./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 672ab63d50f6d257836fb16bc257f69b3b166ee79333dc7cfe86a969c93c0f7f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:53:21,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:53:21,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:53:21,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:53:21,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:53:21,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:53:21,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:53:21,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:53:21,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:53:21,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:53:21,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:53:21,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:53:21,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:53:21,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:53:21,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:53:21,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:53:21,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:53:21,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:53:21,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:53:21,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:53:21,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:53:21,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:53:21,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:53:21,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:53:21,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:53:21,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:53:21,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:53:21,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:53:21,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:53:21,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:53:21,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:53:21,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:53:21,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:53:21,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:53:21,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:53:21,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:53:21,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:53:21,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:53:21,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:53:21,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:53:21,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:53:21,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 17:53:21,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:53:21,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:53:21,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:53:21,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:53:21,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:53:21,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:53:21,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:53:21,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:53:21,512 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:53:21,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:53:21,513 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:53:21,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:53:21,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:53:21,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:53:21,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:53:21,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:53:21,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:53:21,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:53:21,514 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 17:53:21,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:53:21,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:53:21,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:53:21,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:53:21,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:53:21,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:53:21,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:53:21,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:53:21,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:53:21,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:53:21,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:53:21,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:53:21,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:53:21,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:53:21,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:53:21,517 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:53:21,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:53:21,517 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:53:21,517 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672ab63d50f6d257836fb16bc257f69b3b166ee79333dc7cfe86a969c93c0f7f [2022-12-13 17:53:21,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:53:21,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:53:21,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:53:21,734 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:53:21,735 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:53:21,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2022-12-13 17:53:24,266 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:53:24,420 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:53:24,421 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c [2022-12-13 17:53:24,425 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/data/b8fe6d90b/d5d6fbf72ac14932b33a941c5bc50488/FLAG3355ea9bf [2022-12-13 17:53:24,855 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/data/b8fe6d90b/d5d6fbf72ac14932b33a941c5bc50488 [2022-12-13 17:53:24,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:53:24,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:53:24,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:53:24,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:53:24,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:53:24,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:53:24" (1/1) ... [2022-12-13 17:53:24,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e86ca82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:24, skipping insertion in model container [2022-12-13 17:53:24,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:53:24" (1/1) ... [2022-12-13 17:53:24,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:53:24,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:53:25,036 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_fd7b1907-524e-40b4-9564-afbafa81aebf/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c[2272,2285] [2022-12-13 17:53:25,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:53:25,047 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:53:25,072 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_fd7b1907-524e-40b4-9564-afbafa81aebf/sv-benchmarks/c/weaver/chl-sre-trans.wvr.c[2272,2285] [2022-12-13 17:53:25,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:53:25,088 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:53:25,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25 WrapperNode [2022-12-13 17:53:25,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:53:25,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:53:25,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:53:25,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:53:25,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,124 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2022-12-13 17:53:25,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:53:25,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:53:25,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:53:25,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:53:25,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,148 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:53:25,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:53:25,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:53:25,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:53:25,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (1/1) ... [2022-12-13 17:53:25,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:53:25,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:53:25,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:53:25,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:53:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:53:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 17:53:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 17:53:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 17:53:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 17:53:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 17:53:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 17:53:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:53:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:53:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:53:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:53:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:53:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:53:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:53:25,223 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 17:53:25,317 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:53:25,318 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:53:25,539 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:53:25,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:53:25,546 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 17:53:25,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:53:25 BoogieIcfgContainer [2022-12-13 17:53:25,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:53:25,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:53:25,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:53:25,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:53:25,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:53:24" (1/3) ... [2022-12-13 17:53:25,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8963e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:53:25, skipping insertion in model container [2022-12-13 17:53:25,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:53:25" (2/3) ... [2022-12-13 17:53:25,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8963e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:53:25, skipping insertion in model container [2022-12-13 17:53:25,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:53:25" (3/3) ... [2022-12-13 17:53:25,555 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-trans.wvr.c [2022-12-13 17:53:25,561 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 17:53:25,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:53:25,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2022-12-13 17:53:25,570 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 17:53:25,631 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 17:53:25,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 198 places, 194 transitions, 412 flow [2022-12-13 17:53:25,714 INFO L130 PetriNetUnfolder]: 6/191 cut-off events. [2022-12-13 17:53:25,714 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 17:53:25,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 191 events. 6/191 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 265 event pairs, 0 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2022-12-13 17:53:25,719 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 194 transitions, 412 flow [2022-12-13 17:53:25,724 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 173 places, 167 transitions, 352 flow [2022-12-13 17:53:25,728 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 17:53:25,738 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 167 transitions, 352 flow [2022-12-13 17:53:25,741 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 173 places, 167 transitions, 352 flow [2022-12-13 17:53:25,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 167 transitions, 352 flow [2022-12-13 17:53:25,776 INFO L130 PetriNetUnfolder]: 4/167 cut-off events. [2022-12-13 17:53:25,777 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 17:53:25,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 167 events. 4/167 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 250 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2022-12-13 17:53:25,785 INFO L119 LiptonReduction]: Number of co-enabled transitions 6072 [2022-12-13 17:53:29,083 INFO L134 LiptonReduction]: Checked pairs total: 23067 [2022-12-13 17:53:29,084 INFO L136 LiptonReduction]: Total number of compositions: 149 [2022-12-13 17:53:29,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:53:29,099 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;@7e4b280e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:53:29,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-12-13 17:53:29,100 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 17:53:29,100 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 17:53:29,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:53:29,101 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 17:53:29,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2022-12-13 17:53:29,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:53:29,105 INFO L85 PathProgramCache]: Analyzing trace with hash 655, now seen corresponding path program 1 times [2022-12-13 17:53:29,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:53:29,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043472803] [2022-12-13 17:53:29,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:53:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:53:29,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:53:29,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043472803] [2022-12-13 17:53:29,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043472803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:53:29,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:53:29,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 17:53:29,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888494472] [2022-12-13 17:53:29,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:53:29,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 17:53:29,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:53:29,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:53:29,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:53:29,205 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 343 [2022-12-13 17:53:29,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 186.5) internal successors, (373), 2 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:53:29,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 343 [2022-12-13 17:53:29,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:53:29,326 INFO L130 PetriNetUnfolder]: 465/767 cut-off events. [2022-12-13 17:53:29,326 INFO L131 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2022-12-13 17:53:29,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1510 conditions, 767 events. 465/767 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3990 event pairs, 333 based on Foata normal form. 1/584 useless extension candidates. Maximal degree in co-relation 1252. Up to 676 conditions per place. [2022-12-13 17:53:29,334 INFO L137 encePairwiseOnDemand]: 332/343 looper letters, 23 selfloop transitions, 0 changer transitions 1/46 dead transitions. [2022-12-13 17:53:29,334 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 46 transitions, 158 flow [2022-12-13 17:53:29,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:53:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 17:53:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 407 transitions. [2022-12-13 17:53:29,344 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5932944606413995 [2022-12-13 17:53:29,344 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 407 transitions. [2022-12-13 17:53:29,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 407 transitions. [2022-12-13 17:53:29,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:53:29,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 407 transitions. [2022-12-13 17:53:29,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 203.5) internal successors, (407), 2 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,354 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,356 INFO L175 Difference]: Start difference. First operand has 64 places, 57 transitions, 132 flow. Second operand 2 states and 407 transitions. [2022-12-13 17:53:29,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 46 transitions, 158 flow [2022-12-13 17:53:29,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 46 transitions, 146 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 17:53:29,360 INFO L231 Difference]: Finished difference. Result has 48 places, 45 transitions, 95 flow [2022-12-13 17:53:29,362 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=95, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2022-12-13 17:53:29,364 INFO L288 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2022-12-13 17:53:29,365 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 95 flow [2022-12-13 17:53:29,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 186.5) internal successors, (373), 2 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,372 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:53:29,372 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 17:53:29,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:53:29,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2022-12-13 17:53:29,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:53:29,373 INFO L85 PathProgramCache]: Analyzing trace with hash 20195018, now seen corresponding path program 1 times [2022-12-13 17:53:29,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:53:29,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129048251] [2022-12-13 17:53:29,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:29,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:53:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:53:29,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:53:29,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129048251] [2022-12-13 17:53:29,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129048251] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:53:29,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:53:29,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:53:29,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774590746] [2022-12-13 17:53:29,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:53:29,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:53:29,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:53:29,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:53:29,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:53:29,445 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 343 [2022-12-13 17:53:29,446 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,446 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:53:29,446 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 343 [2022-12-13 17:53:29,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:53:29,597 INFO L130 PetriNetUnfolder]: 937/1595 cut-off events. [2022-12-13 17:53:29,598 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-12-13 17:53:29,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2975 conditions, 1595 events. 937/1595 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 9237 event pairs, 477 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 2972. Up to 1314 conditions per place. [2022-12-13 17:53:29,604 INFO L137 encePairwiseOnDemand]: 339/343 looper letters, 36 selfloop transitions, 2 changer transitions 0/54 dead transitions. [2022-12-13 17:53:29,605 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 54 transitions, 191 flow [2022-12-13 17:53:29,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:53:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:53:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 577 transitions. [2022-12-13 17:53:29,607 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5607385811467445 [2022-12-13 17:53:29,607 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 577 transitions. [2022-12-13 17:53:29,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 577 transitions. [2022-12-13 17:53:29,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:53:29,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 577 transitions. [2022-12-13 17:53:29,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 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) [2022-12-13 17:53:29,611 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 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) [2022-12-13 17:53:29,611 INFO L175 Difference]: Start difference. First operand has 48 places, 45 transitions, 95 flow. Second operand 3 states and 577 transitions. [2022-12-13 17:53:29,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 54 transitions, 191 flow [2022-12-13 17:53:29,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 191 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:53:29,612 INFO L231 Difference]: Finished difference. Result has 48 places, 45 transitions, 105 flow [2022-12-13 17:53:29,612 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=48, PETRI_TRANSITIONS=45} [2022-12-13 17:53:29,613 INFO L288 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2022-12-13 17:53:29,613 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 45 transitions, 105 flow [2022-12-13 17:53:29,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,613 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:53:29,613 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 17:53:29,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:53:29,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2022-12-13 17:53:29,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:53:29,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2061597332, now seen corresponding path program 1 times [2022-12-13 17:53:29,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:53:29,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463516464] [2022-12-13 17:53:29,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:29,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:53:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:53:29,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:53:29,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463516464] [2022-12-13 17:53:29,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463516464] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:53:29,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:53:29,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:53:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802093857] [2022-12-13 17:53:29,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:53:29,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:53:29,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:53:29,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:53:29,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:53:29,665 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 343 [2022-12-13 17:53:29,666 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 45 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,666 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:53:29,666 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 343 [2022-12-13 17:53:29,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:53:29,857 INFO L130 PetriNetUnfolder]: 1048/1751 cut-off events. [2022-12-13 17:53:29,857 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-12-13 17:53:29,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3316 conditions, 1751 events. 1048/1751 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 10363 event pairs, 510 based on Foata normal form. 0/1564 useless extension candidates. Maximal degree in co-relation 3312. Up to 1483 conditions per place. [2022-12-13 17:53:29,868 INFO L137 encePairwiseOnDemand]: 338/343 looper letters, 36 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2022-12-13 17:53:29,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 53 transitions, 199 flow [2022-12-13 17:53:29,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:53:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:53:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2022-12-13 17:53:29,870 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5529640427599611 [2022-12-13 17:53:29,871 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2022-12-13 17:53:29,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2022-12-13 17:53:29,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:53:29,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2022-12-13 17:53:29,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 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) [2022-12-13 17:53:29,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 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) [2022-12-13 17:53:29,877 INFO L175 Difference]: Start difference. First operand has 48 places, 45 transitions, 105 flow. Second operand 3 states and 569 transitions. [2022-12-13 17:53:29,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 53 transitions, 199 flow [2022-12-13 17:53:29,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 53 transitions, 199 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:53:29,878 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 113 flow [2022-12-13 17:53:29,878 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2022-12-13 17:53:29,879 INFO L288 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2022-12-13 17:53:29,879 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 113 flow [2022-12-13 17:53:29,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,880 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:53:29,880 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:53:29,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:53:29,880 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2022-12-13 17:53:29,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:53:29,881 INFO L85 PathProgramCache]: Analyzing trace with hash 334803491, now seen corresponding path program 1 times [2022-12-13 17:53:29,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:53:29,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054335595] [2022-12-13 17:53:29,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:29,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:53:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:53:29,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:53:29,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054335595] [2022-12-13 17:53:29,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054335595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:53:29,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:53:29,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:53:29,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731794376] [2022-12-13 17:53:29,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:53:29,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:53:29,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:53:29,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:53:29,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:53:29,936 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 343 [2022-12-13 17:53:29,936 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:29,937 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:53:29,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 343 [2022-12-13 17:53:29,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:53:30,050 INFO L130 PetriNetUnfolder]: 565/940 cut-off events. [2022-12-13 17:53:30,050 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 17:53:30,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1823 conditions, 940 events. 565/940 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5113 event pairs, 319 based on Foata normal form. 0/722 useless extension candidates. Maximal degree in co-relation 1818. Up to 643 conditions per place. [2022-12-13 17:53:30,054 INFO L137 encePairwiseOnDemand]: 339/343 looper letters, 33 selfloop transitions, 3 changer transitions 0/56 dead transitions. [2022-12-13 17:53:30,054 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 56 transitions, 211 flow [2022-12-13 17:53:30,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:53:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:53:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 577 transitions. [2022-12-13 17:53:30,057 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5607385811467445 [2022-12-13 17:53:30,057 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 577 transitions. [2022-12-13 17:53:30,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 577 transitions. [2022-12-13 17:53:30,058 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:53:30,058 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 577 transitions. [2022-12-13 17:53:30,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:30,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 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) [2022-12-13 17:53:30,060 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 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) [2022-12-13 17:53:30,061 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 113 flow. Second operand 3 states and 577 transitions. [2022-12-13 17:53:30,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 56 transitions, 211 flow [2022-12-13 17:53:30,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 56 transitions, 211 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 17:53:30,062 INFO L231 Difference]: Finished difference. Result has 49 places, 43 transitions, 117 flow [2022-12-13 17:53:30,062 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=49, PETRI_TRANSITIONS=43} [2022-12-13 17:53:30,062 INFO L288 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2022-12-13 17:53:30,063 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 43 transitions, 117 flow [2022-12-13 17:53:30,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:30,063 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 17:53:30,063 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:53:30,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:53:30,063 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2022-12-13 17:53:30,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:53:30,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1215097778, now seen corresponding path program 1 times [2022-12-13 17:53:30,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:53:30,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556074799] [2022-12-13 17:53:30,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:53:30,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:53:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:53:30,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:53:30,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:53:30,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556074799] [2022-12-13 17:53:30,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556074799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:53:30,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:53:30,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:53:30,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152816229] [2022-12-13 17:53:30,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:53:30,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:53:30,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:53:30,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:53:30,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:53:30,113 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 343 [2022-12-13 17:53:30,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 43 transitions, 117 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:30,114 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 17:53:30,114 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 343 [2022-12-13 17:53:30,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 17:53:30,282 INFO L130 PetriNetUnfolder]: 1199/1778 cut-off events. [2022-12-13 17:53:30,282 INFO L131 PetriNetUnfolder]: For 297/297 co-relation queries the response was YES. [2022-12-13 17:53:30,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3848 conditions, 1778 events. 1199/1778 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7821 event pairs, 305 based on Foata normal form. 0/1561 useless extension candidates. Maximal degree in co-relation 3842. Up to 1708 conditions per place. [2022-12-13 17:53:30,285 INFO L137 encePairwiseOnDemand]: 337/343 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2022-12-13 17:53:30,285 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 50 transitions, 215 flow [2022-12-13 17:53:30,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:53:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 17:53:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2022-12-13 17:53:30,287 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5451895043731778 [2022-12-13 17:53:30,287 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 561 transitions. [2022-12-13 17:53:30,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 561 transitions. [2022-12-13 17:53:30,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:53:30,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 561 transitions. [2022-12-13 17:53:30,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:30,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 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) [2022-12-13 17:53:30,289 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 343.0) internal successors, (1372), 4 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) [2022-12-13 17:53:30,289 INFO L175 Difference]: Start difference. First operand has 49 places, 43 transitions, 117 flow. Second operand 3 states and 561 transitions. [2022-12-13 17:53:30,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 50 transitions, 215 flow [2022-12-13 17:53:30,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 50 transitions, 203 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 17:53:30,291 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2022-12-13 17:53:30,291 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2022-12-13 17:53:30,291 INFO L288 CegarLoopForPetriNet]: 64 programPoint places, -19 predicate places. [2022-12-13 17:53:30,291 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2022-12-13 17:53:30,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:53:30,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 36 remaining) [2022-12-13 17:53:30,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining) [2022-12-13 17:53:30,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining) [2022-12-13 17:53:30,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining) [2022-12-13 17:53:30,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining) [2022-12-13 17:53:30,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining) [2022-12-13 17:53:30,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 36 remaining) [2022-12-13 17:53:30,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining) [2022-12-13 17:53:30,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining) [2022-12-13 17:53:30,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining) [2022-12-13 17:53:30,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining) [2022-12-13 17:53:30,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining) [2022-12-13 17:53:30,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining) [2022-12-13 17:53:30,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining) [2022-12-13 17:53:30,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining) [2022-12-13 17:53:30,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:53:30,297 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 17:53:30,301 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 17:53:30,301 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:53:30,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:53:30 BasicIcfg [2022-12-13 17:53:30,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:53:30,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:53:30,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:53:30,304 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:53:30,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:53:25" (3/4) ... [2022-12-13 17:53:30,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 17:53:30,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 17:53:30,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 17:53:30,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 17:53:30,314 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 17:53:30,314 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 17:53:30,314 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 17:53:30,314 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 17:53:30,343 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:53:30,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:53:30,344 INFO L158 Benchmark]: Toolchain (without parser) took 5486.01ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 139.4MB in the beginning and 121.3MB in the end (delta: 18.1MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2022-12-13 17:53:30,344 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:53:30,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.46ms. Allocated memory is still 176.2MB. Free memory was 138.9MB in the beginning and 128.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:53:30,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.56ms. Allocated memory is still 176.2MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:53:30,345 INFO L158 Benchmark]: Boogie Preprocessor took 27.07ms. Allocated memory is still 176.2MB. Free memory was 125.9MB in the beginning and 124.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:53:30,345 INFO L158 Benchmark]: RCFGBuilder took 395.05ms. Allocated memory is still 176.2MB. Free memory was 124.4MB in the beginning and 106.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 17:53:30,345 INFO L158 Benchmark]: TraceAbstraction took 4754.21ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 105.5MB in the beginning and 125.5MB in the end (delta: -20.0MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. [2022-12-13 17:53:30,346 INFO L158 Benchmark]: Witness Printer took 39.48ms. Allocated memory is still 222.3MB. Free memory was 125.5MB in the beginning and 121.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:53:30,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 176.2MB. Free memory is still 144.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.46ms. Allocated memory is still 176.2MB. Free memory was 138.9MB in the beginning and 128.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.56ms. Allocated memory is still 176.2MB. Free memory was 128.0MB in the beginning and 125.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.07ms. Allocated memory is still 176.2MB. Free memory was 125.9MB in the beginning and 124.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.05ms. Allocated memory is still 176.2MB. Free memory was 124.4MB in the beginning and 106.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4754.21ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 105.5MB in the beginning and 125.5MB in the end (delta: -20.0MB). Peak memory consumption was 92.7MB. Max. memory is 16.1GB. * Witness Printer took 39.48ms. Allocated memory is still 222.3MB. Free memory was 125.5MB in the beginning and 121.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 173 PlacesBefore, 64 PlacesAfterwards, 167 TransitionsBefore, 57 TransitionsAfterwards, 6072 CoEnabledTransitionPairs, 8 FixpointIterations, 67 TrivialSequentialCompositions, 68 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 149 TotalNumberOfCompositions, 23067 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9879, independent: 9403, independent conditional: 0, independent unconditional: 9403, dependent: 476, dependent conditional: 0, dependent unconditional: 476, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3393, independent: 3349, independent conditional: 0, independent unconditional: 3349, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9879, independent: 6054, independent conditional: 0, independent unconditional: 6054, dependent: 432, dependent conditional: 0, dependent unconditional: 432, unknown: 3393, unknown conditional: 0, unknown unconditional: 3393] , Statistics on independence cache: Total cache size (in pairs): 496, Positive cache size: 465, Positive conditional cache size: 0, Positive unconditional cache size: 465, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 258 locations, 36 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 243 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 17 mSDtfsCounter, 243 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 21 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 17:53:30,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd7b1907-524e-40b4-9564-afbafa81aebf/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE