./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:37:16,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:37:16,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:37:16,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:37:16,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:37:16,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:37:16,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:37:16,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:37:16,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:37:16,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:37:16,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:37:16,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:37:16,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:37:16,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:37:16,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:37:16,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:37:16,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:37:16,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:37:16,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:37:16,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:37:16,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:37:16,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:37:16,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:37:16,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:37:16,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:37:16,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:37:16,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:37:16,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:37:16,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:37:16,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:37:16,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:37:16,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:37:16,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:37:16,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:37:16,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:37:16,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:37:16,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:37:16,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:37:16,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:37:16,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:37:16,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:37:16,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:37:16,923 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:37:16,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:37:16,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:37:16,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:37:16,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:37:16,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:37:16,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:37:16,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:37:16,926 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:37:16,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:37:16,926 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:37:16,927 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:37:16,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:37:16,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:37:16,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:37:16,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:37:16,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:37:16,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:37:16,928 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:37:16,928 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:37:16,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:37:16,929 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:37:16,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:37:16,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:37:16,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:37:16,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:37:16,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:16,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:37:16,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:37:16,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:37:16,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:37:16,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:37:16,931 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:37:16,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:37:16,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:37:16,932 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_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fddded73cca9ade55587111b2e2c843e75dd81397929514bda88fadfc663c7db [2022-11-21 16:37:17,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:37:17,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:37:17,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:37:17,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:37:17,208 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:37:17,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-21 16:37:20,315 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:37:20,764 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:37:20,768 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/sv-benchmarks/c/ldv-races/race-2_1-container_of.i [2022-11-21 16:37:20,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/data/6d716b3bf/ca48b3874bb74d35b7ace9167a061749/FLAG2c4cb294d [2022-11-21 16:37:20,804 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/data/6d716b3bf/ca48b3874bb74d35b7ace9167a061749 [2022-11-21 16:37:20,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:37:20,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:37:20,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:20,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:37:20,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:37:20,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:20" (1/1) ... [2022-11-21 16:37:20,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a60e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:20, skipping insertion in model container [2022-11-21 16:37:20,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:37:20" (1/1) ... [2022-11-21 16:37:20,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:37:20,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:37:21,660 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_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-21 16:37:21,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:21,723 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:37:21,777 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_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/sv-benchmarks/c/ldv-races/race-2_1-container_of.i[76077,76090] [2022-11-21 16:37:21,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:37:21,924 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:37:21,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21 WrapperNode [2022-11-21 16:37:21,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:37:21,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:21,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:37:21,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:37:21,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:21,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,044 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 201 [2022-11-21 16:37:22,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:37:22,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:37:22,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:37:22,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:37:22,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,097 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:37:22,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:37:22,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:37:22,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:37:22,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (1/1) ... [2022-11-21 16:37:22,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:37:22,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:37:22,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:37:22,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf96848f-6174-4a8c-9a0a-51b7aa12e0c4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:37:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:37:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:37:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 16:37:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:37:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:37:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:37:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:37:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-21 16:37:22,205 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-21 16:37:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:37:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:37:22,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:37:22,207 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:37:22,605 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:37:22,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:37:23,105 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:23,115 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:23,116 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:37:23,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:23 BoogieIcfgContainer [2022-11-21 16:37:23,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:23,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:23,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:23,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:23,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:37:20" (1/3) ... [2022-11-21 16:37:23,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dad80b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:23, skipping insertion in model container [2022-11-21 16:37:23,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:37:21" (2/3) ... [2022-11-21 16:37:23,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dad80b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:23, skipping insertion in model container [2022-11-21 16:37:23,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:23" (3/3) ... [2022-11-21 16:37:23,127 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2022-11-21 16:37:23,136 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:37:23,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:23,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2022-11-21 16:37:23,144 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:37:23,233 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-21 16:37:23,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 313 transitions, 642 flow [2022-11-21 16:37:23,490 INFO L130 PetriNetUnfolder]: 10/390 cut-off events. [2022-11-21 16:37:23,491 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 16:37:23,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 390 events. 10/390 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 823 event pairs, 0 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 221. Up to 4 conditions per place. [2022-11-21 16:37:23,500 INFO L82 GeneralOperation]: Start removeDead. Operand has 311 places, 313 transitions, 642 flow [2022-11-21 16:37:23,512 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 309 places, 310 transitions, 632 flow [2022-11-21 16:37:23,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:23,543 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;@7aa6efa5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:23,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2022-11-21 16:37:23,555 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-21 16:37:23,556 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:37:23,556 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:23,557 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] [2022-11-21 16:37:23,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-21 16:37:23,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash 548001862, now seen corresponding path program 1 times [2022-11-21 16:37:23,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:23,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096101078] [2022-11-21 16:37:23,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:23,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:24,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:24,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096101078] [2022-11-21 16:37:24,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096101078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:24,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:24,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:24,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569418499] [2022-11-21 16:37:24,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:24,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:24,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:24,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:24,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:24,711 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 313 [2022-11-21 16:37:24,717 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 310 transitions, 632 flow. Second operand has 6 states, 6 states have (on average 180.83333333333334) internal successors, (1085), 6 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:24,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:24,718 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 313 [2022-11-21 16:37:24,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:34,923 INFO L130 PetriNetUnfolder]: 20989/45393 cut-off events. [2022-11-21 16:37:34,924 INFO L131 PetriNetUnfolder]: For 80/85 co-relation queries the response was YES. [2022-11-21 16:37:35,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77864 conditions, 45393 events. 20989/45393 cut-off events. For 80/85 co-relation queries the response was YES. Maximal size of possible extension queue 1035. Compared 456555 event pairs, 20988 based on Foata normal form. 624/39633 useless extension candidates. Maximal degree in co-relation 76972. Up to 32403 conditions per place. [2022-11-21 16:37:35,222 INFO L137 encePairwiseOnDemand]: 301/313 looper letters, 116 selfloop transitions, 5 changer transitions 4/297 dead transitions. [2022-11-21 16:37:35,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 297 transitions, 848 flow [2022-11-21 16:37:35,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:35,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:37:35,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1202 transitions. [2022-11-21 16:37:35,245 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6400425985090522 [2022-11-21 16:37:35,246 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1202 transitions. [2022-11-21 16:37:35,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1202 transitions. [2022-11-21 16:37:35,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:35,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1202 transitions. [2022-11-21 16:37:35,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:35,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:35,278 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:35,280 INFO L175 Difference]: Start difference. First operand has 309 places, 310 transitions, 632 flow. Second operand 6 states and 1202 transitions. [2022-11-21 16:37:35,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 297 transitions, 848 flow [2022-11-21 16:37:35,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 297 transitions, 840 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:37:35,308 INFO L231 Difference]: Finished difference. Result has 303 places, 293 transitions, 600 flow [2022-11-21 16:37:35,311 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=600, PETRI_PLACES=303, PETRI_TRANSITIONS=293} [2022-11-21 16:37:35,317 INFO L288 CegarLoopForPetriNet]: 309 programPoint places, -6 predicate places. [2022-11-21 16:37:35,317 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 293 transitions, 600 flow [2022-11-21 16:37:35,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 180.83333333333334) internal successors, (1085), 6 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:35,318 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:35,319 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] [2022-11-21 16:37:35,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:37:35,319 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-21 16:37:35,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:35,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1921841547, now seen corresponding path program 1 times [2022-11-21 16:37:35,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:35,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402188454] [2022-11-21 16:37:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:35,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:35,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:35,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402188454] [2022-11-21 16:37:35,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402188454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:35,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:35,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:35,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758996735] [2022-11-21 16:37:35,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:35,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:35,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:35,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:35,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:35,863 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 313 [2022-11-21 16:37:35,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 293 transitions, 600 flow. Second operand has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:35,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:35,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 313 [2022-11-21 16:37:35,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:42,380 INFO L130 PetriNetUnfolder]: 20989/45388 cut-off events. [2022-11-21 16:37:42,380 INFO L131 PetriNetUnfolder]: For 21/26 co-relation queries the response was YES. [2022-11-21 16:37:42,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77822 conditions, 45388 events. 20989/45388 cut-off events. For 21/26 co-relation queries the response was YES. Maximal size of possible extension queue 1035. Compared 456519 event pairs, 20988 based on Foata normal form. 0/39009 useless extension candidates. Maximal degree in co-relation 77760. Up to 32402 conditions per place. [2022-11-21 16:37:42,586 INFO L137 encePairwiseOnDemand]: 307/313 looper letters, 115 selfloop transitions, 5 changer transitions 0/292 dead transitions. [2022-11-21 16:37:42,586 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 292 transitions, 838 flow [2022-11-21 16:37:42,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:37:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1195 transitions. [2022-11-21 16:37:42,591 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6363152289669861 [2022-11-21 16:37:42,591 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1195 transitions. [2022-11-21 16:37:42,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1195 transitions. [2022-11-21 16:37:42,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:42,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1195 transitions. [2022-11-21 16:37:42,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.16666666666666) internal successors, (1195), 6 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:42,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:42,601 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:42,602 INFO L175 Difference]: Start difference. First operand has 303 places, 293 transitions, 600 flow. Second operand 6 states and 1195 transitions. [2022-11-21 16:37:42,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 292 transitions, 838 flow [2022-11-21 16:37:42,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 292 transitions, 828 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:37:42,612 INFO L231 Difference]: Finished difference. Result has 298 places, 292 transitions, 598 flow [2022-11-21 16:37:42,613 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=598, PETRI_PLACES=298, PETRI_TRANSITIONS=292} [2022-11-21 16:37:42,614 INFO L288 CegarLoopForPetriNet]: 309 programPoint places, -11 predicate places. [2022-11-21 16:37:42,614 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 292 transitions, 598 flow [2022-11-21 16:37:42,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:42,615 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:42,616 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] [2022-11-21 16:37:42,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:37:42,616 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-21 16:37:42,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:42,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1279867959, now seen corresponding path program 1 times [2022-11-21 16:37:42,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:42,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046489630] [2022-11-21 16:37:42,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:42,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:43,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:43,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046489630] [2022-11-21 16:37:43,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046489630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:43,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:43,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:43,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123907439] [2022-11-21 16:37:43,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:43,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:43,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:43,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:43,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:43,261 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 313 [2022-11-21 16:37:43,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 292 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:43,264 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:43,264 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 313 [2022-11-21 16:37:43,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:49,425 INFO L130 PetriNetUnfolder]: 20989/45375 cut-off events. [2022-11-21 16:37:49,425 INFO L131 PetriNetUnfolder]: For 21/26 co-relation queries the response was YES. [2022-11-21 16:37:49,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77807 conditions, 45375 events. 20989/45375 cut-off events. For 21/26 co-relation queries the response was YES. Maximal size of possible extension queue 1035. Compared 456949 event pairs, 18324 based on Foata normal form. 0/39039 useless extension candidates. Maximal degree in co-relation 77731. Up to 32379 conditions per place. [2022-11-21 16:37:49,858 INFO L137 encePairwiseOnDemand]: 305/313 looper letters, 120 selfloop transitions, 7 changer transitions 0/301 dead transitions. [2022-11-21 16:37:49,859 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 301 transitions, 871 flow [2022-11-21 16:37:49,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:37:49,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1214 transitions. [2022-11-21 16:37:49,862 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6464323748668797 [2022-11-21 16:37:49,863 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1214 transitions. [2022-11-21 16:37:49,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1214 transitions. [2022-11-21 16:37:49,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:49,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1214 transitions. [2022-11-21 16:37:49,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 202.33333333333334) internal successors, (1214), 6 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:49,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:49,874 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:49,875 INFO L175 Difference]: Start difference. First operand has 298 places, 292 transitions, 598 flow. Second operand 6 states and 1214 transitions. [2022-11-21 16:37:49,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 301 transitions, 871 flow [2022-11-21 16:37:49,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 301 transitions, 861 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:37:49,882 INFO L231 Difference]: Finished difference. Result has 298 places, 294 transitions, 616 flow [2022-11-21 16:37:49,883 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=616, PETRI_PLACES=298, PETRI_TRANSITIONS=294} [2022-11-21 16:37:49,884 INFO L288 CegarLoopForPetriNet]: 309 programPoint places, -11 predicate places. [2022-11-21 16:37:49,884 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 294 transitions, 616 flow [2022-11-21 16:37:49,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.66666666666666) internal successors, (1108), 6 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:49,885 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:49,886 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] [2022-11-21 16:37:49,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:37:49,886 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-21 16:37:49,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:49,887 INFO L85 PathProgramCache]: Analyzing trace with hash -302044369, now seen corresponding path program 1 times [2022-11-21 16:37:49,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:49,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989673400] [2022-11-21 16:37:49,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:49,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:50,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:50,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:50,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989673400] [2022-11-21 16:37:50,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989673400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:50,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:50,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:50,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327319759] [2022-11-21 16:37:50,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:50,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:50,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:50,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:50,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:50,376 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 313 [2022-11-21 16:37:50,377 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 294 transitions, 616 flow. Second operand has 6 states, 6 states have (on average 185.66666666666666) internal successors, (1114), 6 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:50,378 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:50,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 313 [2022-11-21 16:37:50,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:37:56,520 INFO L130 PetriNetUnfolder]: 20989/45390 cut-off events. [2022-11-21 16:37:56,523 INFO L131 PetriNetUnfolder]: For 1536/1555 co-relation queries the response was YES. [2022-11-21 16:37:56,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79387 conditions, 45390 events. 20989/45390 cut-off events. For 1536/1555 co-relation queries the response was YES. Maximal size of possible extension queue 1035. Compared 457108 event pairs, 18324 based on Foata normal form. 2/39056 useless extension candidates. Maximal degree in co-relation 61432. Up to 32385 conditions per place. [2022-11-21 16:37:56,736 INFO L137 encePairwiseOnDemand]: 305/313 looper letters, 119 selfloop transitions, 7 changer transitions 0/300 dead transitions. [2022-11-21 16:37:56,736 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 300 transitions, 881 flow [2022-11-21 16:37:56,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:37:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:37:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1213 transitions. [2022-11-21 16:37:56,740 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6458998935037273 [2022-11-21 16:37:56,740 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1213 transitions. [2022-11-21 16:37:56,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1213 transitions. [2022-11-21 16:37:56,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:37:56,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1213 transitions. [2022-11-21 16:37:56,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 202.16666666666666) internal successors, (1213), 6 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:56,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:56,756 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 313.0) internal successors, (2191), 7 states have internal predecessors, (2191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:56,756 INFO L175 Difference]: Start difference. First operand has 298 places, 294 transitions, 616 flow. Second operand 6 states and 1213 transitions. [2022-11-21 16:37:56,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 300 transitions, 881 flow [2022-11-21 16:37:56,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 300 transitions, 871 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:37:56,763 INFO L231 Difference]: Finished difference. Result has 298 places, 293 transitions, 618 flow [2022-11-21 16:37:56,763 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=618, PETRI_PLACES=298, PETRI_TRANSITIONS=293} [2022-11-21 16:37:56,765 INFO L288 CegarLoopForPetriNet]: 309 programPoint places, -11 predicate places. [2022-11-21 16:37:56,767 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 293 transitions, 618 flow [2022-11-21 16:37:56,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.66666666666666) internal successors, (1114), 6 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:56,768 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:37:56,768 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] [2022-11-21 16:37:56,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:37:56,769 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-11-21 16:37:56,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:56,769 INFO L85 PathProgramCache]: Analyzing trace with hash 960215111, now seen corresponding path program 1 times [2022-11-21 16:37:56,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:37:56,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436468450] [2022-11-21 16:37:56,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:56,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:37:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:37:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:37:57,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:37:57,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436468450] [2022-11-21 16:37:57,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436468450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:37:57,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:37:57,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:37:57,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076622455] [2022-11-21 16:37:57,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:37:57,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:37:57,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:37:57,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:37:57,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:37:57,401 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 313 [2022-11-21 16:37:57,402 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 293 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:37:57,403 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:37:57,403 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 313 [2022-11-21 16:37:57,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand