./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF --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 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:25:46,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:25:46,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:25:46,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:25:46,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:25:46,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:25:46,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:25:46,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:25:46,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:25:46,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:25:46,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:25:46,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:25:46,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:25:46,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:25:46,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:25:46,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:25:46,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:25:46,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:25:46,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:25:46,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:25:46,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:25:46,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:25:46,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:25:46,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:25:46,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:25:46,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:25:46,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:25:46,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:25:46,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:25:46,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:25:46,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:25:46,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:25:46,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:25:46,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:25:46,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:25:46,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:25:46,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:25:46,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:25:46,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:25:46,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:25:46,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:25:46,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-20 06:25:47,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:25:47,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:25:47,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:25:47,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:25:47,050 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:25:47,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:25:47,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:25:47,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:25:47,052 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:25:47,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:25:47,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:25:47,054 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:25:47,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:25:47,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:25:47,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:25:47,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:25:47,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:25:47,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:25:47,055 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 06:25:47,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:25:47,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:25:47,056 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:25:47,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:25:47,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:25:47,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:25:47,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:25:47,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:25:47,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:25:47,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:25:47,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:25:47,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:25:47,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:25:47,060 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:25:47,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:25:47,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:25:47,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:25:47,061 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_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52746884466210ec366bc04a3a6cb03f413619353c73143d79c1024e676e598e [2021-11-20 06:25:47,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:25:47,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:25:47,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:25:47,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:25:47,451 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:25:47,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2021-11-20 06:25:47,536 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/data/1a31229d7/0fe8091fa605403887eb4c6e469eb0b4/FLAG95798ef1c [2021-11-20 06:25:48,324 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:25:48,325 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/sv-benchmarks/c/goblint-regression/09-regions_21-arrayloop2_nr.i [2021-11-20 06:25:48,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/data/1a31229d7/0fe8091fa605403887eb4c6e469eb0b4/FLAG95798ef1c [2021-11-20 06:25:48,510 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/data/1a31229d7/0fe8091fa605403887eb4c6e469eb0b4 [2021-11-20 06:25:48,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:25:48,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:25:48,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:25:48,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:25:48,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:25:48,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:48" (1/1) ... [2021-11-20 06:25:48,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a30d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:48, skipping insertion in model container [2021-11-20 06:25:48,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:48" (1/1) ... [2021-11-20 06:25:48,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:25:48,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:25:49,260 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 06:25:49,262 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 06:25:49,263 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 06:25:49,265 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 06:25:49,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:25:49,312 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:25:49,364 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 06:25:49,366 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 06:25:49,367 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 06:25:49,369 WARN L1533 CHandler]: Possible shadowing of function new [2021-11-20 06:25:49,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:25:49,475 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:25:49,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49 WrapperNode [2021-11-20 06:25:49,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:25:49,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:25:49,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:25:49,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:25:49,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,621 INFO L137 Inliner]: procedures = 271, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 207 [2021-11-20 06:25:49,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:25:49,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:25:49,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:25:49,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:25:49,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:25:49,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:25:49,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:25:49,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:25:49,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (1/1) ... [2021-11-20 06:25:49,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:25:49,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:25:49,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:25:49,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:25:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-20 06:25:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-20 06:25:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:25:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:25:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:25:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:25:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:25:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-20 06:25:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:25:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:25:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:25:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:25:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:25:49,790 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:25:49,995 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:25:49,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:25:50,546 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:25:50,559 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:25:50,571 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 06:25:50,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:50 BoogieIcfgContainer [2021-11-20 06:25:50,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:25:50,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:25:50,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:25:50,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:25:50,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:25:48" (1/3) ... [2021-11-20 06:25:50,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f1574f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:25:50, skipping insertion in model container [2021-11-20 06:25:50,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:49" (2/3) ... [2021-11-20 06:25:50,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f1574f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:25:50, skipping insertion in model container [2021-11-20 06:25:50,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:50" (3/3) ... [2021-11-20 06:25:50,586 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2021-11-20 06:25:50,593 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:25:50,594 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:25:50,596 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-20 06:25:50,596 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:25:50,674 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,674 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,675 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,676 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,677 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,678 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,679 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,679 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,679 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,680 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,681 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,682 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,682 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,682 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,683 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,683 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,683 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,684 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,684 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,684 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,685 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,686 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,687 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,689 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,690 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,690 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,690 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,691 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,691 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,691 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,692 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,693 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,694 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,695 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,698 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,698 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,699 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,700 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,700 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,701 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,701 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,701 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,702 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,708 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,708 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,708 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,709 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,709 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,709 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,709 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,709 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,710 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,710 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,710 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,711 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,712 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,713 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,714 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,715 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,715 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,715 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,715 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,715 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,716 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,716 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,716 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,716 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,716 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,717 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,717 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,718 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,719 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,720 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,721 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,722 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,724 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,724 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,724 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,725 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,725 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,725 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,725 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,725 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,726 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,726 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,726 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,726 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,726 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,727 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,727 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,727 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,727 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,727 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,728 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,728 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,728 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,728 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,728 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,728 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,729 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,729 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,729 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,729 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,729 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,729 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,730 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,730 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,730 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,730 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,730 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,731 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,731 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,731 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,731 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,731 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,740 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,740 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,741 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,741 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,741 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,741 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,742 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,742 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,742 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,742 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,742 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,743 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,743 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,744 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,747 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,747 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,748 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,748 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,748 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,748 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,748 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,748 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,749 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,749 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,749 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,749 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,749 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,749 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,750 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,750 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,750 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,750 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,750 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,750 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,751 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,751 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,751 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,751 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,751 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,751 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,752 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,752 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,752 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,752 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,752 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,752 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,753 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,753 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,753 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,753 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,753 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,753 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,754 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,754 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,754 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,754 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,754 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,754 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,754 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,755 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,755 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,755 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,755 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,755 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,755 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,755 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,756 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,756 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,757 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,759 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,759 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,760 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,760 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,760 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,760 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,760 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,760 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,760 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,761 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,761 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,761 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,761 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,761 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,761 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,761 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,762 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,762 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,762 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,762 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,762 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,762 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,762 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,763 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,763 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,763 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,763 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,763 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,763 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,764 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,764 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,764 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,764 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,764 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,764 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,764 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,765 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,765 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,765 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,765 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,765 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,766 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,766 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,766 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,766 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,766 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,766 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,766 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,767 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,767 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,767 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,767 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,767 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,767 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,768 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,768 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,768 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,768 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,768 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,768 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,769 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,769 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,769 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,769 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,769 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,770 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,770 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,770 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,770 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,773 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,773 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,773 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,773 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,773 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,774 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,774 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,774 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,774 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,774 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,774 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,774 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,775 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,775 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,775 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,775 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,775 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,775 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,775 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,776 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,776 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,776 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,776 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,776 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,776 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,776 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,777 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,777 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,777 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,777 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,777 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,777 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,777 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,778 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,778 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,778 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,778 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,778 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,778 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,779 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,779 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,779 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,779 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,779 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,779 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,779 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,780 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,780 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,780 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,780 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,780 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,781 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,781 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,781 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,781 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,781 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,781 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,782 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,782 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,782 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,783 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,783 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,783 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,783 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,783 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,783 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,784 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,784 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,784 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,784 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,784 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,789 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,790 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,790 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,790 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,790 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,791 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,791 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,791 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,791 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,791 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,791 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,791 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,792 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,796 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,796 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,797 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,797 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,797 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,797 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,797 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,798 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,798 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,798 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,798 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,798 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,798 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,798 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,799 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,799 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,799 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,799 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,799 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,799 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,800 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,800 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,800 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,800 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,800 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,800 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,800 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,801 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,801 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,801 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,801 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,801 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,801 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,801 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,802 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,802 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,802 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,802 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,802 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,802 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,803 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,803 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,803 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,803 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,803 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,803 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,803 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,804 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,804 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,804 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,804 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,804 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,804 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,804 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,805 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,805 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,805 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,805 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,806 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,806 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,806 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,806 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,806 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,806 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,807 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,807 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,807 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,807 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,807 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,807 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,807 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,808 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,812 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,812 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,812 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,812 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,813 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,813 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,813 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,813 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,813 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,813 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,813 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,814 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,814 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,814 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,814 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,814 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,814 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,815 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,815 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,815 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,815 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,815 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,815 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,815 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,816 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,816 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,816 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,819 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,819 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,821 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,821 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,821 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,821 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,821 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,822 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,822 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,822 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,822 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,822 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,822 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,823 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,823 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,823 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,823 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,823 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,823 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,824 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,824 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,824 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,824 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,827 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,827 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,827 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,827 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,827 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,828 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,828 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,828 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,828 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,828 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,828 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,829 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,829 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,829 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~1#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,829 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,829 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,829 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,829 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,830 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,830 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem13#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,830 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,830 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,830 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:25:50,831 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:25:50,903 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:25:50,910 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:25:50,910 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2021-11-20 06:25:50,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 305 transitions, 620 flow [2021-11-20 06:25:51,050 INFO L129 PetriNetUnfolder]: 14/303 cut-off events. [2021-11-20 06:25:51,050 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:25:51,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 303 events. 14/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 588 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2021-11-20 06:25:51,061 INFO L82 GeneralOperation]: Start removeDead. Operand has 298 places, 305 transitions, 620 flow [2021-11-20 06:25:51,070 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 303 transitions, 612 flow [2021-11-20 06:25:51,078 INFO L129 PetriNetUnfolder]: 1/48 cut-off events. [2021-11-20 06:25:51,079 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:25:51,079 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:25:51,079 INFO L254 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] [2021-11-20 06:25:51,080 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:25:51,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:51,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1165101949, now seen corresponding path program 1 times [2021-11-20 06:25:51,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:51,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719149545] [2021-11-20 06:25:51,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:51,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:51,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:51,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719149545] [2021-11-20 06:25:51,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719149545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:51,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:51,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:25:51,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248361548] [2021-11-20 06:25:51,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:51,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:25:51,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:51,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:25:51,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:25:51,633 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 305 [2021-11-20 06:25:51,644 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 303 transitions, 612 flow. Second operand has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2021-11-20 06:25:51,644 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:25:51,644 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 305 [2021-11-20 06:25:51,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:25:52,980 INFO L129 PetriNetUnfolder]: 744/2625 cut-off events. [2021-11-20 06:25:52,981 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-11-20 06:25:52,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4129 conditions, 2625 events. 744/2625 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 17723 event pairs, 600 based on Foata normal form. 245/2501 useless extension candidates. Maximal degree in co-relation 3905. Up to 1439 conditions per place. [2021-11-20 06:25:53,026 INFO L132 encePairwiseOnDemand]: 285/305 looper letters, 110 selfloop transitions, 10 changer transitions 0/293 dead transitions. [2021-11-20 06:25:53,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 293 transitions, 832 flow [2021-11-20 06:25:53,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:25:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:25:53,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1180 transitions. [2021-11-20 06:25:53,068 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.644808743169399 [2021-11-20 06:25:53,069 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1180 transitions. [2021-11-20 06:25:53,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1180 transitions. [2021-11-20 06:25:53,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:25:53,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1180 transitions. [2021-11-20 06:25:53,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 196.66666666666666) internal successors, (1180), 6 states have internal predecessors, (1180), 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) [2021-11-20 06:25:53,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:25:53,107 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:25:53,110 INFO L186 Difference]: Start difference. First operand has 296 places, 303 transitions, 612 flow. Second operand 6 states and 1180 transitions. [2021-11-20 06:25:53,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 293 transitions, 832 flow [2021-11-20 06:25:53,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 293 transitions, 830 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:25:53,138 INFO L242 Difference]: Finished difference. Result has 297 places, 293 transitions, 610 flow [2021-11-20 06:25:53,141 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=610, PETRI_PLACES=297, PETRI_TRANSITIONS=293} [2021-11-20 06:25:53,147 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 1 predicate places. [2021-11-20 06:25:53,147 INFO L470 AbstractCegarLoop]: Abstraction has has 297 places, 293 transitions, 610 flow [2021-11-20 06:25:53,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.5) internal successors, (1059), 6 states have internal predecessors, (1059), 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) [2021-11-20 06:25:53,149 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:25:53,149 INFO L254 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] [2021-11-20 06:25:53,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:25:53,151 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:25:53,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:53,152 INFO L85 PathProgramCache]: Analyzing trace with hash -963911608, now seen corresponding path program 1 times [2021-11-20 06:25:53,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:53,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734863797] [2021-11-20 06:25:53,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:53,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:53,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:53,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734863797] [2021-11-20 06:25:53,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734863797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:53,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:53,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:25:53,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397185762] [2021-11-20 06:25:53,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:53,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:25:53,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:53,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:25:53,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:25:53,457 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 305 [2021-11-20 06:25:53,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 293 transitions, 610 flow. Second operand has 6 states, 6 states have (on average 177.5) internal successors, (1065), 6 states have internal predecessors, (1065), 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) [2021-11-20 06:25:53,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:25:53,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 305 [2021-11-20 06:25:53,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:25:54,416 INFO L129 PetriNetUnfolder]: 744/2623 cut-off events. [2021-11-20 06:25:54,417 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-20 06:25:54,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4134 conditions, 2623 events. 744/2623 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 17647 event pairs, 600 based on Foata normal form. 0/2256 useless extension candidates. Maximal degree in co-relation 3938. Up to 1437 conditions per place. [2021-11-20 06:25:54,456 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 108 selfloop transitions, 10 changer transitions 0/291 dead transitions. [2021-11-20 06:25:54,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 291 transitions, 842 flow [2021-11-20 06:25:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:25:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:25:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1170 transitions. [2021-11-20 06:25:54,463 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.639344262295082 [2021-11-20 06:25:54,463 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1170 transitions. [2021-11-20 06:25:54,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1170 transitions. [2021-11-20 06:25:54,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:25:54,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1170 transitions. [2021-11-20 06:25:54,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 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) [2021-11-20 06:25:54,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:25:54,479 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:25:54,479 INFO L186 Difference]: Start difference. First operand has 297 places, 293 transitions, 610 flow. Second operand 6 states and 1170 transitions. [2021-11-20 06:25:54,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 291 transitions, 842 flow [2021-11-20 06:25:54,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 291 transitions, 822 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:25:54,493 INFO L242 Difference]: Finished difference. Result has 295 places, 291 transitions, 606 flow [2021-11-20 06:25:54,494 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=606, PETRI_PLACES=295, PETRI_TRANSITIONS=291} [2021-11-20 06:25:54,495 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, -1 predicate places. [2021-11-20 06:25:54,495 INFO L470 AbstractCegarLoop]: Abstraction has has 295 places, 291 transitions, 606 flow [2021-11-20 06:25:54,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.5) internal successors, (1065), 6 states have internal predecessors, (1065), 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) [2021-11-20 06:25:54,497 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:25:54,498 INFO L254 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] [2021-11-20 06:25:54,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:25:54,498 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:25:54,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:54,499 INFO L85 PathProgramCache]: Analyzing trace with hash 903544362, now seen corresponding path program 1 times [2021-11-20 06:25:54,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:54,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747238338] [2021-11-20 06:25:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:54,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:54,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:54,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747238338] [2021-11-20 06:25:54,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747238338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:54,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:54,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:25:54,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881699865] [2021-11-20 06:25:54,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:54,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:25:54,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:54,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:25:54,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:25:54,566 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 305 [2021-11-20 06:25:54,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 291 transitions, 606 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2021-11-20 06:25:54,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:25:54,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 305 [2021-11-20 06:25:54,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:25:54,689 INFO L129 PetriNetUnfolder]: 7/415 cut-off events. [2021-11-20 06:25:54,689 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:25:54,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 415 events. 7/415 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1027 event pairs, 0 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 218. Up to 13 conditions per place. [2021-11-20 06:25:54,694 INFO L132 encePairwiseOnDemand]: 302/305 looper letters, 17 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2021-11-20 06:25:54,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 298 transitions, 658 flow [2021-11-20 06:25:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:25:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:25:54,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 875 transitions. [2021-11-20 06:25:54,700 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9562841530054644 [2021-11-20 06:25:54,700 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 875 transitions. [2021-11-20 06:25:54,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 875 transitions. [2021-11-20 06:25:54,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:25:54,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 875 transitions. [2021-11-20 06:25:54,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 291.6666666666667) internal successors, (875), 3 states have internal predecessors, (875), 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) [2021-11-20 06:25:54,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-20 06:25:54,711 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-20 06:25:54,712 INFO L186 Difference]: Start difference. First operand has 295 places, 291 transitions, 606 flow. Second operand 3 states and 875 transitions. [2021-11-20 06:25:54,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 298 transitions, 658 flow [2021-11-20 06:25:54,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 298 transitions, 638 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:25:54,724 INFO L242 Difference]: Finished difference. Result has 293 places, 292 transitions, 598 flow [2021-11-20 06:25:54,725 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=586, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=293, PETRI_TRANSITIONS=292} [2021-11-20 06:25:54,727 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, -3 predicate places. [2021-11-20 06:25:54,727 INFO L470 AbstractCegarLoop]: Abstraction has has 293 places, 292 transitions, 598 flow [2021-11-20 06:25:54,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2021-11-20 06:25:54,728 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:25:54,729 INFO L254 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] [2021-11-20 06:25:54,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:25:54,729 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:25:54,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:54,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1083273916, now seen corresponding path program 1 times [2021-11-20 06:25:54,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:54,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621050316] [2021-11-20 06:25:54,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:54,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:54,758 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:25:54,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [50428613] [2021-11-20 06:25:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:54,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:25:54,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:25:54,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:25:54,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:25:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:54,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 06:25:54,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:25:55,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:25:55,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-20 06:25:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,328 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:25:55,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 06:25:55,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 06:25:55,438 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 06:25:55,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2021-11-20 06:25:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:55,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:25:55,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:55,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621050316] [2021-11-20 06:25:55,482 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:25:55,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50428613] [2021-11-20 06:25:55,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50428613] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:55,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:55,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:25:55,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178944285] [2021-11-20 06:25:55,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:55,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:25:55,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:55,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:25:55,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:25:55,490 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 305 [2021-11-20 06:25:55,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 292 transitions, 598 flow. Second operand has 8 states, 8 states have (on average 180.625) internal successors, (1445), 8 states have internal predecessors, (1445), 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) [2021-11-20 06:25:55,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:25:55,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 305 [2021-11-20 06:25:55,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:25:57,346 INFO L129 PetriNetUnfolder]: 1489/5269 cut-off events. [2021-11-20 06:25:57,347 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-20 06:25:57,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8282 conditions, 5269 events. 1489/5269 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 36069 event pairs, 1200 based on Foata normal form. 0/4537 useless extension candidates. Maximal degree in co-relation 4113. Up to 1480 conditions per place. [2021-11-20 06:25:57,529 INFO L132 encePairwiseOnDemand]: 295/305 looper letters, 166 selfloop transitions, 9 changer transitions 0/352 dead transitions. [2021-11-20 06:25:57,529 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 352 transitions, 1072 flow [2021-11-20 06:25:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:25:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:25:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1778 transitions. [2021-11-20 06:25:57,538 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6477231329690346 [2021-11-20 06:25:57,538 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1778 transitions. [2021-11-20 06:25:57,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1778 transitions. [2021-11-20 06:25:57,540 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:25:57,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1778 transitions. [2021-11-20 06:25:57,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 197.55555555555554) internal successors, (1778), 9 states have internal predecessors, (1778), 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) [2021-11-20 06:25:57,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-11-20 06:25:57,561 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-11-20 06:25:57,561 INFO L186 Difference]: Start difference. First operand has 293 places, 292 transitions, 598 flow. Second operand 9 states and 1778 transitions. [2021-11-20 06:25:57,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 352 transitions, 1072 flow [2021-11-20 06:25:57,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 352 transitions, 1070 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:25:57,575 INFO L242 Difference]: Finished difference. Result has 300 places, 292 transitions, 620 flow [2021-11-20 06:25:57,576 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=620, PETRI_PLACES=300, PETRI_TRANSITIONS=292} [2021-11-20 06:25:57,578 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 4 predicate places. [2021-11-20 06:25:57,579 INFO L470 AbstractCegarLoop]: Abstraction has has 300 places, 292 transitions, 620 flow [2021-11-20 06:25:57,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 180.625) internal successors, (1445), 8 states have internal predecessors, (1445), 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) [2021-11-20 06:25:57,580 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:25:57,581 INFO L254 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] [2021-11-20 06:25:57,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:25:57,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-20 06:25:57,802 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:25:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:57,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1268327861, now seen corresponding path program 1 times [2021-11-20 06:25:57,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:57,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276739244] [2021-11-20 06:25:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:57,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:57,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:57,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276739244] [2021-11-20 06:25:57,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276739244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:57,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:57,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:25:57,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456152793] [2021-11-20 06:25:57,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:57,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:25:57,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:57,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:25:57,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:25:57,874 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 288 out of 305 [2021-11-20 06:25:57,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 292 transitions, 620 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) [2021-11-20 06:25:57,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:25:57,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 288 of 305 [2021-11-20 06:25:57,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:25:57,988 INFO L129 PetriNetUnfolder]: 7/603 cut-off events. [2021-11-20 06:25:57,988 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 06:25:57,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 603 events. 7/603 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1014 event pairs, 0 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 282. Up to 16 conditions per place. [2021-11-20 06:25:57,993 INFO L132 encePairwiseOnDemand]: 302/305 looper letters, 11 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2021-11-20 06:25:57,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 296 transitions, 654 flow [2021-11-20 06:25:57,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:25:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:25:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 878 transitions. [2021-11-20 06:25:57,998 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9595628415300547 [2021-11-20 06:25:57,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 878 transitions. [2021-11-20 06:25:57,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 878 transitions. [2021-11-20 06:25:57,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:25:57,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 878 transitions. [2021-11-20 06:25:58,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 292.6666666666667) internal successors, (878), 3 states have internal predecessors, (878), 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) [2021-11-20 06:25:58,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-20 06:25:58,006 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-20 06:25:58,006 INFO L186 Difference]: Start difference. First operand has 300 places, 292 transitions, 620 flow. Second operand 3 states and 878 transitions. [2021-11-20 06:25:58,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 296 transitions, 654 flow [2021-11-20 06:25:58,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 296 transitions, 640 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-20 06:25:58,016 INFO L242 Difference]: Finished difference. Result has 296 places, 293 transitions, 618 flow [2021-11-20 06:25:58,017 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=296, PETRI_TRANSITIONS=293} [2021-11-20 06:25:58,018 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 0 predicate places. [2021-11-20 06:25:58,018 INFO L470 AbstractCegarLoop]: Abstraction has has 296 places, 293 transitions, 618 flow [2021-11-20 06:25:58,019 INFO L471 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) [2021-11-20 06:25:58,019 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:25:58,019 INFO L254 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] [2021-11-20 06:25:58,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:25:58,020 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:25:58,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:58,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1507695787, now seen corresponding path program 1 times [2021-11-20 06:25:58,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:58,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336304403] [2021-11-20 06:25:58,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:58,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:58,039 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:25:58,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825512012] [2021-11-20 06:25:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:58,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:25:58,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:25:58,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:25:58,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:25:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:58,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:25:58,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:25:58,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:25:58,403 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-20 06:25:58,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-20 06:25:58,452 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-20 06:25:58,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 06:25:58,524 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-20 06:25:58,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-11-20 06:25:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:25:58,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:25:58,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:25:58,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336304403] [2021-11-20 06:25:58,553 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:25:58,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825512012] [2021-11-20 06:25:58,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825512012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:25:58,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:25:58,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:25:58,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855781811] [2021-11-20 06:25:58,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:25:58,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:25:58,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:25:58,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:25:58,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:25:58,558 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 305 [2021-11-20 06:25:58,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 293 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-11-20 06:25:58,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:25:58,560 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 305 [2021-11-20 06:25:58,560 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:25:59,507 INFO L129 PetriNetUnfolder]: 745/2931 cut-off events. [2021-11-20 06:25:59,507 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-11-20 06:25:59,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4613 conditions, 2931 events. 745/2931 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 18476 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4102. Up to 1575 conditions per place. [2021-11-20 06:25:59,540 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 104 selfloop transitions, 5 changer transitions 0/292 dead transitions. [2021-11-20 06:25:59,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 292 transitions, 834 flow [2021-11-20 06:25:59,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:25:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:25:59,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1202 transitions. [2021-11-20 06:25:59,546 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6568306010928961 [2021-11-20 06:25:59,546 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1202 transitions. [2021-11-20 06:25:59,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1202 transitions. [2021-11-20 06:25:59,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:25:59,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1202 transitions. [2021-11-20 06:25:59,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:25:59,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:25:59,557 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:25:59,557 INFO L186 Difference]: Start difference. First operand has 296 places, 293 transitions, 618 flow. Second operand 6 states and 1202 transitions. [2021-11-20 06:25:59,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 292 transitions, 834 flow [2021-11-20 06:25:59,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 292 transitions, 832 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-20 06:25:59,572 INFO L242 Difference]: Finished difference. Result has 299 places, 292 transitions, 624 flow [2021-11-20 06:25:59,573 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=624, PETRI_PLACES=299, PETRI_TRANSITIONS=292} [2021-11-20 06:25:59,577 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 3 predicate places. [2021-11-20 06:25:59,577 INFO L470 AbstractCegarLoop]: Abstraction has has 299 places, 292 transitions, 624 flow [2021-11-20 06:25:59,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-11-20 06:25:59,578 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:25:59,578 INFO L254 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] [2021-11-20 06:25:59,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:25:59,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:25:59,794 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:25:59,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:25:59,795 INFO L85 PathProgramCache]: Analyzing trace with hash 421133850, now seen corresponding path program 1 times [2021-11-20 06:25:59,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:25:59,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868993789] [2021-11-20 06:25:59,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:59,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:25:59,813 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:25:59,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76343294] [2021-11-20 06:25:59,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:25:59,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:25:59,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:25:59,821 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:25:59,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 06:25:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:25:59,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:25:59,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:00,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 06:26:00,161 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 06:26:00,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-20 06:26:00,208 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-20 06:26:00,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-11-20 06:26:00,262 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-11-20 06:26:00,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 06:26:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:00,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:00,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:00,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868993789] [2021-11-20 06:26:00,359 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:00,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76343294] [2021-11-20 06:26:00,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76343294] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:00,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:00,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:26:00,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407295285] [2021-11-20 06:26:00,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:00,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:00,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:00,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:00,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:00,364 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 305 [2021-11-20 06:26:00,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 292 transitions, 624 flow. Second operand has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-11-20 06:26:00,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:00,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 305 [2021-11-20 06:26:00,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:01,316 INFO L129 PetriNetUnfolder]: 745/2927 cut-off events. [2021-11-20 06:26:01,316 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-20 06:26:01,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4627 conditions, 2927 events. 745/2927 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 18423 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4151. Up to 1575 conditions per place. [2021-11-20 06:26:01,351 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 104 selfloop transitions, 5 changer transitions 0/291 dead transitions. [2021-11-20 06:26:01,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 291 transitions, 840 flow [2021-11-20 06:26:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:26:01,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:26:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1196 transitions. [2021-11-20 06:26:01,357 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.653551912568306 [2021-11-20 06:26:01,357 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1196 transitions. [2021-11-20 06:26:01,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1196 transitions. [2021-11-20 06:26:01,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:01,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1196 transitions. [2021-11-20 06:26:01,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 199.33333333333334) internal successors, (1196), 6 states have internal predecessors, (1196), 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) [2021-11-20 06:26:01,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:01,368 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:01,369 INFO L186 Difference]: Start difference. First operand has 299 places, 292 transitions, 624 flow. Second operand 6 states and 1196 transitions. [2021-11-20 06:26:01,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 291 transitions, 840 flow [2021-11-20 06:26:01,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 291 transitions, 830 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:26:01,378 INFO L242 Difference]: Finished difference. Result has 298 places, 291 transitions, 622 flow [2021-11-20 06:26:01,379 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=622, PETRI_PLACES=298, PETRI_TRANSITIONS=291} [2021-11-20 06:26:01,380 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 2 predicate places. [2021-11-20 06:26:01,380 INFO L470 AbstractCegarLoop]: Abstraction has has 298 places, 291 transitions, 622 flow [2021-11-20 06:26:01,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-11-20 06:26:01,382 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:01,382 INFO L254 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] [2021-11-20 06:26:01,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:01,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:01,583 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:01,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:01,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1898335952, now seen corresponding path program 1 times [2021-11-20 06:26:01,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:01,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854120465] [2021-11-20 06:26:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:01,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:01,617 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:01,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892000499] [2021-11-20 06:26:01,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:01,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:01,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:01,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:01,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 06:26:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:01,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:01,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:01,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:26:02,007 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-20 06:26:02,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-20 06:26:02,054 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-20 06:26:02,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 06:26:02,107 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-20 06:26:02,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-11-20 06:26:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:02,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:02,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:02,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854120465] [2021-11-20 06:26:02,134 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:02,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892000499] [2021-11-20 06:26:02,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892000499] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:02,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:02,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:26:02,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634284674] [2021-11-20 06:26:02,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:02,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:02,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:02,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:02,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:02,139 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-11-20 06:26:02,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 291 transitions, 622 flow. Second operand has 6 states, 6 states have (on average 186.5) internal successors, (1119), 6 states have internal predecessors, (1119), 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) [2021-11-20 06:26:02,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:02,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-11-20 06:26:02,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:02,881 INFO L129 PetriNetUnfolder]: 745/2923 cut-off events. [2021-11-20 06:26:02,882 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-20 06:26:02,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4627 conditions, 2923 events. 745/2923 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 18417 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4175. Up to 1579 conditions per place. [2021-11-20 06:26:02,907 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 105 selfloop transitions, 5 changer transitions 0/290 dead transitions. [2021-11-20 06:26:02,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 290 transitions, 840 flow [2021-11-20 06:26:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:26:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:26:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1185 transitions. [2021-11-20 06:26:02,913 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6475409836065574 [2021-11-20 06:26:02,913 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1185 transitions. [2021-11-20 06:26:02,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1185 transitions. [2021-11-20 06:26:02,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:02,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1185 transitions. [2021-11-20 06:26:02,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.5) internal successors, (1185), 6 states have internal predecessors, (1185), 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) [2021-11-20 06:26:02,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:02,925 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:02,925 INFO L186 Difference]: Start difference. First operand has 298 places, 291 transitions, 622 flow. Second operand 6 states and 1185 transitions. [2021-11-20 06:26:02,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 290 transitions, 840 flow [2021-11-20 06:26:02,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 290 transitions, 830 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:26:02,934 INFO L242 Difference]: Finished difference. Result has 297 places, 290 transitions, 620 flow [2021-11-20 06:26:02,935 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=620, PETRI_PLACES=297, PETRI_TRANSITIONS=290} [2021-11-20 06:26:02,936 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 1 predicate places. [2021-11-20 06:26:02,936 INFO L470 AbstractCegarLoop]: Abstraction has has 297 places, 290 transitions, 620 flow [2021-11-20 06:26:02,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 186.5) internal successors, (1119), 6 states have internal predecessors, (1119), 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) [2021-11-20 06:26:02,937 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:02,938 INFO L254 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] [2021-11-20 06:26:02,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:03,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-20 06:26:03,165 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:03,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:03,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1726560173, now seen corresponding path program 1 times [2021-11-20 06:26:03,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:03,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390527470] [2021-11-20 06:26:03,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:03,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:03,183 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:03,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [771654758] [2021-11-20 06:26:03,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:03,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:03,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:03,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:03,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 06:26:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:03,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:03,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:03,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-20 06:26:03,590 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-20 06:26:03,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-20 06:26:03,629 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-20 06:26:03,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-11-20 06:26:03,689 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-11-20 06:26:03,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 46 [2021-11-20 06:26:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:03,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:03,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:03,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390527470] [2021-11-20 06:26:03,725 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:03,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771654758] [2021-11-20 06:26:03,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771654758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:03,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:03,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:26:03,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741149039] [2021-11-20 06:26:03,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:03,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:03,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:03,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:03,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:03,730 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-11-20 06:26:03,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 290 transitions, 620 flow. Second operand has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-11-20 06:26:03,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:03,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-11-20 06:26:03,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:04,441 INFO L129 PetriNetUnfolder]: 745/2919 cut-off events. [2021-11-20 06:26:04,441 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-20 06:26:04,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4619 conditions, 2919 events. 745/2919 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 18420 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4187. Up to 1575 conditions per place. [2021-11-20 06:26:04,465 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 104 selfloop transitions, 5 changer transitions 0/289 dead transitions. [2021-11-20 06:26:04,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 289 transitions, 836 flow [2021-11-20 06:26:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:26:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:26:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1184 transitions. [2021-11-20 06:26:04,470 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6469945355191257 [2021-11-20 06:26:04,471 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1184 transitions. [2021-11-20 06:26:04,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1184 transitions. [2021-11-20 06:26:04,472 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:04,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1184 transitions. [2021-11-20 06:26:04,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.33333333333334) internal successors, (1184), 6 states have internal predecessors, (1184), 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) [2021-11-20 06:26:04,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:04,481 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:04,481 INFO L186 Difference]: Start difference. First operand has 297 places, 290 transitions, 620 flow. Second operand 6 states and 1184 transitions. [2021-11-20 06:26:04,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 289 transitions, 836 flow [2021-11-20 06:26:04,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 289 transitions, 826 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:26:04,489 INFO L242 Difference]: Finished difference. Result has 296 places, 289 transitions, 618 flow [2021-11-20 06:26:04,490 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=618, PETRI_PLACES=296, PETRI_TRANSITIONS=289} [2021-11-20 06:26:04,490 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 0 predicate places. [2021-11-20 06:26:04,491 INFO L470 AbstractCegarLoop]: Abstraction has has 296 places, 289 transitions, 618 flow [2021-11-20 06:26:04,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 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) [2021-11-20 06:26:04,492 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:04,492 INFO L254 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] [2021-11-20 06:26:04,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:04,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:04,709 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:04,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:04,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1831521313, now seen corresponding path program 1 times [2021-11-20 06:26:04,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:04,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966421810] [2021-11-20 06:26:04,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:04,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:04,723 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:04,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209732370] [2021-11-20 06:26:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:04,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:04,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:04,725 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:04,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 06:26:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:04,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:04,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:05,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:26:05,051 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-20 06:26:05,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-20 06:26:05,099 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-20 06:26:05,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 06:26:05,151 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-20 06:26:05,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-11-20 06:26:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:05,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:05,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:05,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966421810] [2021-11-20 06:26:05,172 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:05,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209732370] [2021-11-20 06:26:05,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209732370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:05,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:05,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:26:05,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758256055] [2021-11-20 06:26:05,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:05,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:05,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:05,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:05,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:05,176 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 305 [2021-11-20 06:26:05,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 289 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2021-11-20 06:26:05,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:05,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 305 [2021-11-20 06:26:05,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:06,034 INFO L129 PetriNetUnfolder]: 745/2915 cut-off events. [2021-11-20 06:26:06,034 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-20 06:26:06,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4607 conditions, 2915 events. 745/2915 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 18428 event pairs, 600 based on Foata normal form. 0/2556 useless extension candidates. Maximal degree in co-relation 4197. Up to 1567 conditions per place. [2021-11-20 06:26:06,061 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 102 selfloop transitions, 5 changer transitions 0/288 dead transitions. [2021-11-20 06:26:06,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 288 transitions, 830 flow [2021-11-20 06:26:06,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:26:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:26:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1188 transitions. [2021-11-20 06:26:06,067 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6491803278688525 [2021-11-20 06:26:06,067 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1188 transitions. [2021-11-20 06:26:06,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1188 transitions. [2021-11-20 06:26:06,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:06,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1188 transitions. [2021-11-20 06:26:06,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 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) [2021-11-20 06:26:06,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:06,078 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:06,079 INFO L186 Difference]: Start difference. First operand has 296 places, 289 transitions, 618 flow. Second operand 6 states and 1188 transitions. [2021-11-20 06:26:06,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 288 transitions, 830 flow [2021-11-20 06:26:06,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 288 transitions, 820 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:26:06,088 INFO L242 Difference]: Finished difference. Result has 295 places, 288 transitions, 616 flow [2021-11-20 06:26:06,088 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=616, PETRI_PLACES=295, PETRI_TRANSITIONS=288} [2021-11-20 06:26:06,089 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, -1 predicate places. [2021-11-20 06:26:06,089 INFO L470 AbstractCegarLoop]: Abstraction has has 295 places, 288 transitions, 616 flow [2021-11-20 06:26:06,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2021-11-20 06:26:06,090 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:06,091 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:06,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:06,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 06:26:06,305 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:06,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2114089264, now seen corresponding path program 1 times [2021-11-20 06:26:06,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:06,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633927558] [2021-11-20 06:26:06,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:06,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:06,327 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:06,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430708439] [2021-11-20 06:26:06,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:06,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:06,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:06,329 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:06,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-20 06:26:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:06,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:26:06,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:06,827 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:07,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:07,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633927558] [2021-11-20 06:26:07,222 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:07,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430708439] [2021-11-20 06:26:07,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430708439] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:26:07,223 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:26:07,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 06:26:07,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061741035] [2021-11-20 06:26:07,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:26:07,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:26:07,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:07,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:26:07,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:26:07,232 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 305 [2021-11-20 06:26:07,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 288 transitions, 616 flow. Second operand has 8 states, 8 states have (on average 289.0) internal successors, (2312), 8 states have internal predecessors, (2312), 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) [2021-11-20 06:26:07,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:07,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 305 [2021-11-20 06:26:07,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:07,444 INFO L129 PetriNetUnfolder]: 7/769 cut-off events. [2021-11-20 06:26:07,445 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-20 06:26:07,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 886 conditions, 769 events. 7/769 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 533 event pairs, 0 based on Foata normal form. 4/759 useless extension candidates. Maximal degree in co-relation 351. Up to 13 conditions per place. [2021-11-20 06:26:07,448 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 12 selfloop transitions, 9 changer transitions 0/298 dead transitions. [2021-11-20 06:26:07,449 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 298 transitions, 680 flow [2021-11-20 06:26:07,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:26:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:26:07,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2606 transitions. [2021-11-20 06:26:07,460 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9493624772313297 [2021-11-20 06:26:07,460 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2606 transitions. [2021-11-20 06:26:07,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2606 transitions. [2021-11-20 06:26:07,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:07,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2606 transitions. [2021-11-20 06:26:07,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 289.55555555555554) internal successors, (2606), 9 states have internal predecessors, (2606), 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) [2021-11-20 06:26:07,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-11-20 06:26:07,482 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-11-20 06:26:07,482 INFO L186 Difference]: Start difference. First operand has 295 places, 288 transitions, 616 flow. Second operand 9 states and 2606 transitions. [2021-11-20 06:26:07,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 298 transitions, 680 flow [2021-11-20 06:26:07,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 298 transitions, 670 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-20 06:26:07,491 INFO L242 Difference]: Finished difference. Result has 301 places, 294 transitions, 656 flow [2021-11-20 06:26:07,492 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=656, PETRI_PLACES=301, PETRI_TRANSITIONS=294} [2021-11-20 06:26:07,493 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 5 predicate places. [2021-11-20 06:26:07,493 INFO L470 AbstractCegarLoop]: Abstraction has has 301 places, 294 transitions, 656 flow [2021-11-20 06:26:07,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 289.0) internal successors, (2312), 8 states have internal predecessors, (2312), 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) [2021-11-20 06:26:07,494 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:07,495 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:07,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:07,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-20 06:26:07,709 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:07,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:07,710 INFO L85 PathProgramCache]: Analyzing trace with hash 516908112, now seen corresponding path program 2 times [2021-11-20 06:26:07,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:07,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096436572] [2021-11-20 06:26:07,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:07,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:07,733 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:07,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [459438757] [2021-11-20 06:26:07,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:26:07,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:07,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:07,735 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:07,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-20 06:26:07,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:26:07,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:26:07,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:07,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:08,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-20 06:26:08,404 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-11-20 06:26:08,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-20 06:26:08,455 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-11-20 06:26:08,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2021-11-20 06:26:08,511 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-11-20 06:26:08,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2021-11-20 06:26:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-11-20 06:26:08,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:08,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:08,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096436572] [2021-11-20 06:26:08,539 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:08,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459438757] [2021-11-20 06:26:08,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459438757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:08,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:08,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:26:08,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330831012] [2021-11-20 06:26:08,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:08,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:08,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:08,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:08,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:08,546 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 305 [2021-11-20 06:26:08,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 294 transitions, 656 flow. Second operand has 6 states, 6 states have (on average 176.16666666666666) internal successors, (1057), 6 states have internal predecessors, (1057), 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) [2021-11-20 06:26:08,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:08,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 305 [2021-11-20 06:26:08,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:10,417 INFO L129 PetriNetUnfolder]: 1693/4834 cut-off events. [2021-11-20 06:26:10,417 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-11-20 06:26:10,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8525 conditions, 4834 events. 1693/4834 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 31906 event pairs, 775 based on Foata normal form. 0/4227 useless extension candidates. Maximal degree in co-relation 7873. Up to 2615 conditions per place. [2021-11-20 06:26:10,470 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 235 selfloop transitions, 23 changer transitions 0/430 dead transitions. [2021-11-20 06:26:10,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 430 transitions, 1452 flow [2021-11-20 06:26:10,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:26:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:26:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1249 transitions. [2021-11-20 06:26:10,475 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6825136612021858 [2021-11-20 06:26:10,476 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1249 transitions. [2021-11-20 06:26:10,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1249 transitions. [2021-11-20 06:26:10,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:10,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1249 transitions. [2021-11-20 06:26:10,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.16666666666666) internal successors, (1249), 6 states have internal predecessors, (1249), 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) [2021-11-20 06:26:10,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:10,484 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:10,484 INFO L186 Difference]: Start difference. First operand has 301 places, 294 transitions, 656 flow. Second operand 6 states and 1249 transitions. [2021-11-20 06:26:10,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 430 transitions, 1452 flow [2021-11-20 06:26:10,489 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 430 transitions, 1446 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-11-20 06:26:10,497 INFO L242 Difference]: Finished difference. Result has 310 places, 316 transitions, 808 flow [2021-11-20 06:26:10,497 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=300, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=808, PETRI_PLACES=310, PETRI_TRANSITIONS=316} [2021-11-20 06:26:10,498 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 14 predicate places. [2021-11-20 06:26:10,498 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 316 transitions, 808 flow [2021-11-20 06:26:10,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.16666666666666) internal successors, (1057), 6 states have internal predecessors, (1057), 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) [2021-11-20 06:26:10,499 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:10,500 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:10,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:10,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-20 06:26:10,725 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:10,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:10,726 INFO L85 PathProgramCache]: Analyzing trace with hash 105158886, now seen corresponding path program 1 times [2021-11-20 06:26:10,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:10,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557778332] [2021-11-20 06:26:10,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:10,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:10,750 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:10,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231375464] [2021-11-20 06:26:10,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:10,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:10,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:10,752 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:10,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-20 06:26:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:10,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 06:26:10,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:11,707 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:11,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:12,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:12,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557778332] [2021-11-20 06:26:12,569 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:12,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231375464] [2021-11-20 06:26:12,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231375464] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:26:12,569 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:26:12,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-20 06:26:12,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151046429] [2021-11-20 06:26:12,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:26:12,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-20 06:26:12,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:12,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-20 06:26:12,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-11-20 06:26:12,577 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 305 [2021-11-20 06:26:12,580 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 316 transitions, 808 flow. Second operand has 16 states, 16 states have (on average 289.3125) internal successors, (4629), 16 states have internal predecessors, (4629), 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) [2021-11-20 06:26:12,581 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:12,581 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 305 [2021-11-20 06:26:12,581 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:13,329 INFO L129 PetriNetUnfolder]: 60/2043 cut-off events. [2021-11-20 06:26:13,329 INFO L130 PetriNetUnfolder]: For 89/94 co-relation queries the response was YES. [2021-11-20 06:26:13,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2456 conditions, 2043 events. 60/2043 cut-off events. For 89/94 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4281 event pairs, 8 based on Foata normal form. 8/1975 useless extension candidates. Maximal degree in co-relation 1944. Up to 65 conditions per place. [2021-11-20 06:26:13,340 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 20 selfloop transitions, 21 changer transitions 0/340 dead transitions. [2021-11-20 06:26:13,340 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 340 transitions, 990 flow [2021-11-20 06:26:13,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-20 06:26:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-20 06:26:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6072 transitions. [2021-11-20 06:26:13,358 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9480093676814988 [2021-11-20 06:26:13,358 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 6072 transitions. [2021-11-20 06:26:13,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 6072 transitions. [2021-11-20 06:26:13,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:13,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 6072 transitions. [2021-11-20 06:26:13,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 289.14285714285717) internal successors, (6072), 21 states have internal predecessors, (6072), 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) [2021-11-20 06:26:13,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 305.0) internal successors, (6710), 22 states have internal predecessors, (6710), 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) [2021-11-20 06:26:13,393 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 305.0) internal successors, (6710), 22 states have internal predecessors, (6710), 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) [2021-11-20 06:26:13,393 INFO L186 Difference]: Start difference. First operand has 310 places, 316 transitions, 808 flow. Second operand 21 states and 6072 transitions. [2021-11-20 06:26:13,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 340 transitions, 990 flow [2021-11-20 06:26:13,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 340 transitions, 990 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:26:13,403 INFO L242 Difference]: Finished difference. Result has 335 places, 329 transitions, 938 flow [2021-11-20 06:26:13,404 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=938, PETRI_PLACES=335, PETRI_TRANSITIONS=329} [2021-11-20 06:26:13,404 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 39 predicate places. [2021-11-20 06:26:13,405 INFO L470 AbstractCegarLoop]: Abstraction has has 335 places, 329 transitions, 938 flow [2021-11-20 06:26:13,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 289.3125) internal successors, (4629), 16 states have internal predecessors, (4629), 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) [2021-11-20 06:26:13,406 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:13,407 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:13,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:13,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-20 06:26:13,633 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:13,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:13,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1817311450, now seen corresponding path program 2 times [2021-11-20 06:26:13,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:13,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727126284] [2021-11-20 06:26:13,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:13,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:13,660 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:13,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831216417] [2021-11-20 06:26:13,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:26:13,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:13,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:13,662 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:13,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 06:26:13,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:26:13,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:26:13,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:13,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:14,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-20 06:26:14,872 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-11-20 06:26:14,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-20 06:26:14,908 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-11-20 06:26:14,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2021-11-20 06:26:14,961 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-11-20 06:26:14,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2021-11-20 06:26:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2021-11-20 06:26:14,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:14,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:14,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727126284] [2021-11-20 06:26:14,988 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:14,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831216417] [2021-11-20 06:26:14,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831216417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:14,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:14,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:26:14,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574252624] [2021-11-20 06:26:14,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:14,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:14,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:14,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:14,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:14,993 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 305 [2021-11-20 06:26:14,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 329 transitions, 938 flow. Second operand has 6 states, 6 states have (on average 176.33333333333334) internal successors, (1058), 6 states have internal predecessors, (1058), 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) [2021-11-20 06:26:14,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:14,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 305 [2021-11-20 06:26:14,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:18,239 INFO L129 PetriNetUnfolder]: 2504/7508 cut-off events. [2021-11-20 06:26:18,239 INFO L130 PetriNetUnfolder]: For 1353/1361 co-relation queries the response was YES. [2021-11-20 06:26:18,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14374 conditions, 7508 events. 2504/7508 cut-off events. For 1353/1361 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 49091 event pairs, 904 based on Foata normal form. 0/6660 useless extension candidates. Maximal degree in co-relation 13098. Up to 3999 conditions per place. [2021-11-20 06:26:18,304 INFO L132 encePairwiseOnDemand]: 293/305 looper letters, 268 selfloop transitions, 31 changer transitions 0/485 dead transitions. [2021-11-20 06:26:18,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 485 transitions, 2010 flow [2021-11-20 06:26:18,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:26:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:26:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1245 transitions. [2021-11-20 06:26:18,309 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.680327868852459 [2021-11-20 06:26:18,309 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1245 transitions. [2021-11-20 06:26:18,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1245 transitions. [2021-11-20 06:26:18,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:18,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1245 transitions. [2021-11-20 06:26:18,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.5) internal successors, (1245), 6 states have internal predecessors, (1245), 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) [2021-11-20 06:26:18,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:18,318 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:18,318 INFO L186 Difference]: Start difference. First operand has 335 places, 329 transitions, 938 flow. Second operand 6 states and 1245 transitions. [2021-11-20 06:26:18,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 485 transitions, 2010 flow [2021-11-20 06:26:18,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 485 transitions, 1986 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-11-20 06:26:18,332 INFO L242 Difference]: Finished difference. Result has 339 places, 359 transitions, 1172 flow [2021-11-20 06:26:18,333 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=914, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1172, PETRI_PLACES=339, PETRI_TRANSITIONS=359} [2021-11-20 06:26:18,333 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 43 predicate places. [2021-11-20 06:26:18,334 INFO L470 AbstractCegarLoop]: Abstraction has has 339 places, 359 transitions, 1172 flow [2021-11-20 06:26:18,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.33333333333334) internal successors, (1058), 6 states have internal predecessors, (1058), 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) [2021-11-20 06:26:18,334 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:18,335 INFO L254 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:18,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:18,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-20 06:26:18,549 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:18,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:18,550 INFO L85 PathProgramCache]: Analyzing trace with hash -365266726, now seen corresponding path program 1 times [2021-11-20 06:26:18,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:18,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003611298] [2021-11-20 06:26:18,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:18,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:18,600 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:18,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1184351756] [2021-11-20 06:26:18,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:18,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:18,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:18,602 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:18,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-20 06:26:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:18,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 1616 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-20 06:26:18,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:20,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:20,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:21,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:21,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003611298] [2021-11-20 06:26:21,994 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:21,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184351756] [2021-11-20 06:26:21,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184351756] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:26:21,994 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:26:21,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-11-20 06:26:21,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038739196] [2021-11-20 06:26:21,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:26:21,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-20 06:26:21,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:21,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-20 06:26:21,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2021-11-20 06:26:22,007 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 305 [2021-11-20 06:26:22,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 359 transitions, 1172 flow. Second operand has 32 states, 32 states have (on average 289.375) internal successors, (9260), 32 states have internal predecessors, (9260), 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) [2021-11-20 06:26:22,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:22,016 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 305 [2021-11-20 06:26:22,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:24,280 INFO L129 PetriNetUnfolder]: 157/4133 cut-off events. [2021-11-20 06:26:24,280 INFO L130 PetriNetUnfolder]: For 848/860 co-relation queries the response was YES. [2021-11-20 06:26:24,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5393 conditions, 4133 events. 157/4133 cut-off events. For 848/860 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 10160 event pairs, 15 based on Foata normal form. 17/4017 useless extension candidates. Maximal degree in co-relation 3924. Up to 106 conditions per place. [2021-11-20 06:26:24,302 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 36 selfloop transitions, 45 changer transitions 0/410 dead transitions. [2021-11-20 06:26:24,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 410 transitions, 1634 flow [2021-11-20 06:26:24,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-20 06:26:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-11-20 06:26:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 13004 transitions. [2021-11-20 06:26:24,321 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9474681238615665 [2021-11-20 06:26:24,321 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 13004 transitions. [2021-11-20 06:26:24,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 13004 transitions. [2021-11-20 06:26:24,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:24,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 13004 transitions. [2021-11-20 06:26:24,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 288.97777777777776) internal successors, (13004), 45 states have internal predecessors, (13004), 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) [2021-11-20 06:26:24,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 305.0) internal successors, (14030), 46 states have internal predecessors, (14030), 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) [2021-11-20 06:26:24,371 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 305.0) internal successors, (14030), 46 states have internal predecessors, (14030), 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) [2021-11-20 06:26:24,372 INFO L186 Difference]: Start difference. First operand has 339 places, 359 transitions, 1172 flow. Second operand 45 states and 13004 transitions. [2021-11-20 06:26:24,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 410 transitions, 1634 flow [2021-11-20 06:26:24,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 410 transitions, 1634 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:26:24,387 INFO L242 Difference]: Finished difference. Result has 392 places, 384 transitions, 1474 flow [2021-11-20 06:26:24,388 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=1172, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=1474, PETRI_PLACES=392, PETRI_TRANSITIONS=384} [2021-11-20 06:26:24,388 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 96 predicate places. [2021-11-20 06:26:24,388 INFO L470 AbstractCegarLoop]: Abstraction has has 392 places, 384 transitions, 1474 flow [2021-11-20 06:26:24,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 289.375) internal successors, (9260), 32 states have internal predecessors, (9260), 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) [2021-11-20 06:26:24,392 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:24,393 INFO L254 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:24,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:24,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-20 06:26:24,621 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:24,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:24,622 INFO L85 PathProgramCache]: Analyzing trace with hash -634915494, now seen corresponding path program 2 times [2021-11-20 06:26:24,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:24,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319069595] [2021-11-20 06:26:24,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:24,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:24,686 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:24,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497330077] [2021-11-20 06:26:24,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:26:24,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:24,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:24,688 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:24,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-20 06:26:24,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:26:24,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:26:24,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:24,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:26,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:26:26,898 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-20 06:26:26,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-20 06:26:26,940 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-20 06:26:26,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 06:26:26,995 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-20 06:26:26,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-11-20 06:26:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9571 trivial. 0 not checked. [2021-11-20 06:26:27,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:27,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:27,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319069595] [2021-11-20 06:26:27,018 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:27,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497330077] [2021-11-20 06:26:27,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497330077] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:27,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:27,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:26:27,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030882990] [2021-11-20 06:26:27,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:27,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:27,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:27,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:27,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:27,023 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-11-20 06:26:27,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 384 transitions, 1474 flow. Second operand has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:27,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:27,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-11-20 06:26:27,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:32,902 INFO L129 PetriNetUnfolder]: 2016/8395 cut-off events. [2021-11-20 06:26:32,903 INFO L130 PetriNetUnfolder]: For 3332/3340 co-relation queries the response was YES. [2021-11-20 06:26:32,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16591 conditions, 8395 events. 2016/8395 cut-off events. For 3332/3340 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 45511 event pairs, 810 based on Foata normal form. 0/7824 useless extension candidates. Maximal degree in co-relation 14070. Up to 4170 conditions per place. [2021-11-20 06:26:32,972 INFO L132 encePairwiseOnDemand]: 294/305 looper letters, 253 selfloop transitions, 55 changer transitions 0/534 dead transitions. [2021-11-20 06:26:32,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 534 transitions, 2714 flow [2021-11-20 06:26:32,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:26:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:26:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1289 transitions. [2021-11-20 06:26:32,975 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7043715846994536 [2021-11-20 06:26:32,976 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1289 transitions. [2021-11-20 06:26:32,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1289 transitions. [2021-11-20 06:26:32,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:32,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1289 transitions. [2021-11-20 06:26:32,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 214.83333333333334) internal successors, (1289), 6 states have internal predecessors, (1289), 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) [2021-11-20 06:26:32,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:32,983 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:26:32,983 INFO L186 Difference]: Start difference. First operand has 392 places, 384 transitions, 1474 flow. Second operand 6 states and 1289 transitions. [2021-11-20 06:26:32,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 534 transitions, 2714 flow [2021-11-20 06:26:33,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 534 transitions, 2658 flow, removed 10 selfloop flow, removed 18 redundant places. [2021-11-20 06:26:33,080 INFO L242 Difference]: Finished difference. Result has 384 places, 433 transitions, 1972 flow [2021-11-20 06:26:33,081 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=1418, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1972, PETRI_PLACES=384, PETRI_TRANSITIONS=433} [2021-11-20 06:26:33,081 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 88 predicate places. [2021-11-20 06:26:33,081 INFO L470 AbstractCegarLoop]: Abstraction has has 384 places, 433 transitions, 1972 flow [2021-11-20 06:26:33,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.83333333333334) internal successors, (1139), 6 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:26:33,082 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:33,083 INFO L254 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:33,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:33,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:33,309 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:33,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:33,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1276591888, now seen corresponding path program 1 times [2021-11-20 06:26:33,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:33,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043971932] [2021-11-20 06:26:33,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:33,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:33,361 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:33,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706062897] [2021-11-20 06:26:33,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:33,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:33,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:33,380 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:33,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-20 06:26:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:26:33,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 3283 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-20 06:26:33,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:37,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:26:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:26:40,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:40,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043971932] [2021-11-20 06:26:40,485 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:40,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706062897] [2021-11-20 06:26:40,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706062897] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:26:40,485 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:26:40,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2021-11-20 06:26:40,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488736680] [2021-11-20 06:26:40,487 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:26:40,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2021-11-20 06:26:40,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:40,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-11-20 06:26:40,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2021-11-20 06:26:40,510 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 287 out of 305 [2021-11-20 06:26:40,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 433 transitions, 1972 flow. Second operand has 61 states, 61 states have (on average 289.4918032786885) internal successors, (17659), 61 states have internal predecessors, (17659), 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) [2021-11-20 06:26:40,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:40,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 287 of 305 [2021-11-20 06:26:40,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:26:47,541 INFO L129 PetriNetUnfolder]: 254/7286 cut-off events. [2021-11-20 06:26:47,542 INFO L130 PetriNetUnfolder]: For 5527/5591 co-relation queries the response was YES. [2021-11-20 06:26:47,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10180 conditions, 7286 events. 254/7286 cut-off events. For 5527/5591 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 13802 event pairs, 15 based on Foata normal form. 46/7173 useless extension candidates. Maximal degree in co-relation 8433. Up to 196 conditions per place. [2021-11-20 06:26:47,569 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 66 selfloop transitions, 90 changer transitions 0/534 dead transitions. [2021-11-20 06:26:47,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 534 transitions, 3058 flow [2021-11-20 06:26:47,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-11-20 06:26:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-11-20 06:26:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 26001 transitions. [2021-11-20 06:26:47,607 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9472131147540983 [2021-11-20 06:26:47,607 INFO L72 ComplementDD]: Start complementDD. Operand 90 states and 26001 transitions. [2021-11-20 06:26:47,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 26001 transitions. [2021-11-20 06:26:47,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:26:47,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 90 states and 26001 transitions. [2021-11-20 06:26:47,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 91 states, 90 states have (on average 288.9) internal successors, (26001), 90 states have internal predecessors, (26001), 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) [2021-11-20 06:26:47,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 91 states, 91 states have (on average 305.0) internal successors, (27755), 91 states have internal predecessors, (27755), 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) [2021-11-20 06:26:47,700 INFO L81 ComplementDD]: Finished complementDD. Result has 91 states, 91 states have (on average 305.0) internal successors, (27755), 91 states have internal predecessors, (27755), 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) [2021-11-20 06:26:47,701 INFO L186 Difference]: Start difference. First operand has 384 places, 433 transitions, 1972 flow. Second operand 90 states and 26001 transitions. [2021-11-20 06:26:47,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 534 transitions, 3058 flow [2021-11-20 06:26:47,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 534 transitions, 3058 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:26:47,739 INFO L242 Difference]: Finished difference. Result has 489 places, 479 transitions, 2626 flow [2021-11-20 06:26:47,740 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=1972, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=2626, PETRI_PLACES=489, PETRI_TRANSITIONS=479} [2021-11-20 06:26:47,740 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 193 predicate places. [2021-11-20 06:26:47,740 INFO L470 AbstractCegarLoop]: Abstraction has has 489 places, 479 transitions, 2626 flow [2021-11-20 06:26:47,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 289.4918032786885) internal successors, (17659), 61 states have internal predecessors, (17659), 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) [2021-11-20 06:26:47,744 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:26:47,745 INFO L254 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:26:47,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:26:47,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-20 06:26:47,969 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:26:47,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:26:47,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1275448139, now seen corresponding path program 2 times [2021-11-20 06:26:47,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:26:47,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108159529] [2021-11-20 06:26:47,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:26:47,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:26:48,024 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:26:48,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1201547638] [2021-11-20 06:26:48,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:26:48,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:26:48,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:26:48,025 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:26:48,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-20 06:26:48,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:26:48,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:26:48,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:26:48,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:26:51,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:26:51,876 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-20 06:26:51,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-20 06:26:51,903 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-20 06:26:51,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 06:26:51,943 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-20 06:26:51,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-11-20 06:26:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39616 trivial. 0 not checked. [2021-11-20 06:26:51,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:26:51,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:26:51,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108159529] [2021-11-20 06:26:51,973 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:26:51,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201547638] [2021-11-20 06:26:51,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201547638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:26:51,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:26:51,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:26:51,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38931700] [2021-11-20 06:26:51,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:26:51,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:26:51,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:26:51,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:26:51,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:26:51,979 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 305 [2021-11-20 06:26:51,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 479 transitions, 2626 flow. Second operand has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-11-20 06:26:51,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:26:51,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 305 [2021-11-20 06:26:51,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:03,956 INFO L129 PetriNetUnfolder]: 2129/11345 cut-off events. [2021-11-20 06:27:03,956 INFO L130 PetriNetUnfolder]: For 7941/7967 co-relation queries the response was YES. [2021-11-20 06:27:04,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23747 conditions, 11345 events. 2129/11345 cut-off events. For 7941/7967 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 46849 event pairs, 758 based on Foata normal form. 3/10861 useless extension candidates. Maximal degree in co-relation 18807. Up to 5537 conditions per place. [2021-11-20 06:27:04,033 INFO L132 encePairwiseOnDemand]: 294/305 looper letters, 306 selfloop transitions, 79 changer transitions 0/657 dead transitions. [2021-11-20 06:27:04,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 657 transitions, 4384 flow [2021-11-20 06:27:04,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:27:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 06:27:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1285 transitions. [2021-11-20 06:27:04,036 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7021857923497268 [2021-11-20 06:27:04,036 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1285 transitions. [2021-11-20 06:27:04,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1285 transitions. [2021-11-20 06:27:04,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:04,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1285 transitions. [2021-11-20 06:27:04,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 214.16666666666666) internal successors, (1285), 6 states have internal predecessors, (1285), 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) [2021-11-20 06:27:04,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:27:04,041 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 305.0) internal successors, (2135), 7 states have internal predecessors, (2135), 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) [2021-11-20 06:27:04,042 INFO L186 Difference]: Start difference. First operand has 489 places, 479 transitions, 2626 flow. Second operand 6 states and 1285 transitions. [2021-11-20 06:27:04,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 657 transitions, 4384 flow [2021-11-20 06:27:04,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 657 transitions, 4266 flow, removed 17 selfloop flow, removed 42 redundant places. [2021-11-20 06:27:04,107 INFO L242 Difference]: Finished difference. Result has 457 places, 544 transitions, 3406 flow [2021-11-20 06:27:04,108 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=2508, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=479, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3406, PETRI_PLACES=457, PETRI_TRANSITIONS=544} [2021-11-20 06:27:04,109 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 161 predicate places. [2021-11-20 06:27:04,109 INFO L470 AbstractCegarLoop]: Abstraction has has 457 places, 544 transitions, 3406 flow [2021-11-20 06:27:04,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 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) [2021-11-20 06:27:04,109 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:04,111 INFO L254 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:04,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:27:04,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-20 06:27:04,321 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:27:04,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:04,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1586935174, now seen corresponding path program 1 times [2021-11-20 06:27:04,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:04,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207790779] [2021-11-20 06:27:04,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:04,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:04,408 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:27:04,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690059888] [2021-11-20 06:27:04,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:04,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:27:04,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:27:04,410 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:27:04,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-20 06:27:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:27:05,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 6372 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:27:05,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:27:11,470 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2021-11-20 06:27:11,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:27:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2021-11-20 06:27:17,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:17,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207790779] [2021-11-20 06:27:17,483 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:27:17,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690059888] [2021-11-20 06:27:17,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690059888] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:27:17,484 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-20 06:27:17,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-20 06:27:17,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69691955] [2021-11-20 06:27:17,486 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-20 06:27:17,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:27:17,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:17,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:27:17,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:27:17,494 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 284 out of 305 [2021-11-20 06:27:17,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 544 transitions, 3406 flow. Second operand has 8 states, 8 states have (on average 286.75) internal successors, (2294), 8 states have internal predecessors, (2294), 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) [2021-11-20 06:27:17,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:17,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 284 of 305 [2021-11-20 06:27:17,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:27:30,787 INFO L129 PetriNetUnfolder]: 363/10459 cut-off events. [2021-11-20 06:27:30,787 INFO L130 PetriNetUnfolder]: For 6946/7119 co-relation queries the response was YES. [2021-11-20 06:27:30,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15315 conditions, 10459 events. 363/10459 cut-off events. For 6946/7119 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 16839 event pairs, 11 based on Foata normal form. 62/10362 useless extension candidates. Maximal degree in co-relation 12175. Up to 248 conditions per place. [2021-11-20 06:27:30,834 INFO L132 encePairwiseOnDemand]: 299/305 looper letters, 21 selfloop transitions, 9 changer transitions 0/560 dead transitions. [2021-11-20 06:27:30,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 560 transitions, 3500 flow [2021-11-20 06:27:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:27:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:27:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2588 transitions. [2021-11-20 06:27:30,837 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9428051001821494 [2021-11-20 06:27:30,837 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2588 transitions. [2021-11-20 06:27:30,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2588 transitions. [2021-11-20 06:27:30,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:27:30,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2588 transitions. [2021-11-20 06:27:30,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 287.55555555555554) internal successors, (2588), 9 states have internal predecessors, (2588), 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) [2021-11-20 06:27:30,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-11-20 06:27:30,844 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 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) [2021-11-20 06:27:30,844 INFO L186 Difference]: Start difference. First operand has 457 places, 544 transitions, 3406 flow. Second operand 9 states and 2588 transitions. [2021-11-20 06:27:30,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 560 transitions, 3500 flow [2021-11-20 06:27:30,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 560 transitions, 3500 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 06:27:30,898 INFO L242 Difference]: Finished difference. Result has 468 places, 550 transitions, 3456 flow [2021-11-20 06:27:30,899 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=305, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3456, PETRI_PLACES=468, PETRI_TRANSITIONS=550} [2021-11-20 06:27:30,899 INFO L334 CegarLoopForPetriNet]: 296 programPoint places, 172 predicate places. [2021-11-20 06:27:30,899 INFO L470 AbstractCegarLoop]: Abstraction has has 468 places, 550 transitions, 3456 flow [2021-11-20 06:27:30,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 286.75) internal successors, (2294), 8 states have internal predecessors, (2294), 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) [2021-11-20 06:27:30,900 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:27:30,903 INFO L254 CegarLoopForPetriNet]: trace histogram [90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:27:30,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:27:31,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:27:31,129 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2021-11-20 06:27:31,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:27:31,131 INFO L85 PathProgramCache]: Analyzing trace with hash -205919684, now seen corresponding path program 2 times [2021-11-20 06:27:31,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:27:31,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459225483] [2021-11-20 06:27:31,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:27:31,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:27:31,267 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:27:31,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692782843] [2021-11-20 06:27:31,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:27:31,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:27:31,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:27:31,268 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:27:31,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a3bb751-72b0-47f6-972c-fc1f08834ea7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-20 06:27:31,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:27:31,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:27:32,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:27:32,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:27:42,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-20 06:27:42,579 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-11-20 06:27:42,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2021-11-20 06:27:42,605 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-20 06:27:42,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-20 06:27:42,644 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-20 06:27:42,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2021-11-20 06:27:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 364812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364812 trivial. 0 not checked. [2021-11-20 06:27:42,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:27:42,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:27:42,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459225483] [2021-11-20 06:27:42,683 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 06:27:42,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692782843] [2021-11-20 06:27:42,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692782843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:27:42,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:27:42,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:27:42,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228124442] [2021-11-20 06:27:42,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:27:42,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:27:42,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:27:42,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:27:42,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:27:42,692 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 305 [2021-11-20 06:27:42,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 550 transitions, 3456 flow. Second operand has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 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) [2021-11-20 06:27:42,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:27:42,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 305 [2021-11-20 06:27:42,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand