19,761 INFO L131 PetriNetUnfolder]: For 68/72 co-relation queries the response was YES. [2022-12-13 13:15:19,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 327 events. 128/327 cut-off events. For 68/72 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1459 event pairs, 93 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 711. Up to 269 conditions per place. [2022-12-13 13:15:19,762 INFO L137 encePairwiseOnDemand]: 184/188 looper letters, 31 selfloop transitions, 3 changer transitions 0/39 dead transitions. [2022-12-13 13:15:19,762 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 39 transitions, 184 flow [2022-12-13 13:15:19,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:15:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:15:19,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2022-12-13 13:15:19,764 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5354609929078015 [2022-12-13 13:15:19,764 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 302 transitions. [2022-12-13 13:15:19,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 302 transitions. [2022-12-13 13:15:19,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:15:19,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 302 transitions. [2022-12-13 13:15:19,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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 13:15:19,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 13:15:19,767 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 13:15:19,767 INFO L175 Difference]: Start difference. First operand has 34 places, 29 transitions, 88 flow. Second operand 3 states and 302 transitions. [2022-12-13 13:15:19,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 39 transitions, 184 flow [2022-12-13 13:15:19,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 39 transitions, 170 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 13:15:19,769 INFO L231 Difference]: Finished difference. Result has 35 places, 31 transitions, 99 flow [2022-12-13 13:15:19,769 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=35, PETRI_TRANSITIONS=31} [2022-12-13 13:15:19,770 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, 3 predicate places. [2022-12-13 13:15:19,770 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 31 transitions, 99 flow [2022-12-13 13:15:19,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 13:15:19,770 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:15:19,770 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:15:19,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:15:19,771 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 13:15:19,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:15:19,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1555986575, now seen corresponding path program 1 times [2022-12-13 13:15:19,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:15:19,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689761699] [2022-12-13 13:15:19,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:15:19,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:15:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:15:19,890 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 13:15:19,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:15:19,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689761699] [2022-12-13 13:15:19,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689761699] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:15:19,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:15:19,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 13:15:19,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283038327] [2022-12-13 13:15:19,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:15:19,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:15:19,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:15:19,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:15:19,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:15:19,916 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 188 [2022-12-13 13:15:19,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 31 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 13:15:19,916 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:15:19,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 188 [2022-12-13 13:15:19,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:15:19,972 INFO L130 PetriNetUnfolder]: 47/170 cut-off events. [2022-12-13 13:15:19,972 INFO L131 PetriNetUnfolder]: For 42/43 co-relation queries the response was YES. [2022-12-13 13:15:19,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 170 events. 47/170 cut-off events. For 42/43 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 656 event pairs, 12 based on Foata normal form. 17/181 useless extension candidates. Maximal degree in co-relation 368. Up to 83 conditions per place. [2022-12-13 13:15:19,973 INFO L137 encePairwiseOnDemand]: 180/188 looper letters, 17 selfloop transitions, 6 changer transitions 12/41 dead transitions. [2022-12-13 13:15:19,973 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 186 flow [2022-12-13 13:15:19,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:15:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:15:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 305 transitions. [2022-12-13 13:15:19,974 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5407801418439716 [2022-12-13 13:15:19,974 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 305 transitions. [2022-12-13 13:15:19,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 305 transitions. [2022-12-13 13:15:19,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:15:19,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 305 transitions. [2022-12-13 13:15:19,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 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 13:15:19,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 13:15:19,976 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 13:15:19,976 INFO L175 Difference]: Start difference. First operand has 35 places, 31 transitions, 99 flow. Second operand 3 states and 305 transitions. [2022-12-13 13:15:19,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 186 flow [2022-12-13 13:15:19,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 41 transitions, 168 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-12-13 13:15:19,977 INFO L231 Difference]: Finished difference. Result has 33 places, 24 transitions, 84 flow [2022-12-13 13:15:19,977 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=33, PETRI_TRANSITIONS=24} [2022-12-13 13:15:19,978 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, 1 predicate places. [2022-12-13 13:15:19,978 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 84 flow [2022-12-13 13:15:19,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 13:15:19,978 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:15:19,978 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:15:19,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:15:19,979 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-12-13 13:15:19,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:15:19,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1522429358, now seen corresponding path program 1 times [2022-12-13 13:15:19,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:15:19,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187127366] [2022-12-13 13:15:19,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:15:19,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:15:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:15:20,003 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 13:15:20,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:15:20,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187127366] [2022-12-13 13:15:20,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187127366] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:15:20,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:15:20,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:15:20,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739528062] [2022-12-13 13:15:20,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:15:20,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:15:20,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:15:20,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:15:20,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:15:20,018 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 188 [2022-12-13 13:15:20,018 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 13:15:20,018 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:15:20,019 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 188 [2022-12-13 13:15:20,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:15:20,051 INFO L130 PetriNetUnfolder]: 33/113 cut-off events. [2022-12-13 13:15:20,051 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2022-12-13 13:15:20,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 113 events. 33/113 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 349 event pairs, 24 based on Foata normal form. 6/119 useless extension candidates. Maximal degree in co-relation 289. Up to 93 conditions per place. [2022-12-13 13:15:20,052 INFO L137 encePairwiseOnDemand]: 186/188 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2022-12-13 13:15:20,052 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 25 transitions, 133 flow [2022-12-13 13:15:20,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:15:20,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:15:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 290 transitions. [2022-12-13 13:15:20,053 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5141843971631206 [2022-12-13 13:15:20,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 290 transitions. [2022-12-13 13:15:20,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 290 transitions. [2022-12-13 13:15:20,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:15:20,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 290 transitions. [2022-12-13 13:15:20,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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 13:15:20,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 13:15:20,055 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 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 13:15:20,055 INFO L175 Difference]: Start difference. First operand has 33 places, 24 transitions, 84 flow. Second operand 3 states and 290 transitions. [2022-12-13 13:15:20,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 25 transitions, 133 flow [2022-12-13 13:15:20,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 25 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 13:15:20,056 INFO L231 Difference]: Finished difference. Result has 29 places, 0 transitions, 0 flow [2022-12-13 13:15:20,056 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=27, 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=29, PETRI_TRANSITIONS=0} [2022-12-13 13:15:20,056 INFO L288 CegarLoopForPetriNet]: 32 programPoint places, -3 predicate places. [2022-12-13 13:15:20,057 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 0 transitions, 0 flow [2022-12-13 13:15:20,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 13:15:20,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-12-13 13:15:20,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-12-13 13:15:20,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-12-13 13:15:20,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-12-13 13:15:20,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-12-13 13:15:20,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-12-13 13:15:20,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-12-13 13:15:20,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-12-13 13:15:20,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 13:15:20,060 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 13:15:20,064 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 13:15:20,064 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:15:20,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:15:20 BasicIcfg [2022-12-13 13:15:20,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:15:20,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:15:20,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:15:20,067 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:15:20,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:15:16" (3/4) ... [2022-12-13 13:15:20,070 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 13:15:20,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 13:15:20,077 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-13 13:15:20,077 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 13:15:20,077 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 13:15:20,077 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 13:15:20,102 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:15:20,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:15:20,103 INFO L158 Benchmark]: Toolchain (without parser) took 4056.12ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 82.6MB in the beginning and 78.2MB in the end (delta: 4.4MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-12-13 13:15:20,103 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 93.4MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:15:20,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.14ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 63.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 13:15:20,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.55ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:15:20,104 INFO L158 Benchmark]: Boogie Preprocessor took 22.30ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 59.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:15:20,104 INFO L158 Benchmark]: RCFGBuilder took 336.41ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 59.5MB in the beginning and 120.3MB in the end (delta: -60.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 13:15:20,104 INFO L158 Benchmark]: TraceAbstraction took 3263.50ms. Allocated memory is still 151.0MB. Free memory was 119.5MB in the beginning and 80.3MB in the end (delta: 39.2MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-12-13 13:15:20,104 INFO L158 Benchmark]: Witness Printer took 34.93ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:15:20,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 93.4MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.14ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 63.0MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.55ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.30ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 59.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.41ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 59.5MB in the beginning and 120.3MB in the end (delta: -60.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3263.50ms. Allocated memory is still 151.0MB. Free memory was 119.5MB in the beginning and 80.3MB in the end (delta: 39.2MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Witness Printer took 34.93ms. Allocated memory is still 151.0MB. Free memory was 80.3MB in the beginning and 78.2MB 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: 2.2s, 97 PlacesBefore, 32 PlacesAfterwards, 95 TransitionsBefore, 29 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 8 FixpointIterations, 48 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 84 TotalNumberOfCompositions, 5833 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2011, independent: 1642, independent conditional: 0, independent unconditional: 1642, dependent: 369, dependent conditional: 0, dependent unconditional: 369, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 667, independent: 630, independent conditional: 0, independent unconditional: 630, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2011, independent: 1012, independent conditional: 0, independent unconditional: 1012, dependent: 332, dependent conditional: 0, dependent unconditional: 332, unknown: 667, unknown conditional: 0, unknown unconditional: 667] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 65, Positive conditional cache size: 0, Positive unconditional cache size: 65, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: 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, 129 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: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 61 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 30 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 13:15:20,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4b97-5502-4545-b38a-e59d681d3b10/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