./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/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_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/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_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/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 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f --- 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 21:01:22,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:01:22,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:01:22,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:01:22,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:01:22,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:01:22,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:01:22,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:01:22,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:01:22,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:01:22,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:01:22,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:01:22,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:01:22,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:01:22,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:01:22,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:01:22,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:01:22,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:01:22,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:01:22,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:01:22,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:01:22,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:01:22,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:01:22,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:01:22,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:01:22,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:01:22,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:01:22,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:01:22,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:01:22,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:01:22,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:01:22,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:01:22,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:01:22,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:01:22,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:01:22,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:01:22,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:01:22,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:01:22,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:01:22,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:01:22,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:01:22,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 21:01:22,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:01:22,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:01:22,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:01:22,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:01:22,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:01:22,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:01:22,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:01:22,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:01:22,296 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:01:22,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:01:22,298 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:01:22,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:01:22,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:01:22,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:01:22,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:01:22,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:01:22,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:01:22,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:01:22,300 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 21:01:22,300 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:01:22,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:01:22,301 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:01:22,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:01:22,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:01:22,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:01:22,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:01:22,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:01:22,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:01:22,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:01:22,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:01:22,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:01:22,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:01:22,306 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:01:22,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:01:22,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:01:22,307 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_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f [2022-11-18 21:01:22,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:01:22,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:01:22,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:01:22,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:01:22,661 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:01:22,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-atomic/dekker.i [2022-11-18 21:01:22,758 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/data/e5b6a5ae6/f54f5720340843dfbe814ce28ebcd9ff/FLAG32b13ba5f [2022-11-18 21:01:23,372 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:01:23,373 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/sv-benchmarks/c/pthread-atomic/dekker.i [2022-11-18 21:01:23,394 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/data/e5b6a5ae6/f54f5720340843dfbe814ce28ebcd9ff/FLAG32b13ba5f [2022-11-18 21:01:23,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/data/e5b6a5ae6/f54f5720340843dfbe814ce28ebcd9ff [2022-11-18 21:01:23,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:01:23,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:01:23,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:01:23,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:01:23,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:01:23,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:23" (1/1) ... [2022-11-18 21:01:23,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1252bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:23, skipping insertion in model container [2022-11-18 21:01:23,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:01:23" (1/1) ... [2022-11-18 21:01:23,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:01:23,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:01:23,889 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 21:01:24,068 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_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/sv-benchmarks/c/pthread-atomic/dekker.i[31403,31416] [2022-11-18 21:01:24,086 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_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/sv-benchmarks/c/pthread-atomic/dekker.i[32483,32496] [2022-11-18 21:01:24,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:01:24,117 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:01:24,155 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 21:01:24,185 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_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/sv-benchmarks/c/pthread-atomic/dekker.i[31403,31416] [2022-11-18 21:01:24,198 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_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/sv-benchmarks/c/pthread-atomic/dekker.i[32483,32496] [2022-11-18 21:01:24,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:01:24,262 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:01:24,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24 WrapperNode [2022-11-18 21:01:24,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:01:24,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:01:24,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:01:24,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:01:24,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,319 INFO L138 Inliner]: procedures = 172, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-11-18 21:01:24,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:01:24,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:01:24,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:01:24,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:01:24,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:01:24,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:01:24,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:01:24,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:01:24,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (1/1) ... [2022-11-18 21:01:24,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:01:24,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:01:24,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:01:24,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:01:24,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:01:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-18 21:01:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-18 21:01:24,479 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-18 21:01:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-18 21:01:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:01:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 21:01:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:01:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:01:24,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:01:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:01:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 21:01:24,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:01:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:01:24,482 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 21:01:24,627 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:01:24,630 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:01:25,088 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:01:25,219 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:01:25,220 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 21:01:25,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:25 BoogieIcfgContainer [2022-11-18 21:01:25,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:01:25,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:01:25,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:01:25,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:01:25,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:01:23" (1/3) ... [2022-11-18 21:01:25,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7557b98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:01:25, skipping insertion in model container [2022-11-18 21:01:25,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:01:24" (2/3) ... [2022-11-18 21:01:25,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7557b98f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:01:25, skipping insertion in model container [2022-11-18 21:01:25,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:25" (3/3) ... [2022-11-18 21:01:25,242 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker.i [2022-11-18 21:01:25,253 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 21:01:25,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:01:25,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-18 21:01:25,273 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 21:01:25,406 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-18 21:01:25,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 163 transitions, 342 flow [2022-11-18 21:01:25,562 INFO L130 PetriNetUnfolder]: 14/161 cut-off events. [2022-11-18 21:01:25,562 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 21:01:25,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 161 events. 14/161 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 329 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2022-11-18 21:01:25,570 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 163 transitions, 342 flow [2022-11-18 21:01:25,576 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 151 transitions, 311 flow [2022-11-18 21:01:25,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:01:25,596 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;@3252717a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:01:25,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-11-18 21:01:25,603 INFO L130 PetriNetUnfolder]: 0/19 cut-off events. [2022-11-18 21:01:25,603 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 21:01:25,603 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:25,604 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] [2022-11-18 21:01:25,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:25,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:25,611 INFO L85 PathProgramCache]: Analyzing trace with hash 145473571, now seen corresponding path program 1 times [2022-11-18 21:01:25,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:25,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013991777] [2022-11-18 21:01:25,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:25,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:25,884 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 21:01:25,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:25,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013991777] [2022-11-18 21:01:25,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013991777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:25,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:25,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:01:25,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243015948] [2022-11-18 21:01:25,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:25,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:01:25,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:25,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:01:25,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:01:25,939 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 163 [2022-11-18 21:01:25,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 151 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 21:01:25,943 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:25,943 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 163 [2022-11-18 21:01:25,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:26,234 INFO L130 PetriNetUnfolder]: 156/640 cut-off events. [2022-11-18 21:01:26,235 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-11-18 21:01:26,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 640 events. 156/640 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3490 event pairs, 39 based on Foata normal form. 68/604 useless extension candidates. Maximal degree in co-relation 819. Up to 184 conditions per place. [2022-11-18 21:01:26,245 INFO L137 encePairwiseOnDemand]: 125/163 looper letters, 40 selfloop transitions, 9 changer transitions 1/144 dead transitions. [2022-11-18 21:01:26,246 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 144 transitions, 401 flow [2022-11-18 21:01:26,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:01:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:01:26,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2022-11-18 21:01:26,264 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8629856850715747 [2022-11-18 21:01:26,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 422 transitions. [2022-11-18 21:01:26,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 422 transitions. [2022-11-18 21:01:26,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:26,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 422 transitions. [2022-11-18 21:01:26,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 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 21:01:26,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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 21:01:26,283 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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 21:01:26,285 INFO L175 Difference]: Start difference. First operand has 144 places, 151 transitions, 311 flow. Second operand 3 states and 422 transitions. [2022-11-18 21:01:26,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 144 transitions, 401 flow [2022-11-18 21:01:26,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 144 transitions, 393 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-18 21:01:26,296 INFO L231 Difference]: Finished difference. Result has 123 places, 129 transitions, 314 flow [2022-11-18 21:01:26,299 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=123, PETRI_TRANSITIONS=129} [2022-11-18 21:01:26,303 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -21 predicate places. [2022-11-18 21:01:26,304 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 129 transitions, 314 flow [2022-11-18 21:01:26,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 21:01:26,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:26,305 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] [2022-11-18 21:01:26,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:01:26,306 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:26,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:26,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2071862502, now seen corresponding path program 1 times [2022-11-18 21:01:26,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:26,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798951066] [2022-11-18 21:01:26,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:26,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:26,527 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 21:01:26,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:26,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798951066] [2022-11-18 21:01:26,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798951066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:26,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:26,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:01:26,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974667306] [2022-11-18 21:01:26,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:26,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:01:26,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:26,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:01:26,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:01:26,535 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 163 [2022-11-18 21:01:26,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 129 transitions, 314 flow. Second operand has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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 21:01:26,536 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:26,536 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 163 [2022-11-18 21:01:26,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:26,780 INFO L130 PetriNetUnfolder]: 155/638 cut-off events. [2022-11-18 21:01:26,780 INFO L131 PetriNetUnfolder]: For 138/148 co-relation queries the response was YES. [2022-11-18 21:01:26,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1063 conditions, 638 events. 155/638 cut-off events. For 138/148 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3483 event pairs, 51 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 931. Up to 143 conditions per place. [2022-11-18 21:01:26,791 INFO L137 encePairwiseOnDemand]: 157/163 looper letters, 52 selfloop transitions, 5 changer transitions 0/147 dead transitions. [2022-11-18 21:01:26,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 147 transitions, 486 flow [2022-11-18 21:01:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 21:01:26,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-18 21:01:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 466 transitions. [2022-11-18 21:01:26,800 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7147239263803681 [2022-11-18 21:01:26,800 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 466 transitions. [2022-11-18 21:01:26,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 466 transitions. [2022-11-18 21:01:26,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:26,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 466 transitions. [2022-11-18 21:01:26,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 116.5) internal successors, (466), 4 states have internal predecessors, (466), 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 21:01:26,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 163.0) internal successors, (815), 5 states have internal predecessors, (815), 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 21:01:26,811 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 163.0) internal successors, (815), 5 states have internal predecessors, (815), 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 21:01:26,811 INFO L175 Difference]: Start difference. First operand has 123 places, 129 transitions, 314 flow. Second operand 4 states and 466 transitions. [2022-11-18 21:01:26,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 147 transitions, 486 flow [2022-11-18 21:01:26,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 147 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:01:26,822 INFO L231 Difference]: Finished difference. Result has 124 places, 130 transitions, 321 flow [2022-11-18 21:01:26,824 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=321, PETRI_PLACES=124, PETRI_TRANSITIONS=130} [2022-11-18 21:01:26,825 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -20 predicate places. [2022-11-18 21:01:26,825 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 130 transitions, 321 flow [2022-11-18 21:01:26,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 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 21:01:26,826 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:26,827 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] [2022-11-18 21:01:26,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 21:01:26,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:26,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:26,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1939179775, now seen corresponding path program 1 times [2022-11-18 21:01:26,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:26,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924051968] [2022-11-18 21:01:26,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:26,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:26,963 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 21:01:26,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:26,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924051968] [2022-11-18 21:01:26,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924051968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:26,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:26,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:01:26,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043427247] [2022-11-18 21:01:26,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:26,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:01:26,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:26,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:01:26,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:01:26,973 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 163 [2022-11-18 21:01:26,975 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 130 transitions, 321 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 21:01:26,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:26,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 163 [2022-11-18 21:01:26,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:27,299 INFO L130 PetriNetUnfolder]: 391/1131 cut-off events. [2022-11-18 21:01:27,299 INFO L131 PetriNetUnfolder]: For 220/220 co-relation queries the response was YES. [2022-11-18 21:01:27,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2118 conditions, 1131 events. 391/1131 cut-off events. For 220/220 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6936 event pairs, 221 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 1954. Up to 651 conditions per place. [2022-11-18 21:01:27,310 INFO L137 encePairwiseOnDemand]: 157/163 looper letters, 61 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2022-11-18 21:01:27,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 149 transitions, 504 flow [2022-11-18 21:01:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:01:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:01:27,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2022-11-18 21:01:27,314 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7177914110429447 [2022-11-18 21:01:27,314 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2022-11-18 21:01:27,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2022-11-18 21:01:27,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:27,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2022-11-18 21:01:27,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 21:01:27,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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 21:01:27,319 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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 21:01:27,319 INFO L175 Difference]: Start difference. First operand has 124 places, 130 transitions, 321 flow. Second operand 3 states and 351 transitions. [2022-11-18 21:01:27,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 149 transitions, 504 flow [2022-11-18 21:01:27,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 149 transitions, 498 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:01:27,329 INFO L231 Difference]: Finished difference. Result has 126 places, 134 transitions, 354 flow [2022-11-18 21:01:27,330 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=126, PETRI_TRANSITIONS=134} [2022-11-18 21:01:27,333 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -18 predicate places. [2022-11-18 21:01:27,333 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 134 transitions, 354 flow [2022-11-18 21:01:27,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 21:01:27,334 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:27,334 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] [2022-11-18 21:01:27,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 21:01:27,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1501039251, now seen corresponding path program 1 times [2022-11-18 21:01:27,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:27,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052809630] [2022-11-18 21:01:27,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:27,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:27,446 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 21:01:27,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:27,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052809630] [2022-11-18 21:01:27,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052809630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:27,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:27,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:01:27,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091850190] [2022-11-18 21:01:27,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:27,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:01:27,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:27,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:01:27,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:01:27,456 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 163 [2022-11-18 21:01:27,457 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 134 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:01:27,457 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:27,457 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 163 [2022-11-18 21:01:27,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:27,794 INFO L130 PetriNetUnfolder]: 333/1050 cut-off events. [2022-11-18 21:01:27,794 INFO L131 PetriNetUnfolder]: For 348/350 co-relation queries the response was YES. [2022-11-18 21:01:27,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2052 conditions, 1050 events. 333/1050 cut-off events. For 348/350 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6624 event pairs, 115 based on Foata normal form. 1/914 useless extension candidates. Maximal degree in co-relation 1900. Up to 336 conditions per place. [2022-11-18 21:01:27,805 INFO L137 encePairwiseOnDemand]: 155/163 looper letters, 74 selfloop transitions, 7 changer transitions 0/167 dead transitions. [2022-11-18 21:01:27,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 167 transitions, 621 flow [2022-11-18 21:01:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:01:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:01:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2022-11-18 21:01:27,812 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.754601226993865 [2022-11-18 21:01:27,813 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 369 transitions. [2022-11-18 21:01:27,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 369 transitions. [2022-11-18 21:01:27,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:27,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 369 transitions. [2022-11-18 21:01:27,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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 21:01:27,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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 21:01:27,819 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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 21:01:27,819 INFO L175 Difference]: Start difference. First operand has 126 places, 134 transitions, 354 flow. Second operand 3 states and 369 transitions. [2022-11-18 21:01:27,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 167 transitions, 621 flow [2022-11-18 21:01:27,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 167 transitions, 607 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:01:27,837 INFO L231 Difference]: Finished difference. Result has 128 places, 140 transitions, 406 flow [2022-11-18 21:01:27,837 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=128, PETRI_TRANSITIONS=140} [2022-11-18 21:01:27,839 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -16 predicate places. [2022-11-18 21:01:27,839 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 140 transitions, 406 flow [2022-11-18 21:01:27,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:01:27,840 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:27,840 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:27,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 21:01:27,841 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:27,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:27,841 INFO L85 PathProgramCache]: Analyzing trace with hash -359774080, now seen corresponding path program 1 times [2022-11-18 21:01:27,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:27,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883823845] [2022-11-18 21:01:27,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:27,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:27,918 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 21:01:27,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:27,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883823845] [2022-11-18 21:01:27,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883823845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:27,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:27,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 21:01:27,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259643617] [2022-11-18 21:01:27,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:27,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 21:01:27,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:27,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:01:27,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:01:27,922 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 163 [2022-11-18 21:01:27,922 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 140 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 21:01:27,923 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:27,923 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 163 [2022-11-18 21:01:27,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:28,207 INFO L130 PetriNetUnfolder]: 368/1147 cut-off events. [2022-11-18 21:01:28,208 INFO L131 PetriNetUnfolder]: For 515/515 co-relation queries the response was YES. [2022-11-18 21:01:28,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2393 conditions, 1147 events. 368/1147 cut-off events. For 515/515 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7376 event pairs, 175 based on Foata normal form. 0/1015 useless extension candidates. Maximal degree in co-relation 2238. Up to 606 conditions per place. [2022-11-18 21:01:28,220 INFO L137 encePairwiseOnDemand]: 157/163 looper letters, 70 selfloop transitions, 7 changer transitions 0/161 dead transitions. [2022-11-18 21:01:28,221 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 161 transitions, 635 flow [2022-11-18 21:01:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:01:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 21:01:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2022-11-18 21:01:28,223 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7177914110429447 [2022-11-18 21:01:28,223 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2022-11-18 21:01:28,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2022-11-18 21:01:28,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:28,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2022-11-18 21:01:28,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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 21:01:28,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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 21:01:28,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 163.0) internal successors, (652), 4 states have internal predecessors, (652), 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 21:01:28,228 INFO L175 Difference]: Start difference. First operand has 128 places, 140 transitions, 406 flow. Second operand 3 states and 351 transitions. [2022-11-18 21:01:28,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 161 transitions, 635 flow [2022-11-18 21:01:28,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 161 transitions, 617 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:01:28,235 INFO L231 Difference]: Finished difference. Result has 130 places, 144 transitions, 444 flow [2022-11-18 21:01:28,236 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=130, PETRI_TRANSITIONS=144} [2022-11-18 21:01:28,239 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -14 predicate places. [2022-11-18 21:01:28,239 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 144 transitions, 444 flow [2022-11-18 21:01:28,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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 21:01:28,240 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:28,240 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:28,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 21:01:28,241 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:28,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:28,242 INFO L85 PathProgramCache]: Analyzing trace with hash 111640950, now seen corresponding path program 1 times [2022-11-18 21:01:28,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:28,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104234073] [2022-11-18 21:01:28,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:28,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:28,694 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 21:01:28,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:28,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104234073] [2022-11-18 21:01:28,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104234073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:28,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:28,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:01:28,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256111775] [2022-11-18 21:01:28,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:28,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:01:28,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:28,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:01:28,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:01:28,699 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 163 [2022-11-18 21:01:28,700 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 144 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 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 21:01:28,701 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:28,701 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 163 [2022-11-18 21:01:28,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:29,615 INFO L130 PetriNetUnfolder]: 1894/3641 cut-off events. [2022-11-18 21:01:29,615 INFO L131 PetriNetUnfolder]: For 1422/1516 co-relation queries the response was YES. [2022-11-18 21:01:29,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8018 conditions, 3641 events. 1894/3641 cut-off events. For 1422/1516 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 25272 event pairs, 232 based on Foata normal form. 9/3417 useless extension candidates. Maximal degree in co-relation 7878. Up to 1055 conditions per place. [2022-11-18 21:01:29,652 INFO L137 encePairwiseOnDemand]: 158/163 looper letters, 164 selfloop transitions, 4 changer transitions 0/263 dead transitions. [2022-11-18 21:01:29,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 263 transitions, 1194 flow [2022-11-18 21:01:29,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:01:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:01:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 683 transitions. [2022-11-18 21:01:29,656 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6983640081799591 [2022-11-18 21:01:29,656 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 683 transitions. [2022-11-18 21:01:29,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 683 transitions. [2022-11-18 21:01:29,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:29,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 683 transitions. [2022-11-18 21:01:29,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 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 21:01:29,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 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 21:01:29,664 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 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 21:01:29,665 INFO L175 Difference]: Start difference. First operand has 130 places, 144 transitions, 444 flow. Second operand 6 states and 683 transitions. [2022-11-18 21:01:29,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 263 transitions, 1194 flow [2022-11-18 21:01:29,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 263 transitions, 1180 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 21:01:29,676 INFO L231 Difference]: Finished difference. Result has 132 places, 143 transitions, 436 flow [2022-11-18 21:01:29,676 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=436, PETRI_PLACES=132, PETRI_TRANSITIONS=143} [2022-11-18 21:01:29,679 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -12 predicate places. [2022-11-18 21:01:29,680 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 143 transitions, 436 flow [2022-11-18 21:01:29,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.83333333333333) internal successors, (575), 6 states have internal predecessors, (575), 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 21:01:29,680 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:29,681 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] [2022-11-18 21:01:29,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 21:01:29,682 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:29,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:29,683 INFO L85 PathProgramCache]: Analyzing trace with hash 861253183, now seen corresponding path program 1 times [2022-11-18 21:01:29,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:29,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091641176] [2022-11-18 21:01:29,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:29,832 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 21:01:29,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:29,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091641176] [2022-11-18 21:01:29,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091641176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:29,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:29,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:01:29,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515306487] [2022-11-18 21:01:29,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:29,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:01:29,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:29,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:01:29,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:01:29,845 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 163 [2022-11-18 21:01:29,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 143 transitions, 436 flow. Second operand has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 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 21:01:29,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:29,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 163 [2022-11-18 21:01:29,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:30,163 INFO L130 PetriNetUnfolder]: 286/1099 cut-off events. [2022-11-18 21:01:30,163 INFO L131 PetriNetUnfolder]: For 325/362 co-relation queries the response was YES. [2022-11-18 21:01:30,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2091 conditions, 1099 events. 286/1099 cut-off events. For 325/362 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7238 event pairs, 48 based on Foata normal form. 1/963 useless extension candidates. Maximal degree in co-relation 1943. Up to 167 conditions per place. [2022-11-18 21:01:30,174 INFO L137 encePairwiseOnDemand]: 156/163 looper letters, 72 selfloop transitions, 10 changer transitions 0/189 dead transitions. [2022-11-18 21:01:30,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 189 transitions, 745 flow [2022-11-18 21:01:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:01:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 21:01:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 609 transitions. [2022-11-18 21:01:30,177 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.747239263803681 [2022-11-18 21:01:30,177 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 609 transitions. [2022-11-18 21:01:30,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 609 transitions. [2022-11-18 21:01:30,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:30,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 609 transitions. [2022-11-18 21:01:30,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 121.8) internal successors, (609), 5 states have internal predecessors, (609), 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 21:01:30,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 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 21:01:30,183 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 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 21:01:30,183 INFO L175 Difference]: Start difference. First operand has 132 places, 143 transitions, 436 flow. Second operand 5 states and 609 transitions. [2022-11-18 21:01:30,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 189 transitions, 745 flow [2022-11-18 21:01:30,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 189 transitions, 738 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 21:01:30,190 INFO L231 Difference]: Finished difference. Result has 135 places, 149 transitions, 486 flow [2022-11-18 21:01:30,191 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=486, PETRI_PLACES=135, PETRI_TRANSITIONS=149} [2022-11-18 21:01:30,192 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -9 predicate places. [2022-11-18 21:01:30,192 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 149 transitions, 486 flow [2022-11-18 21:01:30,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 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 21:01:30,192 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:30,193 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] [2022-11-18 21:01:30,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 21:01:30,193 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:30,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:30,194 INFO L85 PathProgramCache]: Analyzing trace with hash 479722849, now seen corresponding path program 2 times [2022-11-18 21:01:30,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:30,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595946189] [2022-11-18 21:01:30,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:30,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:30,321 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 21:01:30,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:30,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595946189] [2022-11-18 21:01:30,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595946189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:30,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:30,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 21:01:30,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670971569] [2022-11-18 21:01:30,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:30,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 21:01:30,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:30,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 21:01:30,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 21:01:30,325 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 163 [2022-11-18 21:01:30,325 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 149 transitions, 486 flow. Second operand has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 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 21:01:30,326 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:30,326 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 163 [2022-11-18 21:01:30,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:30,629 INFO L130 PetriNetUnfolder]: 361/1125 cut-off events. [2022-11-18 21:01:30,629 INFO L131 PetriNetUnfolder]: For 579/597 co-relation queries the response was YES. [2022-11-18 21:01:30,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2434 conditions, 1125 events. 361/1125 cut-off events. For 579/597 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 6882 event pairs, 50 based on Foata normal form. 0/1005 useless extension candidates. Maximal degree in co-relation 2288. Up to 215 conditions per place. [2022-11-18 21:01:30,643 INFO L137 encePairwiseOnDemand]: 156/163 looper letters, 87 selfloop transitions, 10 changer transitions 0/188 dead transitions. [2022-11-18 21:01:30,643 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 188 transitions, 834 flow [2022-11-18 21:01:30,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 21:01:30,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 21:01:30,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 610 transitions. [2022-11-18 21:01:30,646 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7484662576687117 [2022-11-18 21:01:30,647 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 610 transitions. [2022-11-18 21:01:30,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 610 transitions. [2022-11-18 21:01:30,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:30,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 610 transitions. [2022-11-18 21:01:30,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 122.0) internal successors, (610), 5 states have internal predecessors, (610), 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 21:01:30,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 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 21:01:30,653 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 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 21:01:30,653 INFO L175 Difference]: Start difference. First operand has 135 places, 149 transitions, 486 flow. Second operand 5 states and 610 transitions. [2022-11-18 21:01:30,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 188 transitions, 834 flow [2022-11-18 21:01:30,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 188 transitions, 804 flow, removed 9 selfloop flow, removed 4 redundant places. [2022-11-18 21:01:30,668 INFO L231 Difference]: Finished difference. Result has 134 places, 139 transitions, 437 flow [2022-11-18 21:01:30,668 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=437, PETRI_PLACES=134, PETRI_TRANSITIONS=139} [2022-11-18 21:01:30,671 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -10 predicate places. [2022-11-18 21:01:30,671 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 139 transitions, 437 flow [2022-11-18 21:01:30,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 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 21:01:30,672 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 21:01:30,672 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 21:01:30,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 21:01:30,673 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2022-11-18 21:01:30,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:01:30,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1378965662, now seen corresponding path program 1 times [2022-11-18 21:01:30,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:01:30,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572611370] [2022-11-18 21:01:30,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:01:30,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:01:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:01:31,245 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 21:01:31,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:01:31,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572611370] [2022-11-18 21:01:31,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572611370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:01:31,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:01:31,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:01:31,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121389414] [2022-11-18 21:01:31,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:01:31,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 21:01:31,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:01:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 21:01:31,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 21:01:31,249 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 163 [2022-11-18 21:01:31,249 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 139 transitions, 437 flow. Second operand has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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 21:01:31,250 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 21:01:31,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 163 [2022-11-18 21:01:31,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 21:01:32,400 INFO L130 PetriNetUnfolder]: 2978/5773 cut-off events. [2022-11-18 21:01:32,400 INFO L131 PetriNetUnfolder]: For 5351/5464 co-relation queries the response was YES. [2022-11-18 21:01:32,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15279 conditions, 5773 events. 2978/5773 cut-off events. For 5351/5464 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 42092 event pairs, 1574 based on Foata normal form. 0/5301 useless extension candidates. Maximal degree in co-relation 9018. Up to 4086 conditions per place. [2022-11-18 21:01:32,434 INFO L137 encePairwiseOnDemand]: 158/163 looper letters, 0 selfloop transitions, 0 changer transitions 198/198 dead transitions. [2022-11-18 21:01:32,434 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 198 transitions, 949 flow [2022-11-18 21:01:32,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 21:01:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 21:01:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2022-11-18 21:01:32,437 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.656441717791411 [2022-11-18 21:01:32,437 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 642 transitions. [2022-11-18 21:01:32,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 642 transitions. [2022-11-18 21:01:32,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:01:32,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 642 transitions. [2022-11-18 21:01:32,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 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 21:01:32,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 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 21:01:32,443 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 163.0) internal successors, (1141), 7 states have internal predecessors, (1141), 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 21:01:32,443 INFO L175 Difference]: Start difference. First operand has 134 places, 139 transitions, 437 flow. Second operand 6 states and 642 transitions. [2022-11-18 21:01:32,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 198 transitions, 949 flow [2022-11-18 21:01:32,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 198 transitions, 949 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 21:01:32,456 INFO L231 Difference]: Finished difference. Result has 138 places, 0 transitions, 0 flow [2022-11-18 21:01:32,457 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=163, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=138, PETRI_TRANSITIONS=0} [2022-11-18 21:01:32,458 INFO L288 CegarLoopForPetriNet]: 144 programPoint places, -6 predicate places. [2022-11-18 21:01:32,458 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 0 transitions, 0 flow [2022-11-18 21:01:32,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.5) internal successors, (585), 6 states have internal predecessors, (585), 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 21:01:32,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2022-11-18 21:01:32,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2022-11-18 21:01:32,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2022-11-18 21:01:32,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2022-11-18 21:01:32,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2022-11-18 21:01:32,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2022-11-18 21:01:32,463 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2022-11-18 21:01:32,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2022-11-18 21:01:32,465 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2022-11-18 21:01:32,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2022-11-18 21:01:32,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2022-11-18 21:01:32,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2022-11-18 21:01:32,466 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2022-11-18 21:01:32,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2022-11-18 21:01:32,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2022-11-18 21:01:32,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2022-11-18 21:01:32,467 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2022-11-18 21:01:32,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2022-11-18 21:01:32,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2022-11-18 21:01:32,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2022-11-18 21:01:32,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2022-11-18 21:01:32,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2022-11-18 21:01:32,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2022-11-18 21:01:32,469 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2022-11-18 21:01:32,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2022-11-18 21:01:32,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2022-11-18 21:01:32,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2022-11-18 21:01:32,472 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2022-11-18 21:01:32,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 54 remaining) [2022-11-18 21:01:32,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 54 remaining) [2022-11-18 21:01:32,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2022-11-18 21:01:32,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2022-11-18 21:01:32,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2022-11-18 21:01:32,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2022-11-18 21:01:32,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2022-11-18 21:01:32,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2022-11-18 21:01:32,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2022-11-18 21:01:32,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2022-11-18 21:01:32,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2022-11-18 21:01:32,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2022-11-18 21:01:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2022-11-18 21:01:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2022-11-18 21:01:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2022-11-18 21:01:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2022-11-18 21:01:32,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2022-11-18 21:01:32,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2022-11-18 21:01:32,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2022-11-18 21:01:32,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2022-11-18 21:01:32,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2022-11-18 21:01:32,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2022-11-18 21:01:32,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2022-11-18 21:01:32,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2022-11-18 21:01:32,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2022-11-18 21:01:32,479 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2022-11-18 21:01:32,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 21:01:32,479 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:01:32,487 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 21:01:32,487 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:01:32,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:01:32 BasicIcfg [2022-11-18 21:01:32,496 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:01:32,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:01:32,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:01:32,497 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:01:32,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:01:25" (3/4) ... [2022-11-18 21:01:32,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 21:01:32,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-18 21:01:32,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-18 21:01:32,517 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-18 21:01:32,517 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 21:01:32,517 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 21:01:32,518 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 21:01:32,569 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 21:01:32,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:01:32,571 INFO L158 Benchmark]: Toolchain (without parser) took 8992.82ms. Allocated memory was 125.8MB in the beginning and 243.3MB in the end (delta: 117.4MB). Free memory was 85.5MB in the beginning and 121.9MB in the end (delta: -36.4MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2022-11-18 21:01:32,571 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:01:32,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 684.37ms. Allocated memory is still 125.8MB. Free memory was 85.3MB in the beginning and 90.0MB in the end (delta: -4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:01:32,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.64ms. Allocated memory is still 125.8MB. Free memory was 89.4MB in the beginning and 87.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:01:32,572 INFO L158 Benchmark]: Boogie Preprocessor took 59.70ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 85.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:01:32,573 INFO L158 Benchmark]: RCFGBuilder took 841.86ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 61.2MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 21:01:32,573 INFO L158 Benchmark]: TraceAbstraction took 7270.22ms. Allocated memory was 125.8MB in the beginning and 243.3MB in the end (delta: 117.4MB). Free memory was 60.2MB in the beginning and 125.1MB in the end (delta: -64.9MB). Peak memory consumption was 130.7MB. Max. memory is 16.1GB. [2022-11-18 21:01:32,574 INFO L158 Benchmark]: Witness Printer took 73.04ms. Allocated memory is still 243.3MB. Free memory was 125.1MB in the beginning and 121.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 21:01:32,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 125.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 684.37ms. Allocated memory is still 125.8MB. Free memory was 85.3MB in the beginning and 90.0MB in the end (delta: -4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.64ms. Allocated memory is still 125.8MB. Free memory was 89.4MB in the beginning and 87.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.70ms. Allocated memory is still 125.8MB. Free memory was 87.5MB in the beginning and 85.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 841.86ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 61.2MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7270.22ms. Allocated memory was 125.8MB in the beginning and 243.3MB in the end (delta: 117.4MB). Free memory was 60.2MB in the beginning and 125.1MB in the end (delta: -64.9MB). Peak memory consumption was 130.7MB. Max. memory is 16.1GB. * Witness Printer took 73.04ms. Allocated memory is still 243.3MB. Free memory was 125.1MB in the beginning and 121.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 768]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 780]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 735]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 731]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 795]: 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 5 procedures, 228 locations, 54 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: 7.0s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 312 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 939 IncrementalHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 72 mSDtfsCounter, 939 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=7, InterpolantAutomatonStates: 38, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 28 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 21:01:32,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d24f29-924b-4df9-9fe3-f7c6c4ad443d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE