./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/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_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/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_b429d322-8bba-4ad6-a5a4-f263e093b709/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 f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:26:33,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:26:33,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:26:33,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:26:33,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:26:33,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:26:33,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:26:33,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:26:33,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:26:33,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:26:33,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:26:33,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:26:33,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:26:33,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:26:33,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:26:33,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:26:33,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:26:33,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:26:33,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:26:33,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:26:33,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:26:33,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:26:33,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:26:33,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:26:33,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:26:33,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:26:33,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:26:33,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:26:33,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:26:33,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:26:33,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:26:33,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:26:33,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:26:33,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:26:33,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:26:33,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:26:33,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:26:33,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:26:33,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:26:33,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:26:33,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:26:33,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:26:33,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:26:33,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:26:33,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:26:33,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:26:33,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:26:33,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:26:33,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:26:33,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:26:33,371 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:26:33,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:26:33,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:26:33,373 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:26:33,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:26:33,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:26:33,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:26:33,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:26:33,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:26:33,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:26:33,375 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:26:33,376 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:26:33,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:26:33,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:26:33,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:26:33,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:26:33,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:26:33,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:26:33,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:33,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:26:33,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:26:33,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:26:33,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:26:33,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:26:33,382 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:26:33,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:26:33,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:26:33,383 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_b429d322-8bba-4ad6-a5a4-f263e093b709/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3514ef3a93910f9ac9453b24d3813c22e07d2a41de38e0bc0d58abd31257770 [2022-11-18 20:26:33,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:26:33,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:26:33,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:26:33,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:26:33,793 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:26:33,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2022-11-18 20:26:33,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/data/ba97b7be1/d32120b2fe7f452a824dfd71ed9c3ebd/FLAG2ccda8e80 [2022-11-18 20:26:34,629 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:26:34,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c [2022-11-18 20:26:34,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/data/ba97b7be1/d32120b2fe7f452a824dfd71ed9c3ebd/FLAG2ccda8e80 [2022-11-18 20:26:34,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/data/ba97b7be1/d32120b2fe7f452a824dfd71ed9c3ebd [2022-11-18 20:26:34,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:26:34,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:26:34,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:34,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:26:34,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:26:34,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:34" (1/1) ... [2022-11-18 20:26:34,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af98f7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:34, skipping insertion in model container [2022-11-18 20:26:34,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:26:34" (1/1) ... [2022-11-18 20:26:35,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:26:35,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:26:35,365 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_b429d322-8bba-4ad6-a5a4-f263e093b709/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2309,2322] [2022-11-18 20:26:35,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:35,392 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:26:35,465 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_b429d322-8bba-4ad6-a5a4-f263e093b709/sv-benchmarks/c/weaver/bench-exp2x4.wvr.c[2309,2322] [2022-11-18 20:26:35,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:26:35,503 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:26:35,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35 WrapperNode [2022-11-18 20:26:35,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:26:35,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:35,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:26:35,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:26:35,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,594 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-18 20:26:35,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:26:35,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:26:35,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:26:35,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:26:35,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,643 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:26:35,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:26:35,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:26:35,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:26:35,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (1/1) ... [2022-11-18 20:26:35,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:26:35,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:26:35,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:26:35,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:26:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:26:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 20:26:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 20:26:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 20:26:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 20:26:35,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 20:26:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 20:26:35,773 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-18 20:26:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-18 20:26:35,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:26:35,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:26:35,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:26:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:26:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:26:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:26:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:26:35,776 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:26:35,976 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:26:35,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:26:36,785 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:26:36,811 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:26:36,812 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 20:26:36,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:36 BoogieIcfgContainer [2022-11-18 20:26:36,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:26:36,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:26:36,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:26:36,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:26:36,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:26:34" (1/3) ... [2022-11-18 20:26:36,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7622ef66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:36, skipping insertion in model container [2022-11-18 20:26:36,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:26:35" (2/3) ... [2022-11-18 20:26:36,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7622ef66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:26:36, skipping insertion in model container [2022-11-18 20:26:36,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:36" (3/3) ... [2022-11-18 20:26:36,834 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2022-11-18 20:26:36,845 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:26:36,858 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:26:36,858 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 51 error locations. [2022-11-18 20:26:36,858 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:26:36,990 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-18 20:26:37,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 338 places, 339 transitions, 710 flow [2022-11-18 20:26:37,234 INFO L130 PetriNetUnfolder]: 14/335 cut-off events. [2022-11-18 20:26:37,235 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 20:26:37,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 335 events. 14/335 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 659 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 229. Up to 2 conditions per place. [2022-11-18 20:26:37,251 INFO L82 GeneralOperation]: Start removeDead. Operand has 338 places, 339 transitions, 710 flow [2022-11-18 20:26:37,262 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 311 places, 310 transitions, 644 flow [2022-11-18 20:26:37,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:26:37,284 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;@5da0670b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:26:37,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2022-11-18 20:26:37,292 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-18 20:26:37,292 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:26:37,293 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:37,294 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] [2022-11-18 20:26:37,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:37,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:37,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1646573743, now seen corresponding path program 1 times [2022-11-18 20:26:37,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:37,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834619973] [2022-11-18 20:26:37,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:37,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:37,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:37,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834619973] [2022-11-18 20:26:37,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834619973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:37,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:37,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:37,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950601048] [2022-11-18 20:26:37,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:37,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:37,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:37,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:37,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:37,745 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 339 [2022-11-18 20:26:37,751 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 310 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:37,751 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:37,752 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 339 [2022-11-18 20:26:37,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:38,110 INFO L130 PetriNetUnfolder]: 73/469 cut-off events. [2022-11-18 20:26:38,111 INFO L131 PetriNetUnfolder]: For 86/93 co-relation queries the response was YES. [2022-11-18 20:26:38,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 469 events. 73/469 cut-off events. For 86/93 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2147 event pairs, 63 based on Foata normal form. 139/515 useless extension candidates. Maximal degree in co-relation 610. Up to 168 conditions per place. [2022-11-18 20:26:38,126 INFO L137 encePairwiseOnDemand]: 331/339 looper letters, 41 selfloop transitions, 2 changer transitions 1/304 dead transitions. [2022-11-18 20:26:38,127 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 304 transitions, 718 flow [2022-11-18 20:26:38,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2022-11-18 20:26:38,163 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8977384464110127 [2022-11-18 20:26:38,165 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 913 transitions. [2022-11-18 20:26:38,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 913 transitions. [2022-11-18 20:26:38,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:38,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 913 transitions. [2022-11-18 20:26:38,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,199 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,201 INFO L175 Difference]: Start difference. First operand has 311 places, 310 transitions, 644 flow. Second operand 3 states and 913 transitions. [2022-11-18 20:26:38,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 304 transitions, 718 flow [2022-11-18 20:26:38,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 304 transitions, 702 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-18 20:26:38,224 INFO L231 Difference]: Finished difference. Result has 304 places, 303 transitions, 618 flow [2022-11-18 20:26:38,227 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=304, PETRI_TRANSITIONS=303} [2022-11-18 20:26:38,236 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -7 predicate places. [2022-11-18 20:26:38,237 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 303 transitions, 618 flow [2022-11-18 20:26:38,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,239 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:38,240 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] [2022-11-18 20:26:38,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:26:38,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:38,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:38,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1799915451, now seen corresponding path program 1 times [2022-11-18 20:26:38,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:38,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665384845] [2022-11-18 20:26:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:38,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:38,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:38,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665384845] [2022-11-18 20:26:38,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665384845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:38,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:38,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:38,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261315475] [2022-11-18 20:26:38,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:38,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:38,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:38,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:38,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:38,387 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 339 [2022-11-18 20:26:38,392 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 303 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,392 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:38,393 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 339 [2022-11-18 20:26:38,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:38,675 INFO L130 PetriNetUnfolder]: 73/467 cut-off events. [2022-11-18 20:26:38,676 INFO L131 PetriNetUnfolder]: For 25/31 co-relation queries the response was YES. [2022-11-18 20:26:38,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 467 events. 73/467 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2200 event pairs, 63 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 651. Up to 165 conditions per place. [2022-11-18 20:26:38,688 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 38 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2022-11-18 20:26:38,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 302 transitions, 696 flow [2022-11-18 20:26:38,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 914 transitions. [2022-11-18 20:26:38,692 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8987217305801377 [2022-11-18 20:26:38,692 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 914 transitions. [2022-11-18 20:26:38,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 914 transitions. [2022-11-18 20:26:38,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:38,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 914 transitions. [2022-11-18 20:26:38,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,700 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,700 INFO L175 Difference]: Start difference. First operand has 304 places, 303 transitions, 618 flow. Second operand 3 states and 914 transitions. [2022-11-18 20:26:38,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 302 transitions, 696 flow [2022-11-18 20:26:38,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 302 transitions, 692 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:38,711 INFO L231 Difference]: Finished difference. Result has 302 places, 302 transitions, 616 flow [2022-11-18 20:26:38,712 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=302, PETRI_TRANSITIONS=302} [2022-11-18 20:26:38,713 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -9 predicate places. [2022-11-18 20:26:38,714 INFO L495 AbstractCegarLoop]: Abstraction has has 302 places, 302 transitions, 616 flow [2022-11-18 20:26:38,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,715 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:38,715 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] [2022-11-18 20:26:38,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:26:38,716 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:38,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:38,718 INFO L85 PathProgramCache]: Analyzing trace with hash 828088460, now seen corresponding path program 1 times [2022-11-18 20:26:38,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:38,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35259857] [2022-11-18 20:26:38,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:38,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:38,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:38,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35259857] [2022-11-18 20:26:38,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35259857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:38,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:38,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:38,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204640271] [2022-11-18 20:26:38,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:38,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:38,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:38,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:38,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:38,830 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 339 [2022-11-18 20:26:38,832 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 302 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:38,832 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:38,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 339 [2022-11-18 20:26:38,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:39,102 INFO L130 PetriNetUnfolder]: 73/466 cut-off events. [2022-11-18 20:26:39,103 INFO L131 PetriNetUnfolder]: For 46/52 co-relation queries the response was YES. [2022-11-18 20:26:39,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 466 events. 73/466 cut-off events. For 46/52 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2223 event pairs, 63 based on Foata normal form. 0/369 useless extension candidates. Maximal degree in co-relation 626. Up to 168 conditions per place. [2022-11-18 20:26:39,119 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 41 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2022-11-18 20:26:39,120 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 301 transitions, 700 flow [2022-11-18 20:26:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2022-11-18 20:26:39,126 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8928220255653884 [2022-11-18 20:26:39,126 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 908 transitions. [2022-11-18 20:26:39,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 908 transitions. [2022-11-18 20:26:39,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:39,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 908 transitions. [2022-11-18 20:26:39,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,138 INFO L175 Difference]: Start difference. First operand has 302 places, 302 transitions, 616 flow. Second operand 3 states and 908 transitions. [2022-11-18 20:26:39,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 301 transitions, 700 flow [2022-11-18 20:26:39,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 301 transitions, 696 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:39,149 INFO L231 Difference]: Finished difference. Result has 301 places, 301 transitions, 614 flow [2022-11-18 20:26:39,150 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=301, PETRI_TRANSITIONS=301} [2022-11-18 20:26:39,151 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -10 predicate places. [2022-11-18 20:26:39,151 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 301 transitions, 614 flow [2022-11-18 20:26:39,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,153 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:39,153 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:39,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:26:39,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:39,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:39,155 INFO L85 PathProgramCache]: Analyzing trace with hash -791116469, now seen corresponding path program 1 times [2022-11-18 20:26:39,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:39,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930845331] [2022-11-18 20:26:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:39,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:39,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:39,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930845331] [2022-11-18 20:26:39,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930845331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:39,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:39,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:39,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337087231] [2022-11-18 20:26:39,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:39,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:39,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:39,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:39,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:39,232 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 339 [2022-11-18 20:26:39,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 301 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:39,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 339 [2022-11-18 20:26:39,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:39,448 INFO L130 PetriNetUnfolder]: 73/465 cut-off events. [2022-11-18 20:26:39,448 INFO L131 PetriNetUnfolder]: For 67/73 co-relation queries the response was YES. [2022-11-18 20:26:39,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 465 events. 73/465 cut-off events. For 67/73 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2263 event pairs, 63 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 594. Up to 164 conditions per place. [2022-11-18 20:26:39,460 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 37 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-18 20:26:39,461 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 300 transitions, 690 flow [2022-11-18 20:26:39,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2022-11-18 20:26:39,465 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8977384464110127 [2022-11-18 20:26:39,465 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 913 transitions. [2022-11-18 20:26:39,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 913 transitions. [2022-11-18 20:26:39,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:39,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 913 transitions. [2022-11-18 20:26:39,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,474 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,474 INFO L175 Difference]: Start difference. First operand has 301 places, 301 transitions, 614 flow. Second operand 3 states and 913 transitions. [2022-11-18 20:26:39,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 300 transitions, 690 flow [2022-11-18 20:26:39,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 300 transitions, 686 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:39,483 INFO L231 Difference]: Finished difference. Result has 300 places, 300 transitions, 612 flow [2022-11-18 20:26:39,484 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=300, PETRI_TRANSITIONS=300} [2022-11-18 20:26:39,485 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -11 predicate places. [2022-11-18 20:26:39,485 INFO L495 AbstractCegarLoop]: Abstraction has has 300 places, 300 transitions, 612 flow [2022-11-18 20:26:39,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,486 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:39,487 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] [2022-11-18 20:26:39,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:26:39,487 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:39,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1672959698, now seen corresponding path program 1 times [2022-11-18 20:26:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:39,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624718707] [2022-11-18 20:26:39,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:39,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:39,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:39,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624718707] [2022-11-18 20:26:39,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624718707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:39,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:39,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:39,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919312613] [2022-11-18 20:26:39,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:39,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:39,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:39,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:39,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:39,586 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 339 [2022-11-18 20:26:39,588 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 300 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:39,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:39,588 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 339 [2022-11-18 20:26:39,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:41,119 INFO L130 PetriNetUnfolder]: 1030/6287 cut-off events. [2022-11-18 20:26:41,119 INFO L131 PetriNetUnfolder]: For 85/193 co-relation queries the response was YES. [2022-11-18 20:26:41,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7662 conditions, 6287 events. 1030/6287 cut-off events. For 85/193 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 71348 event pairs, 855 based on Foata normal form. 0/4658 useless extension candidates. Maximal degree in co-relation 7611. Up to 1284 conditions per place. [2022-11-18 20:26:41,250 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 23 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2022-11-18 20:26:41,250 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 299 transitions, 660 flow [2022-11-18 20:26:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:41,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:41,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2022-11-18 20:26:41,254 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.928220255653884 [2022-11-18 20:26:41,255 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2022-11-18 20:26:41,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2022-11-18 20:26:41,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:41,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2022-11-18 20:26:41,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,264 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,264 INFO L175 Difference]: Start difference. First operand has 300 places, 300 transitions, 612 flow. Second operand 3 states and 944 transitions. [2022-11-18 20:26:41,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 299 transitions, 660 flow [2022-11-18 20:26:41,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 299 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:41,272 INFO L231 Difference]: Finished difference. Result has 299 places, 299 transitions, 610 flow [2022-11-18 20:26:41,273 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=610, PETRI_PLACES=299, PETRI_TRANSITIONS=299} [2022-11-18 20:26:41,274 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -12 predicate places. [2022-11-18 20:26:41,275 INFO L495 AbstractCegarLoop]: Abstraction has has 299 places, 299 transitions, 610 flow [2022-11-18 20:26:41,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,276 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:41,276 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] [2022-11-18 20:26:41,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:26:41,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:41,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:41,278 INFO L85 PathProgramCache]: Analyzing trace with hash 2029348638, now seen corresponding path program 1 times [2022-11-18 20:26:41,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:41,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022952150] [2022-11-18 20:26:41,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:41,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:41,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:41,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022952150] [2022-11-18 20:26:41,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022952150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:41,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:41,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:41,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125114778] [2022-11-18 20:26:41,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:41,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:41,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:41,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:41,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:41,336 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 339 [2022-11-18 20:26:41,338 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 299 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,338 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:41,338 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 339 [2022-11-18 20:26:41,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:41,495 INFO L130 PetriNetUnfolder]: 58/430 cut-off events. [2022-11-18 20:26:41,495 INFO L131 PetriNetUnfolder]: For 4/9 co-relation queries the response was YES. [2022-11-18 20:26:41,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 430 events. 58/430 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1889 event pairs, 30 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 561. Up to 88 conditions per place. [2022-11-18 20:26:41,505 INFO L137 encePairwiseOnDemand]: 326/339 looper letters, 31 selfloop transitions, 5 changer transitions 0/295 dead transitions. [2022-11-18 20:26:41,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 295 transitions, 677 flow [2022-11-18 20:26:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 917 transitions. [2022-11-18 20:26:41,509 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9016715830875123 [2022-11-18 20:26:41,509 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 917 transitions. [2022-11-18 20:26:41,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 917 transitions. [2022-11-18 20:26:41,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:41,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 917 transitions. [2022-11-18 20:26:41,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,518 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,518 INFO L175 Difference]: Start difference. First operand has 299 places, 299 transitions, 610 flow. Second operand 3 states and 917 transitions. [2022-11-18 20:26:41,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 295 transitions, 677 flow [2022-11-18 20:26:41,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 295 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:41,527 INFO L231 Difference]: Finished difference. Result has 292 places, 292 transitions, 609 flow [2022-11-18 20:26:41,527 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=292, PETRI_TRANSITIONS=292} [2022-11-18 20:26:41,528 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -19 predicate places. [2022-11-18 20:26:41,529 INFO L495 AbstractCegarLoop]: Abstraction has has 292 places, 292 transitions, 609 flow [2022-11-18 20:26:41,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,530 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:41,530 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] [2022-11-18 20:26:41,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:26:41,531 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:41,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:41,532 INFO L85 PathProgramCache]: Analyzing trace with hash 288903256, now seen corresponding path program 1 times [2022-11-18 20:26:41,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:41,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916827526] [2022-11-18 20:26:41,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:41,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:41,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:41,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916827526] [2022-11-18 20:26:41,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916827526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:41,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:41,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:41,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901586845] [2022-11-18 20:26:41,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:41,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:41,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:41,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:41,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:41,628 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 339 [2022-11-18 20:26:41,630 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 292 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,630 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:41,630 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 339 [2022-11-18 20:26:41,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:41,818 INFO L130 PetriNetUnfolder]: 58/424 cut-off events. [2022-11-18 20:26:41,818 INFO L131 PetriNetUnfolder]: For 22/26 co-relation queries the response was YES. [2022-11-18 20:26:41,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 424 events. 58/424 cut-off events. For 22/26 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1894 event pairs, 30 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 522. Up to 86 conditions per place. [2022-11-18 20:26:41,829 INFO L137 encePairwiseOnDemand]: 327/339 looper letters, 29 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2022-11-18 20:26:41,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 289 transitions, 674 flow [2022-11-18 20:26:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 923 transitions. [2022-11-18 20:26:41,833 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9075712881022615 [2022-11-18 20:26:41,833 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 923 transitions. [2022-11-18 20:26:41,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 923 transitions. [2022-11-18 20:26:41,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:41,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 923 transitions. [2022-11-18 20:26:41,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 307.6666666666667) internal successors, (923), 3 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,841 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,841 INFO L175 Difference]: Start difference. First operand has 292 places, 292 transitions, 609 flow. Second operand 3 states and 923 transitions. [2022-11-18 20:26:41,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 289 transitions, 674 flow [2022-11-18 20:26:41,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 289 transitions, 669 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:26:41,851 INFO L231 Difference]: Finished difference. Result has 287 places, 286 transitions, 609 flow [2022-11-18 20:26:41,852 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=609, PETRI_PLACES=287, PETRI_TRANSITIONS=286} [2022-11-18 20:26:41,853 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -24 predicate places. [2022-11-18 20:26:41,854 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 286 transitions, 609 flow [2022-11-18 20:26:41,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,855 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:41,855 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] [2022-11-18 20:26:41,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:26:41,856 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:41,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:41,856 INFO L85 PathProgramCache]: Analyzing trace with hash -56840848, now seen corresponding path program 1 times [2022-11-18 20:26:41,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:41,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079387672] [2022-11-18 20:26:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:41,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:41,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:41,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079387672] [2022-11-18 20:26:41,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079387672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:41,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:41,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:41,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479422559] [2022-11-18 20:26:41,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:41,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:41,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:41,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:41,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:41,964 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 291 out of 339 [2022-11-18 20:26:41,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 286 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:41,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:41,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 291 of 339 [2022-11-18 20:26:41,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:42,190 INFO L130 PetriNetUnfolder]: 66/694 cut-off events. [2022-11-18 20:26:42,190 INFO L131 PetriNetUnfolder]: For 42/46 co-relation queries the response was YES. [2022-11-18 20:26:42,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 888 conditions, 694 events. 66/694 cut-off events. For 42/46 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3650 event pairs, 29 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 783. Up to 89 conditions per place. [2022-11-18 20:26:42,204 INFO L137 encePairwiseOnDemand]: 325/339 looper letters, 34 selfloop transitions, 6 changer transitions 0/286 dead transitions. [2022-11-18 20:26:42,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 286 transitions, 695 flow [2022-11-18 20:26:42,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 921 transitions. [2022-11-18 20:26:42,208 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9056047197640118 [2022-11-18 20:26:42,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 921 transitions. [2022-11-18 20:26:42,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 921 transitions. [2022-11-18 20:26:42,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:42,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 921 transitions. [2022-11-18 20:26:42,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,220 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,220 INFO L175 Difference]: Start difference. First operand has 287 places, 286 transitions, 609 flow. Second operand 3 states and 921 transitions. [2022-11-18 20:26:42,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 286 transitions, 695 flow [2022-11-18 20:26:42,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 286 transitions, 690 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:26:42,229 INFO L231 Difference]: Finished difference. Result has 281 places, 280 transitions, 614 flow [2022-11-18 20:26:42,229 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=588, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=281, PETRI_TRANSITIONS=280} [2022-11-18 20:26:42,234 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -30 predicate places. [2022-11-18 20:26:42,234 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 280 transitions, 614 flow [2022-11-18 20:26:42,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 292.3333333333333) internal successors, (877), 3 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,235 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:42,235 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] [2022-11-18 20:26:42,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:26:42,236 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:42,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:42,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1210543465, now seen corresponding path program 1 times [2022-11-18 20:26:42,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:42,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561288799] [2022-11-18 20:26:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:42,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:42,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:42,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561288799] [2022-11-18 20:26:42,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561288799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:42,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:42,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:26:42,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987519814] [2022-11-18 20:26:42,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:42,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:26:42,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:42,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:26:42,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:26:42,374 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 339 [2022-11-18 20:26:42,376 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 280 transitions, 614 flow. Second operand has 4 states, 4 states have (on average 313.25) internal successors, (1253), 4 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,376 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:42,377 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 339 [2022-11-18 20:26:42,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:42,540 INFO L130 PetriNetUnfolder]: 12/467 cut-off events. [2022-11-18 20:26:42,540 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-18 20:26:42,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 467 events. 12/467 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1663 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 377. Up to 27 conditions per place. [2022-11-18 20:26:42,550 INFO L137 encePairwiseOnDemand]: 333/339 looper letters, 22 selfloop transitions, 5 changer transitions 0/287 dead transitions. [2022-11-18 20:26:42,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 287 transitions, 682 flow [2022-11-18 20:26:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:26:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-18 20:26:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1588 transitions. [2022-11-18 20:26:42,556 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9368731563421829 [2022-11-18 20:26:42,556 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1588 transitions. [2022-11-18 20:26:42,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1588 transitions. [2022-11-18 20:26:42,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:42,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1588 transitions. [2022-11-18 20:26:42,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 317.6) internal successors, (1588), 5 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 339.0) internal successors, (2034), 6 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,570 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 339.0) internal successors, (2034), 6 states have internal predecessors, (2034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,571 INFO L175 Difference]: Start difference. First operand has 281 places, 280 transitions, 614 flow. Second operand 5 states and 1588 transitions. [2022-11-18 20:26:42,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 287 transitions, 682 flow [2022-11-18 20:26:42,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 287 transitions, 676 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:26:42,580 INFO L231 Difference]: Finished difference. Result has 288 places, 284 transitions, 646 flow [2022-11-18 20:26:42,581 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=646, PETRI_PLACES=288, PETRI_TRANSITIONS=284} [2022-11-18 20:26:42,583 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -23 predicate places. [2022-11-18 20:26:42,583 INFO L495 AbstractCegarLoop]: Abstraction has has 288 places, 284 transitions, 646 flow [2022-11-18 20:26:42,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 313.25) internal successors, (1253), 4 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,586 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:42,586 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] [2022-11-18 20:26:42,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:26:42,587 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:42,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:42,587 INFO L85 PathProgramCache]: Analyzing trace with hash 230395390, now seen corresponding path program 1 times [2022-11-18 20:26:42,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:42,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192502400] [2022-11-18 20:26:42,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:42,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:42,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:42,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192502400] [2022-11-18 20:26:42,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192502400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:42,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:42,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:42,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490796419] [2022-11-18 20:26:42,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:42,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:42,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:42,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:42,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:42,705 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 339 [2022-11-18 20:26:42,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 284 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:42,707 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:42,707 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 339 [2022-11-18 20:26:42,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:43,086 INFO L130 PetriNetUnfolder]: 100/1011 cut-off events. [2022-11-18 20:26:43,087 INFO L131 PetriNetUnfolder]: For 93/97 co-relation queries the response was YES. [2022-11-18 20:26:43,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1321 conditions, 1011 events. 100/1011 cut-off events. For 93/97 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6289 event pairs, 48 based on Foata normal form. 1/894 useless extension candidates. Maximal degree in co-relation 1004. Up to 135 conditions per place. [2022-11-18 20:26:43,106 INFO L137 encePairwiseOnDemand]: 327/339 looper letters, 30 selfloop transitions, 5 changer transitions 11/285 dead transitions. [2022-11-18 20:26:43,107 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 285 transitions, 729 flow [2022-11-18 20:26:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:43,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 926 transitions. [2022-11-18 20:26:43,111 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9105211406096362 [2022-11-18 20:26:43,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 926 transitions. [2022-11-18 20:26:43,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 926 transitions. [2022-11-18 20:26:43,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:43,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 926 transitions. [2022-11-18 20:26:43,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 308.6666666666667) internal successors, (926), 3 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,120 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,121 INFO L175 Difference]: Start difference. First operand has 288 places, 284 transitions, 646 flow. Second operand 3 states and 926 transitions. [2022-11-18 20:26:43,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 285 transitions, 729 flow [2022-11-18 20:26:43,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 285 transitions, 729 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:26:43,132 INFO L231 Difference]: Finished difference. Result has 284 places, 267 transitions, 628 flow [2022-11-18 20:26:43,134 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=628, PETRI_PLACES=284, PETRI_TRANSITIONS=267} [2022-11-18 20:26:43,135 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -27 predicate places. [2022-11-18 20:26:43,136 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 267 transitions, 628 flow [2022-11-18 20:26:43,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,137 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:43,137 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:43,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:26:43,138 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:43,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:43,138 INFO L85 PathProgramCache]: Analyzing trace with hash -920496575, now seen corresponding path program 1 times [2022-11-18 20:26:43,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:43,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334553081] [2022-11-18 20:26:43,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:43,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:43,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:43,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334553081] [2022-11-18 20:26:43,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334553081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:43,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:43,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:43,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874365573] [2022-11-18 20:26:43,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:43,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:43,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:43,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:43,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:43,288 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 339 [2022-11-18 20:26:43,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 267 transitions, 628 flow. Second operand has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:43,291 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:43,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 339 [2022-11-18 20:26:43,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:44,573 INFO L130 PetriNetUnfolder]: 738/5742 cut-off events. [2022-11-18 20:26:44,574 INFO L131 PetriNetUnfolder]: For 174/300 co-relation queries the response was YES. [2022-11-18 20:26:44,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7518 conditions, 5742 events. 738/5742 cut-off events. For 174/300 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 63746 event pairs, 349 based on Foata normal form. 0/4987 useless extension candidates. Maximal degree in co-relation 5488. Up to 924 conditions per place. [2022-11-18 20:26:44,661 INFO L137 encePairwiseOnDemand]: 331/339 looper letters, 20 selfloop transitions, 4 changer transitions 0/270 dead transitions. [2022-11-18 20:26:44,662 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 270 transitions, 685 flow [2022-11-18 20:26:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2022-11-18 20:26:44,665 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9390363815142576 [2022-11-18 20:26:44,666 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 955 transitions. [2022-11-18 20:26:44,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 955 transitions. [2022-11-18 20:26:44,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:44,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 955 transitions. [2022-11-18 20:26:44,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:44,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:44,673 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:44,673 INFO L175 Difference]: Start difference. First operand has 284 places, 267 transitions, 628 flow. Second operand 3 states and 955 transitions. [2022-11-18 20:26:44,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 270 transitions, 685 flow [2022-11-18 20:26:44,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 270 transitions, 680 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:26:44,684 INFO L231 Difference]: Finished difference. Result has 271 places, 267 transitions, 643 flow [2022-11-18 20:26:44,685 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=271, PETRI_TRANSITIONS=267} [2022-11-18 20:26:44,686 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -40 predicate places. [2022-11-18 20:26:44,686 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 267 transitions, 643 flow [2022-11-18 20:26:44,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.6666666666667) internal successors, (932), 3 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:44,687 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:44,687 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:44,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:26:44,688 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:44,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:44,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1958624826, now seen corresponding path program 1 times [2022-11-18 20:26:44,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:44,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346398302] [2022-11-18 20:26:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:44,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:44,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346398302] [2022-11-18 20:26:44,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346398302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:44,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:44,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:44,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813106874] [2022-11-18 20:26:44,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:44,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:44,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:44,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:44,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:44,745 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 339 [2022-11-18 20:26:44,746 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 267 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:44,746 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:44,747 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 339 [2022-11-18 20:26:44,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:45,223 INFO L130 PetriNetUnfolder]: 300/1926 cut-off events. [2022-11-18 20:26:45,223 INFO L131 PetriNetUnfolder]: For 46/61 co-relation queries the response was YES. [2022-11-18 20:26:45,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2953 conditions, 1926 events. 300/1926 cut-off events. For 46/61 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 16667 event pairs, 163 based on Foata normal form. 0/1719 useless extension candidates. Maximal degree in co-relation 1945. Up to 384 conditions per place. [2022-11-18 20:26:45,267 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 32 selfloop transitions, 2 changer transitions 0/269 dead transitions. [2022-11-18 20:26:45,268 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 269 transitions, 718 flow [2022-11-18 20:26:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2022-11-18 20:26:45,271 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8859390363815143 [2022-11-18 20:26:45,271 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2022-11-18 20:26:45,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2022-11-18 20:26:45,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:45,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2022-11-18 20:26:45,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:45,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:45,300 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:45,300 INFO L175 Difference]: Start difference. First operand has 271 places, 267 transitions, 643 flow. Second operand 3 states and 901 transitions. [2022-11-18 20:26:45,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 269 transitions, 718 flow [2022-11-18 20:26:45,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 269 transitions, 718 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 20:26:45,308 INFO L231 Difference]: Finished difference. Result has 272 places, 266 transitions, 645 flow [2022-11-18 20:26:45,309 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=645, PETRI_PLACES=272, PETRI_TRANSITIONS=266} [2022-11-18 20:26:45,310 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -39 predicate places. [2022-11-18 20:26:45,310 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 266 transitions, 645 flow [2022-11-18 20:26:45,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:45,311 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:45,311 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:45,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:26:45,312 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:45,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:45,313 INFO L85 PathProgramCache]: Analyzing trace with hash -189686167, now seen corresponding path program 1 times [2022-11-18 20:26:45,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:45,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578555348] [2022-11-18 20:26:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:45,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:45,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:45,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578555348] [2022-11-18 20:26:45,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578555348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:45,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:45,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:45,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918822781] [2022-11-18 20:26:45,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:45,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:45,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:45,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:45,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:45,390 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 339 [2022-11-18 20:26:45,391 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 266 transitions, 645 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:45,391 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:45,391 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 339 [2022-11-18 20:26:45,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:45,970 INFO L130 PetriNetUnfolder]: 413/2149 cut-off events. [2022-11-18 20:26:45,970 INFO L131 PetriNetUnfolder]: For 124/145 co-relation queries the response was YES. [2022-11-18 20:26:46,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3500 conditions, 2149 events. 413/2149 cut-off events. For 124/145 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 18985 event pairs, 253 based on Foata normal form. 0/1940 useless extension candidates. Maximal degree in co-relation 3377. Up to 604 conditions per place. [2022-11-18 20:26:46,021 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 30 selfloop transitions, 2 changer transitions 0/268 dead transitions. [2022-11-18 20:26:46,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 268 transitions, 716 flow [2022-11-18 20:26:46,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:46,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2022-11-18 20:26:46,025 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8928220255653884 [2022-11-18 20:26:46,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 908 transitions. [2022-11-18 20:26:46,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 908 transitions. [2022-11-18 20:26:46,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:46,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 908 transitions. [2022-11-18 20:26:46,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,033 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,033 INFO L175 Difference]: Start difference. First operand has 272 places, 266 transitions, 645 flow. Second operand 3 states and 908 transitions. [2022-11-18 20:26:46,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 268 transitions, 716 flow [2022-11-18 20:26:46,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 268 transitions, 712 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:46,042 INFO L231 Difference]: Finished difference. Result has 271 places, 265 transitions, 643 flow [2022-11-18 20:26:46,042 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=271, PETRI_TRANSITIONS=265} [2022-11-18 20:26:46,043 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -40 predicate places. [2022-11-18 20:26:46,043 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 265 transitions, 643 flow [2022-11-18 20:26:46,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,044 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:46,044 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:46,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:26:46,045 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:46,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:46,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1171687955, now seen corresponding path program 1 times [2022-11-18 20:26:46,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:46,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465970112] [2022-11-18 20:26:46,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:46,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:46,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:46,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465970112] [2022-11-18 20:26:46,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465970112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:46,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:46,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:46,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845835283] [2022-11-18 20:26:46,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:46,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:46,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:46,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:46,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:46,104 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 339 [2022-11-18 20:26:46,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 265 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,105 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:46,106 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 339 [2022-11-18 20:26:46,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:46,632 INFO L130 PetriNetUnfolder]: 291/1893 cut-off events. [2022-11-18 20:26:46,633 INFO L131 PetriNetUnfolder]: For 58/73 co-relation queries the response was YES. [2022-11-18 20:26:46,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2915 conditions, 1893 events. 291/1893 cut-off events. For 58/73 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 16262 event pairs, 154 based on Foata normal form. 0/1710 useless extension candidates. Maximal degree in co-relation 2603. Up to 363 conditions per place. [2022-11-18 20:26:46,669 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 31 selfloop transitions, 2 changer transitions 0/267 dead transitions. [2022-11-18 20:26:46,670 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 267 transitions, 716 flow [2022-11-18 20:26:46,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 900 transitions. [2022-11-18 20:26:46,673 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8849557522123894 [2022-11-18 20:26:46,674 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 900 transitions. [2022-11-18 20:26:46,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 900 transitions. [2022-11-18 20:26:46,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:46,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 900 transitions. [2022-11-18 20:26:46,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,681 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,681 INFO L175 Difference]: Start difference. First operand has 271 places, 265 transitions, 643 flow. Second operand 3 states and 900 transitions. [2022-11-18 20:26:46,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 267 transitions, 716 flow [2022-11-18 20:26:46,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 267 transitions, 712 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:46,690 INFO L231 Difference]: Finished difference. Result has 270 places, 264 transitions, 641 flow [2022-11-18 20:26:46,691 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=641, PETRI_PLACES=270, PETRI_TRANSITIONS=264} [2022-11-18 20:26:46,691 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -41 predicate places. [2022-11-18 20:26:46,691 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 264 transitions, 641 flow [2022-11-18 20:26:46,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,692 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:46,692 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:46,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:26:46,693 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:46,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:46,694 INFO L85 PathProgramCache]: Analyzing trace with hash -2089280090, now seen corresponding path program 1 times [2022-11-18 20:26:46,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:46,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616868154] [2022-11-18 20:26:46,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:46,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:46,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:46,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616868154] [2022-11-18 20:26:46,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616868154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:46,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:46,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:46,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244392055] [2022-11-18 20:26:46,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:46,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:46,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:46,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:46,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:46,755 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 339 [2022-11-18 20:26:46,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 264 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:46,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:46,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 339 [2022-11-18 20:26:46,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:47,286 INFO L130 PetriNetUnfolder]: 311/1880 cut-off events. [2022-11-18 20:26:47,287 INFO L131 PetriNetUnfolder]: For 141/165 co-relation queries the response was YES. [2022-11-18 20:26:47,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2937 conditions, 1880 events. 311/1880 cut-off events. For 141/165 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 15689 event pairs, 173 based on Foata normal form. 0/1695 useless extension candidates. Maximal degree in co-relation 2858. Up to 479 conditions per place. [2022-11-18 20:26:47,318 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 33 selfloop transitions, 2 changer transitions 0/266 dead transitions. [2022-11-18 20:26:47,319 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 266 transitions, 718 flow [2022-11-18 20:26:47,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 901 transitions. [2022-11-18 20:26:47,322 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8859390363815143 [2022-11-18 20:26:47,322 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 901 transitions. [2022-11-18 20:26:47,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 901 transitions. [2022-11-18 20:26:47,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:47,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 901 transitions. [2022-11-18 20:26:47,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:47,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:47,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:47,329 INFO L175 Difference]: Start difference. First operand has 270 places, 264 transitions, 641 flow. Second operand 3 states and 901 transitions. [2022-11-18 20:26:47,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 266 transitions, 718 flow [2022-11-18 20:26:47,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 266 transitions, 714 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:47,335 INFO L231 Difference]: Finished difference. Result has 269 places, 263 transitions, 639 flow [2022-11-18 20:26:47,336 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=269, PETRI_TRANSITIONS=263} [2022-11-18 20:26:47,337 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -42 predicate places. [2022-11-18 20:26:47,337 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 263 transitions, 639 flow [2022-11-18 20:26:47,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:47,338 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:47,338 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:47,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:26:47,338 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:47,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:47,339 INFO L85 PathProgramCache]: Analyzing trace with hash -330878859, now seen corresponding path program 1 times [2022-11-18 20:26:47,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:47,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532131848] [2022-11-18 20:26:47,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:47,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:47,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:47,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532131848] [2022-11-18 20:26:47,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532131848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:47,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:47,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:26:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811376129] [2022-11-18 20:26:47,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:47,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:26:47,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:47,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:26:47,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:26:47,956 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 339 [2022-11-18 20:26:47,958 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 263 transitions, 639 flow. Second operand has 6 states, 6 states have (on average 296.1666666666667) internal successors, (1777), 6 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:47,958 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:47,958 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 339 [2022-11-18 20:26:47,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:48,391 INFO L130 PetriNetUnfolder]: 88/1216 cut-off events. [2022-11-18 20:26:48,391 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-18 20:26:48,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1656 conditions, 1216 events. 88/1216 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 8171 event pairs, 8 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1430. Up to 108 conditions per place. [2022-11-18 20:26:48,415 INFO L137 encePairwiseOnDemand]: 334/339 looper letters, 30 selfloop transitions, 4 changer transitions 0/262 dead transitions. [2022-11-18 20:26:48,415 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 262 transitions, 705 flow [2022-11-18 20:26:48,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:26:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:26:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1799 transitions. [2022-11-18 20:26:48,421 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.884464110127827 [2022-11-18 20:26:48,421 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1799 transitions. [2022-11-18 20:26:48,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1799 transitions. [2022-11-18 20:26:48,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:48,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1799 transitions. [2022-11-18 20:26:48,427 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 299.8333333333333) internal successors, (1799), 6 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:48,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 339.0) internal successors, (2373), 7 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:48,432 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 339.0) internal successors, (2373), 7 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:48,433 INFO L175 Difference]: Start difference. First operand has 269 places, 263 transitions, 639 flow. Second operand 6 states and 1799 transitions. [2022-11-18 20:26:48,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 262 transitions, 705 flow [2022-11-18 20:26:48,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 262 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:48,440 INFO L231 Difference]: Finished difference. Result has 271 places, 262 transitions, 641 flow [2022-11-18 20:26:48,441 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=641, PETRI_PLACES=271, PETRI_TRANSITIONS=262} [2022-11-18 20:26:48,441 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -40 predicate places. [2022-11-18 20:26:48,443 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 262 transitions, 641 flow [2022-11-18 20:26:48,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 296.1666666666667) internal successors, (1777), 6 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:48,446 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:48,446 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:48,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 20:26:48,447 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:48,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:48,448 INFO L85 PathProgramCache]: Analyzing trace with hash 401198925, now seen corresponding path program 1 times [2022-11-18 20:26:48,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:48,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035340550] [2022-11-18 20:26:48,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:48,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:48,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:48,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035340550] [2022-11-18 20:26:48,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035340550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:48,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:48,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:48,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931696130] [2022-11-18 20:26:48,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:48,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:48,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:48,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:48,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:48,509 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 339 [2022-11-18 20:26:48,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 262 transitions, 641 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:48,511 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:48,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 339 [2022-11-18 20:26:48,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:49,015 INFO L130 PetriNetUnfolder]: 398/2091 cut-off events. [2022-11-18 20:26:49,016 INFO L131 PetriNetUnfolder]: For 118/139 co-relation queries the response was YES. [2022-11-18 20:26:49,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3400 conditions, 2091 events. 398/2091 cut-off events. For 118/139 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 18403 event pairs, 238 based on Foata normal form. 0/1925 useless extension candidates. Maximal degree in co-relation 2858. Up to 568 conditions per place. [2022-11-18 20:26:49,059 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 29 selfloop transitions, 2 changer transitions 0/264 dead transitions. [2022-11-18 20:26:49,059 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 264 transitions, 710 flow [2022-11-18 20:26:49,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 907 transitions. [2022-11-18 20:26:49,062 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8918387413962635 [2022-11-18 20:26:49,063 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 907 transitions. [2022-11-18 20:26:49,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 907 transitions. [2022-11-18 20:26:49,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:49,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 907 transitions. [2022-11-18 20:26:49,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,069 INFO L175 Difference]: Start difference. First operand has 271 places, 262 transitions, 641 flow. Second operand 3 states and 907 transitions. [2022-11-18 20:26:49,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 264 transitions, 710 flow [2022-11-18 20:26:49,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 264 transitions, 703 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:26:49,077 INFO L231 Difference]: Finished difference. Result has 268 places, 261 transitions, 636 flow [2022-11-18 20:26:49,078 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=268, PETRI_TRANSITIONS=261} [2022-11-18 20:26:49,078 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -43 predicate places. [2022-11-18 20:26:49,078 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 261 transitions, 636 flow [2022-11-18 20:26:49,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,079 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:49,079 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:49,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 20:26:49,080 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:49,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1399815823, now seen corresponding path program 1 times [2022-11-18 20:26:49,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:49,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849130395] [2022-11-18 20:26:49,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:49,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:49,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:49,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849130395] [2022-11-18 20:26:49,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849130395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:49,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:49,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:49,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588207553] [2022-11-18 20:26:49,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:49,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:49,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:49,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:49,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:49,162 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 339 [2022-11-18 20:26:49,163 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 261 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,163 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:49,163 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 339 [2022-11-18 20:26:49,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:49,535 INFO L130 PetriNetUnfolder]: 218/1568 cut-off events. [2022-11-18 20:26:49,536 INFO L131 PetriNetUnfolder]: For 164/174 co-relation queries the response was YES. [2022-11-18 20:26:49,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2298 conditions, 1568 events. 218/1568 cut-off events. For 164/174 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 11925 event pairs, 108 based on Foata normal form. 0/1425 useless extension candidates. Maximal degree in co-relation 2140. Up to 313 conditions per place. [2022-11-18 20:26:49,567 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 30 selfloop transitions, 2 changer transitions 0/263 dead transitions. [2022-11-18 20:26:49,568 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 263 transitions, 707 flow [2022-11-18 20:26:49,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 908 transitions. [2022-11-18 20:26:49,571 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8928220255653884 [2022-11-18 20:26:49,572 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 908 transitions. [2022-11-18 20:26:49,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 908 transitions. [2022-11-18 20:26:49,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:49,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 908 transitions. [2022-11-18 20:26:49,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,579 INFO L175 Difference]: Start difference. First operand has 268 places, 261 transitions, 636 flow. Second operand 3 states and 908 transitions. [2022-11-18 20:26:49,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 263 transitions, 707 flow [2022-11-18 20:26:49,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 263 transitions, 703 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:49,586 INFO L231 Difference]: Finished difference. Result has 267 places, 260 transitions, 634 flow [2022-11-18 20:26:49,587 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=267, PETRI_TRANSITIONS=260} [2022-11-18 20:26:49,588 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -44 predicate places. [2022-11-18 20:26:49,588 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 260 transitions, 634 flow [2022-11-18 20:26:49,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,589 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:49,589 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:49,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 20:26:49,590 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:49,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:49,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1591202643, now seen corresponding path program 1 times [2022-11-18 20:26:49,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:49,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127483028] [2022-11-18 20:26:49,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:49,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:49,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:49,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127483028] [2022-11-18 20:26:49,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127483028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:49,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:49,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:49,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898206502] [2022-11-18 20:26:49,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:49,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:49,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:49,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:49,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:49,657 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 339 [2022-11-18 20:26:49,658 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 260 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:49,659 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:49,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 339 [2022-11-18 20:26:49,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:50,081 INFO L130 PetriNetUnfolder]: 300/1823 cut-off events. [2022-11-18 20:26:50,081 INFO L131 PetriNetUnfolder]: For 148/172 co-relation queries the response was YES. [2022-11-18 20:26:50,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2864 conditions, 1823 events. 300/1823 cut-off events. For 148/172 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 14960 event pairs, 161 based on Foata normal form. 0/1684 useless extension candidates. Maximal degree in co-relation 2637. Up to 450 conditions per place. [2022-11-18 20:26:50,122 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 32 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2022-11-18 20:26:50,122 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 262 transitions, 709 flow [2022-11-18 20:26:50,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:50,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 900 transitions. [2022-11-18 20:26:50,126 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8849557522123894 [2022-11-18 20:26:50,126 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 900 transitions. [2022-11-18 20:26:50,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 900 transitions. [2022-11-18 20:26:50,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:50,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 900 transitions. [2022-11-18 20:26:50,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 300.0) internal successors, (900), 3 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,133 INFO L175 Difference]: Start difference. First operand has 267 places, 260 transitions, 634 flow. Second operand 3 states and 900 transitions. [2022-11-18 20:26:50,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 262 transitions, 709 flow [2022-11-18 20:26:50,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 262 transitions, 705 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:50,140 INFO L231 Difference]: Finished difference. Result has 266 places, 259 transitions, 632 flow [2022-11-18 20:26:50,141 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=266, PETRI_TRANSITIONS=259} [2022-11-18 20:26:50,142 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -45 predicate places. [2022-11-18 20:26:50,142 INFO L495 AbstractCegarLoop]: Abstraction has has 266 places, 259 transitions, 632 flow [2022-11-18 20:26:50,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.6666666666667) internal successors, (887), 3 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,142 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:50,143 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:50,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-18 20:26:50,143 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:50,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1750734637, now seen corresponding path program 1 times [2022-11-18 20:26:50,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:50,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113499479] [2022-11-18 20:26:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:50,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:50,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:50,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:50,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113499479] [2022-11-18 20:26:50,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113499479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:50,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:50,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:26:50,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950443970] [2022-11-18 20:26:50,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:50,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:26:50,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:50,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:26:50,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:26:50,208 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 339 [2022-11-18 20:26:50,209 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 259 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,209 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:50,209 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 339 [2022-11-18 20:26:50,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:50,573 INFO L130 PetriNetUnfolder]: 208/1534 cut-off events. [2022-11-18 20:26:50,573 INFO L131 PetriNetUnfolder]: For 160/170 co-relation queries the response was YES. [2022-11-18 20:26:50,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2242 conditions, 1534 events. 208/1534 cut-off events. For 160/170 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 11492 event pairs, 96 based on Foata normal form. 0/1415 useless extension candidates. Maximal degree in co-relation 2122. Up to 291 conditions per place. [2022-11-18 20:26:50,602 INFO L137 encePairwiseOnDemand]: 336/339 looper letters, 29 selfloop transitions, 2 changer transitions 0/261 dead transitions. [2022-11-18 20:26:50,602 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 261 transitions, 701 flow [2022-11-18 20:26:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:26:50,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:26:50,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 907 transitions. [2022-11-18 20:26:50,605 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8918387413962635 [2022-11-18 20:26:50,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 907 transitions. [2022-11-18 20:26:50,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 907 transitions. [2022-11-18 20:26:50,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:50,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 907 transitions. [2022-11-18 20:26:50,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 302.3333333333333) internal successors, (907), 3 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,612 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,612 INFO L175 Difference]: Start difference. First operand has 266 places, 259 transitions, 632 flow. Second operand 3 states and 907 transitions. [2022-11-18 20:26:50,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 261 transitions, 701 flow [2022-11-18 20:26:50,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 261 transitions, 697 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:50,620 INFO L231 Difference]: Finished difference. Result has 265 places, 258 transitions, 630 flow [2022-11-18 20:26:50,620 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=265, PETRI_TRANSITIONS=258} [2022-11-18 20:26:50,621 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -46 predicate places. [2022-11-18 20:26:50,621 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 258 transitions, 630 flow [2022-11-18 20:26:50,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.0) internal successors, (897), 3 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:50,622 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:50,622 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:50,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-18 20:26:50,623 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:50,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:50,623 INFO L85 PathProgramCache]: Analyzing trace with hash -804760379, now seen corresponding path program 1 times [2022-11-18 20:26:50,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:50,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707334161] [2022-11-18 20:26:50,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:51,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:51,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707334161] [2022-11-18 20:26:51,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707334161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:51,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:51,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:26:51,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886692598] [2022-11-18 20:26:51,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:51,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:26:51,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:51,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:26:51,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:26:51,272 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 339 [2022-11-18 20:26:51,274 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 258 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 297.1666666666667) internal successors, (1783), 6 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:51,274 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:51,274 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 339 [2022-11-18 20:26:51,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:51,596 INFO L130 PetriNetUnfolder]: 88/1181 cut-off events. [2022-11-18 20:26:51,596 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-18 20:26:51,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1613 conditions, 1181 events. 88/1181 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7829 event pairs, 8 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1523. Up to 108 conditions per place. [2022-11-18 20:26:51,616 INFO L137 encePairwiseOnDemand]: 334/339 looper letters, 29 selfloop transitions, 4 changer transitions 0/257 dead transitions. [2022-11-18 20:26:51,616 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 257 transitions, 694 flow [2022-11-18 20:26:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:26:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:26:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1798 transitions. [2022-11-18 20:26:51,622 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8839724680432645 [2022-11-18 20:26:51,622 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1798 transitions. [2022-11-18 20:26:51,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1798 transitions. [2022-11-18 20:26:51,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:51,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1798 transitions. [2022-11-18 20:26:51,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 299.6666666666667) internal successors, (1798), 6 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:51,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 339.0) internal successors, (2373), 7 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:51,634 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 339.0) internal successors, (2373), 7 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:51,634 INFO L175 Difference]: Start difference. First operand has 265 places, 258 transitions, 630 flow. Second operand 6 states and 1798 transitions. [2022-11-18 20:26:51,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 257 transitions, 694 flow [2022-11-18 20:26:51,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 257 transitions, 690 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:26:51,641 INFO L231 Difference]: Finished difference. Result has 267 places, 257 transitions, 632 flow [2022-11-18 20:26:51,642 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=632, PETRI_PLACES=267, PETRI_TRANSITIONS=257} [2022-11-18 20:26:51,643 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -44 predicate places. [2022-11-18 20:26:51,643 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 257 transitions, 632 flow [2022-11-18 20:26:51,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.1666666666667) internal successors, (1783), 6 states have internal predecessors, (1783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:51,644 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:51,644 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:51,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-18 20:26:51,645 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:51,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:51,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1709850920, now seen corresponding path program 1 times [2022-11-18 20:26:51,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:51,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103855002] [2022-11-18 20:26:51,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:51,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:52,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:52,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103855002] [2022-11-18 20:26:52,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103855002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:52,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:52,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:26:52,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80918557] [2022-11-18 20:26:52,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:52,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:26:52,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:52,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:26:52,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:26:52,334 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 339 [2022-11-18 20:26:52,336 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 257 transitions, 632 flow. Second operand has 6 states, 6 states have (on average 298.1666666666667) internal successors, (1789), 6 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:52,336 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:52,336 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 339 [2022-11-18 20:26:52,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:52,653 INFO L130 PetriNetUnfolder]: 88/1174 cut-off events. [2022-11-18 20:26:52,653 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-18 20:26:52,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1603 conditions, 1174 events. 88/1174 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7792 event pairs, 8 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1396. Up to 108 conditions per place. [2022-11-18 20:26:52,675 INFO L137 encePairwiseOnDemand]: 334/339 looper letters, 28 selfloop transitions, 4 changer transitions 0/256 dead transitions. [2022-11-18 20:26:52,675 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 256 transitions, 694 flow [2022-11-18 20:26:52,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:26:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:26:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1797 transitions. [2022-11-18 20:26:52,681 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.883480825958702 [2022-11-18 20:26:52,681 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1797 transitions. [2022-11-18 20:26:52,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1797 transitions. [2022-11-18 20:26:52,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:52,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1797 transitions. [2022-11-18 20:26:52,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 299.5) internal successors, (1797), 6 states have internal predecessors, (1797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:52,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 339.0) internal successors, (2373), 7 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:52,693 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 339.0) internal successors, (2373), 7 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:52,694 INFO L175 Difference]: Start difference. First operand has 267 places, 257 transitions, 632 flow. Second operand 6 states and 1797 transitions. [2022-11-18 20:26:52,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 256 transitions, 694 flow [2022-11-18 20:26:52,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 256 transitions, 687 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:26:52,701 INFO L231 Difference]: Finished difference. Result has 267 places, 256 transitions, 631 flow [2022-11-18 20:26:52,702 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=623, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=631, PETRI_PLACES=267, PETRI_TRANSITIONS=256} [2022-11-18 20:26:52,702 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -44 predicate places. [2022-11-18 20:26:52,702 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 256 transitions, 631 flow [2022-11-18 20:26:52,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 298.1666666666667) internal successors, (1789), 6 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:52,703 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:26:52,704 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:52,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-18 20:26:52,704 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-18 20:26:52,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:26:52,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2015362051, now seen corresponding path program 1 times [2022-11-18 20:26:52,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:26:52,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370600877] [2022-11-18 20:26:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:26:52,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:26:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:26:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:26:53,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:26:53,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370600877] [2022-11-18 20:26:53,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370600877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:26:53,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:26:53,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:26:53,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103300765] [2022-11-18 20:26:53,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:26:53,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:26:53,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:26:53,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:26:53,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:26:53,619 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 339 [2022-11-18 20:26:53,622 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 256 transitions, 631 flow. Second operand has 6 states, 6 states have (on average 299.1666666666667) internal successors, (1795), 6 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:53,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:26:53,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 339 [2022-11-18 20:26:53,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:26:53,999 INFO L130 PetriNetUnfolder]: 88/1171 cut-off events. [2022-11-18 20:26:53,999 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-18 20:26:54,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1612 conditions, 1171 events. 88/1171 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7795 event pairs, 8 based on Foata normal form. 0/1101 useless extension candidates. Maximal degree in co-relation 1457. Up to 108 conditions per place. [2022-11-18 20:26:54,017 INFO L137 encePairwiseOnDemand]: 334/339 looper letters, 0 selfloop transitions, 0 changer transitions 255/255 dead transitions. [2022-11-18 20:26:54,017 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 255 transitions, 691 flow [2022-11-18 20:26:54,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:26:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:26:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1796 transitions. [2022-11-18 20:26:54,023 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8829891838741396 [2022-11-18 20:26:54,023 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1796 transitions. [2022-11-18 20:26:54,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1796 transitions. [2022-11-18 20:26:54,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:26:54,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1796 transitions. [2022-11-18 20:26:54,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 299.3333333333333) internal successors, (1796), 6 states have internal predecessors, (1796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:54,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 339.0) internal successors, (2373), 7 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:54,036 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 339.0) internal successors, (2373), 7 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:54,036 INFO L175 Difference]: Start difference. First operand has 267 places, 256 transitions, 631 flow. Second operand 6 states and 1796 transitions. [2022-11-18 20:26:54,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 255 transitions, 691 flow [2022-11-18 20:26:54,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 255 transitions, 684 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:26:54,042 INFO L231 Difference]: Finished difference. Result has 267 places, 0 transitions, 0 flow [2022-11-18 20:26:54,043 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=267, PETRI_TRANSITIONS=0} [2022-11-18 20:26:54,043 INFO L288 CegarLoopForPetriNet]: 311 programPoint places, -44 predicate places. [2022-11-18 20:26:54,044 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 0 transitions, 0 flow [2022-11-18 20:26:54,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.1666666666667) internal successors, (1795), 6 states have internal predecessors, (1795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:26:54,048 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (86 of 87 remaining) [2022-11-18 20:26:54,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 87 remaining) [2022-11-18 20:26:54,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 87 remaining) [2022-11-18 20:26:54,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 87 remaining) [2022-11-18 20:26:54,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 87 remaining) [2022-11-18 20:26:54,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 87 remaining) [2022-11-18 20:26:54,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 87 remaining) [2022-11-18 20:26:54,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 87 remaining) [2022-11-18 20:26:54,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (78 of 87 remaining) [2022-11-18 20:26:54,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (77 of 87 remaining) [2022-11-18 20:26:54,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (76 of 87 remaining) [2022-11-18 20:26:54,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (75 of 87 remaining) [2022-11-18 20:26:54,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (74 of 87 remaining) [2022-11-18 20:26:54,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (73 of 87 remaining) [2022-11-18 20:26:54,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (72 of 87 remaining) [2022-11-18 20:26:54,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (71 of 87 remaining) [2022-11-18 20:26:54,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (70 of 87 remaining) [2022-11-18 20:26:54,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (69 of 87 remaining) [2022-11-18 20:26:54,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (68 of 87 remaining) [2022-11-18 20:26:54,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (67 of 87 remaining) [2022-11-18 20:26:54,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (66 of 87 remaining) [2022-11-18 20:26:54,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (65 of 87 remaining) [2022-11-18 20:26:54,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (64 of 87 remaining) [2022-11-18 20:26:54,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (63 of 87 remaining) [2022-11-18 20:26:54,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (62 of 87 remaining) [2022-11-18 20:26:54,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (61 of 87 remaining) [2022-11-18 20:26:54,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (60 of 87 remaining) [2022-11-18 20:26:54,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (59 of 87 remaining) [2022-11-18 20:26:54,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (58 of 87 remaining) [2022-11-18 20:26:54,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (57 of 87 remaining) [2022-11-18 20:26:54,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (56 of 87 remaining) [2022-11-18 20:26:54,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (55 of 87 remaining) [2022-11-18 20:26:54,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (54 of 87 remaining) [2022-11-18 20:26:54,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (53 of 87 remaining) [2022-11-18 20:26:54,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (52 of 87 remaining) [2022-11-18 20:26:54,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (51 of 87 remaining) [2022-11-18 20:26:54,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (50 of 87 remaining) [2022-11-18 20:26:54,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (49 of 87 remaining) [2022-11-18 20:26:54,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (48 of 87 remaining) [2022-11-18 20:26:54,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (47 of 87 remaining) [2022-11-18 20:26:54,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (46 of 87 remaining) [2022-11-18 20:26:54,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (45 of 87 remaining) [2022-11-18 20:26:54,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (44 of 87 remaining) [2022-11-18 20:26:54,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 87 remaining) [2022-11-18 20:26:54,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 87 remaining) [2022-11-18 20:26:54,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 87 remaining) [2022-11-18 20:26:54,072 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 87 remaining) [2022-11-18 20:26:54,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (39 of 87 remaining) [2022-11-18 20:26:54,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (38 of 87 remaining) [2022-11-18 20:26:54,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (37 of 87 remaining) [2022-11-18 20:26:54,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (36 of 87 remaining) [2022-11-18 20:26:54,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (35 of 87 remaining) [2022-11-18 20:26:54,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (34 of 87 remaining) [2022-11-18 20:26:54,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (33 of 87 remaining) [2022-11-18 20:26:54,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (32 of 87 remaining) [2022-11-18 20:26:54,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 87 remaining) [2022-11-18 20:26:54,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 87 remaining) [2022-11-18 20:26:54,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 87 remaining) [2022-11-18 20:26:54,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 87 remaining) [2022-11-18 20:26:54,075 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 87 remaining) [2022-11-18 20:26:54,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 87 remaining) [2022-11-18 20:26:54,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 87 remaining) [2022-11-18 20:26:54,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 87 remaining) [2022-11-18 20:26:54,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 87 remaining) [2022-11-18 20:26:54,076 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 87 remaining) [2022-11-18 20:26:54,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 87 remaining) [2022-11-18 20:26:54,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 87 remaining) [2022-11-18 20:26:54,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 87 remaining) [2022-11-18 20:26:54,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 87 remaining) [2022-11-18 20:26:54,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 87 remaining) [2022-11-18 20:26:54,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 87 remaining) [2022-11-18 20:26:54,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 87 remaining) [2022-11-18 20:26:54,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 87 remaining) [2022-11-18 20:26:54,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 87 remaining) [2022-11-18 20:26:54,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 87 remaining) [2022-11-18 20:26:54,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 87 remaining) [2022-11-18 20:26:54,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 87 remaining) [2022-11-18 20:26:54,079 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 87 remaining) [2022-11-18 20:26:54,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 87 remaining) [2022-11-18 20:26:54,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (7 of 87 remaining) [2022-11-18 20:26:54,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (6 of 87 remaining) [2022-11-18 20:26:54,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (5 of 87 remaining) [2022-11-18 20:26:54,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (4 of 87 remaining) [2022-11-18 20:26:54,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (3 of 87 remaining) [2022-11-18 20:26:54,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (2 of 87 remaining) [2022-11-18 20:26:54,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (1 of 87 remaining) [2022-11-18 20:26:54,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (0 of 87 remaining) [2022-11-18 20:26:54,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-18 20:26:54,082 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:26:54,090 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:26:54,090 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:26:54,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:26:54 BasicIcfg [2022-11-18 20:26:54,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:26:54,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:26:54,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:26:54,098 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:26:54,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:26:36" (3/4) ... [2022-11-18 20:26:54,102 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:26:54,109 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 20:26:54,110 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 20:26:54,110 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 20:26:54,110 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-18 20:26:54,117 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-18 20:26:54,117 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:26:54,118 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:26:54,118 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:26:54,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:26:54,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:26:54,168 INFO L158 Benchmark]: Toolchain (without parser) took 19193.36ms. Allocated memory was 92.3MB in the beginning and 981.5MB in the end (delta: 889.2MB). Free memory was 57.7MB in the beginning and 615.5MB in the end (delta: -557.8MB). Peak memory consumption was 331.1MB. Max. memory is 16.1GB. [2022-11-18 20:26:54,169 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:26:54,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.41ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 57.6MB in the beginning and 102.0MB in the end (delta: -44.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:26:54,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.20ms. Allocated memory is still 127.9MB. Free memory was 101.3MB in the beginning and 99.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:26:54,170 INFO L158 Benchmark]: Boogie Preprocessor took 44.89ms. Allocated memory is still 127.9MB. Free memory was 99.1MB in the beginning and 97.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:26:54,171 INFO L158 Benchmark]: RCFGBuilder took 1165.36ms. Allocated memory is still 127.9MB. Free memory was 97.2MB in the beginning and 72.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-18 20:26:54,171 INFO L158 Benchmark]: TraceAbstraction took 17278.42ms. Allocated memory was 127.9MB in the beginning and 981.5MB in the end (delta: 853.5MB). Free memory was 72.0MB in the beginning and 619.7MB in the end (delta: -547.7MB). Peak memory consumption was 308.9MB. Max. memory is 16.1GB. [2022-11-18 20:26:54,172 INFO L158 Benchmark]: Witness Printer took 70.12ms. Allocated memory is still 981.5MB. Free memory was 619.7MB in the beginning and 615.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:26:54,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.41ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 57.6MB in the beginning and 102.0MB in the end (delta: -44.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.20ms. Allocated memory is still 127.9MB. Free memory was 101.3MB in the beginning and 99.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.89ms. Allocated memory is still 127.9MB. Free memory was 99.1MB in the beginning and 97.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1165.36ms. Allocated memory is still 127.9MB. Free memory was 97.2MB in the beginning and 72.7MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 17278.42ms. Allocated memory was 127.9MB in the beginning and 981.5MB in the end (delta: 853.5MB). Free memory was 72.0MB in the beginning and 619.7MB in the end (delta: -547.7MB). Peak memory consumption was 308.9MB. Max. memory is 16.1GB. * Witness Printer took 70.12ms. Allocated memory is still 981.5MB. Free memory was 619.7MB in the beginning and 615.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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 9 procedures, 466 locations, 87 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: 17.1s, OverallIterations: 23, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 452 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 927 IncrementalHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 443 mSDtfsCounter, 927 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=646occurred in iteration=9, InterpolantAutomatonStates: 83, 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, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1855 NumberOfCodeBlocks, 1855 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1832 ConstructedInterpolants, 0 QuantifiedInterpolants, 2194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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 51 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:26:54,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b429d322-8bba-4ad6-a5a4-f263e093b709/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