./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro --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 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --- 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-8393723 [2022-11-18 20:27:00,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:27:00,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:27:00,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:27:00,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:27:00,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:27:00,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:27:00,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:27:00,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:27:00,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:27:00,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:27:00,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:27:00,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:27:00,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:27:00,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:27:00,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:27:00,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:27:00,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:27:00,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:27:00,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:27:00,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:27:00,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:27:00,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:27:00,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:27:00,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:27:00,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:27:00,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:27:00,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:27:00,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:27:00,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:27:00,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:27:00,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:27:00,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:27:00,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:27:00,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:27:00,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:27:00,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:27:00,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:27:00,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:27:00,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:27:00,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:27:00,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:27:00,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:27:00,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:27:00,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:27:00,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:27:00,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:27:00,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:27:00,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:27:00,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:27:00,636 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:27:00,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:27:00,638 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:27:00,638 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:27:00,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:27:00,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:27:00,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:27:00,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:27:00,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:27:00,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:27:00,640 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:27:00,640 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:27:00,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:27:00,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:27:00,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:27:00,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:27:00,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:27:00,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:27:00,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:27:00,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:27:00,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:27:00,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:27:00,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:27:00,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:27:00,646 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:27:00,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:27:00,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:27:00,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 [2022-11-18 20:27:01,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:27:01,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:27:01,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:27:01,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:27:01,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:27:01,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2022-11-18 20:27:01,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/data/ce5627e9e/e5bbe71e9a4a4bbdab5f58d73c396d9c/FLAG034c26c23 [2022-11-18 20:27:01,859 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:27:01,860 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2022-11-18 20:27:01,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/data/ce5627e9e/e5bbe71e9a4a4bbdab5f58d73c396d9c/FLAG034c26c23 [2022-11-18 20:27:02,148 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/data/ce5627e9e/e5bbe71e9a4a4bbdab5f58d73c396d9c [2022-11-18 20:27:02,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:27:02,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:27:02,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:27:02,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:27:02,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:27:02,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e98a32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02, skipping insertion in model container [2022-11-18 20:27:02,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:27:02,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:27:02,494 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:27:02,693 WARN L234 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_62d70d87-b050-469a-a35b-331bf8c55692/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2022-11-18 20:27:02,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:27:02,727 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:27:02,760 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:27:02,784 WARN L234 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_62d70d87-b050-469a-a35b-331bf8c55692/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2022-11-18 20:27:02,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:27:02,833 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:27:02,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02 WrapperNode [2022-11-18 20:27:02,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:27:02,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:27:02,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:27:02,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:27:02,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,917 INFO L138 Inliner]: procedures = 174, calls = 51, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 183 [2022-11-18 20:27:02,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:27:02,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:27:02,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:27:02,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:27:02,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,949 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:27:02,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:27:02,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:27:02,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:27:02,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (1/1) ... [2022-11-18 20:27:02,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:27:02,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:03,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:03,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:27:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:27:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:27:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 20:27:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:27:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-11-18 20:27:03,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-11-18 20:27:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:27:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:27:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:27:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 20:27:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:27:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:27:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-11-18 20:27:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-11-18 20:27:03,075 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:27:03,230 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:27:03,232 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:27:03,721 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:27:03,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:27:03,882 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:27:03,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:03 BoogieIcfgContainer [2022-11-18 20:27:03,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:27:03,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:27:03,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:27:03,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:27:03,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:27:02" (1/3) ... [2022-11-18 20:27:03,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67018ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:27:03, skipping insertion in model container [2022-11-18 20:27:03,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:02" (2/3) ... [2022-11-18 20:27:03,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67018ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:27:03, skipping insertion in model container [2022-11-18 20:27:03,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:03" (3/3) ... [2022-11-18 20:27:03,898 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2022-11-18 20:27:03,910 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:27:03,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:27:03,924 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-18 20:27:03,925 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:27:04,044 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-18 20:27:04,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 175 places, 164 transitions, 360 flow [2022-11-18 20:27:04,254 INFO L130 PetriNetUnfolder]: 2/160 cut-off events. [2022-11-18 20:27:04,254 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 20:27:04,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 160 events. 2/160 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 219 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2022-11-18 20:27:04,263 INFO L82 GeneralOperation]: Start removeDead. Operand has 175 places, 164 transitions, 360 flow [2022-11-18 20:27:04,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 146 transitions, 313 flow [2022-11-18 20:27:04,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:27:04,294 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;@1f65e4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:27:04,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2022-11-18 20:27:04,312 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-11-18 20:27:04,312 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:27:04,313 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:27:04,313 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:04,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting writerErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-18 20:27:04,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:04,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1005254828, now seen corresponding path program 1 times [2022-11-18 20:27:04,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:04,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761104327] [2022-11-18 20:27:04,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:04,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:04,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:04,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761104327] [2022-11-18 20:27:04,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761104327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:04,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:04,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 20:27:04,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885170014] [2022-11-18 20:27:04,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:04,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:27:04,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:04,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:27:04,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:27:04,772 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 164 [2022-11-18 20:27:04,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 146 transitions, 313 flow. Second operand has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:04,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:27:04,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 164 [2022-11-18 20:27:04,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:27:06,501 INFO L130 PetriNetUnfolder]: 3363/6030 cut-off events. [2022-11-18 20:27:06,501 INFO L131 PetriNetUnfolder]: For 1125/1197 co-relation queries the response was YES. [2022-11-18 20:27:06,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11509 conditions, 6030 events. 3363/6030 cut-off events. For 1125/1197 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 44701 event pairs, 3363 based on Foata normal form. 345/6133 useless extension candidates. Maximal degree in co-relation 11132. Up to 4848 conditions per place. [2022-11-18 20:27:06,592 INFO L137 encePairwiseOnDemand]: 134/164 looper letters, 27 selfloop transitions, 0 changer transitions 0/116 dead transitions. [2022-11-18 20:27:06,592 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 116 transitions, 307 flow [2022-11-18 20:27:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:27:06,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-18 20:27:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 269 transitions. [2022-11-18 20:27:06,620 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8201219512195121 [2022-11-18 20:27:06,621 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 269 transitions. [2022-11-18 20:27:06,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 269 transitions. [2022-11-18 20:27:06,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:27:06,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 269 transitions. [2022-11-18 20:27:06,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 134.5) internal successors, (269), 2 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:06,647 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:06,648 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:06,650 INFO L175 Difference]: Start difference. First operand has 157 places, 146 transitions, 313 flow. Second operand 2 states and 269 transitions. [2022-11-18 20:27:06,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 116 transitions, 307 flow [2022-11-18 20:27:06,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 116 transitions, 294 flow, removed 0 selfloop flow, removed 7 redundant places. [2022-11-18 20:27:06,667 INFO L231 Difference]: Finished difference. Result has 123 places, 116 transitions, 240 flow [2022-11-18 20:27:06,670 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=240, PETRI_PLACES=123, PETRI_TRANSITIONS=116} [2022-11-18 20:27:06,676 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -34 predicate places. [2022-11-18 20:27:06,676 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 116 transitions, 240 flow [2022-11-18 20:27:06,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:06,678 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:27:06,679 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:06,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:27:06,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-18 20:27:06,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:06,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2103386322, now seen corresponding path program 1 times [2022-11-18 20:27:06,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:06,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258875607] [2022-11-18 20:27:06,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:07,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:07,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:07,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258875607] [2022-11-18 20:27:07,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258875607] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:07,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:07,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:27:07,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559587069] [2022-11-18 20:27:07,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:07,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:27:07,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:07,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:27:07,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:07,588 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 164 [2022-11-18 20:27:07,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 240 flow. Second operand has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:07,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:27:07,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 164 [2022-11-18 20:27:07,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:27:13,582 INFO L130 PetriNetUnfolder]: 27525/39015 cut-off events. [2022-11-18 20:27:13,583 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:27:13,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76243 conditions, 39015 events. 27525/39015 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1230. Compared 253854 event pairs, 5992 based on Foata normal form. 0/38411 useless extension candidates. Maximal degree in co-relation 76240. Up to 15669 conditions per place. [2022-11-18 20:27:13,912 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 129 selfloop transitions, 4 changer transitions 1/195 dead transitions. [2022-11-18 20:27:13,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 195 transitions, 666 flow [2022-11-18 20:27:13,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:27:13,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:27:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 591 transitions. [2022-11-18 20:27:13,918 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.600609756097561 [2022-11-18 20:27:13,918 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 591 transitions. [2022-11-18 20:27:13,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 591 transitions. [2022-11-18 20:27:13,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:27:13,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 591 transitions. [2022-11-18 20:27:13,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:13,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:13,932 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:13,932 INFO L175 Difference]: Start difference. First operand has 123 places, 116 transitions, 240 flow. Second operand 6 states and 591 transitions. [2022-11-18 20:27:13,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 195 transitions, 666 flow [2022-11-18 20:27:13,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 195 transitions, 666 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:27:13,944 INFO L231 Difference]: Finished difference. Result has 127 places, 114 transitions, 244 flow [2022-11-18 20:27:13,945 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=244, PETRI_PLACES=127, PETRI_TRANSITIONS=114} [2022-11-18 20:27:13,946 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -30 predicate places. [2022-11-18 20:27:13,948 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 114 transitions, 244 flow [2022-11-18 20:27:13,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 78.16666666666667) internal successors, (469), 6 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:13,949 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:27:13,949 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:13,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:27:13,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-18 20:27:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:13,952 INFO L85 PathProgramCache]: Analyzing trace with hash -5083614, now seen corresponding path program 1 times [2022-11-18 20:27:13,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:13,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228609501] [2022-11-18 20:27:13,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:13,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:14,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:14,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228609501] [2022-11-18 20:27:14,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228609501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:14,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:14,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:27:14,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456945123] [2022-11-18 20:27:14,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:14,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:27:14,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:14,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:27:14,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:14,772 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 164 [2022-11-18 20:27:14,773 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 114 transitions, 244 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:14,773 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:27:14,773 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 164 [2022-11-18 20:27:14,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:27:19,261 INFO L130 PetriNetUnfolder]: 24193/36233 cut-off events. [2022-11-18 20:27:19,262 INFO L131 PetriNetUnfolder]: For 3228/3228 co-relation queries the response was YES. [2022-11-18 20:27:19,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73197 conditions, 36233 events. 24193/36233 cut-off events. For 3228/3228 co-relation queries the response was YES. Maximal size of possible extension queue 1217. Compared 253879 event pairs, 20587 based on Foata normal form. 0/35354 useless extension candidates. Maximal degree in co-relation 73193. Up to 27414 conditions per place. [2022-11-18 20:27:19,487 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 116 selfloop transitions, 4 changer transitions 0/181 dead transitions. [2022-11-18 20:27:19,487 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 181 transitions, 618 flow [2022-11-18 20:27:19,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:27:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:27:19,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 577 transitions. [2022-11-18 20:27:19,491 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5863821138211383 [2022-11-18 20:27:19,491 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 577 transitions. [2022-11-18 20:27:19,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 577 transitions. [2022-11-18 20:27:19,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:27:19,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 577 transitions. [2022-11-18 20:27:19,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:19,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:19,498 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:19,498 INFO L175 Difference]: Start difference. First operand has 127 places, 114 transitions, 244 flow. Second operand 6 states and 577 transitions. [2022-11-18 20:27:19,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 181 transitions, 618 flow [2022-11-18 20:27:19,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 181 transitions, 611 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:27:19,517 INFO L231 Difference]: Finished difference. Result has 126 places, 113 transitions, 243 flow [2022-11-18 20:27:19,517 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=243, PETRI_PLACES=126, PETRI_TRANSITIONS=113} [2022-11-18 20:27:19,521 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -31 predicate places. [2022-11-18 20:27:19,521 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 113 transitions, 243 flow [2022-11-18 20:27:19,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:19,522 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:27:19,523 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:19,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:27:19,523 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-18 20:27:19,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:19,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1290752629, now seen corresponding path program 1 times [2022-11-18 20:27:19,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:19,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620350539] [2022-11-18 20:27:19,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:19,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:20,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:20,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:20,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620350539] [2022-11-18 20:27:20,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620350539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:20,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:20,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:27:20,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029318439] [2022-11-18 20:27:20,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:20,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:27:20,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:20,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:27:20,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:20,500 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 164 [2022-11-18 20:27:20,501 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 113 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 81.83333333333333) internal successors, (491), 6 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:20,502 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:27:20,502 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 164 [2022-11-18 20:27:20,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:27:24,932 INFO L130 PetriNetUnfolder]: 23602/35769 cut-off events. [2022-11-18 20:27:24,932 INFO L131 PetriNetUnfolder]: For 288/288 co-relation queries the response was YES. [2022-11-18 20:27:25,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69866 conditions, 35769 events. 23602/35769 cut-off events. For 288/288 co-relation queries the response was YES. Maximal size of possible extension queue 1212. Compared 253668 event pairs, 23300 based on Foata normal form. 0/34809 useless extension candidates. Maximal degree in co-relation 69862. Up to 31243 conditions per place. [2022-11-18 20:27:25,170 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 87 selfloop transitions, 4 changer transitions 0/152 dead transitions. [2022-11-18 20:27:25,171 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 152 transitions, 503 flow [2022-11-18 20:27:25,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:27:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:27:25,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 548 transitions. [2022-11-18 20:27:25,174 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.556910569105691 [2022-11-18 20:27:25,174 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 548 transitions. [2022-11-18 20:27:25,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 548 transitions. [2022-11-18 20:27:25,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:27:25,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 548 transitions. [2022-11-18 20:27:25,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:25,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:25,181 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:25,181 INFO L175 Difference]: Start difference. First operand has 126 places, 113 transitions, 243 flow. Second operand 6 states and 548 transitions. [2022-11-18 20:27:25,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 152 transitions, 503 flow [2022-11-18 20:27:25,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 152 transitions, 496 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:27:25,214 INFO L231 Difference]: Finished difference. Result has 126 places, 112 transitions, 242 flow [2022-11-18 20:27:25,214 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=242, PETRI_PLACES=126, PETRI_TRANSITIONS=112} [2022-11-18 20:27:25,216 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -31 predicate places. [2022-11-18 20:27:25,216 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 112 transitions, 242 flow [2022-11-18 20:27:25,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 81.83333333333333) internal successors, (491), 6 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:25,217 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:27:25,217 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:25,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:27:25,218 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2022-11-18 20:27:25,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:25,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1710214158, now seen corresponding path program 1 times [2022-11-18 20:27:25,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:25,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890047431] [2022-11-18 20:27:25,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:25,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:27:26,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:26,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890047431] [2022-11-18 20:27:26,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890047431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:26,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:26,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:27:26,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427950795] [2022-11-18 20:27:26,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:26,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:27:26,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:26,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:27:26,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:26,097 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 164 [2022-11-18 20:27:26,098 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 112 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:26,099 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:27:26,099 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 164 [2022-11-18 20:27:26,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:27:30,545 INFO L130 PetriNetUnfolder]: 23802/36323 cut-off events. [2022-11-18 20:27:30,546 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2022-11-18 20:27:30,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70044 conditions, 36323 events. 23802/36323 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 1194. Compared 259291 event pairs, 23774 based on Foata normal form. 8/35529 useless extension candidates. Maximal degree in co-relation 70040. Up to 31957 conditions per place. [2022-11-18 20:27:30,619 INFO L137 encePairwiseOnDemand]: 159/164 looper letters, 0 selfloop transitions, 0 changer transitions 139/139 dead transitions. [2022-11-18 20:27:30,620 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 139 transitions, 452 flow [2022-11-18 20:27:30,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:27:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:27:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 535 transitions. [2022-11-18 20:27:30,623 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5436991869918699 [2022-11-18 20:27:30,623 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 535 transitions. [2022-11-18 20:27:30,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 535 transitions. [2022-11-18 20:27:30,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:27:30,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 535 transitions. [2022-11-18 20:27:30,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.16666666666667) internal successors, (535), 6 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:30,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:30,629 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 164.0) internal successors, (1148), 7 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:30,629 INFO L175 Difference]: Start difference. First operand has 126 places, 112 transitions, 242 flow. Second operand 6 states and 535 transitions. [2022-11-18 20:27:30,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 139 transitions, 452 flow [2022-11-18 20:27:30,632 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 139 transitions, 445 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:27:30,633 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2022-11-18 20:27:30,634 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=164, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2022-11-18 20:27:30,635 INFO L288 CegarLoopForPetriNet]: 157 programPoint places, -31 predicate places. [2022-11-18 20:27:30,635 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2022-11-18 20:27:30,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 83.33333333333333) internal successors, (500), 6 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:27:30,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (49 of 50 remaining) [2022-11-18 20:27:30,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2022-11-18 20:27:30,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2022-11-18 20:27:30,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2022-11-18 20:27:30,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2022-11-18 20:27:30,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2022-11-18 20:27:30,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2022-11-18 20:27:30,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2022-11-18 20:27:30,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2022-11-18 20:27:30,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2022-11-18 20:27:30,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2022-11-18 20:27:30,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2022-11-18 20:27:30,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2022-11-18 20:27:30,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 50 remaining) [2022-11-18 20:27:30,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 50 remaining) [2022-11-18 20:27:30,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 50 remaining) [2022-11-18 20:27:30,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 50 remaining) [2022-11-18 20:27:30,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2022-11-18 20:27:30,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2022-11-18 20:27:30,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2022-11-18 20:27:30,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2022-11-18 20:27:30,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2022-11-18 20:27:30,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2022-11-18 20:27:30,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2022-11-18 20:27:30,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2022-11-18 20:27:30,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2022-11-18 20:27:30,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2022-11-18 20:27:30,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2022-11-18 20:27:30,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2022-11-18 20:27:30,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2022-11-18 20:27:30,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2022-11-18 20:27:30,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2022-11-18 20:27:30,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2022-11-18 20:27:30,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2022-11-18 20:27:30,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2022-11-18 20:27:30,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr4ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2022-11-18 20:27:30,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr5ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2022-11-18 20:27:30,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr6ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2022-11-18 20:27:30,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr7ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2022-11-18 20:27:30,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location readerErr8ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2022-11-18 20:27:30,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2022-11-18 20:27:30,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2022-11-18 20:27:30,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2022-11-18 20:27:30,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2022-11-18 20:27:30,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2022-11-18 20:27:30,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr0ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2022-11-18 20:27:30,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr1ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2022-11-18 20:27:30,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr2ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2022-11-18 20:27:30,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr3ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2022-11-18 20:27:30,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location writerErr4ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2022-11-18 20:27:30,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:27:30,654 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-18 20:27:30,661 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:27:30,661 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:27:30,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:27:30 BasicIcfg [2022-11-18 20:27:30,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:27:30,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:27:30,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:27:30,669 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:27:30,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:03" (3/4) ... [2022-11-18 20:27:30,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:27:30,679 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reader [2022-11-18 20:27:30,679 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writer [2022-11-18 20:27:30,685 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-18 20:27:30,685 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:27:30,685 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:27:30,686 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:27:30,733 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:27:30,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:27:30,735 INFO L158 Benchmark]: Toolchain (without parser) took 28568.07ms. Allocated memory was 98.6MB in the beginning and 10.2GB in the end (delta: 10.1GB). Free memory was 64.2MB in the beginning and 9.0GB in the end (delta: -9.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-18 20:27:30,740 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:27:30,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.75ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 65.4MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.28ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 62.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,744 INFO L158 Benchmark]: Boogie Preprocessor took 36.06ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,744 INFO L158 Benchmark]: RCFGBuilder took 930.35ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 60.8MB in the beginning and 101.9MB in the end (delta: -41.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,744 INFO L158 Benchmark]: TraceAbstraction took 26778.92ms. Allocated memory was 130.0MB in the beginning and 10.2GB in the end (delta: 10.1GB). Free memory was 101.1MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-18 20:27:30,746 INFO L158 Benchmark]: Witness Printer took 65.16ms. Allocated memory is still 10.2GB. Free memory was 9.0GB in the beginning and 9.0GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:27:30,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.75ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 65.4MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.28ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 62.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.06ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 930.35ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 60.8MB in the beginning and 101.9MB in the end (delta: -41.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * TraceAbstraction took 26778.92ms. Allocated memory was 130.0MB in the beginning and 10.2GB in the end (delta: 10.1GB). Free memory was 101.1MB in the beginning and 9.0GB in the end (delta: -8.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 65.16ms. Allocated memory is still 10.2GB. Free memory was 9.0GB in the beginning and 9.0GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 756]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: 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 7 procedures, 202 locations, 50 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: 26.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1030 IncrementalHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 50 mSDtfsCounter, 1030 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 322 NumberOfCodeBlocks, 322 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 641 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:27:30,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62d70d87-b050-469a-a35b-331bf8c55692/bin/uautomizer-TMbwUNV5ro/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