./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa --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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:44:54,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:44:54,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:44:54,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:44:54,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:44:54,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:44:54,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:44:54,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:44:54,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:44:54,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:44:54,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:44:54,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:44:54,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:44:54,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:44:54,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:44:54,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:44:54,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:44:54,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:44:54,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:44:54,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:44:54,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:44:54,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:44:54,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:44:54,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:44:54,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:44:54,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:44:54,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:44:54,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:44:54,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:44:54,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:44:54,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:44:54,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:44:54,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:44:54,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:44:54,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:44:54,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:44:54,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:44:54,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:44:54,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:44:54,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:44:54,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:44:54,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-12-06 23:44:54,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:44:54,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:44:54,372 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:44:54,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:44:54,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:44:54,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:44:54,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:44:54,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:44:54,374 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:44:54,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:44:54,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:44:54,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:44:54,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:44:54,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:44:54,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:44:54,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:44:54,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:44:54,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:44:54,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:44:54,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:44:54,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:44:54,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:44:54,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:44:54,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:44:54,377 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:44:54,377 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:44:54,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:44:54,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:44:54,377 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_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2021-12-06 23:44:54,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:44:54,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:44:54,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:44:54,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:44:54,589 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:44:54,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2021-12-06 23:44:54,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/data/5169efba0/2461ff0ac309491895769dbc249f2e68/FLAG2c7a1491f [2021-12-06 23:44:55,054 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:44:55,054 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2021-12-06 23:44:55,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/data/5169efba0/2461ff0ac309491895769dbc249f2e68/FLAG2c7a1491f [2021-12-06 23:44:55,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/data/5169efba0/2461ff0ac309491895769dbc249f2e68 [2021-12-06 23:44:55,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:44:55,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:44:55,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:44:55,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:44:55,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:44:55,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507f613f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55, skipping insertion in model container [2021-12-06 23:44:55,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:44:55,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:44:55,436 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:44:55,437 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:44:55,437 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:44:55,438 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:44:55,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:44:55,468 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:44:55,497 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:44:55,498 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:44:55,499 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:44:55,500 WARN L1533 CHandler]: Possible shadowing of function new [2021-12-06 23:44:55,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:44:55,550 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:44:55,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55 WrapperNode [2021-12-06 23:44:55,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:44:55,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:44:55,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:44:55,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:44:55,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,608 INFO L137 Inliner]: procedures = 273, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 256 [2021-12-06 23:44:55,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:44:55,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:44:55,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:44:55,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:44:55,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:44:55,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:44:55,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:44:55,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:44:55,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (1/1) ... [2021-12-06 23:44:55,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:44:55,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:44:55,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:44:55,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:44:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-12-06 23:44:55,716 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-12-06 23:44:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:44:55,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 23:44:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:44:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:44:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:44:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-06 23:44:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:44:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:44:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:44:55,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:44:55,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:44:55,718 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-06 23:44:55,827 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:44:55,829 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:44:56,160 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:44:56,170 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:44:56,170 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 23:44:56,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:44:56 BoogieIcfgContainer [2021-12-06 23:44:56,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:44:56,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:44:56,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:44:56,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:44:56,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:44:55" (1/3) ... [2021-12-06 23:44:56,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18495749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:44:56, skipping insertion in model container [2021-12-06 23:44:56,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:44:55" (2/3) ... [2021-12-06 23:44:56,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18495749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:44:56, skipping insertion in model container [2021-12-06 23:44:56,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:44:56" (3/3) ... [2021-12-06 23:44:56,180 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2021-12-06 23:44:56,185 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-06 23:44:56,185 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:44:56,185 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-12-06 23:44:56,185 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-06 23:44:56,229 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,229 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,229 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,230 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,230 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,230 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,230 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,230 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,230 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,231 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,231 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,231 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,231 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,231 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,232 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,232 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,232 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,232 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,232 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,232 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,233 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,233 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,233 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,233 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,233 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,234 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,234 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,234 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,234 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,234 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,234 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,235 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,235 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,235 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,235 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,235 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,235 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,236 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,236 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,236 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,236 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,236 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,236 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,237 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,237 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,237 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,237 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,237 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,238 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,238 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,238 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,238 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,238 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,238 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,239 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,239 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,239 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,239 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,239 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,239 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,240 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,240 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,240 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,240 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,240 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,241 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,241 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,241 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,241 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,242 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,242 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,242 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,242 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,243 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,243 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,243 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,243 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,243 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,243 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,244 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,244 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,244 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,244 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,244 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,244 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,245 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,245 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,245 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,245 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,245 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,245 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,246 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,246 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,246 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,246 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,246 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,246 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,247 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,247 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,247 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,247 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,247 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,247 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,248 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,248 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,248 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,248 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,248 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,249 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,249 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,249 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,249 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,249 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,249 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,250 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,250 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,250 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,250 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,250 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,250 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,251 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,251 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,251 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,251 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,251 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,251 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,252 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,252 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,252 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,252 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,252 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,252 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,253 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,253 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,253 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,253 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,253 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,253 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,254 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,254 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,254 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,254 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,254 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,255 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,255 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,255 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,255 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,255 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,255 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,256 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,256 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,256 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,256 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,256 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,256 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,257 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,257 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,257 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,257 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,257 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,257 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,258 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,258 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,258 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,258 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,258 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,258 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,259 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,259 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,259 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,259 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,259 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,259 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,259 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,260 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,260 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,260 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,260 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,260 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,260 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,261 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,261 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,261 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,261 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,261 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,261 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,262 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,262 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,262 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,262 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,262 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,262 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,263 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,263 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,263 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,263 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,263 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,263 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,264 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,264 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,264 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,264 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,264 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,264 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,264 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,265 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,265 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,265 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,265 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,265 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,265 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,266 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,266 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,266 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,266 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,266 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,266 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,267 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,267 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,267 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,267 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,267 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,267 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,268 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,268 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,268 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,268 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,268 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,268 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,269 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,269 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,269 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,269 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,269 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,269 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,270 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,270 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,270 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,270 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,270 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,270 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,270 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,271 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,271 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,271 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,271 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,271 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,271 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,271 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,272 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,272 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,272 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,272 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,272 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,273 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,273 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,273 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,273 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,274 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,274 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,274 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,274 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,274 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,274 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,275 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,275 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,275 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,275 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,275 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,275 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,275 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,276 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,276 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,276 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,276 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,276 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,276 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,276 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,277 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,277 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,277 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,277 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,277 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,277 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,277 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,278 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,278 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,278 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,278 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,278 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,278 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,279 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,279 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,279 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,279 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,279 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,279 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,279 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,280 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,280 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,280 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,280 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,280 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,280 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,281 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,281 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,281 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,281 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,281 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,281 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,282 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,282 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,282 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,282 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,282 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,282 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,282 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,283 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,283 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,283 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,283 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,283 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,284 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,284 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,284 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,284 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,284 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,285 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,285 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,285 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,285 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,285 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,285 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,286 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,286 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,286 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,286 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,286 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,286 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,286 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,287 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,287 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,287 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,287 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,287 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,287 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,288 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,288 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,288 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,288 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,288 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,288 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,288 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,289 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,289 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,289 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,289 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,289 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,289 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,289 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,290 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,290 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,290 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,290 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,290 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,290 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,290 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,290 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,291 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,291 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,291 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,291 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,291 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,291 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,291 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,291 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,292 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,292 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,292 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,292 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,292 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,292 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,292 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,292 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,293 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,293 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,293 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,293 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,293 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,293 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,293 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,293 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,294 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,294 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,294 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,294 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,294 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,294 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,294 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,294 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,295 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,296 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,296 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,296 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,296 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,296 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,296 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,296 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,296 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,297 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,298 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,299 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,300 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,300 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,300 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,300 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,300 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,300 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,300 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,300 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,301 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,301 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,301 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,301 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,301 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,301 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,301 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,301 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,302 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,302 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,302 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,302 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,302 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,302 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,302 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,303 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,304 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,305 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,308 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,308 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,308 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,308 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,309 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,310 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,310 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,310 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,310 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,310 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,310 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,310 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,310 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~pos~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~j~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~q~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,312 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_~p~3#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~nondet16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~post19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem21#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_#t~mem17#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 WARN L322 ript$VariableManager]: TermVariabe |fThread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-06 23:44:56,313 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-06 23:44:56,349 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:44:56,354 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 [2021-12-06 23:44:56,354 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-12-06 23:44:56,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 363 places, 373 transitions, 756 flow [2021-12-06 23:44:56,479 INFO L129 PetriNetUnfolder]: 17/371 cut-off events. [2021-12-06 23:44:56,479 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:44:56,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 371 events. 17/371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 790 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2021-12-06 23:44:56,485 INFO L82 GeneralOperation]: Start removeDead. Operand has 363 places, 373 transitions, 756 flow [2021-12-06 23:44:56,492 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 361 places, 371 transitions, 748 flow [2021-12-06 23:44:56,497 INFO L129 PetriNetUnfolder]: 1/53 cut-off events. [2021-12-06 23:44:56,498 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:44:56,498 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:44:56,498 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] [2021-12-06 23:44:56,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:44:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:44:56,502 INFO L85 PathProgramCache]: Analyzing trace with hash 820184857, now seen corresponding path program 1 times [2021-12-06 23:44:56,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:44:56,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999847882] [2021-12-06 23:44:56,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:44:56,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:44:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:44:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:44:56,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:44:56,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999847882] [2021-12-06 23:44:56,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999847882] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:44:56,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:44:56,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:44:56,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456614683] [2021-12-06 23:44:56,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:44:56,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:44:56,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:44:56,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:44:56,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:44:56,834 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 373 [2021-12-06 23:44:56,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 371 transitions, 748 flow. Second operand has 6 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:56,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:44:56,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 373 [2021-12-06 23:44:56,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:44:57,602 INFO L129 PetriNetUnfolder]: 745/2684 cut-off events. [2021-12-06 23:44:57,603 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-12-06 23:44:57,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4200 conditions, 2684 events. 745/2684 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 17384 event pairs, 600 based on Foata normal form. 249/2557 useless extension candidates. Maximal degree in co-relation 3898. Up to 1451 conditions per place. [2021-12-06 23:44:57,625 INFO L132 encePairwiseOnDemand]: 351/373 looper letters, 122 selfloop transitions, 10 changer transitions 2/359 dead transitions. [2021-12-06 23:44:57,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 359 transitions, 988 flow [2021-12-06 23:44:57,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:44:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:44:57,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1518 transitions. [2021-12-06 23:44:57,641 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.67828418230563 [2021-12-06 23:44:57,641 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1518 transitions. [2021-12-06 23:44:57,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1518 transitions. [2021-12-06 23:44:57,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:44:57,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1518 transitions. [2021-12-06 23:44:57,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.0) internal successors, (1518), 6 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:57,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:57,669 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:57,671 INFO L186 Difference]: Start difference. First operand has 361 places, 371 transitions, 748 flow. Second operand 6 states and 1518 transitions. [2021-12-06 23:44:57,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 359 transitions, 988 flow [2021-12-06 23:44:57,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 359 transitions, 986 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-06 23:44:57,682 INFO L242 Difference]: Finished difference. Result has 362 places, 357 transitions, 738 flow [2021-12-06 23:44:57,684 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=738, PETRI_PLACES=362, PETRI_TRANSITIONS=357} [2021-12-06 23:44:57,687 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 1 predicate places. [2021-12-06 23:44:57,687 INFO L470 AbstractCegarLoop]: Abstraction has has 362 places, 357 transitions, 738 flow [2021-12-06 23:44:57,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:57,688 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:44:57,688 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] [2021-12-06 23:44:57,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:44:57,689 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:44:57,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:44:57,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1529770307, now seen corresponding path program 1 times [2021-12-06 23:44:57,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:44:57,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285339107] [2021-12-06 23:44:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:44:57,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:44:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:44:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:44:57,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:44:57,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285339107] [2021-12-06 23:44:57,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285339107] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:44:57,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:44:57,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:44:57,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50795993] [2021-12-06 23:44:57,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:44:57,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:44:57,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:44:57,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:44:57,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:44:57,804 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 373 [2021-12-06 23:44:57,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 357 transitions, 738 flow. Second operand has 6 states, 6 states have (on average 231.5) internal successors, (1389), 6 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:57,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:44:57,806 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 373 [2021-12-06 23:44:57,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:44:58,458 INFO L129 PetriNetUnfolder]: 745/2680 cut-off events. [2021-12-06 23:44:58,458 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 23:44:58,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4203 conditions, 2680 events. 745/2680 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 17375 event pairs, 600 based on Foata normal form. 0/2308 useless extension candidates. Maximal degree in co-relation 4007. Up to 1449 conditions per place. [2021-12-06 23:44:58,478 INFO L132 encePairwiseOnDemand]: 361/373 looper letters, 120 selfloop transitions, 10 changer transitions 0/355 dead transitions. [2021-12-06 23:44:58,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 355 transitions, 994 flow [2021-12-06 23:44:58,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:44:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:44:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1506 transitions. [2021-12-06 23:44:58,482 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6729222520107239 [2021-12-06 23:44:58,482 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1506 transitions. [2021-12-06 23:44:58,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1506 transitions. [2021-12-06 23:44:58,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:44:58,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1506 transitions. [2021-12-06 23:44:58,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.0) internal successors, (1506), 6 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,502 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,502 INFO L186 Difference]: Start difference. First operand has 362 places, 357 transitions, 738 flow. Second operand 6 states and 1506 transitions. [2021-12-06 23:44:58,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 355 transitions, 994 flow [2021-12-06 23:44:58,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 355 transitions, 974 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:44:58,516 INFO L242 Difference]: Finished difference. Result has 358 places, 355 transitions, 734 flow [2021-12-06 23:44:58,517 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=734, PETRI_PLACES=358, PETRI_TRANSITIONS=355} [2021-12-06 23:44:58,518 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -3 predicate places. [2021-12-06 23:44:58,518 INFO L470 AbstractCegarLoop]: Abstraction has has 358 places, 355 transitions, 734 flow [2021-12-06 23:44:58,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.5) internal successors, (1389), 6 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,519 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:44:58,519 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] [2021-12-06 23:44:58,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:44:58,519 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:44:58,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:44:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1576819396, now seen corresponding path program 1 times [2021-12-06 23:44:58,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:44:58,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518676101] [2021-12-06 23:44:58,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:44:58,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:44:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:44:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:44:58,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:44:58,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518676101] [2021-12-06 23:44:58,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518676101] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:44:58,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:44:58,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:44:58,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258884148] [2021-12-06 23:44:58,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:44:58,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:44:58,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:44:58,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:44:58,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:44:58,560 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 373 [2021-12-06 23:44:58,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 355 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:44:58,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 373 [2021-12-06 23:44:58,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:44:58,627 INFO L129 PetriNetUnfolder]: 8/479 cut-off events. [2021-12-06 23:44:58,628 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-06 23:44:58,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 479 events. 8/479 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1325 event pairs, 0 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 278. Up to 13 conditions per place. [2021-12-06 23:44:58,631 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 17 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2021-12-06 23:44:58,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 362 transitions, 786 flow [2021-12-06 23:44:58,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:44:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:44:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1073 transitions. [2021-12-06 23:44:58,634 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9588918677390528 [2021-12-06 23:44:58,634 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1073 transitions. [2021-12-06 23:44:58,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1073 transitions. [2021-12-06 23:44:58,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:44:58,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1073 transitions. [2021-12-06 23:44:58,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.6666666666667) internal successors, (1073), 3 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,641 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,642 INFO L186 Difference]: Start difference. First operand has 358 places, 355 transitions, 734 flow. Second operand 3 states and 1073 transitions. [2021-12-06 23:44:58,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 362 transitions, 786 flow [2021-12-06 23:44:58,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 362 transitions, 766 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:44:58,649 INFO L242 Difference]: Finished difference. Result has 356 places, 356 transitions, 726 flow [2021-12-06 23:44:58,650 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=356, PETRI_TRANSITIONS=356} [2021-12-06 23:44:58,650 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -5 predicate places. [2021-12-06 23:44:58,651 INFO L470 AbstractCegarLoop]: Abstraction has has 356 places, 356 transitions, 726 flow [2021-12-06 23:44:58,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,652 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:44:58,652 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] [2021-12-06 23:44:58,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:44:58,652 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:44:58,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:44:58,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1755133368, now seen corresponding path program 1 times [2021-12-06 23:44:58,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:44:58,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466175417] [2021-12-06 23:44:58,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:44:58,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:44:58,684 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:44:58,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978549191] [2021-12-06 23:44:58,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:44:58,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:44:58,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:44:58,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:44:58,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:44:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:44:58,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 23:44:58,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:44:58,868 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 [2021-12-06 23:44:58,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,891 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 [2021-12-06 23:44:58,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,921 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 23:44:58,921 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 [2021-12-06 23:44:58,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:44:58,951 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 23:44:58,952 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 [2021-12-06 23:44:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:44:58,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:44:58,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:44:58,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466175417] [2021-12-06 23:44:58,968 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:44:58,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978549191] [2021-12-06 23:44:58,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978549191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:44:58,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:44:58,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:44:58,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058442634] [2021-12-06 23:44:58,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:44:58,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:44:58,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:44:58,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:44:58,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:44:58,972 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 373 [2021-12-06 23:44:58,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 356 transitions, 726 flow. Second operand has 8 states, 8 states have (on average 234.625) internal successors, (1877), 8 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:44:58,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:44:58,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 373 [2021-12-06 23:44:58,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:00,069 INFO L129 PetriNetUnfolder]: 1491/5379 cut-off events. [2021-12-06 23:45:00,069 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-06 23:45:00,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8416 conditions, 5379 events. 1491/5379 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 36347 event pairs, 1200 based on Foata normal form. 0/4641 useless extension candidates. Maximal degree in co-relation 4178. Up to 1492 conditions per place. [2021-12-06 23:45:00,112 INFO L132 encePairwiseOnDemand]: 363/373 looper letters, 190 selfloop transitions, 9 changer transitions 0/428 dead transitions. [2021-12-06 23:45:00,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 428 transitions, 1272 flow [2021-12-06 23:45:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:45:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:45:00,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2288 transitions. [2021-12-06 23:45:00,118 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6815609174858505 [2021-12-06 23:45:00,118 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2288 transitions. [2021-12-06 23:45:00,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2288 transitions. [2021-12-06 23:45:00,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:00,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2288 transitions. [2021-12-06 23:45:00,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 254.22222222222223) internal successors, (2288), 9 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:00,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:00,131 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:00,132 INFO L186 Difference]: Start difference. First operand has 356 places, 356 transitions, 726 flow. Second operand 9 states and 2288 transitions. [2021-12-06 23:45:00,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 428 transitions, 1272 flow [2021-12-06 23:45:00,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 428 transitions, 1270 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 23:45:00,138 INFO L242 Difference]: Finished difference. Result has 363 places, 356 transitions, 748 flow [2021-12-06 23:45:00,139 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=748, PETRI_PLACES=363, PETRI_TRANSITIONS=356} [2021-12-06 23:45:00,140 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 2 predicate places. [2021-12-06 23:45:00,140 INFO L470 AbstractCegarLoop]: Abstraction has has 363 places, 356 transitions, 748 flow [2021-12-06 23:45:00,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 234.625) internal successors, (1877), 8 states have internal predecessors, (1877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:00,141 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:00,141 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] [2021-12-06 23:45:00,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:45:00,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:00,343 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:00,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:00,344 INFO L85 PathProgramCache]: Analyzing trace with hash 842792516, now seen corresponding path program 1 times [2021-12-06 23:45:00,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:00,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726718871] [2021-12-06 23:45:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:00,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:00,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:00,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726718871] [2021-12-06 23:45:00,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726718871] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:00,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:00,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:45:00,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800513494] [2021-12-06 23:45:00,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:00,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:45:00,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:00,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:45:00,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:45:00,468 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 354 out of 373 [2021-12-06 23:45:00,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 356 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 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) [2021-12-06 23:45:00,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:00,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 354 of 373 [2021-12-06 23:45:00,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:00,536 INFO L129 PetriNetUnfolder]: 8/667 cut-off events. [2021-12-06 23:45:00,536 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-06 23:45:00,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 667 events. 8/667 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1314 event pairs, 0 based on Foata normal form. 0/628 useless extension candidates. Maximal degree in co-relation 342. Up to 16 conditions per place. [2021-12-06 23:45:00,539 INFO L132 encePairwiseOnDemand]: 370/373 looper letters, 11 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2021-12-06 23:45:00,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 360 transitions, 782 flow [2021-12-06 23:45:00,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:45:00,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-06 23:45:00,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1076 transitions. [2021-12-06 23:45:00,542 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9615728328865059 [2021-12-06 23:45:00,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1076 transitions. [2021-12-06 23:45:00,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1076 transitions. [2021-12-06 23:45:00,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:00,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1076 transitions. [2021-12-06 23:45:00,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.6666666666667) internal successors, (1076), 3 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:00,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:00,546 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 373.0) internal successors, (1492), 4 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:00,547 INFO L186 Difference]: Start difference. First operand has 363 places, 356 transitions, 748 flow. Second operand 3 states and 1076 transitions. [2021-12-06 23:45:00,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 360 transitions, 782 flow [2021-12-06 23:45:00,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 360 transitions, 768 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-12-06 23:45:00,552 INFO L242 Difference]: Finished difference. Result has 359 places, 357 transitions, 746 flow [2021-12-06 23:45:00,553 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=746, PETRI_PLACES=359, PETRI_TRANSITIONS=357} [2021-12-06 23:45:00,554 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -2 predicate places. [2021-12-06 23:45:00,554 INFO L470 AbstractCegarLoop]: Abstraction has has 359 places, 357 transitions, 746 flow [2021-12-06 23:45:00,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 355.0) internal successors, (1065), 3 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) [2021-12-06 23:45:00,554 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:00,555 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] [2021-12-06 23:45:00,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:45:00,555 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:00,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:00,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2082943886, now seen corresponding path program 1 times [2021-12-06 23:45:00,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:00,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819987975] [2021-12-06 23:45:00,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:00,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:00,573 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:00,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [82123456] [2021-12-06 23:45:00,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:00,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:00,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:00,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:00,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:45:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:00,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:00,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:00,745 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 [2021-12-06 23:45:00,758 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:45:00,758 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 [2021-12-06 23:45:00,789 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:45:00,789 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 [2021-12-06 23:45:00,824 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:45:00,825 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 [2021-12-06 23:45:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:00,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:00,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:00,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819987975] [2021-12-06 23:45:00,837 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:00,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82123456] [2021-12-06 23:45:00,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82123456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:00,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:00,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:00,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208567571] [2021-12-06 23:45:00,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:00,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:00,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:00,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:00,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:00,842 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 373 [2021-12-06 23:45:00,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 357 transitions, 746 flow. Second operand has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:00,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:00,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 373 [2021-12-06 23:45:00,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:01,461 INFO L129 PetriNetUnfolder]: 746/2988 cut-off events. [2021-12-06 23:45:01,461 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-06 23:45:01,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4682 conditions, 2988 events. 746/2988 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18456 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4167. Up to 1587 conditions per place. [2021-12-06 23:45:01,477 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 116 selfloop transitions, 5 changer transitions 0/356 dead transitions. [2021-12-06 23:45:01,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 356 transitions, 986 flow [2021-12-06 23:45:01,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1538 transitions. [2021-12-06 23:45:01,481 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6872207327971404 [2021-12-06 23:45:01,481 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1538 transitions. [2021-12-06 23:45:01,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1538 transitions. [2021-12-06 23:45:01,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:01,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1538 transitions. [2021-12-06 23:45:01,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 256.3333333333333) internal successors, (1538), 6 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:01,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:01,488 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:01,488 INFO L186 Difference]: Start difference. First operand has 359 places, 357 transitions, 746 flow. Second operand 6 states and 1538 transitions. [2021-12-06 23:45:01,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 356 transitions, 986 flow [2021-12-06 23:45:01,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 356 transitions, 984 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-06 23:45:01,494 INFO L242 Difference]: Finished difference. Result has 362 places, 356 transitions, 752 flow [2021-12-06 23:45:01,495 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=752, PETRI_PLACES=362, PETRI_TRANSITIONS=356} [2021-12-06 23:45:01,496 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 1 predicate places. [2021-12-06 23:45:01,496 INFO L470 AbstractCegarLoop]: Abstraction has has 362 places, 356 transitions, 752 flow [2021-12-06 23:45:01,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:01,496 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:01,496 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] [2021-12-06 23:45:01,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:45:01,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 23:45:01,698 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:01,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:01,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1982239298, now seen corresponding path program 1 times [2021-12-06 23:45:01,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:01,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547436666] [2021-12-06 23:45:01,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:01,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:01,736 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:01,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [725713348] [2021-12-06 23:45:01,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:01,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:01,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:01,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:01,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 23:45:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:01,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:01,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:01,910 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 [2021-12-06 23:45:01,923 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 23:45:01,923 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 [2021-12-06 23:45:01,945 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-12-06 23:45:01,945 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 [2021-12-06 23:45:01,977 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-12-06 23:45:01,977 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 [2021-12-06 23:45:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:01,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:01,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:01,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547436666] [2021-12-06 23:45:01,992 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:01,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725713348] [2021-12-06 23:45:01,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725713348] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:01,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:01,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:01,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872003231] [2021-12-06 23:45:01,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:01,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:01,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:01,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:01,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:01,995 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 373 [2021-12-06 23:45:01,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 356 transitions, 752 flow. Second operand has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:01,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:01,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 373 [2021-12-06 23:45:01,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:02,569 INFO L129 PetriNetUnfolder]: 746/2984 cut-off events. [2021-12-06 23:45:02,569 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 23:45:02,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4696 conditions, 2984 events. 746/2984 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18443 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4216. Up to 1587 conditions per place. [2021-12-06 23:45:02,585 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 116 selfloop transitions, 5 changer transitions 0/355 dead transitions. [2021-12-06 23:45:02,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 355 transitions, 992 flow [2021-12-06 23:45:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1532 transitions. [2021-12-06 23:45:02,589 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6845397676496873 [2021-12-06 23:45:02,589 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1532 transitions. [2021-12-06 23:45:02,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1532 transitions. [2021-12-06 23:45:02,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:02,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1532 transitions. [2021-12-06 23:45:02,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 255.33333333333334) internal successors, (1532), 6 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:02,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:02,597 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:02,597 INFO L186 Difference]: Start difference. First operand has 362 places, 356 transitions, 752 flow. Second operand 6 states and 1532 transitions. [2021-12-06 23:45:02,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 355 transitions, 992 flow [2021-12-06 23:45:02,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 355 transitions, 982 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:45:02,603 INFO L242 Difference]: Finished difference. Result has 361 places, 355 transitions, 750 flow [2021-12-06 23:45:02,603 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=750, PETRI_PLACES=361, PETRI_TRANSITIONS=355} [2021-12-06 23:45:02,604 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 0 predicate places. [2021-12-06 23:45:02,604 INFO L470 AbstractCegarLoop]: Abstraction has has 361 places, 355 transitions, 750 flow [2021-12-06 23:45:02,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:02,605 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:02,605 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] [2021-12-06 23:45:02,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 23:45:02,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 23:45:02,805 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:02,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:02,806 INFO L85 PathProgramCache]: Analyzing trace with hash -276700611, now seen corresponding path program 1 times [2021-12-06 23:45:02,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:02,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996270141] [2021-12-06 23:45:02,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:02,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:02,823 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:02,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144070156] [2021-12-06 23:45:02,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:02,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:02,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:02,824 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:02,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 23:45:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:02,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:02,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:03,012 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 [2021-12-06 23:45:03,022 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:45:03,022 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 [2021-12-06 23:45:03,040 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:45:03,041 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 [2021-12-06 23:45:03,068 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:45:03,068 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 [2021-12-06 23:45:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:03,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:03,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:03,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996270141] [2021-12-06 23:45:03,088 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:03,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144070156] [2021-12-06 23:45:03,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144070156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:03,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:03,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:03,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278209915] [2021-12-06 23:45:03,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:03,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:03,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:03,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:03,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:03,091 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 373 [2021-12-06 23:45:03,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 355 transitions, 750 flow. Second operand has 6 states, 6 states have (on average 240.5) internal successors, (1443), 6 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:03,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:03,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 373 [2021-12-06 23:45:03,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:03,575 INFO L129 PetriNetUnfolder]: 746/2980 cut-off events. [2021-12-06 23:45:03,575 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 23:45:03,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4696 conditions, 2980 events. 746/2980 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18416 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4240. Up to 1591 conditions per place. [2021-12-06 23:45:03,590 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 117 selfloop transitions, 5 changer transitions 0/354 dead transitions. [2021-12-06 23:45:03,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 354 transitions, 992 flow [2021-12-06 23:45:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1521 transitions. [2021-12-06 23:45:03,594 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6796246648793566 [2021-12-06 23:45:03,594 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1521 transitions. [2021-12-06 23:45:03,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1521 transitions. [2021-12-06 23:45:03,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:03,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1521 transitions. [2021-12-06 23:45:03,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.5) internal successors, (1521), 6 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:03,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:03,602 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:03,602 INFO L186 Difference]: Start difference. First operand has 361 places, 355 transitions, 750 flow. Second operand 6 states and 1521 transitions. [2021-12-06 23:45:03,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 354 transitions, 992 flow [2021-12-06 23:45:03,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 354 transitions, 982 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:45:03,609 INFO L242 Difference]: Finished difference. Result has 360 places, 354 transitions, 748 flow [2021-12-06 23:45:03,610 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=748, PETRI_PLACES=360, PETRI_TRANSITIONS=354} [2021-12-06 23:45:03,610 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -1 predicate places. [2021-12-06 23:45:03,610 INFO L470 AbstractCegarLoop]: Abstraction has has 360 places, 354 transitions, 748 flow [2021-12-06 23:45:03,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 240.5) internal successors, (1443), 6 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:03,611 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:03,611 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] [2021-12-06 23:45:03,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 23:45:03,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:03,812 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:03,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:03,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2037532335, now seen corresponding path program 1 times [2021-12-06 23:45:03,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:03,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937075361] [2021-12-06 23:45:03,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:03,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:03,832 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:03,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436051407] [2021-12-06 23:45:03,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:03,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:03,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:03,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:03,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 23:45:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:03,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:03,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:04,040 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 [2021-12-06 23:45:04,053 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-12-06 23:45:04,053 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 [2021-12-06 23:45:04,074 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-12-06 23:45:04,075 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 [2021-12-06 23:45:04,106 INFO L354 Elim1Store]: treesize reduction 114, result has 19.7 percent of original size [2021-12-06 23:45:04,107 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 41 treesize of output 46 [2021-12-06 23:45:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:04,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:04,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:04,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937075361] [2021-12-06 23:45:04,121 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:04,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436051407] [2021-12-06 23:45:04,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436051407] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:04,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:04,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:04,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543914075] [2021-12-06 23:45:04,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:04,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:04,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:04,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:04,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:04,125 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 373 [2021-12-06 23:45:04,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 354 transitions, 748 flow. Second operand has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:04,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:04,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 373 [2021-12-06 23:45:04,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:04,705 INFO L129 PetriNetUnfolder]: 746/2976 cut-off events. [2021-12-06 23:45:04,705 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 23:45:04,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4688 conditions, 2976 events. 746/2976 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18378 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4252. Up to 1587 conditions per place. [2021-12-06 23:45:04,721 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 116 selfloop transitions, 5 changer transitions 0/353 dead transitions. [2021-12-06 23:45:04,721 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 353 transitions, 988 flow [2021-12-06 23:45:04,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:04,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1520 transitions. [2021-12-06 23:45:04,725 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6791778373547811 [2021-12-06 23:45:04,725 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1520 transitions. [2021-12-06 23:45:04,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1520 transitions. [2021-12-06 23:45:04,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:04,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1520 transitions. [2021-12-06 23:45:04,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.33333333333334) internal successors, (1520), 6 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:04,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:04,732 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:04,732 INFO L186 Difference]: Start difference. First operand has 360 places, 354 transitions, 748 flow. Second operand 6 states and 1520 transitions. [2021-12-06 23:45:04,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 353 transitions, 988 flow [2021-12-06 23:45:04,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 353 transitions, 978 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:45:04,738 INFO L242 Difference]: Finished difference. Result has 359 places, 353 transitions, 746 flow [2021-12-06 23:45:04,739 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=746, PETRI_PLACES=359, PETRI_TRANSITIONS=353} [2021-12-06 23:45:04,739 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -2 predicate places. [2021-12-06 23:45:04,739 INFO L470 AbstractCegarLoop]: Abstraction has has 359 places, 353 transitions, 746 flow [2021-12-06 23:45:04,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.5) internal successors, (1449), 6 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:04,740 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:04,740 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] [2021-12-06 23:45:04,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-06 23:45:04,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:04,941 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:04,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash -458131675, now seen corresponding path program 1 times [2021-12-06 23:45:04,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:04,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66245058] [2021-12-06 23:45:04,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:04,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:04,976 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:04,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373875499] [2021-12-06 23:45:04,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:04,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:04,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:04,977 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:04,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 23:45:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:05,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:05,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:05,183 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 [2021-12-06 23:45:05,193 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:45:05,193 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 [2021-12-06 23:45:05,212 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:45:05,212 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 [2021-12-06 23:45:05,240 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:45:05,241 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 [2021-12-06 23:45:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:05,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:05,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:05,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66245058] [2021-12-06 23:45:05,253 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:05,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373875499] [2021-12-06 23:45:05,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373875499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:05,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:05,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:05,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123384727] [2021-12-06 23:45:05,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:05,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:05,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:05,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:05,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:05,256 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 373 [2021-12-06 23:45:05,257 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 353 transitions, 746 flow. Second operand has 6 states, 6 states have (on average 243.33333333333334) internal successors, (1460), 6 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:05,257 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:05,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 373 [2021-12-06 23:45:05,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:05,790 INFO L129 PetriNetUnfolder]: 746/2972 cut-off events. [2021-12-06 23:45:05,790 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-06 23:45:05,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4676 conditions, 2972 events. 746/2972 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 18305 event pairs, 600 based on Foata normal form. 0/2608 useless extension candidates. Maximal degree in co-relation 4262. Up to 1579 conditions per place. [2021-12-06 23:45:05,806 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 114 selfloop transitions, 5 changer transitions 0/352 dead transitions. [2021-12-06 23:45:05,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 352 transitions, 982 flow [2021-12-06 23:45:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1524 transitions. [2021-12-06 23:45:05,810 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6809651474530831 [2021-12-06 23:45:05,810 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1524 transitions. [2021-12-06 23:45:05,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1524 transitions. [2021-12-06 23:45:05,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:05,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1524 transitions. [2021-12-06 23:45:05,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 254.0) internal successors, (1524), 6 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:05,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:05,816 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:05,816 INFO L186 Difference]: Start difference. First operand has 359 places, 353 transitions, 746 flow. Second operand 6 states and 1524 transitions. [2021-12-06 23:45:05,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 352 transitions, 982 flow [2021-12-06 23:45:05,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 352 transitions, 972 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:45:05,822 INFO L242 Difference]: Finished difference. Result has 358 places, 352 transitions, 744 flow [2021-12-06 23:45:05,823 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=744, PETRI_PLACES=358, PETRI_TRANSITIONS=352} [2021-12-06 23:45:05,823 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, -3 predicate places. [2021-12-06 23:45:05,823 INFO L470 AbstractCegarLoop]: Abstraction has has 358 places, 352 transitions, 744 flow [2021-12-06 23:45:05,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 243.33333333333334) internal successors, (1460), 6 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:05,824 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:05,824 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] [2021-12-06 23:45:05,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 23:45:06,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 23:45:06,026 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:06,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:06,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1700938237, now seen corresponding path program 1 times [2021-12-06 23:45:06,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:06,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709757669] [2021-12-06 23:45:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:06,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:06,053 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:06,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697492983] [2021-12-06 23:45:06,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:06,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:06,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:06,055 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:06,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 23:45:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:06,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:45:06,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:06,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:45:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:06,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:06,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709757669] [2021-12-06 23:45:06,497 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:06,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697492983] [2021-12-06 23:45:06,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697492983] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:45:06,497 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:45:06,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-06 23:45:06,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710699597] [2021-12-06 23:45:06,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:45:06,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:45:06,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:06,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:45:06,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:45:06,501 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 373 [2021-12-06 23:45:06,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 352 transitions, 744 flow. Second operand has 8 states, 8 states have (on average 354.875) internal successors, (2839), 8 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:06,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:06,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 373 [2021-12-06 23:45:06,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:06,624 INFO L129 PetriNetUnfolder]: 8/833 cut-off events. [2021-12-06 23:45:06,624 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-06 23:45:06,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 950 conditions, 833 events. 8/833 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 718 event pairs, 0 based on Foata normal form. 4/820 useless extension candidates. Maximal degree in co-relation 351. Up to 13 conditions per place. [2021-12-06 23:45:06,626 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 12 selfloop transitions, 9 changer transitions 0/362 dead transitions. [2021-12-06 23:45:06,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 362 transitions, 808 flow [2021-12-06 23:45:06,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:45:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:45:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3200 transitions. [2021-12-06 23:45:06,632 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532320524277629 [2021-12-06 23:45:06,632 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3200 transitions. [2021-12-06 23:45:06,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3200 transitions. [2021-12-06 23:45:06,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:06,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3200 transitions. [2021-12-06 23:45:06,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 355.55555555555554) internal successors, (3200), 9 states have internal predecessors, (3200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:06,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:06,642 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:06,642 INFO L186 Difference]: Start difference. First operand has 358 places, 352 transitions, 744 flow. Second operand 9 states and 3200 transitions. [2021-12-06 23:45:06,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 362 transitions, 808 flow [2021-12-06 23:45:06,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 362 transitions, 798 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-06 23:45:06,648 INFO L242 Difference]: Finished difference. Result has 364 places, 358 transitions, 784 flow [2021-12-06 23:45:06,648 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=784, PETRI_PLACES=364, PETRI_TRANSITIONS=358} [2021-12-06 23:45:06,649 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 3 predicate places. [2021-12-06 23:45:06,649 INFO L470 AbstractCegarLoop]: Abstraction has has 364 places, 358 transitions, 784 flow [2021-12-06 23:45:06,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 354.875) internal successors, (2839), 8 states have internal predecessors, (2839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:06,649 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:06,650 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] [2021-12-06 23:45:06,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 23:45:06,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 23:45:06,852 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:06,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:06,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1935750755, now seen corresponding path program 2 times [2021-12-06 23:45:06,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:06,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757120144] [2021-12-06 23:45:06,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:06,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:06,925 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:06,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956763164] [2021-12-06 23:45:06,925 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:45:06,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:06,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:06,926 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:06,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 23:45:07,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:45:07,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:45:07,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:07,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:07,268 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 [2021-12-06 23:45:07,278 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-12-06 23:45:07,279 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 [2021-12-06 23:45:07,299 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-12-06 23:45:07,299 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 [2021-12-06 23:45:07,329 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-12-06 23:45:07,330 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 [2021-12-06 23:45:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-12-06 23:45:07,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:07,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:07,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757120144] [2021-12-06 23:45:07,345 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:07,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956763164] [2021-12-06 23:45:07,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956763164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:07,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:07,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:07,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865624985] [2021-12-06 23:45:07,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:07,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:07,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:07,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:07,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:07,348 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 373 [2021-12-06 23:45:07,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 358 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:07,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:07,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 373 [2021-12-06 23:45:07,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:08,350 INFO L129 PetriNetUnfolder]: 1419/4575 cut-off events. [2021-12-06 23:45:08,350 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-06 23:45:08,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7713 conditions, 4575 events. 1419/4575 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 29955 event pairs, 744 based on Foata normal form. 0/3993 useless extension candidates. Maximal degree in co-relation 7057. Up to 2267 conditions per place. [2021-12-06 23:45:08,374 INFO L132 encePairwiseOnDemand]: 366/373 looper letters, 164 selfloop transitions, 6 changer transitions 0/395 dead transitions. [2021-12-06 23:45:08,374 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 395 transitions, 1202 flow [2021-12-06 23:45:08,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:08,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1491 transitions. [2021-12-06 23:45:08,378 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6662198391420912 [2021-12-06 23:45:08,378 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1491 transitions. [2021-12-06 23:45:08,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1491 transitions. [2021-12-06 23:45:08,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:08,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1491 transitions. [2021-12-06 23:45:08,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 248.5) internal successors, (1491), 6 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:08,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:08,384 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:08,384 INFO L186 Difference]: Start difference. First operand has 364 places, 358 transitions, 784 flow. Second operand 6 states and 1491 transitions. [2021-12-06 23:45:08,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 395 transitions, 1202 flow [2021-12-06 23:45:08,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 395 transitions, 1196 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 23:45:08,391 INFO L242 Difference]: Finished difference. Result has 368 places, 359 transitions, 799 flow [2021-12-06 23:45:08,391 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=799, PETRI_PLACES=368, PETRI_TRANSITIONS=359} [2021-12-06 23:45:08,392 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 7 predicate places. [2021-12-06 23:45:08,392 INFO L470 AbstractCegarLoop]: Abstraction has has 368 places, 359 transitions, 799 flow [2021-12-06 23:45:08,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:08,392 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:08,392 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] [2021-12-06 23:45:08,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 23:45:08,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 23:45:08,593 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:08,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:08,593 INFO L85 PathProgramCache]: Analyzing trace with hash 497639369, now seen corresponding path program 1 times [2021-12-06 23:45:08,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:08,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905097302] [2021-12-06 23:45:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:08,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:08,625 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:08,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185119397] [2021-12-06 23:45:08,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:08,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:08,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:08,626 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:08,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 23:45:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:08,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:45:08,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:09,178 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:09,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:45:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:09,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:09,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905097302] [2021-12-06 23:45:09,498 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:09,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185119397] [2021-12-06 23:45:09,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185119397] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:45:09,498 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:45:09,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-06 23:45:09,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372331559] [2021-12-06 23:45:09,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:45:09,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 23:45:09,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:09,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 23:45:09,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-06 23:45:09,503 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 373 [2021-12-06 23:45:09,506 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 359 transitions, 799 flow. Second operand has 16 states, 16 states have (on average 355.1875) internal successors, (5683), 16 states have internal predecessors, (5683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:09,506 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:09,506 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 373 [2021-12-06 23:45:09,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:09,969 INFO L129 PetriNetUnfolder]: 14/1727 cut-off events. [2021-12-06 23:45:09,969 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-12-06 23:45:09,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1991 conditions, 1727 events. 14/1727 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1659 event pairs, 0 based on Foata normal form. 8/1703 useless extension candidates. Maximal degree in co-relation 1751. Up to 29 conditions per place. [2021-12-06 23:45:09,974 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 20 selfloop transitions, 21 changer transitions 0/383 dead transitions. [2021-12-06 23:45:09,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 383 transitions, 981 flow [2021-12-06 23:45:09,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 23:45:09,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 23:45:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 7458 transitions. [2021-12-06 23:45:09,986 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9521256223669092 [2021-12-06 23:45:09,986 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 7458 transitions. [2021-12-06 23:45:09,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 7458 transitions. [2021-12-06 23:45:09,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:09,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 7458 transitions. [2021-12-06 23:45:10,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 355.14285714285717) internal successors, (7458), 21 states have internal predecessors, (7458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:10,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 373.0) internal successors, (8206), 22 states have internal predecessors, (8206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:10,008 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 373.0) internal successors, (8206), 22 states have internal predecessors, (8206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:10,008 INFO L186 Difference]: Start difference. First operand has 368 places, 359 transitions, 799 flow. Second operand 21 states and 7458 transitions. [2021-12-06 23:45:10,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 383 transitions, 981 flow [2021-12-06 23:45:10,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 383 transitions, 972 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-06 23:45:10,015 INFO L242 Difference]: Finished difference. Result has 389 places, 372 transitions, 920 flow [2021-12-06 23:45:10,015 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=920, PETRI_PLACES=389, PETRI_TRANSITIONS=372} [2021-12-06 23:45:10,015 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 28 predicate places. [2021-12-06 23:45:10,015 INFO L470 AbstractCegarLoop]: Abstraction has has 389 places, 372 transitions, 920 flow [2021-12-06 23:45:10,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 355.1875) internal successors, (5683), 16 states have internal predecessors, (5683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:10,016 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:10,017 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] [2021-12-06 23:45:10,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-06 23:45:10,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 23:45:10,218 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:10,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:10,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1300461815, now seen corresponding path program 2 times [2021-12-06 23:45:10,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:10,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759166871] [2021-12-06 23:45:10,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:10,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:10,286 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:10,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555134113] [2021-12-06 23:45:10,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:45:10,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:10,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:10,287 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:10,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 23:45:10,514 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:45:10,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:45:10,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:10,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:10,959 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 [2021-12-06 23:45:10,969 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-12-06 23:45:10,969 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 [2021-12-06 23:45:10,989 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-12-06 23:45:10,989 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 [2021-12-06 23:45:11,025 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-12-06 23:45:11,026 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 [2021-12-06 23:45:11,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1919 trivial. 0 not checked. [2021-12-06 23:45:11,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:11,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:11,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759166871] [2021-12-06 23:45:11,044 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:11,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555134113] [2021-12-06 23:45:11,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555134113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:11,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:11,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:11,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784994863] [2021-12-06 23:45:11,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:11,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:11,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:11,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:11,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:11,048 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 373 [2021-12-06 23:45:11,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 372 transitions, 920 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:11,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:11,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 373 [2021-12-06 23:45:11,050 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:13,402 INFO L129 PetriNetUnfolder]: 1802/6396 cut-off events. [2021-12-06 23:45:13,402 INFO L130 PetriNetUnfolder]: For 222/222 co-relation queries the response was YES. [2021-12-06 23:45:13,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10914 conditions, 6396 events. 1802/6396 cut-off events. For 222/222 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 41079 event pairs, 1470 based on Foata normal form. 0/5662 useless extension candidates. Maximal degree in co-relation 9638. Up to 3323 conditions per place. [2021-12-06 23:45:13,431 INFO L132 encePairwiseOnDemand]: 366/373 looper letters, 165 selfloop transitions, 6 changer transitions 0/409 dead transitions. [2021-12-06 23:45:13,432 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 409 transitions, 1344 flow [2021-12-06 23:45:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1490 transitions. [2021-12-06 23:45:13,435 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6657730116175157 [2021-12-06 23:45:13,435 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1490 transitions. [2021-12-06 23:45:13,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1490 transitions. [2021-12-06 23:45:13,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:13,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1490 transitions. [2021-12-06 23:45:13,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 248.33333333333334) internal successors, (1490), 6 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:13,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:13,440 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:13,440 INFO L186 Difference]: Start difference. First operand has 389 places, 372 transitions, 920 flow. Second operand 6 states and 1490 transitions. [2021-12-06 23:45:13,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 409 transitions, 1344 flow [2021-12-06 23:45:13,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 409 transitions, 1320 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-12-06 23:45:13,448 INFO L242 Difference]: Finished difference. Result has 388 places, 373 transitions, 921 flow [2021-12-06 23:45:13,448 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=921, PETRI_PLACES=388, PETRI_TRANSITIONS=373} [2021-12-06 23:45:13,448 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 27 predicate places. [2021-12-06 23:45:13,448 INFO L470 AbstractCegarLoop]: Abstraction has has 388 places, 373 transitions, 921 flow [2021-12-06 23:45:13,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:13,449 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:13,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:45:13,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-06 23:45:13,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 23:45:13,651 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:13,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:13,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1562674956, now seen corresponding path program 1 times [2021-12-06 23:45:13,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:13,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985068088] [2021-12-06 23:45:13,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:13,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:13,714 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:13,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766422712] [2021-12-06 23:45:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:13,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:13,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:13,715 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:13,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 23:45:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:14,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 23:45:14,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:14,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:45:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 1 proven. 1918 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:15,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:15,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985068088] [2021-12-06 23:45:15,714 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:15,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766422712] [2021-12-06 23:45:15,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766422712] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:45:15,714 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:45:15,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-12-06 23:45:15,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093602910] [2021-12-06 23:45:15,715 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:45:15,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-06 23:45:15,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:15,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-06 23:45:15,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2021-12-06 23:45:15,723 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 373 [2021-12-06 23:45:15,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 373 transitions, 921 flow. Second operand has 32 states, 32 states have (on average 355.375) internal successors, (11372), 32 states have internal predecessors, (11372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:15,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:15,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 373 [2021-12-06 23:45:15,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:17,108 INFO L129 PetriNetUnfolder]: 17/3249 cut-off events. [2021-12-06 23:45:17,108 INFO L130 PetriNetUnfolder]: For 573/573 co-relation queries the response was YES. [2021-12-06 23:45:17,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3901 conditions, 3249 events. 17/3249 cut-off events. For 573/573 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1983 event pairs, 0 based on Foata normal form. 16/3226 useless extension candidates. Maximal degree in co-relation 3743. Up to 61 conditions per place. [2021-12-06 23:45:17,115 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 36 selfloop transitions, 45 changer transitions 0/424 dead transitions. [2021-12-06 23:45:17,115 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 424 transitions, 1383 flow [2021-12-06 23:45:17,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-06 23:45:17,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-12-06 23:45:17,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 15974 transitions. [2021-12-06 23:45:17,127 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9516830503425677 [2021-12-06 23:45:17,127 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 15974 transitions. [2021-12-06 23:45:17,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 15974 transitions. [2021-12-06 23:45:17,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:17,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 15974 transitions. [2021-12-06 23:45:17,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 354.97777777777776) internal successors, (15974), 45 states have internal predecessors, (15974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:17,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 373.0) internal successors, (17158), 46 states have internal predecessors, (17158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:17,160 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 373.0) internal successors, (17158), 46 states have internal predecessors, (17158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:17,161 INFO L186 Difference]: Start difference. First operand has 388 places, 373 transitions, 921 flow. Second operand 45 states and 15974 transitions. [2021-12-06 23:45:17,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 424 transitions, 1383 flow [2021-12-06 23:45:17,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 424 transitions, 1370 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-12-06 23:45:17,169 INFO L242 Difference]: Finished difference. Result has 437 places, 398 transitions, 1210 flow [2021-12-06 23:45:17,169 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=1210, PETRI_PLACES=437, PETRI_TRANSITIONS=398} [2021-12-06 23:45:17,169 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 76 predicate places. [2021-12-06 23:45:17,169 INFO L470 AbstractCegarLoop]: Abstraction has has 437 places, 398 transitions, 1210 flow [2021-12-06 23:45:17,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 355.375) internal successors, (11372), 32 states have internal predecessors, (11372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:17,170 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:17,171 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:45:17,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 23:45:17,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 23:45:17,373 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:17,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:17,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1906612852, now seen corresponding path program 2 times [2021-12-06 23:45:17,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:17,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844497919] [2021-12-06 23:45:17,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:17,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:17,680 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:17,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1159070585] [2021-12-06 23:45:17,680 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:45:17,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:17,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:17,681 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:17,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 23:45:18,075 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:45:18,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:45:18,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:18,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:18,993 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 [2021-12-06 23:45:19,003 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-12-06 23:45:19,004 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 [2021-12-06 23:45:19,026 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-12-06 23:45:19,026 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 [2021-12-06 23:45:19,062 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-12-06 23:45:19,062 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 [2021-12-06 23:45:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9571 trivial. 0 not checked. [2021-12-06 23:45:19,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:19,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:19,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844497919] [2021-12-06 23:45:19,083 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:19,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159070585] [2021-12-06 23:45:19,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159070585] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:19,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:19,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:19,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404708753] [2021-12-06 23:45:19,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:19,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:19,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:19,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:19,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:19,087 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 373 [2021-12-06 23:45:19,088 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 398 transitions, 1210 flow. Second operand has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:19,088 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:19,088 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 373 [2021-12-06 23:45:19,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:24,759 INFO L129 PetriNetUnfolder]: 2683/9535 cut-off events. [2021-12-06 23:45:24,759 INFO L130 PetriNetUnfolder]: For 907/907 co-relation queries the response was YES. [2021-12-06 23:45:24,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17006 conditions, 9535 events. 2683/9535 cut-off events. For 907/907 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 55525 event pairs, 1013 based on Foata normal form. 0/8604 useless extension candidates. Maximal degree in co-relation 14468. Up to 4299 conditions per place. [2021-12-06 23:45:24,808 INFO L132 encePairwiseOnDemand]: 361/373 looper letters, 249 selfloop transitions, 33 changer transitions 0/542 dead transitions. [2021-12-06 23:45:24,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 542 transitions, 2106 flow [2021-12-06 23:45:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1573 transitions. [2021-12-06 23:45:24,810 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7028596961572833 [2021-12-06 23:45:24,811 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1573 transitions. [2021-12-06 23:45:24,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1573 transitions. [2021-12-06 23:45:24,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:24,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1573 transitions. [2021-12-06 23:45:24,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 262.1666666666667) internal successors, (1573), 6 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:24,814 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:24,814 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:24,814 INFO L186 Difference]: Start difference. First operand has 437 places, 398 transitions, 1210 flow. Second operand 6 states and 1573 transitions. [2021-12-06 23:45:24,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 542 transitions, 2106 flow [2021-12-06 23:45:24,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 542 transitions, 2050 flow, removed 10 selfloop flow, removed 18 redundant places. [2021-12-06 23:45:24,826 INFO L242 Difference]: Finished difference. Result has 429 places, 428 transitions, 1408 flow [2021-12-06 23:45:24,827 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=1154, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1408, PETRI_PLACES=429, PETRI_TRANSITIONS=428} [2021-12-06 23:45:24,827 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 68 predicate places. [2021-12-06 23:45:24,827 INFO L470 AbstractCegarLoop]: Abstraction has has 429 places, 428 transitions, 1408 flow [2021-12-06 23:45:24,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:24,827 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:24,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:45:24,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 23:45:25,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:25,029 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:25,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:25,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1262109581, now seen corresponding path program 1 times [2021-12-06 23:45:25,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:25,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468116081] [2021-12-06 23:45:25,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:25,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:25,173 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:25,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896353888] [2021-12-06 23:45:25,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:25,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:25,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:25,174 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:25,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 23:45:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:26,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 5868 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-06 23:45:26,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:27,469 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:27,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:45:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 9571 backedges. 1 proven. 9570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:45:29,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:29,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468116081] [2021-12-06 23:45:29,239 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:29,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896353888] [2021-12-06 23:45:29,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896353888] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:45:29,239 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:45:29,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61 [2021-12-06 23:45:29,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391851511] [2021-12-06 23:45:29,240 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:45:29,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2021-12-06 23:45:29,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:29,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2021-12-06 23:45:29,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660 [2021-12-06 23:45:29,256 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 373 [2021-12-06 23:45:29,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 428 transitions, 1408 flow. Second operand has 61 states, 61 states have (on average 355.4918032786885) internal successors, (21685), 61 states have internal predecessors, (21685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:29,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:29,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 373 [2021-12-06 23:45:29,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:34,323 INFO L129 PetriNetUnfolder]: 97/6471 cut-off events. [2021-12-06 23:45:34,323 INFO L130 PetriNetUnfolder]: For 4537/4558 co-relation queries the response was YES. [2021-12-06 23:45:34,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8275 conditions, 6471 events. 97/6471 cut-off events. For 4537/4558 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5611 event pairs, 4 based on Foata normal form. 34/6414 useless extension candidates. Maximal degree in co-relation 7878. Up to 121 conditions per place. [2021-12-06 23:45:34,339 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 66 selfloop transitions, 90 changer transitions 0/529 dead transitions. [2021-12-06 23:45:34,339 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 529 transitions, 2494 flow [2021-12-06 23:45:34,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-12-06 23:45:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-12-06 23:45:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 31941 transitions. [2021-12-06 23:45:34,357 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9514745308310992 [2021-12-06 23:45:34,358 INFO L72 ComplementDD]: Start complementDD. Operand 90 states and 31941 transitions. [2021-12-06 23:45:34,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 31941 transitions. [2021-12-06 23:45:34,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:34,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 90 states and 31941 transitions. [2021-12-06 23:45:34,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 91 states, 90 states have (on average 354.9) internal successors, (31941), 90 states have internal predecessors, (31941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:34,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 91 states, 91 states have (on average 373.0) internal successors, (33943), 91 states have internal predecessors, (33943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:34,408 INFO L81 ComplementDD]: Finished complementDD. Result has 91 states, 91 states have (on average 373.0) internal successors, (33943), 91 states have internal predecessors, (33943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:34,408 INFO L186 Difference]: Start difference. First operand has 429 places, 428 transitions, 1408 flow. Second operand 90 states and 31941 transitions. [2021-12-06 23:45:34,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 529 transitions, 2494 flow [2021-12-06 23:45:34,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 518 places, 529 transitions, 2494 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:45:34,423 INFO L242 Difference]: Finished difference. Result has 534 places, 474 transitions, 2062 flow [2021-12-06 23:45:34,424 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=1408, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=90, PETRI_FLOW=2062, PETRI_PLACES=534, PETRI_TRANSITIONS=474} [2021-12-06 23:45:34,424 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 173 predicate places. [2021-12-06 23:45:34,424 INFO L470 AbstractCegarLoop]: Abstraction has has 534 places, 474 transitions, 2062 flow [2021-12-06 23:45:34,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 355.4918032786885) internal successors, (21685), 61 states have internal predecessors, (21685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:34,426 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:34,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:45:34,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 23:45:34,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 23:45:34,628 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting fErr0ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:34,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:34,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1008509452, now seen corresponding path program 2 times [2021-12-06 23:45:34,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:34,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443189848] [2021-12-06 23:45:34,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:34,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:34,838 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:34,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029447748] [2021-12-06 23:45:34,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:45:34,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:34,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:34,839 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:34,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-12-06 23:45:35,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:45:35,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:45:35,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:45:35,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:37,265 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 [2021-12-06 23:45:37,274 INFO L354 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2021-12-06 23:45:37,274 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 [2021-12-06 23:45:37,292 INFO L354 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2021-12-06 23:45:37,292 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 [2021-12-06 23:45:37,319 INFO L354 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2021-12-06 23:45:37,319 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 [2021-12-06 23:45:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39616 trivial. 0 not checked. [2021-12-06 23:45:37,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:45:37,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:37,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443189848] [2021-12-06 23:45:37,343 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:37,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029447748] [2021-12-06 23:45:37,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029447748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:45:37,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:45:37,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:45:37,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893117526] [2021-12-06 23:45:37,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:45:37,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:45:37,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:37,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:45:37,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:45:37,347 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 373 [2021-12-06 23:45:37,348 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 474 transitions, 2062 flow. Second operand has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:37,348 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:37,348 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 373 [2021-12-06 23:45:37,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:45:50,998 INFO L129 PetriNetUnfolder]: 3429/14102 cut-off events. [2021-12-06 23:45:50,999 INFO L130 PetriNetUnfolder]: For 5398/5406 co-relation queries the response was YES. [2021-12-06 23:45:51,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26974 conditions, 14102 events. 3429/14102 cut-off events. For 5398/5406 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 71724 event pairs, 1148 based on Foata normal form. 0/12988 useless extension candidates. Maximal degree in co-relation 22645. Up to 6611 conditions per place. [2021-12-06 23:45:51,085 INFO L132 encePairwiseOnDemand]: 361/373 looper letters, 282 selfloop transitions, 49 changer transitions 0/638 dead transitions. [2021-12-06 23:45:51,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 638 transitions, 3314 flow [2021-12-06 23:45:51,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:45:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:45:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1569 transitions. [2021-12-06 23:45:51,088 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7010723860589813 [2021-12-06 23:45:51,088 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1569 transitions. [2021-12-06 23:45:51,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1569 transitions. [2021-12-06 23:45:51,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:45:51,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1569 transitions. [2021-12-06 23:45:51,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 261.5) internal successors, (1569), 6 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:51,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:51,093 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:51,093 INFO L186 Difference]: Start difference. First operand has 534 places, 474 transitions, 2062 flow. Second operand 6 states and 1569 transitions. [2021-12-06 23:45:51,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 638 transitions, 3314 flow [2021-12-06 23:45:51,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 638 transitions, 3196 flow, removed 17 selfloop flow, removed 42 redundant places. [2021-12-06 23:45:51,129 INFO L242 Difference]: Finished difference. Result has 502 places, 512 transitions, 2394 flow [2021-12-06 23:45:51,130 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2394, PETRI_PLACES=502, PETRI_TRANSITIONS=512} [2021-12-06 23:45:51,130 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 141 predicate places. [2021-12-06 23:45:51,130 INFO L470 AbstractCegarLoop]: Abstraction has has 502 places, 512 transitions, 2394 flow [2021-12-06 23:45:51,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.33333333333334) internal successors, (1376), 6 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:51,131 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:45:51,132 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:45:51,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2021-12-06 23:45:51,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-06 23:45:51,333 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:45:51,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:45:51,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1516565143, now seen corresponding path program 1 times [2021-12-06 23:45:51,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:45:51,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796642082] [2021-12-06 23:45:51,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:51,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:45:51,609 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:45:51,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [208286744] [2021-12-06 23:45:51,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:45:51,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:45:51,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:45:51,610 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:45:51,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-12-06 23:45:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:45:53,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 11411 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:45:53,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:45:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2021-12-06 23:45:56,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:45:59,190 INFO L134 CoverageAnalysis]: Checked inductivity of 39616 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 39615 trivial. 0 not checked. [2021-12-06 23:45:59,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:45:59,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796642082] [2021-12-06 23:45:59,191 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:45:59,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208286744] [2021-12-06 23:45:59,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208286744] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:45:59,191 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:45:59,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-06 23:45:59,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200068834] [2021-12-06 23:45:59,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:45:59,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:45:59,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:45:59,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:45:59,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:45:59,197 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 373 [2021-12-06 23:45:59,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 512 transitions, 2394 flow. Second operand has 8 states, 8 states have (on average 352.75) internal successors, (2822), 8 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:45:59,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:45:59,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 373 [2021-12-06 23:45:59,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:46:09,821 INFO L129 PetriNetUnfolder]: 199/9926 cut-off events. [2021-12-06 23:46:09,821 INFO L130 PetriNetUnfolder]: For 4415/4454 co-relation queries the response was YES. [2021-12-06 23:46:09,843 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13145 conditions, 9926 events. 199/9926 cut-off events. For 4415/4454 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 10965 event pairs, 10 based on Foata normal form. 4/9764 useless extension candidates. Maximal degree in co-relation 12245. Up to 181 conditions per place. [2021-12-06 23:46:09,852 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 21 selfloop transitions, 9 changer transitions 0/528 dead transitions. [2021-12-06 23:46:09,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 528 transitions, 2488 flow [2021-12-06 23:46:09,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:46:09,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-06 23:46:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3182 transitions. [2021-12-06 23:46:09,855 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9478701221328567 [2021-12-06 23:46:09,855 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3182 transitions. [2021-12-06 23:46:09,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3182 transitions. [2021-12-06 23:46:09,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:46:09,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3182 transitions. [2021-12-06 23:46:09,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 353.55555555555554) internal successors, (3182), 9 states have internal predecessors, (3182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:09,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:09,859 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 373.0) internal successors, (3730), 10 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:09,859 INFO L186 Difference]: Start difference. First operand has 502 places, 512 transitions, 2394 flow. Second operand 9 states and 3182 transitions. [2021-12-06 23:46:09,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 528 transitions, 2488 flow [2021-12-06 23:46:09,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 528 transitions, 2488 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:46:09,887 INFO L242 Difference]: Finished difference. Result has 513 places, 518 transitions, 2444 flow [2021-12-06 23:46:09,887 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=2394, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=512, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2444, PETRI_PLACES=513, PETRI_TRANSITIONS=518} [2021-12-06 23:46:09,888 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 152 predicate places. [2021-12-06 23:46:09,888 INFO L470 AbstractCegarLoop]: Abstraction has has 513 places, 518 transitions, 2444 flow [2021-12-06 23:46:09,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 352.75) internal successors, (2822), 8 states have internal predecessors, (2822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:09,888 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:46:09,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:46:09,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2021-12-06 23:46:10,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:46:10,093 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:46:10,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:46:10,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1419987031, now seen corresponding path program 2 times [2021-12-06 23:46:10,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:46:10,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513833851] [2021-12-06 23:46:10,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:46:10,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:46:10,724 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:46:10,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738771988] [2021-12-06 23:46:10,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:46:10,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:46:10,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:46:10,725 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:46:10,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-12-06 23:46:12,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:46:12,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:46:12,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:46:12,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:46:17,111 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 [2021-12-06 23:46:17,120 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:46:17,120 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 [2021-12-06 23:46:17,137 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:46:17,137 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 [2021-12-06 23:46:17,165 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:46:17,165 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 [2021-12-06 23:46:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 364812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364812 trivial. 0 not checked. [2021-12-06 23:46:17,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:46:17,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:46:17,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513833851] [2021-12-06 23:46:17,194 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:46:17,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738771988] [2021-12-06 23:46:17,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738771988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:46:17,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:46:17,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:46:17,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096336881] [2021-12-06 23:46:17,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:46:17,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:46:17,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:46:17,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:46:17,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:46:17,201 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 373 [2021-12-06 23:46:17,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 518 transitions, 2444 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:17,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:46:17,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 373 [2021-12-06 23:46:17,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:46:48,059 INFO L129 PetriNetUnfolder]: 2509/15492 cut-off events. [2021-12-06 23:46:48,059 INFO L130 PetriNetUnfolder]: For 9464/9472 co-relation queries the response was YES. [2021-12-06 23:46:48,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29904 conditions, 15492 events. 2509/15492 cut-off events. For 9464/9472 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 60171 event pairs, 1037 based on Foata normal form. 0/14791 useless extension candidates. Maximal degree in co-relation 25686. Up to 7204 conditions per place. [2021-12-06 23:46:48,146 INFO L132 encePairwiseOnDemand]: 362/373 looper letters, 273 selfloop transitions, 73 changer transitions 0/676 dead transitions. [2021-12-06 23:46:48,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 676 transitions, 3940 flow [2021-12-06 23:46:48,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:46:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:46:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1623 transitions. [2021-12-06 23:46:48,149 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.725201072386059 [2021-12-06 23:46:48,150 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1623 transitions. [2021-12-06 23:46:48,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1623 transitions. [2021-12-06 23:46:48,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:46:48,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1623 transitions. [2021-12-06 23:46:48,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 270.5) internal successors, (1623), 6 states have internal predecessors, (1623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:48,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:48,154 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:48,154 INFO L186 Difference]: Start difference. First operand has 513 places, 518 transitions, 2444 flow. Second operand 6 states and 1623 transitions. [2021-12-06 23:46:48,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 676 transitions, 3940 flow [2021-12-06 23:46:48,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 676 transitions, 3934 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-06 23:46:48,198 INFO L242 Difference]: Finished difference. Result has 522 places, 575 transitions, 3248 flow [2021-12-06 23:46:48,199 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=2438, PETRI_DIFFERENCE_MINUEND_PLACES=512, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=518, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3248, PETRI_PLACES=522, PETRI_TRANSITIONS=575} [2021-12-06 23:46:48,199 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 161 predicate places. [2021-12-06 23:46:48,199 INFO L470 AbstractCegarLoop]: Abstraction has has 522 places, 575 transitions, 3248 flow [2021-12-06 23:46:48,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:46:48,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:46:48,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:46:48,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-12-06 23:46:48,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:46:48,404 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:46:48,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:46:48,411 INFO L85 PathProgramCache]: Analyzing trace with hash -597173418, now seen corresponding path program 1 times [2021-12-06 23:46:48,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:46:48,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306200868] [2021-12-06 23:46:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:46:48,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:46:49,007 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:46:49,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148010627] [2021-12-06 23:46:49,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:46:49,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:46:49,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:46:49,008 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:46:49,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-12-06 23:46:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:46:54,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 33779 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:46:54,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:47:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 364812 backedges. 0 proven. 245967 refuted. 0 times theorem prover too weak. 118845 trivial. 0 not checked. [2021-12-06 23:47:07,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:47:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 364812 backedges. 0 proven. 245967 refuted. 0 times theorem prover too weak. 118845 trivial. 0 not checked. [2021-12-06 23:47:20,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:47:20,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306200868] [2021-12-06 23:47:20,590 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:47:20,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148010627] [2021-12-06 23:47:20,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148010627] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:47:20,590 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:47:20,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-06 23:47:20,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295070207] [2021-12-06 23:47:20,595 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:47:20,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 23:47:20,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:47:20,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 23:47:20,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-06 23:47:20,605 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 373 [2021-12-06 23:47:20,607 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 575 transitions, 3248 flow. Second operand has 16 states, 16 states have (on average 353.4375) internal successors, (5655), 16 states have internal predecessors, (5655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:47:20,607 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:47:20,607 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 373 [2021-12-06 23:47:20,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:48:07,995 INFO L129 PetriNetUnfolder]: 330/21387 cut-off events. [2021-12-06 23:48:07,995 INFO L130 PetriNetUnfolder]: For 11420/11575 co-relation queries the response was YES. [2021-12-06 23:48:08,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28573 conditions, 21387 events. 330/21387 cut-off events. For 11420/11575 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 14407 event pairs, 11 based on Foata normal form. 28/21231 useless extension candidates. Maximal degree in co-relation 27084. Up to 421 conditions per place. [2021-12-06 23:48:08,080 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 41 selfloop transitions, 21 changer transitions 0/617 dead transitions. [2021-12-06 23:48:08,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 617 transitions, 3508 flow [2021-12-06 23:48:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 23:48:08,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-12-06 23:48:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 7416 transitions. [2021-12-06 23:48:08,085 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9467636920720031 [2021-12-06 23:48:08,085 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 7416 transitions. [2021-12-06 23:48:08,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 7416 transitions. [2021-12-06 23:48:08,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:48:08,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 7416 transitions. [2021-12-06 23:48:08,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 353.14285714285717) internal successors, (7416), 21 states have internal predecessors, (7416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:48:08,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 373.0) internal successors, (8206), 22 states have internal predecessors, (8206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:48:08,110 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 373.0) internal successors, (8206), 22 states have internal predecessors, (8206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:48:08,110 INFO L186 Difference]: Start difference. First operand has 522 places, 575 transitions, 3248 flow. Second operand 21 states and 7416 transitions. [2021-12-06 23:48:08,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 617 transitions, 3508 flow [2021-12-06 23:48:08,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 617 transitions, 3508 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:48:08,150 INFO L242 Difference]: Finished difference. Result has 547 places, 588 transitions, 3378 flow [2021-12-06 23:48:08,151 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=3248, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=575, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3378, PETRI_PLACES=547, PETRI_TRANSITIONS=588} [2021-12-06 23:48:08,151 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 186 predicate places. [2021-12-06 23:48:08,151 INFO L470 AbstractCegarLoop]: Abstraction has has 547 places, 588 transitions, 3378 flow [2021-12-06 23:48:08,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 353.4375) internal successors, (5655), 16 states have internal predecessors, (5655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:48:08,152 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:48:08,158 INFO L254 CegarLoopForPetriNet]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:48:08,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-12-06 23:48:08,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:48:08,360 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting fErr1ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:48:08,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:48:08,374 INFO L85 PathProgramCache]: Analyzing trace with hash 2048526038, now seen corresponding path program 2 times [2021-12-06 23:48:08,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:48:08,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37520803] [2021-12-06 23:48:08,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:48:08,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:48:09,857 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:48:09,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699869297] [2021-12-06 23:48:09,858 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:48:09,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:48:09,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:48:09,859 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:48:09,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-12-06 23:48:14,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:48:14,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:48:14,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:48:14,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:48:24,475 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 [2021-12-06 23:48:24,483 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:48:24,484 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 [2021-12-06 23:48:24,501 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:48:24,502 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 [2021-12-06 23:48:24,528 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:48:24,528 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 [2021-12-06 23:48:24,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1999060 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1999060 trivial. 0 not checked. [2021-12-06 23:48:24,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:48:24,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:48:24,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37520803] [2021-12-06 23:48:24,599 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:48:24,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699869297] [2021-12-06 23:48:24,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699869297] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:48:24,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:48:24,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:48:24,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418764262] [2021-12-06 23:48:24,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:48:24,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:48:24,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:48:24,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:48:24,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:48:24,612 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 373 [2021-12-06 23:48:24,613 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 588 transitions, 3378 flow. Second operand has 6 states, 6 states have (on average 244.83333333333334) internal successors, (1469), 6 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:48:24,613 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:48:24,613 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 373 [2021-12-06 23:48:24,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:50:18,607 INFO L129 PetriNetUnfolder]: 2572/26630 cut-off events. [2021-12-06 23:50:18,607 INFO L130 PetriNetUnfolder]: For 18814/18838 co-relation queries the response was YES. [2021-12-06 23:50:18,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51028 conditions, 26630 events. 2572/26630 cut-off events. For 18814/18838 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 60363 event pairs, 965 based on Foata normal form. 3/26054 useless extension candidates. Maximal degree in co-relation 46105. Up to 12169 conditions per place. [2021-12-06 23:50:18,771 INFO L132 encePairwiseOnDemand]: 362/373 looper letters, 326 selfloop transitions, 105 changer transitions 0/774 dead transitions. [2021-12-06 23:50:18,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 774 transitions, 5504 flow [2021-12-06 23:50:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:50:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-06 23:50:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1619 transitions. [2021-12-06 23:50:18,773 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7234137622877569 [2021-12-06 23:50:18,773 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1619 transitions. [2021-12-06 23:50:18,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1619 transitions. [2021-12-06 23:50:18,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:50:18,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1619 transitions. [2021-12-06 23:50:18,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 269.8333333333333) internal successors, (1619), 6 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:50:18,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:50:18,776 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 373.0) internal successors, (2611), 7 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:50:18,776 INFO L186 Difference]: Start difference. First operand has 547 places, 588 transitions, 3378 flow. Second operand 6 states and 1619 transitions. [2021-12-06 23:50:18,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 774 transitions, 5504 flow [2021-12-06 23:50:18,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 546 places, 774 transitions, 5480 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-12-06 23:50:18,843 INFO L242 Difference]: Finished difference. Result has 551 places, 661 transitions, 4636 flow [2021-12-06 23:50:18,844 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=3354, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=525, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4636, PETRI_PLACES=551, PETRI_TRANSITIONS=661} [2021-12-06 23:50:18,844 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 190 predicate places. [2021-12-06 23:50:18,844 INFO L470 AbstractCegarLoop]: Abstraction has has 551 places, 661 transitions, 4636 flow [2021-12-06 23:50:18,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.83333333333334) internal successors, (1469), 6 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:50:18,845 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:50:18,850 INFO L254 CegarLoopForPetriNet]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:50:18,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2021-12-06 23:50:19,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:50:19,051 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:50:19,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:50:19,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1103370404, now seen corresponding path program 1 times [2021-12-06 23:50:19,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:50:19,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174054202] [2021-12-06 23:50:19,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:50:19,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:50:20,650 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:50:20,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985076303] [2021-12-06 23:50:20,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:50:20,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:50:20,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:50:20,652 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:50:20,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-12-06 23:50:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:50:33,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 78470 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 23:50:34,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:50:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1999060 backedges. 0 proven. 1721755 refuted. 0 times theorem prover too weak. 277305 trivial. 0 not checked. [2021-12-06 23:50:59,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:51:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1999060 backedges. 0 proven. 1721755 refuted. 0 times theorem prover too weak. 277305 trivial. 0 not checked. [2021-12-06 23:51:33,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:33,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174054202] [2021-12-06 23:51:33,116 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:51:33,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985076303] [2021-12-06 23:51:33,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985076303] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:51:33,117 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 23:51:33,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 21 [2021-12-06 23:51:33,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371341150] [2021-12-06 23:51:33,127 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 23:51:33,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 23:51:33,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:33,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 23:51:33,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2021-12-06 23:51:33,137 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 373 [2021-12-06 23:51:33,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 661 transitions, 4636 flow. Second operand has 21 states, 21 states have (on average 353.7142857142857) internal successors, (7428), 21 states have internal predecessors, (7428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:33,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:51:33,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 373 [2021-12-06 23:51:33,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-06 23:53:12,601 INFO L129 PetriNetUnfolder]: 453/30083 cut-off events. [2021-12-06 23:53:12,601 INFO L130 PetriNetUnfolder]: For 21414/21781 co-relation queries the response was YES. [2021-12-06 23:53:12,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41065 conditions, 30083 events. 453/30083 cut-off events. For 21414/21781 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 18362 event pairs, 11 based on Foata normal form. 76/29976 useless extension candidates. Maximal degree in co-relation 38565. Up to 601 conditions per place. [2021-12-06 23:53:12,769 INFO L132 encePairwiseOnDemand]: 367/373 looper letters, 56 selfloop transitions, 30 changer transitions 0/714 dead transitions. [2021-12-06 23:53:12,769 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 714 transitions, 5002 flow [2021-12-06 23:53:12,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-06 23:53:12,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-12-06 23:53:12,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 10589 transitions. [2021-12-06 23:53:12,774 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9462913315460232 [2021-12-06 23:53:12,774 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 10589 transitions. [2021-12-06 23:53:12,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 10589 transitions. [2021-12-06 23:53:12,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:53:12,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 10589 transitions. [2021-12-06 23:53:12,782 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 352.96666666666664) internal successors, (10589), 30 states have internal predecessors, (10589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:12,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 373.0) internal successors, (11563), 31 states have internal predecessors, (11563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:12,789 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 373.0) internal successors, (11563), 31 states have internal predecessors, (11563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:12,789 INFO L186 Difference]: Start difference. First operand has 551 places, 661 transitions, 4636 flow. Second operand 30 states and 10589 transitions. [2021-12-06 23:53:12,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 714 transitions, 5002 flow [2021-12-06 23:53:12,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 580 places, 714 transitions, 5002 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-06 23:53:12,855 INFO L242 Difference]: Finished difference. Result has 584 places, 671 transitions, 4788 flow [2021-12-06 23:53:12,855 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=373, PETRI_DIFFERENCE_MINUEND_FLOW=4636, PETRI_DIFFERENCE_MINUEND_PLACES=551, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=661, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=638, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4788, PETRI_PLACES=584, PETRI_TRANSITIONS=671} [2021-12-06 23:53:12,856 INFO L334 CegarLoopForPetriNet]: 361 programPoint places, 223 predicate places. [2021-12-06 23:53:12,856 INFO L470 AbstractCegarLoop]: Abstraction has has 584 places, 671 transitions, 4788 flow [2021-12-06 23:53:12,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 353.7142857142857) internal successors, (7428), 21 states have internal predecessors, (7428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:12,857 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-06 23:53:12,859 INFO L254 CegarLoopForPetriNet]: trace histogram [300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:53:13,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-12-06 23:53:13,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:53:13,059 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting fErr2ASSERT_VIOLATIONDATA_RACE === [fErr0ASSERT_VIOLATIONDATA_RACE, fErr1ASSERT_VIOLATIONDATA_RACE, fErr2ASSERT_VIOLATIONDATA_RACE, fErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2021-12-06 23:53:13,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:53:13,061 INFO L85 PathProgramCache]: Analyzing trace with hash 186219516, now seen corresponding path program 2 times [2021-12-06 23:53:13,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:53:13,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696146795] [2021-12-06 23:53:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:53:13,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:53:15,080 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 23:53:15,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [922212218] [2021-12-06 23:53:15,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 23:53:15,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:53:15,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:53:15,081 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:53:15,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b61b5fa-fad7-430d-ad7f-ea93dbdcdb18/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-12-06 23:53:22,700 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 23:53:22,700 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:53:22,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 23:53:22,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:53:37,556 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 [2021-12-06 23:53:37,564 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 23:53:37,564 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 [2021-12-06 23:53:37,580 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-12-06 23:53:37,581 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 [2021-12-06 23:53:37,606 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-12-06 23:53:37,607 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 [2021-12-06 23:53:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4085620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4085620 trivial. 0 not checked. [2021-12-06 23:53:37,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:53:37,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:53:37,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696146795] [2021-12-06 23:53:37,721 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-06 23:53:37,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922212218] [2021-12-06 23:53:37,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922212218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:53:37,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:53:37,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:53:37,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229902010] [2021-12-06 23:53:37,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:53:37,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:53:37,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:53:37,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:53:37,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:53:37,734 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 373 [2021-12-06 23:53:37,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 671 transitions, 4788 flow. Second operand has 6 states, 6 states have (on average 243.83333333333334) internal successors, (1463), 6 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:53:37,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-06 23:53:37,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 373 [2021-12-06 23:53:37,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand