./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_06-cond_racing1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/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_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_06-cond_racing1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 830cb16a3cbc120e059f0ed7638e33ed20360a11f425952cf536aa3d659b86fc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:22:18,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:22:18,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:22:18,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:22:18,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:22:18,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:22:18,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:22:18,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:22:18,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:22:18,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:22:18,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:22:18,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:22:18,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:22:18,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:22:18,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:22:18,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:22:18,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:22:18,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:22:18,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:22:18,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:22:18,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:22:18,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:22:18,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:22:18,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:22:18,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:22:18,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:22:18,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:22:18,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:22:18,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:22:18,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:22:18,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:22:18,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:22:18,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:22:18,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:22:18,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:22:18,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:22:18,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:22:18,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:22:18,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:22:18,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:22:18,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:22:18,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:22:18,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:22:18,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:22:18,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:22:18,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:22:18,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:22:18,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:22:18,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:22:18,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:22:18,381 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:22:18,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:22:18,382 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:22:18,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:22:18,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:22:18,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:22:18,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:22:18,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:22:18,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:22:18,382 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:22:18,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:22:18,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:22:18,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:22:18,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:22:18,383 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:22:18,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:22:18,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:22:18,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:22:18,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:22:18,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:22:18,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:22:18,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:22:18,384 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:22:18,384 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:22:18,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:22:18,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:22:18,385 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_63a272c4-6502-4686-8187-94622d0df2d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 830cb16a3cbc120e059f0ed7638e33ed20360a11f425952cf536aa3d659b86fc [2021-12-07 01:22:18,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:22:18,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:22:18,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:22:18,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:22:18,590 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:22:18,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/goblint-regression/28-race_reach_06-cond_racing1.i [2021-12-07 01:22:18,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/data/23ba9fac3/23a26f2c0aa64f55a974952f8a2aed5c/FLAG9ba2b9310 [2021-12-07 01:22:19,054 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:22:19,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/sv-benchmarks/c/goblint-regression/28-race_reach_06-cond_racing1.i [2021-12-07 01:22:19,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/data/23ba9fac3/23a26f2c0aa64f55a974952f8a2aed5c/FLAG9ba2b9310 [2021-12-07 01:22:19,077 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/data/23ba9fac3/23a26f2c0aa64f55a974952f8a2aed5c [2021-12-07 01:22:19,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:22:19,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:22:19,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:22:19,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:22:19,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:22:19,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e34d004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19, skipping insertion in model container [2021-12-07 01:22:19,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:22:19,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:22:19,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/sv-benchmarks/c/goblint-regression/28-race_reach_06-cond_racing1.i[41322,41335] [2021-12-07 01:22:19,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:22:19,508 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:22:19,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/sv-benchmarks/c/goblint-regression/28-race_reach_06-cond_racing1.i[41322,41335] [2021-12-07 01:22:19,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:22:19,606 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:22:19,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19 WrapperNode [2021-12-07 01:22:19,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:22:19,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:22:19,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:22:19,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:22:19,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,651 INFO L137 Inliner]: procedures = 270, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2021-12-07 01:22:19,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:22:19,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:22:19,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:22:19,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:22:19,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:22:19,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:22:19,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:22:19,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:22:19,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (1/1) ... [2021-12-07 01:22:19,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:22:19,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:19,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:22:19,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-07 01:22:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:22:19,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:22:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:22:19,742 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 01:22:19,820 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:22:19,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:22:19,996 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:22:20,003 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:22:20,004 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-07 01:22:20,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:22:20 BoogieIcfgContainer [2021-12-07 01:22:20,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:22:20,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:22:20,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:22:20,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:22:20,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:22:19" (1/3) ... [2021-12-07 01:22:20,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0764c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:22:20, skipping insertion in model container [2021-12-07 01:22:20,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:22:19" (2/3) ... [2021-12-07 01:22:20,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c0764c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:22:20, skipping insertion in model container [2021-12-07 01:22:20,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:22:20" (3/3) ... [2021-12-07 01:22:20,011 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2021-12-07 01:22:20,015 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 01:22:20,016 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:22:20,016 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:22:20,016 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 01:22:20,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,037 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,038 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,039 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,040 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,045 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,046 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,051 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-07 01:22:20,086 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:22:20,091 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 [2021-12-07 01:22:20,091 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 01:22:20,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 127 transitions, 262 flow [2021-12-07 01:22:20,155 INFO L129 PetriNetUnfolder]: 23/172 cut-off events. [2021-12-07 01:22:20,156 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-07 01:22:20,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 172 events. 23/172 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 383 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 87. Up to 6 conditions per place. [2021-12-07 01:22:20,159 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 127 transitions, 262 flow [2021-12-07 01:22:20,164 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 122 transitions, 249 flow [2021-12-07 01:22:20,180 INFO L129 PetriNetUnfolder]: 9/113 cut-off events. [2021-12-07 01:22:20,180 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:22:20,180 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:20,181 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:20,181 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:20,185 INFO L85 PathProgramCache]: Analyzing trace with hash 706734294, now seen corresponding path program 1 times [2021-12-07 01:22:20,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:20,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587108034] [2021-12-07 01:22:20,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:20,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:20,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:20,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587108034] [2021-12-07 01:22:20,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587108034] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:20,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:20,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:22:20,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290361814] [2021-12-07 01:22:20,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:20,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:20,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:20,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:20,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:22:20,394 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 127 [2021-12-07 01:22:20,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 122 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:20,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 127 [2021-12-07 01:22:20,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:20,437 INFO L129 PetriNetUnfolder]: 3/114 cut-off events. [2021-12-07 01:22:20,438 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:22:20,438 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 114 events. 3/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 142 event pairs, 0 based on Foata normal form. 22/130 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2021-12-07 01:22:20,439 INFO L132 encePairwiseOnDemand]: 113/127 looper letters, 8 selfloop transitions, 2 changer transitions 19/112 dead transitions. [2021-12-07 01:22:20,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 112 transitions, 249 flow [2021-12-07 01:22:20,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:20,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:20,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2021-12-07 01:22:20,450 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.910761154855643 [2021-12-07 01:22:20,450 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 347 transitions. [2021-12-07 01:22:20,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 347 transitions. [2021-12-07 01:22:20,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:20,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 347 transitions. [2021-12-07 01:22:20,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,461 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,461 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 127.0) internal successors, (508), 4 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,462 INFO L186 Difference]: Start difference. First operand has 111 places, 122 transitions, 249 flow. Second operand 3 states and 347 transitions. [2021-12-07 01:22:20,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 112 transitions, 249 flow [2021-12-07 01:22:20,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 112 transitions, 249 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:20,469 INFO L242 Difference]: Finished difference. Result has 113 places, 91 transitions, 195 flow [2021-12-07 01:22:20,471 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=113, PETRI_TRANSITIONS=91} [2021-12-07 01:22:20,473 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 2 predicate places. [2021-12-07 01:22:20,474 INFO L470 AbstractCegarLoop]: Abstraction has has 113 places, 91 transitions, 195 flow [2021-12-07 01:22:20,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,474 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:20,474 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:20,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:22:20,474 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:20,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:20,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1070178912, now seen corresponding path program 1 times [2021-12-07 01:22:20,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:20,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736273215] [2021-12-07 01:22:20,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:20,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:20,507 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:22:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:20,547 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:22:20,547 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 01:22:20,548 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-07 01:22:20,549 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-07 01:22:20,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:22:20,552 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-07 01:22:20,553 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-07 01:22:20,553 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-12-07 01:22:20,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,561 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,561 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,562 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,563 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,564 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,565 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,566 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,567 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,568 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,568 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,569 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,569 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,570 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,570 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:20,571 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-07 01:22:20,574 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:22:20,574 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 [2021-12-07 01:22:20,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 01:22:20,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 157 transitions, 332 flow [2021-12-07 01:22:20,608 INFO L129 PetriNetUnfolder]: 40/272 cut-off events. [2021-12-07 01:22:20,608 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-07 01:22:20,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 272 events. 40/272 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 768 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 174. Up to 9 conditions per place. [2021-12-07 01:22:20,610 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 157 transitions, 332 flow [2021-12-07 01:22:20,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 157 transitions, 332 flow [2021-12-07 01:22:20,621 INFO L129 PetriNetUnfolder]: 9/110 cut-off events. [2021-12-07 01:22:20,621 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:22:20,621 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:20,621 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:20,621 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:20,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:20,622 INFO L85 PathProgramCache]: Analyzing trace with hash -38755054, now seen corresponding path program 1 times [2021-12-07 01:22:20,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:20,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891038982] [2021-12-07 01:22:20,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:20,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:20,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:20,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:20,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891038982] [2021-12-07 01:22:20,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891038982] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:20,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:20,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:22:20,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981521304] [2021-12-07 01:22:20,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:20,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:22:20,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:20,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:22:20,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:22:20,674 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 157 [2021-12-07 01:22:20,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 157 transitions, 332 flow. Second operand has 2 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:20,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 157 [2021-12-07 01:22:20,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:20,714 INFO L129 PetriNetUnfolder]: 12/241 cut-off events. [2021-12-07 01:22:20,714 INFO L130 PetriNetUnfolder]: For 21/27 co-relation queries the response was YES. [2021-12-07 01:22:20,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 241 events. 12/241 cut-off events. For 21/27 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 676 event pairs, 0 based on Foata normal form. 42/264 useless extension candidates. Maximal degree in co-relation 158. Up to 7 conditions per place. [2021-12-07 01:22:20,715 INFO L132 encePairwiseOnDemand]: 140/157 looper letters, 2 selfloop transitions, 0 changer transitions 25/139 dead transitions. [2021-12-07 01:22:20,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 139 transitions, 304 flow [2021-12-07 01:22:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:22:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-07 01:22:20,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 291 transitions. [2021-12-07 01:22:20,718 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9267515923566879 [2021-12-07 01:22:20,718 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 291 transitions. [2021-12-07 01:22:20,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 291 transitions. [2021-12-07 01:22:20,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:20,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 291 transitions. [2021-12-07 01:22:20,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,721 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 157.0) internal successors, (471), 3 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,721 INFO L186 Difference]: Start difference. First operand has 140 places, 157 transitions, 332 flow. Second operand 2 states and 291 transitions. [2021-12-07 01:22:20,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 139 transitions, 304 flow [2021-12-07 01:22:20,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 139 transitions, 304 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:20,725 INFO L242 Difference]: Finished difference. Result has 140 places, 114 transitions, 240 flow [2021-12-07 01:22:20,726 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=240, PETRI_PLACES=140, PETRI_TRANSITIONS=114} [2021-12-07 01:22:20,726 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, 0 predicate places. [2021-12-07 01:22:20,726 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 114 transitions, 240 flow [2021-12-07 01:22:20,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,727 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:20,727 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:20,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:22:20,727 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:20,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:20,728 INFO L85 PathProgramCache]: Analyzing trace with hash -332158061, now seen corresponding path program 1 times [2021-12-07 01:22:20,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:20,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823540878] [2021-12-07 01:22:20,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:20,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:20,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:20,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823540878] [2021-12-07 01:22:20,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823540878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:20,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:20,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:22:20,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757693414] [2021-12-07 01:22:20,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:20,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:20,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:20,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:20,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:22:20,770 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 157 [2021-12-07 01:22:20,771 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 114 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:20,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 157 [2021-12-07 01:22:20,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:20,796 INFO L129 PetriNetUnfolder]: 2/143 cut-off events. [2021-12-07 01:22:20,797 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-07 01:22:20,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 143 events. 2/143 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 233 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 166. Up to 12 conditions per place. [2021-12-07 01:22:20,798 INFO L132 encePairwiseOnDemand]: 154/157 looper letters, 11 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2021-12-07 01:22:20,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 118 transitions, 274 flow [2021-12-07 01:22:20,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2021-12-07 01:22:20,800 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8450106157112527 [2021-12-07 01:22:20,800 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 398 transitions. [2021-12-07 01:22:20,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 398 transitions. [2021-12-07 01:22:20,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:20,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 398 transitions. [2021-12-07 01:22:20,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,803 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,803 INFO L186 Difference]: Start difference. First operand has 140 places, 114 transitions, 240 flow. Second operand 3 states and 398 transitions. [2021-12-07 01:22:20,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 118 transitions, 274 flow [2021-12-07 01:22:20,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 118 transitions, 272 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:20,807 INFO L242 Difference]: Finished difference. Result has 122 places, 115 transitions, 250 flow [2021-12-07 01:22:20,807 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=122, PETRI_TRANSITIONS=115} [2021-12-07 01:22:20,808 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, -18 predicate places. [2021-12-07 01:22:20,808 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 115 transitions, 250 flow [2021-12-07 01:22:20,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:20,808 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:20,808 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] [2021-12-07 01:22:20,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:22:20,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:20,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:20,809 INFO L85 PathProgramCache]: Analyzing trace with hash 2039958608, now seen corresponding path program 1 times [2021-12-07 01:22:20,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:20,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825566398] [2021-12-07 01:22:20,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:20,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:20,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:20,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825566398] [2021-12-07 01:22:20,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825566398] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:20,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857269488] [2021-12-07 01:22:20,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:20,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:20,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:20,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:20,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:22:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:20,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 01:22:20,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:21,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:22:21,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:22:21,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857269488] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:21,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:22:21,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-07 01:22:21,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557264940] [2021-12-07 01:22:21,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:21,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:21,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:21,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:21,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:22:21,017 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 157 [2021-12-07 01:22:21,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 115 transitions, 250 flow. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:21,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 157 [2021-12-07 01:22:21,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:21,039 INFO L129 PetriNetUnfolder]: 0/145 cut-off events. [2021-12-07 01:22:21,039 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-07 01:22:21,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 145 events. 0/145 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 247 event pairs, 0 based on Foata normal form. 2/145 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2021-12-07 01:22:21,040 INFO L132 encePairwiseOnDemand]: 155/157 looper letters, 6 selfloop transitions, 0 changer transitions 1/115 dead transitions. [2021-12-07 01:22:21,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 115 transitions, 264 flow [2021-12-07 01:22:21,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:21,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2021-12-07 01:22:21,042 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8259023354564756 [2021-12-07 01:22:21,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 389 transitions. [2021-12-07 01:22:21,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 389 transitions. [2021-12-07 01:22:21,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:21,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 389 transitions. [2021-12-07 01:22:21,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,045 INFO L186 Difference]: Start difference. First operand has 122 places, 115 transitions, 250 flow. Second operand 3 states and 389 transitions. [2021-12-07 01:22:21,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 115 transitions, 264 flow [2021-12-07 01:22:21,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 115 transitions, 262 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:21,049 INFO L242 Difference]: Finished difference. Result has 124 places, 114 transitions, 248 flow [2021-12-07 01:22:21,050 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=157, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=124, PETRI_TRANSITIONS=114} [2021-12-07 01:22:21,050 INFO L334 CegarLoopForPetriNet]: 140 programPoint places, -16 predicate places. [2021-12-07 01:22:21,051 INFO L470 AbstractCegarLoop]: Abstraction has has 124 places, 114 transitions, 248 flow [2021-12-07 01:22:21,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,051 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:21,052 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:21,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:22:21,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:21,252 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:21,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:21,253 INFO L85 PathProgramCache]: Analyzing trace with hash -313844173, now seen corresponding path program 1 times [2021-12-07 01:22:21,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:21,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398669785] [2021-12-07 01:22:21,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:21,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:21,279 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:22:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:21,308 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:22:21,308 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 01:22:21,308 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-07 01:22:21,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-07 01:22:21,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:22:21,309 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-07 01:22:21,309 WARN L234 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-07 01:22:21,309 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-12-07 01:22:21,318 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,319 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,319 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,319 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,319 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,319 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,320 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,321 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,322 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,323 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,323 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,323 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,324 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,325 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,326 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,327 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,328 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,332 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,332 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,333 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,333 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:21,336 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-07 01:22:21,339 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:22:21,340 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 [2021-12-07 01:22:21,340 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 01:22:21,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 165 places, 187 transitions, 404 flow [2021-12-07 01:22:21,405 INFO L129 PetriNetUnfolder]: 62/405 cut-off events. [2021-12-07 01:22:21,405 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-12-07 01:22:21,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 405 events. 62/405 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1321 event pairs, 1 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 280. Up to 16 conditions per place. [2021-12-07 01:22:21,408 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 187 transitions, 404 flow [2021-12-07 01:22:21,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 187 transitions, 404 flow [2021-12-07 01:22:21,420 INFO L129 PetriNetUnfolder]: 9/111 cut-off events. [2021-12-07 01:22:21,420 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:22:21,420 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:21,420 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:21,420 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:21,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:21,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1057310035, now seen corresponding path program 1 times [2021-12-07 01:22:21,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:21,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769154943] [2021-12-07 01:22:21,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:21,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:21,446 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:21,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769154943] [2021-12-07 01:22:21,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769154943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:21,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:21,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:22:21,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243169998] [2021-12-07 01:22:21,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:21,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:22:21,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:21,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:22:21,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:22:21,449 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 187 [2021-12-07 01:22:21,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 187 transitions, 404 flow. Second operand has 2 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:21,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 187 [2021-12-07 01:22:21,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:21,499 INFO L129 PetriNetUnfolder]: 20/359 cut-off events. [2021-12-07 01:22:21,500 INFO L130 PetriNetUnfolder]: For 50/58 co-relation queries the response was YES. [2021-12-07 01:22:21,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 359 events. 20/359 cut-off events. For 50/58 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1199 event pairs, 1 based on Foata normal form. 106/437 useless extension candidates. Maximal degree in co-relation 255. Up to 16 conditions per place. [2021-12-07 01:22:21,502 INFO L132 encePairwiseOnDemand]: 164/187 looper letters, 3 selfloop transitions, 0 changer transitions 26/163 dead transitions. [2021-12-07 01:22:21,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 368 flow [2021-12-07 01:22:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:22:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-07 01:22:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 343 transitions. [2021-12-07 01:22:21,503 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9171122994652406 [2021-12-07 01:22:21,503 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 343 transitions. [2021-12-07 01:22:21,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 343 transitions. [2021-12-07 01:22:21,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:21,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 343 transitions. [2021-12-07 01:22:21,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 171.5) internal successors, (343), 2 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,506 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,506 INFO L186 Difference]: Start difference. First operand has 165 places, 187 transitions, 404 flow. Second operand 2 states and 343 transitions. [2021-12-07 01:22:21,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 368 flow [2021-12-07 01:22:21,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 368 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:21,510 INFO L242 Difference]: Finished difference. Result has 165 places, 137 transitions, 295 flow [2021-12-07 01:22:21,510 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=295, PETRI_PLACES=165, PETRI_TRANSITIONS=137} [2021-12-07 01:22:21,511 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, 0 predicate places. [2021-12-07 01:22:21,511 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 137 transitions, 295 flow [2021-12-07 01:22:21,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 157.5) internal successors, (315), 2 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,511 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:21,512 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:21,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:22:21,512 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:21,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:21,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1350713042, now seen corresponding path program 1 times [2021-12-07 01:22:21,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:21,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770173614] [2021-12-07 01:22:21,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:21,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:21,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:21,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770173614] [2021-12-07 01:22:21,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770173614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:21,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:21,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:22:21,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804211559] [2021-12-07 01:22:21,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:21,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:21,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:21,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:21,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:22:21,545 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 187 [2021-12-07 01:22:21,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 137 transitions, 295 flow. Second operand has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:21,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 187 [2021-12-07 01:22:21,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:21,586 INFO L129 PetriNetUnfolder]: 3/191 cut-off events. [2021-12-07 01:22:21,586 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-12-07 01:22:21,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 191 events. 3/191 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 401 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 225. Up to 18 conditions per place. [2021-12-07 01:22:21,588 INFO L132 encePairwiseOnDemand]: 184/187 looper letters, 12 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2021-12-07 01:22:21,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 141 transitions, 331 flow [2021-12-07 01:22:21,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:21,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2021-12-07 01:22:21,590 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8288770053475936 [2021-12-07 01:22:21,590 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 465 transitions. [2021-12-07 01:22:21,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 465 transitions. [2021-12-07 01:22:21,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:21,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 465 transitions. [2021-12-07 01:22:21,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,594 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,595 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,595 INFO L186 Difference]: Start difference. First operand has 165 places, 137 transitions, 295 flow. Second operand 3 states and 465 transitions. [2021-12-07 01:22:21,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 141 transitions, 331 flow [2021-12-07 01:22:21,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 141 transitions, 325 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:21,599 INFO L242 Difference]: Finished difference. Result has 147 places, 138 transitions, 301 flow [2021-12-07 01:22:21,600 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=289, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=301, PETRI_PLACES=147, PETRI_TRANSITIONS=138} [2021-12-07 01:22:21,601 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, -18 predicate places. [2021-12-07 01:22:21,601 INFO L470 AbstractCegarLoop]: Abstraction has has 147 places, 138 transitions, 301 flow [2021-12-07 01:22:21,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 151.0) internal successors, (453), 3 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,601 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:21,602 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] [2021-12-07 01:22:21,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:22:21,602 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:21,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:21,602 INFO L85 PathProgramCache]: Analyzing trace with hash 523178535, now seen corresponding path program 1 times [2021-12-07 01:22:21,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:21,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593780286] [2021-12-07 01:22:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:21,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:21,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:21,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593780286] [2021-12-07 01:22:21,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593780286] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:21,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765832027] [2021-12-07 01:22:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:21,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:21,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:21,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:21,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:22:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 01:22:21,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:22:21,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:22:21,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765832027] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:21,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:22:21,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-07 01:22:21,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270996829] [2021-12-07 01:22:21,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:21,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:21,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:21,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:21,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:22:21,776 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 187 [2021-12-07 01:22:21,776 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 138 transitions, 301 flow. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,777 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:21,777 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 187 [2021-12-07 01:22:21,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:21,810 INFO L129 PetriNetUnfolder]: 0/194 cut-off events. [2021-12-07 01:22:21,810 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-12-07 01:22:21,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 194 events. 0/194 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 435 event pairs, 0 based on Foata normal form. 3/194 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-12-07 01:22:21,811 INFO L132 encePairwiseOnDemand]: 185/187 looper letters, 7 selfloop transitions, 0 changer transitions 1/138 dead transitions. [2021-12-07 01:22:21,811 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 138 transitions, 317 flow [2021-12-07 01:22:21,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2021-12-07 01:22:21,812 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8128342245989305 [2021-12-07 01:22:21,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2021-12-07 01:22:21,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2021-12-07 01:22:21,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:21,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2021-12-07 01:22:21,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,816 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,816 INFO L186 Difference]: Start difference. First operand has 147 places, 138 transitions, 301 flow. Second operand 3 states and 456 transitions. [2021-12-07 01:22:21,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 138 transitions, 317 flow [2021-12-07 01:22:21,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 138 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:21,818 INFO L242 Difference]: Finished difference. Result has 149 places, 137 transitions, 299 flow [2021-12-07 01:22:21,819 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=299, PETRI_PLACES=149, PETRI_TRANSITIONS=137} [2021-12-07 01:22:21,819 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, -16 predicate places. [2021-12-07 01:22:21,819 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 137 transitions, 299 flow [2021-12-07 01:22:21,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:21,820 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:21,820 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] [2021-12-07 01:22:21,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:22:22,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-07 01:22:22,022 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:22,023 INFO L85 PathProgramCache]: Analyzing trace with hash -878662958, now seen corresponding path program 1 times [2021-12-07 01:22:22,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:22,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085311411] [2021-12-07 01:22:22,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:22,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:22,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:22,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085311411] [2021-12-07 01:22:22,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085311411] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:22,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118217396] [2021-12-07 01:22:22,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:22,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:22,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:22,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:22,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:22:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:22,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:22:22,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:22,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:22:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:22,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118217396] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:22:22,383 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:22:22,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-07 01:22:22,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079652040] [2021-12-07 01:22:22,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:22:22,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:22:22,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:22,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:22:22,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:22:22,386 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 187 [2021-12-07 01:22:22,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 137 transitions, 299 flow. Second operand has 10 states, 10 states have (on average 151.3) internal successors, (1513), 10 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:22,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:22,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 187 [2021-12-07 01:22:22,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:22,456 INFO L129 PetriNetUnfolder]: 0/158 cut-off events. [2021-12-07 01:22:22,456 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-07 01:22:22,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 158 events. 0/158 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 211 event pairs, 0 based on Foata normal form. 2/160 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-12-07 01:22:22,457 INFO L132 encePairwiseOnDemand]: 181/187 looper letters, 13 selfloop transitions, 9 changer transitions 0/147 dead transitions. [2021-12-07 01:22:22,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 147 transitions, 365 flow [2021-12-07 01:22:22,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:22:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 01:22:22,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1365 transitions. [2021-12-07 01:22:22,461 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8110516934046346 [2021-12-07 01:22:22,462 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1365 transitions. [2021-12-07 01:22:22,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1365 transitions. [2021-12-07 01:22:22,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:22,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1365 transitions. [2021-12-07 01:22:22,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.66666666666666) internal successors, (1365), 9 states have internal predecessors, (1365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:22,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 187.0) internal successors, (1870), 10 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:22,472 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 187.0) internal successors, (1870), 10 states have internal predecessors, (1870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:22,472 INFO L186 Difference]: Start difference. First operand has 149 places, 137 transitions, 299 flow. Second operand 9 states and 1365 transitions. [2021-12-07 01:22:22,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 147 transitions, 365 flow [2021-12-07 01:22:22,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 147 transitions, 363 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:22,477 INFO L242 Difference]: Finished difference. Result has 158 places, 143 transitions, 347 flow [2021-12-07 01:22:22,477 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=347, PETRI_PLACES=158, PETRI_TRANSITIONS=143} [2021-12-07 01:22:22,478 INFO L334 CegarLoopForPetriNet]: 165 programPoint places, -7 predicate places. [2021-12-07 01:22:22,478 INFO L470 AbstractCegarLoop]: Abstraction has has 158 places, 143 transitions, 347 flow [2021-12-07 01:22:22,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 151.3) internal successors, (1513), 10 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:22,479 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:22,479 INFO L254 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 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] [2021-12-07 01:22:22,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 01:22:22,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:22,680 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:22,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:22,680 INFO L85 PathProgramCache]: Analyzing trace with hash -734741859, now seen corresponding path program 1 times [2021-12-07 01:22:22,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:22,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570309264] [2021-12-07 01:22:22,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:22,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:22,706 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:22:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:22,733 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:22:22,733 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 01:22:22,733 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-07 01:22:22,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-07 01:22:22,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 01:22:22,734 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-07 01:22:22,734 WARN L234 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-07 01:22:22,734 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-12-07 01:22:22,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,744 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,745 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,754 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,754 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,754 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,754 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,755 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,756 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,757 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,758 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,760 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,761 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,763 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,764 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,765 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,765 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,766 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,767 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,768 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,768 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:22,770 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-12-07 01:22:22,772 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:22:22,772 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 [2021-12-07 01:22:22,773 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 01:22:22,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 190 places, 217 transitions, 478 flow [2021-12-07 01:22:22,862 INFO L129 PetriNetUnfolder]: 96/606 cut-off events. [2021-12-07 01:22:22,862 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-12-07 01:22:22,870 INFO L84 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 606 events. 96/606 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2257 event pairs, 6 based on Foata normal form. 0/505 useless extension candidates. Maximal degree in co-relation 425. Up to 32 conditions per place. [2021-12-07 01:22:22,870 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 217 transitions, 478 flow [2021-12-07 01:22:22,877 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 217 transitions, 478 flow [2021-12-07 01:22:22,886 INFO L129 PetriNetUnfolder]: 9/114 cut-off events. [2021-12-07 01:22:22,886 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:22:22,886 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:22,886 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:22,886 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:22,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:22,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2055527642, now seen corresponding path program 1 times [2021-12-07 01:22:22,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:22,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930160843] [2021-12-07 01:22:22,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:22,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:22,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:22,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930160843] [2021-12-07 01:22:22,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930160843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:22,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:22,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:22:22,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730463322] [2021-12-07 01:22:22,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:22,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:22:22,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:22,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:22:22,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:22:22,909 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 217 [2021-12-07 01:22:22,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 217 transitions, 478 flow. Second operand has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:22,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:22,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 217 [2021-12-07 01:22:22,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:23,001 INFO L129 PetriNetUnfolder]: 36/541 cut-off events. [2021-12-07 01:22:23,001 INFO L130 PetriNetUnfolder]: For 129/151 co-relation queries the response was YES. [2021-12-07 01:22:23,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 541 events. 36/541 cut-off events. For 129/151 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2142 event pairs, 6 based on Foata normal form. 252/752 useless extension candidates. Maximal degree in co-relation 394. Up to 37 conditions per place. [2021-12-07 01:22:23,005 INFO L132 encePairwiseOnDemand]: 188/217 looper letters, 4 selfloop transitions, 0 changer transitions 27/187 dead transitions. [2021-12-07 01:22:23,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 187 transitions, 434 flow [2021-12-07 01:22:23,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:22:23,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-07 01:22:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 395 transitions. [2021-12-07 01:22:23,006 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9101382488479263 [2021-12-07 01:22:23,006 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 395 transitions. [2021-12-07 01:22:23,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 395 transitions. [2021-12-07 01:22:23,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:23,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 395 transitions. [2021-12-07 01:22:23,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 197.5) internal successors, (395), 2 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,008 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,009 INFO L186 Difference]: Start difference. First operand has 190 places, 217 transitions, 478 flow. Second operand 2 states and 395 transitions. [2021-12-07 01:22:23,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 187 transitions, 434 flow [2021-12-07 01:22:23,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 434 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:23,012 INFO L242 Difference]: Finished difference. Result has 190 places, 160 transitions, 352 flow [2021-12-07 01:22:23,012 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=352, PETRI_PLACES=190, PETRI_TRANSITIONS=160} [2021-12-07 01:22:23,013 INFO L334 CegarLoopForPetriNet]: 190 programPoint places, 0 predicate places. [2021-12-07 01:22:23,013 INFO L470 AbstractCegarLoop]: Abstraction has has 190 places, 160 transitions, 352 flow [2021-12-07 01:22:23,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,013 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:23,013 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:23,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 01:22:23,013 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:23,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:23,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1946036647, now seen corresponding path program 1 times [2021-12-07 01:22:23,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:23,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97372056] [2021-12-07 01:22:23,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:23,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:23,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:23,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97372056] [2021-12-07 01:22:23,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97372056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:23,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:23,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:22:23,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043100012] [2021-12-07 01:22:23,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:23,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:23,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:23,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:23,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:22:23,032 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 217 [2021-12-07 01:22:23,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 160 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:23,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 217 [2021-12-07 01:22:23,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:23,071 INFO L129 PetriNetUnfolder]: 4/239 cut-off events. [2021-12-07 01:22:23,071 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-12-07 01:22:23,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 239 events. 4/239 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 572 event pairs, 0 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 285. Up to 24 conditions per place. [2021-12-07 01:22:23,074 INFO L132 encePairwiseOnDemand]: 214/217 looper letters, 13 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2021-12-07 01:22:23,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 164 transitions, 390 flow [2021-12-07 01:22:23,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2021-12-07 01:22:23,076 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8172043010752689 [2021-12-07 01:22:23,076 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 532 transitions. [2021-12-07 01:22:23,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 532 transitions. [2021-12-07 01:22:23,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:23,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 532 transitions. [2021-12-07 01:22:23,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,081 INFO L186 Difference]: Start difference. First operand has 190 places, 160 transitions, 352 flow. Second operand 3 states and 532 transitions. [2021-12-07 01:22:23,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 164 transitions, 390 flow [2021-12-07 01:22:23,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 164 transitions, 378 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:23,085 INFO L242 Difference]: Finished difference. Result has 172 places, 161 transitions, 352 flow [2021-12-07 01:22:23,086 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=172, PETRI_TRANSITIONS=161} [2021-12-07 01:22:23,086 INFO L334 CegarLoopForPetriNet]: 190 programPoint places, -18 predicate places. [2021-12-07 01:22:23,086 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 161 transitions, 352 flow [2021-12-07 01:22:23,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,087 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:23,087 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] [2021-12-07 01:22:23,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 01:22:23,087 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:23,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:23,088 INFO L85 PathProgramCache]: Analyzing trace with hash 787898396, now seen corresponding path program 1 times [2021-12-07 01:22:23,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:23,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152302668] [2021-12-07 01:22:23,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:23,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:23,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:23,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:23,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152302668] [2021-12-07 01:22:23,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152302668] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:23,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008572346] [2021-12-07 01:22:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:23,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:23,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:23,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:23,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-07 01:22:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:23,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 01:22:23,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:22:23,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:22:23,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008572346] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:23,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:22:23,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-07 01:22:23,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529462352] [2021-12-07 01:22:23,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:23,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:23,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:23,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:23,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:22:23,234 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 217 [2021-12-07 01:22:23,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 161 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:23,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 217 [2021-12-07 01:22:23,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:23,282 INFO L129 PetriNetUnfolder]: 0/243 cut-off events. [2021-12-07 01:22:23,282 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-12-07 01:22:23,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 243 events. 0/243 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 621 event pairs, 0 based on Foata normal form. 4/243 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-12-07 01:22:23,283 INFO L132 encePairwiseOnDemand]: 215/217 looper letters, 8 selfloop transitions, 0 changer transitions 1/161 dead transitions. [2021-12-07 01:22:23,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 161 transitions, 370 flow [2021-12-07 01:22:23,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 523 transitions. [2021-12-07 01:22:23,285 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8033794162826421 [2021-12-07 01:22:23,285 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 523 transitions. [2021-12-07 01:22:23,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 523 transitions. [2021-12-07 01:22:23,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:23,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 523 transitions. [2021-12-07 01:22:23,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,290 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,290 INFO L186 Difference]: Start difference. First operand has 172 places, 161 transitions, 352 flow. Second operand 3 states and 523 transitions. [2021-12-07 01:22:23,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 161 transitions, 370 flow [2021-12-07 01:22:23,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 161 transitions, 368 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:23,294 INFO L242 Difference]: Finished difference. Result has 174 places, 160 transitions, 350 flow [2021-12-07 01:22:23,295 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=174, PETRI_TRANSITIONS=160} [2021-12-07 01:22:23,295 INFO L334 CegarLoopForPetriNet]: 190 programPoint places, -16 predicate places. [2021-12-07 01:22:23,295 INFO L470 AbstractCegarLoop]: Abstraction has has 174 places, 160 transitions, 350 flow [2021-12-07 01:22:23,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,296 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:23,296 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] [2021-12-07 01:22:23,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-07 01:22:23,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:23,497 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:23,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:23,497 INFO L85 PathProgramCache]: Analyzing trace with hash 114059943, now seen corresponding path program 1 times [2021-12-07 01:22:23,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:23,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727575348] [2021-12-07 01:22:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:23,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:23,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:23,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:23,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727575348] [2021-12-07 01:22:23,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727575348] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:23,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133390492] [2021-12-07 01:22:23,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:23,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:23,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:23,534 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:23,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-07 01:22:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:23,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:22:23,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:23,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:22:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:23,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133390492] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:22:23,694 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:22:23,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-07 01:22:23,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411119223] [2021-12-07 01:22:23,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:22:23,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:22:23,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:23,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:22:23,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:22:23,697 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 217 [2021-12-07 01:22:23,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 160 transitions, 350 flow. Second operand has 10 states, 10 states have (on average 173.3) internal successors, (1733), 10 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:23,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 217 [2021-12-07 01:22:23,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:23,776 INFO L129 PetriNetUnfolder]: 0/205 cut-off events. [2021-12-07 01:22:23,776 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-12-07 01:22:23,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 205 events. 0/205 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 378 event pairs, 0 based on Foata normal form. 2/207 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place. [2021-12-07 01:22:23,777 INFO L132 encePairwiseOnDemand]: 211/217 looper letters, 14 selfloop transitions, 9 changer transitions 0/170 dead transitions. [2021-12-07 01:22:23,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 170 transitions, 418 flow [2021-12-07 01:22:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:22:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 01:22:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1564 transitions. [2021-12-07 01:22:23,782 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8008192524321557 [2021-12-07 01:22:23,783 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1564 transitions. [2021-12-07 01:22:23,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1564 transitions. [2021-12-07 01:22:23,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:23,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1564 transitions. [2021-12-07 01:22:23,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 173.77777777777777) internal successors, (1564), 9 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 217.0) internal successors, (2170), 10 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,794 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 217.0) internal successors, (2170), 10 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,795 INFO L186 Difference]: Start difference. First operand has 174 places, 160 transitions, 350 flow. Second operand 9 states and 1564 transitions. [2021-12-07 01:22:23,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 170 transitions, 418 flow [2021-12-07 01:22:23,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 170 transitions, 416 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:23,799 INFO L242 Difference]: Finished difference. Result has 183 places, 166 transitions, 398 flow [2021-12-07 01:22:23,800 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=398, PETRI_PLACES=183, PETRI_TRANSITIONS=166} [2021-12-07 01:22:23,800 INFO L334 CegarLoopForPetriNet]: 190 programPoint places, -7 predicate places. [2021-12-07 01:22:23,800 INFO L470 AbstractCegarLoop]: Abstraction has has 183 places, 166 transitions, 398 flow [2021-12-07 01:22:23,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 173.3) internal successors, (1733), 10 states have internal predecessors, (1733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:23,801 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:23,802 INFO L254 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:23,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-07 01:22:24,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-07 01:22:24,003 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:24,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:24,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1833944158, now seen corresponding path program 1 times [2021-12-07 01:22:24,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:24,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120797183] [2021-12-07 01:22:24,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:24,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:24,027 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:22:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:24,060 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:22:24,061 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 01:22:24,061 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-07 01:22:24,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-07 01:22:24,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 01:22:24,062 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-07 01:22:24,062 WARN L234 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-07 01:22:24,062 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-12-07 01:22:24,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,072 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,072 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,073 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,074 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,075 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,076 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,077 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,077 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,077 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,078 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,078 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,079 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,080 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,081 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,082 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,082 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,083 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,084 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,085 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,086 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,087 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,088 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,089 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,090 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,091 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,091 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,091 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,092 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,093 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,094 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,095 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,096 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,096 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,096 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,097 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,097 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,097 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,098 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,098 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,099 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,099 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,101 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:24,102 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-12-07 01:22:24,103 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:22:24,104 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 [2021-12-07 01:22:24,104 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 01:22:24,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 215 places, 247 transitions, 554 flow [2021-12-07 01:22:24,223 INFO L129 PetriNetUnfolder]: 158/947 cut-off events. [2021-12-07 01:22:24,223 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-12-07 01:22:24,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 947 events. 158/947 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4161 event pairs, 23 based on Foata normal form. 0/799 useless extension candidates. Maximal degree in co-relation 651. Up to 80 conditions per place. [2021-12-07 01:22:24,233 INFO L82 GeneralOperation]: Start removeDead. Operand has 215 places, 247 transitions, 554 flow [2021-12-07 01:22:24,244 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 215 places, 247 transitions, 554 flow [2021-12-07 01:22:24,249 INFO L129 PetriNetUnfolder]: 9/108 cut-off events. [2021-12-07 01:22:24,249 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:22:24,249 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:24,249 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:24,249 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:24,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:24,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1261559421, now seen corresponding path program 1 times [2021-12-07 01:22:24,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:24,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402401330] [2021-12-07 01:22:24,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:24,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:24,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:24,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402401330] [2021-12-07 01:22:24,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402401330] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:24,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:24,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:22:24,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866861648] [2021-12-07 01:22:24,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:24,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:22:24,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:24,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:22:24,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:22:24,263 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 247 [2021-12-07 01:22:24,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 247 transitions, 554 flow. Second operand has 2 states, 2 states have (on average 201.5) internal successors, (403), 2 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:24,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 247 [2021-12-07 01:22:24,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:24,399 INFO L129 PetriNetUnfolder]: 72/855 cut-off events. [2021-12-07 01:22:24,399 INFO L130 PetriNetUnfolder]: For 287/303 co-relation queries the response was YES. [2021-12-07 01:22:24,404 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 855 events. 72/855 cut-off events. For 287/303 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4084 event pairs, 23 based on Foata normal form. 580/1373 useless extension candidates. Maximal degree in co-relation 622. Up to 86 conditions per place. [2021-12-07 01:22:24,405 INFO L132 encePairwiseOnDemand]: 212/247 looper letters, 5 selfloop transitions, 0 changer transitions 28/211 dead transitions. [2021-12-07 01:22:24,405 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 211 transitions, 502 flow [2021-12-07 01:22:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:22:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-07 01:22:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 447 transitions. [2021-12-07 01:22:24,407 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9048582995951417 [2021-12-07 01:22:24,407 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 447 transitions. [2021-12-07 01:22:24,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 447 transitions. [2021-12-07 01:22:24,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:24,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 447 transitions. [2021-12-07 01:22:24,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,409 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 247.0) internal successors, (741), 3 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,409 INFO L186 Difference]: Start difference. First operand has 215 places, 247 transitions, 554 flow. Second operand 2 states and 447 transitions. [2021-12-07 01:22:24,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 211 transitions, 502 flow [2021-12-07 01:22:24,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 211 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:24,412 INFO L242 Difference]: Finished difference. Result has 215 places, 183 transitions, 411 flow [2021-12-07 01:22:24,413 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=411, PETRI_PLACES=215, PETRI_TRANSITIONS=183} [2021-12-07 01:22:24,413 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, 0 predicate places. [2021-12-07 01:22:24,413 INFO L470 AbstractCegarLoop]: Abstraction has has 215 places, 183 transitions, 411 flow [2021-12-07 01:22:24,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 201.5) internal successors, (403), 2 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,414 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:24,414 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:24,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 01:22:24,414 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:24,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:24,414 INFO L85 PathProgramCache]: Analyzing trace with hash 968156414, now seen corresponding path program 1 times [2021-12-07 01:22:24,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:24,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336685722] [2021-12-07 01:22:24,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:24,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:24,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:24,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336685722] [2021-12-07 01:22:24,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336685722] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:24,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:24,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:22:24,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193544540] [2021-12-07 01:22:24,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:24,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:24,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:24,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:24,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:22:24,432 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 247 [2021-12-07 01:22:24,433 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 183 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,433 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:24,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 247 [2021-12-07 01:22:24,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:24,477 INFO L129 PetriNetUnfolder]: 5/287 cut-off events. [2021-12-07 01:22:24,477 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-12-07 01:22:24,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 287 events. 5/287 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 745 event pairs, 0 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 346. Up to 30 conditions per place. [2021-12-07 01:22:24,485 INFO L132 encePairwiseOnDemand]: 244/247 looper letters, 14 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2021-12-07 01:22:24,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 187 transitions, 451 flow [2021-12-07 01:22:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:24,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-12-07 01:22:24,487 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8083670715249662 [2021-12-07 01:22:24,487 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2021-12-07 01:22:24,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2021-12-07 01:22:24,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:24,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2021-12-07 01:22:24,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,490 INFO L186 Difference]: Start difference. First operand has 215 places, 183 transitions, 411 flow. Second operand 3 states and 599 transitions. [2021-12-07 01:22:24,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 187 transitions, 451 flow [2021-12-07 01:22:24,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 187 transitions, 431 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:24,493 INFO L242 Difference]: Finished difference. Result has 197 places, 184 transitions, 403 flow [2021-12-07 01:22:24,493 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=197, PETRI_TRANSITIONS=184} [2021-12-07 01:22:24,494 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -18 predicate places. [2021-12-07 01:22:24,494 INFO L470 AbstractCegarLoop]: Abstraction has has 197 places, 184 transitions, 403 flow [2021-12-07 01:22:24,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,494 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:24,494 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] [2021-12-07 01:22:24,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 01:22:24,494 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:24,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:24,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1460849105, now seen corresponding path program 1 times [2021-12-07 01:22:24,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:24,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53607848] [2021-12-07 01:22:24,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:24,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:24,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:24,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53607848] [2021-12-07 01:22:24,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53607848] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:24,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382481299] [2021-12-07 01:22:24,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:24,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:24,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:24,522 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:24,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-07 01:22:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:24,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 01:22:24,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:22:24,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:22:24,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382481299] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:24,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:22:24,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-07 01:22:24,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083170264] [2021-12-07 01:22:24,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:24,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:24,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:24,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:24,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:22:24,627 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2021-12-07 01:22:24,627 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 184 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:24,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2021-12-07 01:22:24,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:24,667 INFO L129 PetriNetUnfolder]: 0/292 cut-off events. [2021-12-07 01:22:24,667 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-12-07 01:22:24,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 292 events. 0/292 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 807 event pairs, 0 based on Foata normal form. 5/292 useless extension candidates. Maximal degree in co-relation 0. Up to 18 conditions per place. [2021-12-07 01:22:24,668 INFO L132 encePairwiseOnDemand]: 245/247 looper letters, 9 selfloop transitions, 0 changer transitions 1/184 dead transitions. [2021-12-07 01:22:24,668 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 184 transitions, 423 flow [2021-12-07 01:22:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:24,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:24,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2021-12-07 01:22:24,670 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.796221322537112 [2021-12-07 01:22:24,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 590 transitions. [2021-12-07 01:22:24,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 590 transitions. [2021-12-07 01:22:24,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:24,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 590 transitions. [2021-12-07 01:22:24,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.66666666666666) internal successors, (590), 3 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,673 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,673 INFO L186 Difference]: Start difference. First operand has 197 places, 184 transitions, 403 flow. Second operand 3 states and 590 transitions. [2021-12-07 01:22:24,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 184 transitions, 423 flow [2021-12-07 01:22:24,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 184 transitions, 421 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:24,676 INFO L242 Difference]: Finished difference. Result has 199 places, 183 transitions, 401 flow [2021-12-07 01:22:24,676 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=199, PETRI_TRANSITIONS=183} [2021-12-07 01:22:24,677 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -16 predicate places. [2021-12-07 01:22:24,677 INFO L470 AbstractCegarLoop]: Abstraction has has 199 places, 183 transitions, 401 flow [2021-12-07 01:22:24,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:24,677 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:24,677 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] [2021-12-07 01:22:24,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-07 01:22:24,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:24,878 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:24,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:24,878 INFO L85 PathProgramCache]: Analyzing trace with hash -563730726, now seen corresponding path program 1 times [2021-12-07 01:22:24,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:24,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900940333] [2021-12-07 01:22:24,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:24,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:24,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:24,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:24,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900940333] [2021-12-07 01:22:24,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900940333] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:24,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507115306] [2021-12-07 01:22:24,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:24,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:24,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:24,906 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:24,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-07 01:22:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:24,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:22:24,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:25,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:22:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:25,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507115306] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:22:25,089 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:22:25,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-07 01:22:25,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263402926] [2021-12-07 01:22:25,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:22:25,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:22:25,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:25,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:22:25,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:22:25,092 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2021-12-07 01:22:25,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 183 transitions, 401 flow. Second operand has 10 states, 10 states have (on average 195.3) internal successors, (1953), 10 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:25,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:25,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2021-12-07 01:22:25,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:25,197 INFO L129 PetriNetUnfolder]: 0/252 cut-off events. [2021-12-07 01:22:25,197 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-12-07 01:22:25,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 252 events. 0/252 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 547 event pairs, 0 based on Foata normal form. 2/254 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2021-12-07 01:22:25,198 INFO L132 encePairwiseOnDemand]: 241/247 looper letters, 15 selfloop transitions, 9 changer transitions 0/193 dead transitions. [2021-12-07 01:22:25,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 193 transitions, 471 flow [2021-12-07 01:22:25,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:22:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 01:22:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1763 transitions. [2021-12-07 01:22:25,204 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7930724246513721 [2021-12-07 01:22:25,204 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1763 transitions. [2021-12-07 01:22:25,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1763 transitions. [2021-12-07 01:22:25,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:25,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1763 transitions. [2021-12-07 01:22:25,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 195.88888888888889) internal successors, (1763), 9 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:25,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 247.0) internal successors, (2470), 10 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:25,213 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 247.0) internal successors, (2470), 10 states have internal predecessors, (2470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:25,213 INFO L186 Difference]: Start difference. First operand has 199 places, 183 transitions, 401 flow. Second operand 9 states and 1763 transitions. [2021-12-07 01:22:25,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 193 transitions, 471 flow [2021-12-07 01:22:25,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 193 transitions, 469 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:25,216 INFO L242 Difference]: Finished difference. Result has 208 places, 189 transitions, 449 flow [2021-12-07 01:22:25,217 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=449, PETRI_PLACES=208, PETRI_TRANSITIONS=189} [2021-12-07 01:22:25,217 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -7 predicate places. [2021-12-07 01:22:25,217 INFO L470 AbstractCegarLoop]: Abstraction has has 208 places, 189 transitions, 449 flow [2021-12-07 01:22:25,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 195.3) internal successors, (1953), 10 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:25,218 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:25,218 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:25,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-07 01:22:25,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:25,419 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:25,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:25,419 INFO L85 PathProgramCache]: Analyzing trace with hash 504352831, now seen corresponding path program 1 times [2021-12-07 01:22:25,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:25,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060772133] [2021-12-07 01:22:25,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:25,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-07 01:22:25,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:25,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060772133] [2021-12-07 01:22:25,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060772133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:25,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:25,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:22:25,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930139239] [2021-12-07 01:22:25,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:25,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:22:25,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:25,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:22:25,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:22:25,476 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 247 [2021-12-07 01:22:25,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 189 transitions, 449 flow. Second operand has 5 states, 5 states have (on average 176.6) internal successors, (883), 5 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:25,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:25,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 247 [2021-12-07 01:22:25,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:53,800 INFO L129 PetriNetUnfolder]: 110509/240141 cut-off events. [2021-12-07 01:22:53,800 INFO L130 PetriNetUnfolder]: For 2554/2554 co-relation queries the response was YES. [2021-12-07 01:22:55,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384400 conditions, 240141 events. 110509/240141 cut-off events. For 2554/2554 co-relation queries the response was YES. Maximal size of possible extension queue 8656. Compared 3225529 event pairs, 76730 based on Foata normal form. 3875/241136 useless extension candidates. Maximal degree in co-relation 384387. Up to 88950 conditions per place. [2021-12-07 01:22:56,758 INFO L132 encePairwiseOnDemand]: 238/247 looper letters, 38 selfloop transitions, 6 changer transitions 65/268 dead transitions. [2021-12-07 01:22:56,758 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 268 transitions, 845 flow [2021-12-07 01:22:56,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:22:56,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-07 01:22:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1336 transitions. [2021-12-07 01:22:56,762 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.772700983227299 [2021-12-07 01:22:56,762 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1336 transitions. [2021-12-07 01:22:56,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1336 transitions. [2021-12-07 01:22:56,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:56,763 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1336 transitions. [2021-12-07 01:22:56,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 190.85714285714286) internal successors, (1336), 7 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:56,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 247.0) internal successors, (1976), 8 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:56,770 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 247.0) internal successors, (1976), 8 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:56,770 INFO L186 Difference]: Start difference. First operand has 208 places, 189 transitions, 449 flow. Second operand 7 states and 1336 transitions. [2021-12-07 01:22:56,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 268 transitions, 845 flow [2021-12-07 01:22:56,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 268 transitions, 839 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:56,779 INFO L242 Difference]: Finished difference. Result has 218 places, 194 transitions, 511 flow [2021-12-07 01:22:56,779 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=443, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=511, PETRI_PLACES=218, PETRI_TRANSITIONS=194} [2021-12-07 01:22:56,780 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, 3 predicate places. [2021-12-07 01:22:56,780 INFO L470 AbstractCegarLoop]: Abstraction has has 218 places, 194 transitions, 511 flow [2021-12-07 01:22:56,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 176.6) internal successors, (883), 5 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:56,780 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:56,781 INFO L254 CegarLoopForPetriNet]: trace histogram [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] [2021-12-07 01:22:56,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 01:22:56,781 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:56,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:56,781 INFO L85 PathProgramCache]: Analyzing trace with hash -2134970967, now seen corresponding path program 1 times [2021-12-07 01:22:56,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:56,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482666972] [2021-12-07 01:22:56,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:56,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:56,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:56,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482666972] [2021-12-07 01:22:56,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482666972] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:56,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359204601] [2021-12-07 01:22:56,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:56,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:56,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:56,835 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:56,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-07 01:22:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:56,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:22:56,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:57,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:22:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:57,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359204601] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:22:57,128 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:22:57,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-07 01:22:57,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789255879] [2021-12-07 01:22:57,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:22:57,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-07 01:22:57,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:57,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-07 01:22:57,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-12-07 01:22:57,131 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 247 [2021-12-07 01:22:57,133 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 194 transitions, 511 flow. Second operand has 18 states, 18 states have (on average 195.61111111111111) internal successors, (3521), 18 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:57,133 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:57,133 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 247 [2021-12-07 01:22:57,134 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:57,323 INFO L129 PetriNetUnfolder]: 49/646 cut-off events. [2021-12-07 01:22:57,323 INFO L130 PetriNetUnfolder]: For 115/311 co-relation queries the response was YES. [2021-12-07 01:22:57,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 646 events. 49/646 cut-off events. For 115/311 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3334 event pairs, 23 based on Foata normal form. 3/632 useless extension candidates. Maximal degree in co-relation 962. Up to 81 conditions per place. [2021-12-07 01:22:57,331 INFO L132 encePairwiseOnDemand]: 242/247 looper letters, 18 selfloop transitions, 16 changer transitions 0/194 dead transitions. [2021-12-07 01:22:57,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 194 transitions, 591 flow [2021-12-07 01:22:57,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-07 01:22:57,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-12-07 01:22:57,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3511 transitions. [2021-12-07 01:22:57,338 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7896986054880791 [2021-12-07 01:22:57,338 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3511 transitions. [2021-12-07 01:22:57,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3511 transitions. [2021-12-07 01:22:57,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:57,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3511 transitions. [2021-12-07 01:22:57,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 195.05555555555554) internal successors, (3511), 18 states have internal predecessors, (3511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:57,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:57,351 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 247.0) internal successors, (4693), 19 states have internal predecessors, (4693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:57,351 INFO L186 Difference]: Start difference. First operand has 218 places, 194 transitions, 511 flow. Second operand 18 states and 3511 transitions. [2021-12-07 01:22:57,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 194 transitions, 591 flow [2021-12-07 01:22:57,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 194 transitions, 554 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-12-07 01:22:57,355 INFO L242 Difference]: Finished difference. Result has 210 places, 185 transitions, 490 flow [2021-12-07 01:22:57,355 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=490, PETRI_PLACES=210, PETRI_TRANSITIONS=185} [2021-12-07 01:22:57,355 INFO L334 CegarLoopForPetriNet]: 215 programPoint places, -5 predicate places. [2021-12-07 01:22:57,355 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 185 transitions, 490 flow [2021-12-07 01:22:57,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 195.61111111111111) internal successors, (3521), 18 states have internal predecessors, (3521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:57,356 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:57,356 INFO L254 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:57,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-07 01:22:57,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-12-07 01:22:57,558 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:57,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:57,558 INFO L85 PathProgramCache]: Analyzing trace with hash 240254198, now seen corresponding path program 1 times [2021-12-07 01:22:57,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:57,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403108969] [2021-12-07 01:22:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:57,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:57,599 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:22:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:22:57,660 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:22:57,660 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 01:22:57,661 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-12-07 01:22:57,661 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-12-07 01:22:57,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 01:22:57,662 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:57,663 WARN L234 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-12-07 01:22:57,663 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-12-07 01:22:57,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,680 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,680 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,682 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,683 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,684 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,685 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,686 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,687 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,688 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,689 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,690 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,691 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,692 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,693 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,694 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,695 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,696 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,697 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,698 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,699 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,700 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,701 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,702 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,703 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,704 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,704 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,705 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,706 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,707 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,708 WARN L322 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,708 WARN L322 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 01:22:57,709 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-12-07 01:22:57,710 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:22:57,710 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 [2021-12-07 01:22:57,710 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-07 01:22:57,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 240 places, 277 transitions, 632 flow [2021-12-07 01:22:57,897 INFO L129 PetriNetUnfolder]: 284/1576 cut-off events. [2021-12-07 01:22:57,897 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-12-07 01:22:57,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1808 conditions, 1576 events. 284/1576 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8649 event pairs, 72 based on Foata normal form. 0/1349 useless extension candidates. Maximal degree in co-relation 1046. Up to 192 conditions per place. [2021-12-07 01:22:57,917 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 277 transitions, 632 flow [2021-12-07 01:22:57,930 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 240 places, 277 transitions, 632 flow [2021-12-07 01:22:57,934 INFO L129 PetriNetUnfolder]: 9/108 cut-off events. [2021-12-07 01:22:57,934 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-07 01:22:57,934 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:57,934 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:57,935 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:57,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:57,935 INFO L85 PathProgramCache]: Analyzing trace with hash 304016562, now seen corresponding path program 1 times [2021-12-07 01:22:57,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:57,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29524112] [2021-12-07 01:22:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:57,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:57,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:57,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29524112] [2021-12-07 01:22:57,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29524112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:57,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:57,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:22:57,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584861272] [2021-12-07 01:22:57,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:57,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:22:57,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:57,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:22:57,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:22:57,948 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 277 [2021-12-07 01:22:57,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 277 transitions, 632 flow. Second operand has 2 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:57,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:57,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 277 [2021-12-07 01:22:57,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:58,159 INFO L129 PetriNetUnfolder]: 156/1441 cut-off events. [2021-12-07 01:22:58,159 INFO L130 PetriNetUnfolder]: For 648/668 co-relation queries the response was YES. [2021-12-07 01:22:58,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1872 conditions, 1441 events. 156/1441 cut-off events. For 648/668 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8460 event pairs, 72 based on Foata normal form. 1314/2656 useless extension candidates. Maximal degree in co-relation 1039. Up to 199 conditions per place. [2021-12-07 01:22:58,170 INFO L132 encePairwiseOnDemand]: 236/277 looper letters, 6 selfloop transitions, 0 changer transitions 29/235 dead transitions. [2021-12-07 01:22:58,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 235 transitions, 572 flow [2021-12-07 01:22:58,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:22:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-12-07 01:22:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 499 transitions. [2021-12-07 01:22:58,172 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9007220216606499 [2021-12-07 01:22:58,172 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 499 transitions. [2021-12-07 01:22:58,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 499 transitions. [2021-12-07 01:22:58,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:58,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 499 transitions. [2021-12-07 01:22:58,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 249.5) internal successors, (499), 2 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,174 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,174 INFO L186 Difference]: Start difference. First operand has 240 places, 277 transitions, 632 flow. Second operand 2 states and 499 transitions. [2021-12-07 01:22:58,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 235 transitions, 572 flow [2021-12-07 01:22:58,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 235 transitions, 572 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:58,178 INFO L242 Difference]: Finished difference. Result has 240 places, 206 transitions, 472 flow [2021-12-07 01:22:58,178 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=472, PETRI_PLACES=240, PETRI_TRANSITIONS=206} [2021-12-07 01:22:58,179 INFO L334 CegarLoopForPetriNet]: 240 programPoint places, 0 predicate places. [2021-12-07 01:22:58,179 INFO L470 AbstractCegarLoop]: Abstraction has has 240 places, 206 transitions, 472 flow [2021-12-07 01:22:58,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 223.5) internal successors, (447), 2 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,179 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:58,179 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:58,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 01:22:58,179 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash 10613555, now seen corresponding path program 1 times [2021-12-07 01:22:58,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:58,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679190097] [2021-12-07 01:22:58,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:58,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:58,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:58,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679190097] [2021-12-07 01:22:58,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679190097] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:58,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:58,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:22:58,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701251661] [2021-12-07 01:22:58,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:58,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:58,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:58,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:58,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:22:58,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 277 [2021-12-07 01:22:58,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 206 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:58,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 277 [2021-12-07 01:22:58,200 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:58,255 INFO L129 PetriNetUnfolder]: 6/335 cut-off events. [2021-12-07 01:22:58,255 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-12-07 01:22:58,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 417 conditions, 335 events. 6/335 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 915 event pairs, 0 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 408. Up to 36 conditions per place. [2021-12-07 01:22:58,258 INFO L132 encePairwiseOnDemand]: 274/277 looper letters, 15 selfloop transitions, 2 changer transitions 0/210 dead transitions. [2021-12-07 01:22:58,258 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 210 transitions, 514 flow [2021-12-07 01:22:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:58,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:58,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2021-12-07 01:22:58,260 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8014440433212996 [2021-12-07 01:22:58,260 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 666 transitions. [2021-12-07 01:22:58,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 666 transitions. [2021-12-07 01:22:58,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:58,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 666 transitions. [2021-12-07 01:22:58,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,262 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,262 INFO L186 Difference]: Start difference. First operand has 240 places, 206 transitions, 472 flow. Second operand 3 states and 666 transitions. [2021-12-07 01:22:58,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 210 transitions, 514 flow [2021-12-07 01:22:58,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 210 transitions, 484 flow, removed 15 selfloop flow, removed 0 redundant places. [2021-12-07 01:22:58,266 INFO L242 Difference]: Finished difference. Result has 222 places, 207 transitions, 454 flow [2021-12-07 01:22:58,266 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=222, PETRI_TRANSITIONS=207} [2021-12-07 01:22:58,267 INFO L334 CegarLoopForPetriNet]: 240 programPoint places, -18 predicate places. [2021-12-07 01:22:58,267 INFO L470 AbstractCegarLoop]: Abstraction has has 222 places, 207 transitions, 454 flow [2021-12-07 01:22:58,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,267 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:58,267 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] [2021-12-07 01:22:58,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-07 01:22:58,267 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:58,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1928096672, now seen corresponding path program 1 times [2021-12-07 01:22:58,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:58,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158085510] [2021-12-07 01:22:58,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:58,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:58,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:58,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:58,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158085510] [2021-12-07 01:22:58,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158085510] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:58,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179136200] [2021-12-07 01:22:58,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:58,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:58,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:58,292 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:58,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-07 01:22:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:58,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-07 01:22:58,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:22:58,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:22:58,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179136200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:58,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:22:58,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-07 01:22:58,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838109523] [2021-12-07 01:22:58,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:58,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:58,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:58,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:58,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:22:58,530 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 277 [2021-12-07 01:22:58,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 207 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:58,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 277 [2021-12-07 01:22:58,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:58,574 INFO L129 PetriNetUnfolder]: 0/341 cut-off events. [2021-12-07 01:22:58,574 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-12-07 01:22:58,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 341 events. 0/341 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 993 event pairs, 0 based on Foata normal form. 6/341 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-12-07 01:22:58,575 INFO L132 encePairwiseOnDemand]: 275/277 looper letters, 10 selfloop transitions, 0 changer transitions 1/207 dead transitions. [2021-12-07 01:22:58,575 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 207 transitions, 476 flow [2021-12-07 01:22:58,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 01:22:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2021-12-07 01:22:58,576 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7906137184115524 [2021-12-07 01:22:58,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2021-12-07 01:22:58,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2021-12-07 01:22:58,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:58,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2021-12-07 01:22:58,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,579 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,579 INFO L186 Difference]: Start difference. First operand has 222 places, 207 transitions, 454 flow. Second operand 3 states and 657 transitions. [2021-12-07 01:22:58,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 207 transitions, 476 flow [2021-12-07 01:22:58,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 207 transitions, 474 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:58,582 INFO L242 Difference]: Finished difference. Result has 224 places, 206 transitions, 452 flow [2021-12-07 01:22:58,582 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=224, PETRI_TRANSITIONS=206} [2021-12-07 01:22:58,583 INFO L334 CegarLoopForPetriNet]: 240 programPoint places, -16 predicate places. [2021-12-07 01:22:58,583 INFO L470 AbstractCegarLoop]: Abstraction has has 224 places, 206 transitions, 452 flow [2021-12-07 01:22:58,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:58,583 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:58,583 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] [2021-12-07 01:22:58,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-07 01:22:58,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-07 01:22:58,784 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:58,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:58,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1382932331, now seen corresponding path program 1 times [2021-12-07 01:22:58,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:58,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571184826] [2021-12-07 01:22:58,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:58,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:58,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:58,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571184826] [2021-12-07 01:22:58,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571184826] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:58,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633942721] [2021-12-07 01:22:58,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:58,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:58,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:58,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:58,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-07 01:22:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:58,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:22:58,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:59,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-07 01:22:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:22:59,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633942721] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-07 01:22:59,095 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-07 01:22:59,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-07 01:22:59,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325503762] [2021-12-07 01:22:59,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-07 01:22:59,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:22:59,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:59,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:22:59,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:22:59,098 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 277 [2021-12-07 01:22:59,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 206 transitions, 452 flow. Second operand has 10 states, 10 states have (on average 217.3) internal successors, (2173), 10 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:59,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:59,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 277 [2021-12-07 01:22:59,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 01:22:59,172 INFO L129 PetriNetUnfolder]: 0/299 cut-off events. [2021-12-07 01:22:59,172 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-12-07 01:22:59,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 299 events. 0/299 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 716 event pairs, 0 based on Foata normal form. 2/301 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-12-07 01:22:59,173 INFO L132 encePairwiseOnDemand]: 271/277 looper letters, 16 selfloop transitions, 9 changer transitions 0/216 dead transitions. [2021-12-07 01:22:59,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 216 transitions, 524 flow [2021-12-07 01:22:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:22:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 01:22:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1962 transitions. [2021-12-07 01:22:59,178 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7870036101083032 [2021-12-07 01:22:59,178 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1962 transitions. [2021-12-07 01:22:59,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1962 transitions. [2021-12-07 01:22:59,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:22:59,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1962 transitions. [2021-12-07 01:22:59,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:59,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 277.0) internal successors, (2770), 10 states have internal predecessors, (2770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:59,188 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 277.0) internal successors, (2770), 10 states have internal predecessors, (2770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:59,188 INFO L186 Difference]: Start difference. First operand has 224 places, 206 transitions, 452 flow. Second operand 9 states and 1962 transitions. [2021-12-07 01:22:59,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 216 transitions, 524 flow [2021-12-07 01:22:59,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 216 transitions, 522 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-07 01:22:59,193 INFO L242 Difference]: Finished difference. Result has 233 places, 212 transitions, 500 flow [2021-12-07 01:22:59,194 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=500, PETRI_PLACES=233, PETRI_TRANSITIONS=212} [2021-12-07 01:22:59,194 INFO L334 CegarLoopForPetriNet]: 240 programPoint places, -7 predicate places. [2021-12-07 01:22:59,194 INFO L470 AbstractCegarLoop]: Abstraction has has 233 places, 212 transitions, 500 flow [2021-12-07 01:22:59,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 217.3) internal successors, (2173), 10 states have internal predecessors, (2173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:59,195 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 01:22:59,195 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:59,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-07 01:22:59,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63a272c4-6502-4686-8187-94622d0df2d6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-12-07 01:22:59,396 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-07 01:22:59,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:59,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1385977400, now seen corresponding path program 1 times [2021-12-07 01:22:59,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:59,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302983061] [2021-12-07 01:22:59,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:59,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-07 01:22:59,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:59,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302983061] [2021-12-07 01:22:59,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302983061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:59,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:59,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:22:59,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139286275] [2021-12-07 01:22:59,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:59,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:22:59,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:59,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:22:59,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:22:59,487 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 277 [2021-12-07 01:22:59,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 212 transitions, 500 flow. Second operand has 5 states, 5 states have (on average 194.6) internal successors, (973), 5 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:22:59,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 01:22:59,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 277 [2021-12-07 01:22:59,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand