./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5b-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/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_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5b-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/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_2fe9ac01-f143-442a-9aaa-d2f79ba21336/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 5faf00393d89d658f15bef38d92c45fbf71c11871cf63eee09c2e096e6751445 --- 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 21:06:41,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:06:41,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:06:41,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:06:41,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:06:41,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:06:41,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:06:41,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:06:41,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:06:41,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:06:41,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:06:41,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:06:41,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:06:41,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:06:41,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:06:41,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:06:41,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:06:41,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:06:41,267 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:06:41,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:06:41,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:06:41,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:06:41,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:06:41,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:06:41,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:06:41,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:06:41,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:06:41,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:06:41,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:06:41,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:06:41,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:06:41,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:06:41,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:06:41,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:06:41,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:06:41,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:06:41,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:06:41,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:06:41,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:06:41,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:06:41,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:06:41,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 21:06:41,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:06:41,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:06:41,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:06:41,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:06:41,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:06:41,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:06:41,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:06:41,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:06:41,357 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:06:41,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:06:41,358 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:06:41,359 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:06:41,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:06:41,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:06:41,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:06:41,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:06:41,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:06:41,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:06:41,360 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 21:06:41,361 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:06:41,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:06:41,361 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:06:41,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:06:41,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:06:41,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:06:41,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:06:41,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:06:41,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:06:41,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:06:41,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:06:41,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:06:41,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:06:41,366 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:06:41,366 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:06:41,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:06:41,367 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_2fe9ac01-f143-442a-9aaa-d2f79ba21336/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5faf00393d89d658f15bef38d92c45fbf71c11871cf63eee09c2e096e6751445 [2022-11-18 21:06:41,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:06:41,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:06:41,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:06:41,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:06:41,729 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:06:41,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-races/race-2_5b-container_of.i [2022-11-18 21:06:41,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/data/8ae4c95c1/b9d570a5f4f94011be5d8811587fdd01/FLAG77cb968c9 [2022-11-18 21:06:42,673 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:06:42,674 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/sv-benchmarks/c/ldv-races/race-2_5b-container_of.i [2022-11-18 21:06:42,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/data/8ae4c95c1/b9d570a5f4f94011be5d8811587fdd01/FLAG77cb968c9 [2022-11-18 21:06:42,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/data/8ae4c95c1/b9d570a5f4f94011be5d8811587fdd01 [2022-11-18 21:06:42,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:06:42,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:06:42,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:06:42,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:06:42,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:06:42,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:06:42" (1/1) ... [2022-11-18 21:06:42,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@452ee21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:42, skipping insertion in model container [2022-11-18 21:06:42,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:06:42" (1/1) ... [2022-11-18 21:06:42,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:06:42,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:06:43,789 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_2fe9ac01-f143-442a-9aaa-d2f79ba21336/sv-benchmarks/c/ldv-races/race-2_5b-container_of.i[76077,76090] [2022-11-18 21:06:43,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:06:43,877 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:06:43,921 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_2fe9ac01-f143-442a-9aaa-d2f79ba21336/sv-benchmarks/c/ldv-races/race-2_5b-container_of.i[76077,76090] [2022-11-18 21:06:43,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:06:44,137 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:06:44,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44 WrapperNode [2022-11-18 21:06:44,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:06:44,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:06:44,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:06:44,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:06:44,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,250 INFO L138 Inliner]: procedures = 482, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 217 [2022-11-18 21:06:44,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:06:44,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:06:44,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:06:44,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:06:44,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,310 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:06:44,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:06:44,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:06:44,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:06:44,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (1/1) ... [2022-11-18 21:06:44,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:06:44,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:06:44,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:06:44,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fe9ac01-f143-442a-9aaa-d2f79ba21336/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:06:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:06:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:06:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 21:06:44,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:06:44,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 21:06:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:06:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:06:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-11-18 21:06:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-11-18 21:06:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:06:44,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:06:44,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:06:44,467 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 21:06:44,929 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:06:44,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:06:45,476 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:06:45,487 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:06:45,487 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 21:06:45,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:45 BoogieIcfgContainer [2022-11-18 21:06:45,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:06:45,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:06:45,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:06:45,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:06:45,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:06:42" (1/3) ... [2022-11-18 21:06:45,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450fa089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:06:45, skipping insertion in model container [2022-11-18 21:06:45,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:06:44" (2/3) ... [2022-11-18 21:06:45,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450fa089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:06:45, skipping insertion in model container [2022-11-18 21:06:45,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:06:45" (3/3) ... [2022-11-18 21:06:45,506 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5b-container_of.i [2022-11-18 21:06:45,517 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 21:06:45,526 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:06:45,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2022-11-18 21:06:45,527 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 21:06:45,678 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 21:06:45,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 331 transitions, 678 flow [2022-11-18 21:06:45,892 INFO L130 PetriNetUnfolder]: 10/408 cut-off events. [2022-11-18 21:06:45,893 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 21:06:45,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 408 events. 10/408 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 817 event pairs, 0 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 218. Up to 4 conditions per place. [2022-11-18 21:06:45,901 INFO L82 GeneralOperation]: Start removeDead. Operand has 329 places, 331 transitions, 678 flow [2022-11-18 21:06:45,910 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 328 transitions, 668 flow [2022-11-18 21:06:45,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:06:45,928 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;@202080e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:06:45,929 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-18 21:06:45,938 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-18 21:06:45,938 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 21:06:45,938 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:06:45,939 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] [2022-11-18 21:06:45,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-18 21:06:45,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:45,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1331486115, now seen corresponding path program 1 times [2022-11-18 21:06:45,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:45,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254762776] [2022-11-18 21:06:45,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:45,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:47,208 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 21:06:47,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:47,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254762776] [2022-11-18 21:06:47,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254762776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:47,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:47,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:06:47,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451661520] [2022-11-18 21:06:47,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:47,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:47,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:47,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:47,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:47,282 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 331 [2022-11-18 21:06:47,291 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 328 transitions, 668 flow. Second operand has 6 states, 6 states have (on average 188.83333333333334) internal successors, (1133), 6 states have internal predecessors, (1133), 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 21:06:47,291 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:06:47,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 331 [2022-11-18 21:06:47,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:06:57,338 INFO L130 PetriNetUnfolder]: 21421/46610 cut-off events. [2022-11-18 21:06:57,339 INFO L131 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2022-11-18 21:06:57,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79955 conditions, 46610 events. 21421/46610 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 1034. Compared 468624 event pairs, 21420 based on Foata normal form. 660/40662 useless extension candidates. Maximal degree in co-relation 76880. Up to 33277 conditions per place. [2022-11-18 21:06:57,641 INFO L137 encePairwiseOnDemand]: 319/331 looper letters, 126 selfloop transitions, 5 changer transitions 2/315 dead transitions. [2022-11-18 21:06:57,641 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 315 transitions, 904 flow [2022-11-18 21:06:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:06:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:06:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1260 transitions. [2022-11-18 21:06:57,671 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6344410876132931 [2022-11-18 21:06:57,672 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1260 transitions. [2022-11-18 21:06:57,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1260 transitions. [2022-11-18 21:06:57,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:06:57,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1260 transitions. [2022-11-18 21:06:57,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 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 21:06:57,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 21:06:57,705 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 21:06:57,707 INFO L175 Difference]: Start difference. First operand has 327 places, 328 transitions, 668 flow. Second operand 6 states and 1260 transitions. [2022-11-18 21:06:57,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 315 transitions, 904 flow [2022-11-18 21:06:57,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 315 transitions, 896 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 21:06:57,744 INFO L231 Difference]: Finished difference. Result has 321 places, 313 transitions, 640 flow [2022-11-18 21:06:57,747 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=640, PETRI_PLACES=321, PETRI_TRANSITIONS=313} [2022-11-18 21:06:57,754 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, -6 predicate places. [2022-11-18 21:06:57,755 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 313 transitions, 640 flow [2022-11-18 21:06:57,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.83333333333334) internal successors, (1133), 6 states have internal predecessors, (1133), 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 21:06:57,756 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:06:57,757 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] [2022-11-18 21:06:57,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:06:57,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-18 21:06:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:06:57,761 INFO L85 PathProgramCache]: Analyzing trace with hash 772640567, now seen corresponding path program 1 times [2022-11-18 21:06:57,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:06:57,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978154590] [2022-11-18 21:06:57,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:06:57,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:06:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:06:58,346 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 21:06:58,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:06:58,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978154590] [2022-11-18 21:06:58,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978154590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:06:58,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:06:58,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:06:58,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756380570] [2022-11-18 21:06:58,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:06:58,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:06:58,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:06:58,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:06:58,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:06:58,351 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 331 [2022-11-18 21:06:58,353 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 313 transitions, 640 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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 21:06:58,353 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:06:58,353 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 331 [2022-11-18 21:06:58,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:07:05,663 INFO L130 PetriNetUnfolder]: 21421/46607 cut-off events. [2022-11-18 21:07:05,663 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-18 21:07:05,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79915 conditions, 46607 events. 21421/46607 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 1034. Compared 468532 event pairs, 21420 based on Foata normal form. 0/40002 useless extension candidates. Maximal degree in co-relation 79853. Up to 33276 conditions per place. [2022-11-18 21:07:06,062 INFO L137 encePairwiseOnDemand]: 325/331 looper letters, 125 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2022-11-18 21:07:06,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 312 transitions, 898 flow [2022-11-18 21:07:06,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:07:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:07:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1253 transitions. [2022-11-18 21:07:06,068 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6309164149043303 [2022-11-18 21:07:06,069 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1253 transitions. [2022-11-18 21:07:06,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1253 transitions. [2022-11-18 21:07:06,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:07:06,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1253 transitions. [2022-11-18 21:07:06,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.83333333333334) internal successors, (1253), 6 states have internal predecessors, (1253), 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 21:07:06,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 21:07:06,081 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 21:07:06,081 INFO L175 Difference]: Start difference. First operand has 321 places, 313 transitions, 640 flow. Second operand 6 states and 1253 transitions. [2022-11-18 21:07:06,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 312 transitions, 898 flow [2022-11-18 21:07:06,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 312 transitions, 888 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 21:07:06,093 INFO L231 Difference]: Finished difference. Result has 318 places, 312 transitions, 638 flow [2022-11-18 21:07:06,093 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=318, PETRI_TRANSITIONS=312} [2022-11-18 21:07:06,094 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, -9 predicate places. [2022-11-18 21:07:06,095 INFO L495 AbstractCegarLoop]: Abstraction has has 318 places, 312 transitions, 638 flow [2022-11-18 21:07:06,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 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 21:07:06,096 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:06,097 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] [2022-11-18 21:07:06,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:07:06,097 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-18 21:07:06,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:06,099 INFO L85 PathProgramCache]: Analyzing trace with hash 608711994, now seen corresponding path program 1 times [2022-11-18 21:07:06,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:06,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697530691] [2022-11-18 21:07:06,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:06,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:06,796 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 21:07:06,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:06,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697530691] [2022-11-18 21:07:06,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697530691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:06,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:06,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:07:06,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571516291] [2022-11-18 21:07:06,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:06,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:07:06,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:06,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:07:06,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:07:06,804 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 331 [2022-11-18 21:07:06,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 312 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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 21:07:06,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:07:06,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 331 [2022-11-18 21:07:06,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:07:16,428 INFO L130 PetriNetUnfolder]: 30985/61557 cut-off events. [2022-11-18 21:07:16,429 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-18 21:07:16,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109482 conditions, 61557 events. 30985/61557 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 1193. Compared 596053 event pairs, 25544 based on Foata normal form. 0/53382 useless extension candidates. Maximal degree in co-relation 109409. Up to 44588 conditions per place. [2022-11-18 21:07:16,732 INFO L137 encePairwiseOnDemand]: 300/331 looper letters, 183 selfloop transitions, 102 changer transitions 0/461 dead transitions. [2022-11-18 21:07:16,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 461 transitions, 1506 flow [2022-11-18 21:07:16,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:07:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:07:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1372 transitions. [2022-11-18 21:07:16,736 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6908358509566969 [2022-11-18 21:07:16,737 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1372 transitions. [2022-11-18 21:07:16,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1372 transitions. [2022-11-18 21:07:16,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:07:16,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1372 transitions. [2022-11-18 21:07:16,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.66666666666666) internal successors, (1372), 6 states have internal predecessors, (1372), 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 21:07:16,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 21:07:16,750 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 21:07:16,750 INFO L175 Difference]: Start difference. First operand has 318 places, 312 transitions, 638 flow. Second operand 6 states and 1372 transitions. [2022-11-18 21:07:16,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 461 transitions, 1506 flow [2022-11-18 21:07:16,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 461 transitions, 1496 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-18 21:07:16,760 INFO L231 Difference]: Finished difference. Result has 323 places, 413 transitions, 1298 flow [2022-11-18 21:07:16,761 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1298, PETRI_PLACES=323, PETRI_TRANSITIONS=413} [2022-11-18 21:07:16,763 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, -4 predicate places. [2022-11-18 21:07:16,764 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 413 transitions, 1298 flow [2022-11-18 21:07:16,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.33333333333334) internal successors, (1106), 6 states have internal predecessors, (1106), 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 21:07:16,765 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:16,765 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] [2022-11-18 21:07:16,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:07:16,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-18 21:07:16,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:16,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1588528600, now seen corresponding path program 1 times [2022-11-18 21:07:16,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:16,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122105791] [2022-11-18 21:07:16,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:16,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:16,921 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 21:07:16,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:16,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122105791] [2022-11-18 21:07:16,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122105791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:16,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:16,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:07:16,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057857991] [2022-11-18 21:07:16,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:16,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 21:07:16,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:16,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:07:16,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:07:16,930 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 331 [2022-11-18 21:07:16,933 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 413 transitions, 1298 flow. Second operand has 5 states, 5 states have (on average 305.8) internal successors, (1529), 5 states have internal predecessors, (1529), 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 21:07:16,933 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:07:16,933 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 331 [2022-11-18 21:07:16,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:07:18,395 INFO L130 PetriNetUnfolder]: 3462/8450 cut-off events. [2022-11-18 21:07:18,395 INFO L131 PetriNetUnfolder]: For 1456/1541 co-relation queries the response was YES. [2022-11-18 21:07:18,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16709 conditions, 8450 events. 3462/8450 cut-off events. For 1456/1541 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 66817 event pairs, 1176 based on Foata normal form. 0/7966 useless extension candidates. Maximal degree in co-relation 15818. Up to 3906 conditions per place. [2022-11-18 21:07:18,471 INFO L137 encePairwiseOnDemand]: 326/331 looper letters, 16 selfloop transitions, 4 changer transitions 0/418 dead transitions. [2022-11-18 21:07:18,471 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 418 transitions, 1348 flow [2022-11-18 21:07:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:07:18,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:07:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1845 transitions. [2022-11-18 21:07:18,477 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9290030211480362 [2022-11-18 21:07:18,477 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1845 transitions. [2022-11-18 21:07:18,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1845 transitions. [2022-11-18 21:07:18,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:07:18,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1845 transitions. [2022-11-18 21:07:18,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.5) internal successors, (1845), 6 states have internal predecessors, (1845), 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 21:07:18,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 21:07:18,490 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 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 21:07:18,490 INFO L175 Difference]: Start difference. First operand has 323 places, 413 transitions, 1298 flow. Second operand 6 states and 1845 transitions. [2022-11-18 21:07:18,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 418 transitions, 1348 flow [2022-11-18 21:07:18,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 418 transitions, 1348 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 21:07:18,539 INFO L231 Difference]: Finished difference. Result has 332 places, 416 transitions, 1327 flow [2022-11-18 21:07:18,540 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1298, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1327, PETRI_PLACES=332, PETRI_TRANSITIONS=416} [2022-11-18 21:07:18,540 INFO L288 CegarLoopForPetriNet]: 327 programPoint places, 5 predicate places. [2022-11-18 21:07:18,541 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 416 transitions, 1327 flow [2022-11-18 21:07:18,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 305.8) internal successors, (1529), 5 states have internal predecessors, (1529), 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 21:07:18,542 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:07:18,542 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] [2022-11-18 21:07:18,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:07:18,543 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2022-11-18 21:07:18,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:07:18,543 INFO L85 PathProgramCache]: Analyzing trace with hash -620758931, now seen corresponding path program 1 times [2022-11-18 21:07:18,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:07:18,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784233150] [2022-11-18 21:07:18,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:07:18,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:07:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:07:19,158 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 21:07:19,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:07:19,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784233150] [2022-11-18 21:07:19,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784233150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:07:19,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:07:19,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:07:19,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090931451] [2022-11-18 21:07:19,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:07:19,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:07:19,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:07:19,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:07:19,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:07:19,163 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 331 [2022-11-18 21:07:19,165 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 416 transitions, 1327 flow. Second operand has 6 states, 6 states have (on average 189.5) internal successors, (1137), 6 states have internal predecessors, (1137), 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 21:07:19,165 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:07:19,165 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 331 [2022-11-18 21:07:19,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand