./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX --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 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 10:42:10,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 10:42:10,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 10:42:10,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 10:42:10,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 10:42:10,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 10:42:10,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 10:42:10,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 10:42:10,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 10:42:10,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 10:42:10,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 10:42:10,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 10:42:10,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 10:42:10,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 10:42:10,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 10:42:10,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 10:42:10,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 10:42:10,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 10:42:10,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 10:42:10,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 10:42:10,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 10:42:10,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 10:42:10,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 10:42:10,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 10:42:10,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 10:42:10,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 10:42:10,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 10:42:10,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 10:42:10,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 10:42:10,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 10:42:10,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 10:42:10,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 10:42:10,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 10:42:10,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 10:42:10,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 10:42:10,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 10:42:10,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 10:42:10,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 10:42:10,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 10:42:10,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 10:42:10,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 10:42:10,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 10:42:10,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 10:42:10,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 10:42:10,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 10:42:10,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 10:42:10,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 10:42:10,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 10:42:10,313 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 10:42:10,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 10:42:10,314 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 10:42:10,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 10:42:10,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 10:42:10,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 10:42:10,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 10:42:10,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 10:42:10,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 10:42:10,317 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 10:42:10,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 10:42:10,317 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 10:42:10,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 10:42:10,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 10:42:10,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 10:42:10,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 10:42:10,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:42:10,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 10:42:10,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 10:42:10,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 10:42:10,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 10:42:10,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 10:42:10,320 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 10:42:10,322 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 10:42:10,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 10:42:10,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 10:42:10,323 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_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d771c5dc4ab027f123135a7de4324b9be0c6bae288f44d0eaffc15d1836bd60 [2021-11-09 10:42:10,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 10:42:10,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 10:42:10,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 10:42:10,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 10:42:10,779 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 10:42:10,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/pthread/queue.i [2021-11-09 10:42:10,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/data/c1380e789/e6d1118980e0443dbe4ae9630340120b/FLAGd15381fa8 [2021-11-09 10:42:11,684 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 10:42:11,685 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/sv-benchmarks/c/pthread/queue.i [2021-11-09 10:42:11,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/data/c1380e789/e6d1118980e0443dbe4ae9630340120b/FLAGd15381fa8 [2021-11-09 10:42:11,926 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/data/c1380e789/e6d1118980e0443dbe4ae9630340120b [2021-11-09 10:42:11,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 10:42:11,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 10:42:11,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 10:42:11,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 10:42:11,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 10:42:11,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:42:11" (1/1) ... [2021-11-09 10:42:11,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4221deb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:11, skipping insertion in model container [2021-11-09 10:42:11,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:42:11" (1/1) ... [2021-11-09 10:42:11,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 10:42:12,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 10:42:12,654 WARN L228 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_5a0b8517-74aa-47f7-af08-823ab048463b/sv-benchmarks/c/pthread/queue.i[43284,43297] [2021-11-09 10:42:12,662 WARN L228 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_5a0b8517-74aa-47f7-af08-823ab048463b/sv-benchmarks/c/pthread/queue.i[43491,43504] [2021-11-09 10:42:12,666 WARN L228 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_5a0b8517-74aa-47f7-af08-823ab048463b/sv-benchmarks/c/pthread/queue.i[43772,43785] [2021-11-09 10:42:12,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:42:12,686 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 10:42:12,765 WARN L228 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_5a0b8517-74aa-47f7-af08-823ab048463b/sv-benchmarks/c/pthread/queue.i[43284,43297] [2021-11-09 10:42:12,767 WARN L228 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_5a0b8517-74aa-47f7-af08-823ab048463b/sv-benchmarks/c/pthread/queue.i[43491,43504] [2021-11-09 10:42:12,770 WARN L228 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_5a0b8517-74aa-47f7-af08-823ab048463b/sv-benchmarks/c/pthread/queue.i[43772,43785] [2021-11-09 10:42:12,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 10:42:12,873 INFO L208 MainTranslator]: Completed translation [2021-11-09 10:42:12,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12 WrapperNode [2021-11-09 10:42:12,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 10:42:12,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 10:42:12,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 10:42:12,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 10:42:12,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:12,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:12,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 10:42:12,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 10:42:12,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 10:42:12,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 10:42:12,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:12,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:13,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:13,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:13,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:13,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:13,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:13,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 10:42:13,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 10:42:13,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 10:42:13,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 10:42:13,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (1/1) ... [2021-11-09 10:42:13,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 10:42:13,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 10:42:13,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 10:42:13,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a0b8517-74aa-47f7-af08-823ab048463b/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 10:42:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-09 10:42:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-09 10:42:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-09 10:42:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-09 10:42:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 10:42:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 10:42:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 10:42:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 10:42:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-09 10:42:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 10:42:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 10:42:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 10:42:13,144 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-09 10:42:13,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 10:42:13,984 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-11-09 10:42:13,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:42:13 BoogieIcfgContainer [2021-11-09 10:42:13,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 10:42:14,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 10:42:14,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 10:42:14,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 10:42:14,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:42:11" (1/3) ... [2021-11-09 10:42:14,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608928c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:42:14, skipping insertion in model container [2021-11-09 10:42:14,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:42:12" (2/3) ... [2021-11-09 10:42:14,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608928c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:42:14, skipping insertion in model container [2021-11-09 10:42:14,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:42:13" (3/3) ... [2021-11-09 10:42:14,007 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2021-11-09 10:42:14,013 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 10:42:14,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 10:42:14,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-09 10:42:14,013 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 10:42:14,070 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,070 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,070 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,070 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,071 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,071 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,071 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,071 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,072 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,072 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,072 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,072 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,073 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,073 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,073 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,073 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,074 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,074 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,074 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,074 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,075 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,075 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,075 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,075 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,075 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,076 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,076 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,076 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,076 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,076 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,077 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,077 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,077 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,077 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,078 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,078 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,078 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,078 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,078 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,078 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,079 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,079 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,079 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,079 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,079 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,080 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,080 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,080 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,080 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,080 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,080 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,081 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,081 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,081 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,081 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,081 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,082 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,082 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,082 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,082 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,083 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,083 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,083 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,083 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,083 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,083 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,084 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,084 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,084 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,084 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,085 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,085 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,085 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,085 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,086 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,086 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,086 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,086 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,086 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,087 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,087 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,087 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,087 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,087 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,088 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,088 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,088 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,088 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,089 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,089 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,089 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,089 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,089 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,090 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,090 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,090 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,090 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,090 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,091 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,091 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,091 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,091 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,091 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,092 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,092 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,092 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,092 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,092 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,093 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,093 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,093 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,093 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,094 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,094 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,094 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,094 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,094 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,095 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,095 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,095 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,095 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,096 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,096 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,096 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,096 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,096 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,097 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,098 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,098 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,099 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,099 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,099 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,099 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,099 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,100 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,101 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,102 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,102 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,102 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,102 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,103 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,103 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,103 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,103 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,104 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,105 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,105 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,105 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,105 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,105 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,106 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,106 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,106 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,107 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,107 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,107 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,107 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,107 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,108 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,108 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,108 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,108 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,108 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,109 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,109 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,109 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,109 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,110 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,110 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,110 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,111 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,112 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,113 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,114 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,115 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,116 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,117 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,118 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,119 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,119 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,119 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,119 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,120 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,120 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,120 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,121 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,122 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,123 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,123 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,123 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,123 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,124 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,124 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,125 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,125 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,125 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,125 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,126 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,126 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,127 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,128 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,128 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,129 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,129 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,130 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,130 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,130 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,131 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,131 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,132 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,132 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,133 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,133 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,133 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,133 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,134 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,134 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,134 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,134 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,135 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,135 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,135 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,135 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,135 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,136 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,137 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,137 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,137 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,137 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,137 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,138 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,138 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,138 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,139 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,139 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,139 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,139 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,139 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,140 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,143 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,143 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,143 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,144 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,144 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,144 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,146 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,146 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,146 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,146 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,146 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,147 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,147 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,147 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,148 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,152 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,152 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,152 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,153 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,153 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,154 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,155 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,162 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,162 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,162 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,162 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,163 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,163 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,163 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,163 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,163 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,163 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,164 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,165 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,166 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,166 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,166 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,166 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,167 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,167 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,168 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,168 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,168 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,169 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,169 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,170 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,171 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,171 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,171 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,171 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,171 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,172 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,172 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,172 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,172 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,172 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,173 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,181 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,181 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,182 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,183 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,184 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,185 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,185 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,185 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,185 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,185 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,185 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,186 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,186 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,187 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,187 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,187 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,187 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,187 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,187 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,188 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,188 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,188 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,188 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,188 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,188 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,189 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,189 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,189 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,189 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,189 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,189 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,190 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,190 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,190 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,190 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,190 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,190 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,191 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,191 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,191 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,191 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,191 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,192 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,192 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,192 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,192 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,192 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,192 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,193 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,193 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,193 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,193 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,193 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,193 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,194 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,194 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,194 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,194 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,194 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,194 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,195 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,195 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,195 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,195 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,195 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,196 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,196 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,196 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,196 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,196 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,196 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,197 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,197 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,208 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,208 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,208 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,208 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,208 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,209 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,209 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,209 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,209 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,209 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,210 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,210 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,210 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,210 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,210 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,211 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,212 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,212 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,212 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,212 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,212 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,213 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,213 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,213 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,213 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,213 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,213 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,214 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,214 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,214 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,214 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,214 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,214 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,215 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,216 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,216 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,216 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,217 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,217 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,217 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,218 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,218 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,218 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,219 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,220 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,221 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,224 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,238 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,239 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,239 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,239 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,239 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,239 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,240 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,240 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,240 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,240 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,240 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,240 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,241 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,241 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,241 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,241 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,241 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,242 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,242 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,242 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,242 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,242 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,243 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,243 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,243 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,243 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,243 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,244 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,244 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,244 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,244 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,244 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,245 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,245 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,245 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,251 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,251 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,252 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,269 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,269 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,269 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,270 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,270 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,270 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,270 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,270 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,271 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,271 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,271 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,271 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,271 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,272 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,272 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,272 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,272 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,272 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,273 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 10:42:14,290 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-09 10:42:14,353 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 10:42:14,361 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 10:42:14,362 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-09 10:42:14,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 247 places, 255 transitions, 526 flow [2021-11-09 10:42:14,532 INFO L129 PetriNetUnfolder]: 15/253 cut-off events. [2021-11-09 10:42:14,533 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-09 10:42:14,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 253 events. 15/253 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 363 event pairs, 0 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 182. Up to 2 conditions per place. [2021-11-09 10:42:14,545 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 255 transitions, 526 flow [2021-11-09 10:42:14,556 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 236 places, 244 transitions, 497 flow [2021-11-09 10:42:14,570 INFO L129 PetriNetUnfolder]: 2/57 cut-off events. [2021-11-09 10:42:14,571 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 10:42:14,571 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:14,572 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] [2021-11-09 10:42:14,572 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:14,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:14,579 INFO L85 PathProgramCache]: Analyzing trace with hash -528770197, now seen corresponding path program 1 times [2021-11-09 10:42:14,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:14,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654486715] [2021-11-09 10:42:14,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:14,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:14,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:14,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654486715] [2021-11-09 10:42:14,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654486715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:14,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:14,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 10:42:14,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675217206] [2021-11-09 10:42:14,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 10:42:14,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:14,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 10:42:14,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 10:42:14,971 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 255 [2021-11-09 10:42:14,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 244 transitions, 497 flow. Second operand has 2 states, 2 states have (on average 246.5) internal successors, (493), 2 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:14,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:14,978 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 255 [2021-11-09 10:42:14,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:15,093 INFO L129 PetriNetUnfolder]: 10/233 cut-off events. [2021-11-09 10:42:15,094 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-09 10:42:15,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 233 events. 10/233 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 278 event pairs, 0 based on Foata normal form. 5/226 useless extension candidates. Maximal degree in co-relation 238. Up to 2 conditions per place. [2021-11-09 10:42:15,107 INFO L132 encePairwiseOnDemand]: 250/255 looper letters, 0 selfloop transitions, 0 changer transitions 0/233 dead transitions. [2021-11-09 10:42:15,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 233 transitions, 475 flow [2021-11-09 10:42:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 10:42:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-09 10:42:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 497 transitions. [2021-11-09 10:42:15,133 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9745098039215686 [2021-11-09 10:42:15,134 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 497 transitions. [2021-11-09 10:42:15,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 497 transitions. [2021-11-09 10:42:15,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:15,144 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 497 transitions. [2021-11-09 10:42:15,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 248.5) internal successors, (497), 2 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:15,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:15,164 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:15,166 INFO L186 Difference]: Start difference. First operand has 236 places, 244 transitions, 497 flow. Second operand 2 states and 497 transitions. [2021-11-09 10:42:15,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 233 transitions, 475 flow [2021-11-09 10:42:15,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 233 transitions, 470 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-09 10:42:15,217 INFO L242 Difference]: Finished difference. Result has 228 places, 233 transitions, 470 flow [2021-11-09 10:42:15,220 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=470, PETRI_PLACES=228, PETRI_TRANSITIONS=233} [2021-11-09 10:42:15,221 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, -8 predicate places. [2021-11-09 10:42:15,221 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 233 transitions, 470 flow [2021-11-09 10:42:15,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 246.5) internal successors, (493), 2 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:15,223 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:15,223 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:15,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 10:42:15,224 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:15,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash 764473563, now seen corresponding path program 1 times [2021-11-09 10:42:15,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:15,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454518579] [2021-11-09 10:42:15,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:15,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:15,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:15,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454518579] [2021-11-09 10:42:15,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454518579] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:15,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:15,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-09 10:42:15,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530429489] [2021-11-09 10:42:15,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-09 10:42:15,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:15,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-09 10:42:15,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-09 10:42:15,758 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 255 [2021-11-09 10:42:15,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 233 transitions, 470 flow. Second operand has 12 states, 12 states have (on average 182.75) internal successors, (2193), 12 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:15,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:15,762 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 255 [2021-11-09 10:42:15,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:17,437 INFO L129 PetriNetUnfolder]: 984/3855 cut-off events. [2021-11-09 10:42:17,438 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 10:42:17,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5344 conditions, 3855 events. 984/3855 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 31317 event pairs, 779 based on Foata normal form. 0/3584 useless extension candidates. Maximal degree in co-relation 5341. Up to 1413 conditions per place. [2021-11-09 10:42:17,493 INFO L132 encePairwiseOnDemand]: 242/255 looper letters, 51 selfloop transitions, 12 changer transitions 0/229 dead transitions. [2021-11-09 10:42:17,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 229 transitions, 588 flow [2021-11-09 10:42:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-09 10:42:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-09 10:42:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2404 transitions. [2021-11-09 10:42:17,549 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7251885369532428 [2021-11-09 10:42:17,550 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2404 transitions. [2021-11-09 10:42:17,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2404 transitions. [2021-11-09 10:42:17,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:17,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2404 transitions. [2021-11-09 10:42:17,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 184.92307692307693) internal successors, (2404), 13 states have internal predecessors, (2404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 255.0) internal successors, (3570), 14 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,580 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 255.0) internal successors, (3570), 14 states have internal predecessors, (3570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,581 INFO L186 Difference]: Start difference. First operand has 228 places, 233 transitions, 470 flow. Second operand 13 states and 2404 transitions. [2021-11-09 10:42:17,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 229 transitions, 588 flow [2021-11-09 10:42:17,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 229 transitions, 588 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 10:42:17,601 INFO L242 Difference]: Finished difference. Result has 237 places, 229 transitions, 486 flow [2021-11-09 10:42:17,602 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=486, PETRI_PLACES=237, PETRI_TRANSITIONS=229} [2021-11-09 10:42:17,603 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 1 predicate places. [2021-11-09 10:42:17,603 INFO L470 AbstractCegarLoop]: Abstraction has has 237 places, 229 transitions, 486 flow [2021-11-09 10:42:17,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 182.75) internal successors, (2193), 12 states have internal predecessors, (2193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,606 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:17,606 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:17,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 10:42:17,607 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:17,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:17,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1714631399, now seen corresponding path program 1 times [2021-11-09 10:42:17,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:17,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251094636] [2021-11-09 10:42:17,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:17,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:17,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:17,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:17,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251094636] [2021-11-09 10:42:17,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251094636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:17,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:17,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 10:42:17,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293071193] [2021-11-09 10:42:17,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:42:17,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:17,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:42:17,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:42:17,807 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 255 [2021-11-09 10:42:17,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 229 transitions, 486 flow. Second operand has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:17,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 255 [2021-11-09 10:42:17,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:17,901 INFO L129 PetriNetUnfolder]: 8/227 cut-off events. [2021-11-09 10:42:17,901 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 10:42:17,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 227 events. 8/227 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 259 event pairs, 0 based on Foata normal form. 0/217 useless extension candidates. Maximal degree in co-relation 252. Up to 4 conditions per place. [2021-11-09 10:42:17,907 INFO L132 encePairwiseOnDemand]: 249/255 looper letters, 5 selfloop transitions, 5 changer transitions 0/227 dead transitions. [2021-11-09 10:42:17,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 227 transitions, 502 flow [2021-11-09 10:42:17,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-09 10:42:17,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-09 10:42:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 947 transitions. [2021-11-09 10:42:17,912 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9284313725490196 [2021-11-09 10:42:17,912 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 947 transitions. [2021-11-09 10:42:17,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 947 transitions. [2021-11-09 10:42:17,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:17,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 947 transitions. [2021-11-09 10:42:17,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 236.75) internal successors, (947), 4 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 255.0) internal successors, (1275), 5 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,924 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 255.0) internal successors, (1275), 5 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,924 INFO L186 Difference]: Start difference. First operand has 237 places, 229 transitions, 486 flow. Second operand 4 states and 947 transitions. [2021-11-09 10:42:17,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 227 transitions, 502 flow [2021-11-09 10:42:17,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 227 transitions, 479 flow, removed 0 selfloop flow, removed 11 redundant places. [2021-11-09 10:42:17,932 INFO L242 Difference]: Finished difference. Result has 228 places, 227 transitions, 469 flow [2021-11-09 10:42:17,933 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=469, PETRI_PLACES=228, PETRI_TRANSITIONS=227} [2021-11-09 10:42:17,934 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, -8 predicate places. [2021-11-09 10:42:17,934 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 227 transitions, 469 flow [2021-11-09 10:42:17,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:17,935 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:17,936 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:17,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 10:42:17,937 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:17,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1710023733, now seen corresponding path program 1 times [2021-11-09 10:42:17,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:17,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675248802] [2021-11-09 10:42:17,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:17,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:18,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:18,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675248802] [2021-11-09 10:42:18,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675248802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:18,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:18,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:42:18,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030770045] [2021-11-09 10:42:18,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:42:18,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:18,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:42:18,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:42:18,160 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 255 [2021-11-09 10:42:18,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 227 transitions, 469 flow. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:18,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 255 [2021-11-09 10:42:18,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:18,274 INFO L129 PetriNetUnfolder]: 20/391 cut-off events. [2021-11-09 10:42:18,275 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 10:42:18,279 INFO L84 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 391 events. 20/391 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 605 event pairs, 0 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 422. Up to 12 conditions per place. [2021-11-09 10:42:18,282 INFO L132 encePairwiseOnDemand]: 251/255 looper letters, 5 selfloop transitions, 3 changer transitions 0/229 dead transitions. [2021-11-09 10:42:18,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 229 transitions, 489 flow [2021-11-09 10:42:18,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:42:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 10:42:18,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2021-11-09 10:42:18,287 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9529411764705882 [2021-11-09 10:42:18,287 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2021-11-09 10:42:18,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2021-11-09 10:42:18,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:18,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2021-11-09 10:42:18,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,296 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,296 INFO L186 Difference]: Start difference. First operand has 228 places, 227 transitions, 469 flow. Second operand 3 states and 729 transitions. [2021-11-09 10:42:18,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 229 transitions, 489 flow [2021-11-09 10:42:18,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 229 transitions, 479 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-11-09 10:42:18,306 INFO L242 Difference]: Finished difference. Result has 228 places, 228 transitions, 474 flow [2021-11-09 10:42:18,307 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=228, PETRI_TRANSITIONS=228} [2021-11-09 10:42:18,307 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, -8 predicate places. [2021-11-09 10:42:18,307 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 228 transitions, 474 flow [2021-11-09 10:42:18,308 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,308 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:18,309 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:18,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 10:42:18,309 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash 10319632, now seen corresponding path program 1 times [2021-11-09 10:42:18,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:18,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50071311] [2021-11-09 10:42:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:18,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:18,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:18,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50071311] [2021-11-09 10:42:18,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50071311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:18,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:18,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-09 10:42:18,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548017011] [2021-11-09 10:42:18,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-09 10:42:18,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:18,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-09 10:42:18,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-09 10:42:18,396 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 255 [2021-11-09 10:42:18,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 228 transitions, 474 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:18,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 255 [2021-11-09 10:42:18,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:18,573 INFO L129 PetriNetUnfolder]: 26/546 cut-off events. [2021-11-09 10:42:18,573 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-09 10:42:18,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 590 conditions, 546 events. 26/546 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1328 event pairs, 0 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 585. Up to 16 conditions per place. [2021-11-09 10:42:18,581 INFO L132 encePairwiseOnDemand]: 250/255 looper letters, 9 selfloop transitions, 5 changer transitions 0/232 dead transitions. [2021-11-09 10:42:18,581 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 232 transitions, 510 flow [2021-11-09 10:42:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 10:42:18,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-09 10:42:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1195 transitions. [2021-11-09 10:42:18,587 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9372549019607843 [2021-11-09 10:42:18,587 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1195 transitions. [2021-11-09 10:42:18,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1195 transitions. [2021-11-09 10:42:18,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:18,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1195 transitions. [2021-11-09 10:42:18,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 239.0) internal successors, (1195), 5 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,598 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 255.0) internal successors, (1530), 6 states have internal predecessors, (1530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,598 INFO L186 Difference]: Start difference. First operand has 228 places, 228 transitions, 474 flow. Second operand 5 states and 1195 transitions. [2021-11-09 10:42:18,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 232 transitions, 510 flow [2021-11-09 10:42:18,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 232 transitions, 507 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-09 10:42:18,606 INFO L242 Difference]: Finished difference. Result has 234 places, 231 transitions, 501 flow [2021-11-09 10:42:18,607 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=501, PETRI_PLACES=234, PETRI_TRANSITIONS=231} [2021-11-09 10:42:18,607 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, -2 predicate places. [2021-11-09 10:42:18,608 INFO L470 AbstractCegarLoop]: Abstraction has has 234 places, 231 transitions, 501 flow [2021-11-09 10:42:18,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:18,609 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:18,609 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:18,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 10:42:18,610 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:18,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:18,610 INFO L85 PathProgramCache]: Analyzing trace with hash -336020485, now seen corresponding path program 1 times [2021-11-09 10:42:18,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:18,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979246577] [2021-11-09 10:42:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:18,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:19,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:19,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979246577] [2021-11-09 10:42:19,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979246577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:19,244 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:19,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-11-09 10:42:19,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461445539] [2021-11-09 10:42:19,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-09 10:42:19,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:19,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-09 10:42:19,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-11-09 10:42:19,254 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 255 [2021-11-09 10:42:19,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 231 transitions, 501 flow. Second operand has 16 states, 16 states have (on average 160.125) internal successors, (2562), 16 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:19,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:19,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 255 [2021-11-09 10:42:19,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:21,840 INFO L129 PetriNetUnfolder]: 1670/6728 cut-off events. [2021-11-09 10:42:21,841 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-11-09 10:42:21,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9830 conditions, 6728 events. 1670/6728 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 57991 event pairs, 1270 based on Foata normal form. 0/6367 useless extension candidates. Maximal degree in co-relation 9823. Up to 2656 conditions per place. [2021-11-09 10:42:21,910 INFO L132 encePairwiseOnDemand]: 238/255 looper letters, 92 selfloop transitions, 21 changer transitions 0/258 dead transitions. [2021-11-09 10:42:21,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 258 transitions, 783 flow [2021-11-09 10:42:21,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-09 10:42:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-11-09 10:42:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2470 transitions. [2021-11-09 10:42:21,922 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6457516339869281 [2021-11-09 10:42:21,923 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2470 transitions. [2021-11-09 10:42:21,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2470 transitions. [2021-11-09 10:42:21,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:21,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2470 transitions. [2021-11-09 10:42:21,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 164.66666666666666) internal successors, (2470), 15 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) [2021-11-09 10:42:21,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 255.0) internal successors, (4080), 16 states have internal predecessors, (4080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:21,944 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 255.0) internal successors, (4080), 16 states have internal predecessors, (4080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:21,944 INFO L186 Difference]: Start difference. First operand has 234 places, 231 transitions, 501 flow. Second operand 15 states and 2470 transitions. [2021-11-09 10:42:21,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 258 transitions, 783 flow [2021-11-09 10:42:21,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 258 transitions, 783 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 10:42:21,956 INFO L242 Difference]: Finished difference. Result has 254 places, 244 transitions, 612 flow [2021-11-09 10:42:21,957 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=612, PETRI_PLACES=254, PETRI_TRANSITIONS=244} [2021-11-09 10:42:21,957 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 18 predicate places. [2021-11-09 10:42:21,957 INFO L470 AbstractCegarLoop]: Abstraction has has 254 places, 244 transitions, 612 flow [2021-11-09 10:42:21,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 160.125) internal successors, (2562), 16 states have internal predecessors, (2562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:21,959 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:21,959 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:21,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 10:42:21,961 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:21,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:21,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1774390497, now seen corresponding path program 1 times [2021-11-09 10:42:21,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:21,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391340540] [2021-11-09 10:42:21,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:21,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:23,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:23,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:23,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391340540] [2021-11-09 10:42:23,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391340540] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:23,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:23,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-11-09 10:42:23,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499199501] [2021-11-09 10:42:23,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-09 10:42:23,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:23,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-09 10:42:23,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2021-11-09 10:42:23,095 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 255 [2021-11-09 10:42:23,100 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 244 transitions, 612 flow. Second operand has 27 states, 27 states have (on average 142.33333333333334) internal successors, (3843), 27 states have internal predecessors, (3843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:23,100 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:23,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 255 [2021-11-09 10:42:23,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:26,784 INFO L129 PetriNetUnfolder]: 1667/6539 cut-off events. [2021-11-09 10:42:26,784 INFO L130 PetriNetUnfolder]: For 102/104 co-relation queries the response was YES. [2021-11-09 10:42:26,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9805 conditions, 6539 events. 1667/6539 cut-off events. For 102/104 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 56106 event pairs, 1284 based on Foata normal form. 2/6239 useless extension candidates. Maximal degree in co-relation 9791. Up to 2599 conditions per place. [2021-11-09 10:42:26,859 INFO L132 encePairwiseOnDemand]: 225/255 looper letters, 120 selfloop transitions, 43 changer transitions 0/296 dead transitions. [2021-11-09 10:42:26,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 296 transitions, 1064 flow [2021-11-09 10:42:26,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-09 10:42:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-11-09 10:42:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 3804 transitions. [2021-11-09 10:42:26,874 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5737556561085972 [2021-11-09 10:42:26,874 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 3804 transitions. [2021-11-09 10:42:26,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 3804 transitions. [2021-11-09 10:42:26,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:26,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 3804 transitions. [2021-11-09 10:42:26,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 146.30769230769232) internal successors, (3804), 26 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:26,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 255.0) internal successors, (6885), 27 states have internal predecessors, (6885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:26,908 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 255.0) internal successors, (6885), 27 states have internal predecessors, (6885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:26,909 INFO L186 Difference]: Start difference. First operand has 254 places, 244 transitions, 612 flow. Second operand 26 states and 3804 transitions. [2021-11-09 10:42:26,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 296 transitions, 1064 flow [2021-11-09 10:42:26,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 296 transitions, 1051 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-11-09 10:42:26,919 INFO L242 Difference]: Finished difference. Result has 283 places, 264 transitions, 822 flow [2021-11-09 10:42:26,919 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=822, PETRI_PLACES=283, PETRI_TRANSITIONS=264} [2021-11-09 10:42:26,920 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 47 predicate places. [2021-11-09 10:42:26,920 INFO L470 AbstractCegarLoop]: Abstraction has has 283 places, 264 transitions, 822 flow [2021-11-09 10:42:26,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 142.33333333333334) internal successors, (3843), 27 states have internal predecessors, (3843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:26,922 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:26,923 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:26,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 10:42:26,923 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:26,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:26,924 INFO L85 PathProgramCache]: Analyzing trace with hash 727672689, now seen corresponding path program 1 times [2021-11-09 10:42:26,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:26,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889312793] [2021-11-09 10:42:26,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:26,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:27,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:27,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889312793] [2021-11-09 10:42:27,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889312793] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:27,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:27,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-09 10:42:27,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074364769] [2021-11-09 10:42:27,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-09 10:42:27,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:27,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-09 10:42:27,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2021-11-09 10:42:27,388 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 255 [2021-11-09 10:42:27,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 264 transitions, 822 flow. Second operand has 20 states, 20 states have (on average 156.65) internal successors, (3133), 20 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:27,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:27,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 255 [2021-11-09 10:42:27,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:30,624 INFO L129 PetriNetUnfolder]: 2711/10019 cut-off events. [2021-11-09 10:42:30,624 INFO L130 PetriNetUnfolder]: For 463/472 co-relation queries the response was YES. [2021-11-09 10:42:30,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15272 conditions, 10019 events. 2711/10019 cut-off events. For 463/472 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 92078 event pairs, 920 based on Foata normal form. 6/9543 useless extension candidates. Maximal degree in co-relation 15247. Up to 3642 conditions per place. [2021-11-09 10:42:30,702 INFO L132 encePairwiseOnDemand]: 227/255 looper letters, 154 selfloop transitions, 45 changer transitions 0/348 dead transitions. [2021-11-09 10:42:30,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 348 transitions, 1441 flow [2021-11-09 10:42:30,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-09 10:42:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-11-09 10:42:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 3104 transitions. [2021-11-09 10:42:30,714 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6406604747162022 [2021-11-09 10:42:30,714 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 3104 transitions. [2021-11-09 10:42:30,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 3104 transitions. [2021-11-09 10:42:30,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:30,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 3104 transitions. [2021-11-09 10:42:30,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 163.3684210526316) internal successors, (3104), 19 states have internal predecessors, (3104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:30,736 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 255.0) internal successors, (5100), 20 states have internal predecessors, (5100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:30,737 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 255.0) internal successors, (5100), 20 states have internal predecessors, (5100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:30,738 INFO L186 Difference]: Start difference. First operand has 283 places, 264 transitions, 822 flow. Second operand 19 states and 3104 transitions. [2021-11-09 10:42:30,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 348 transitions, 1441 flow [2021-11-09 10:42:30,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 348 transitions, 1394 flow, removed 7 selfloop flow, removed 13 redundant places. [2021-11-09 10:42:30,752 INFO L242 Difference]: Finished difference. Result has 295 places, 279 transitions, 1004 flow [2021-11-09 10:42:30,753 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1004, PETRI_PLACES=295, PETRI_TRANSITIONS=279} [2021-11-09 10:42:30,753 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 59 predicate places. [2021-11-09 10:42:30,754 INFO L470 AbstractCegarLoop]: Abstraction has has 295 places, 279 transitions, 1004 flow [2021-11-09 10:42:30,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 156.65) internal successors, (3133), 20 states have internal predecessors, (3133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:30,755 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:30,755 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:30,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 10:42:30,755 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:30,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:30,756 INFO L85 PathProgramCache]: Analyzing trace with hash -576759089, now seen corresponding path program 2 times [2021-11-09 10:42:30,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:30,756 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385140392] [2021-11-09 10:42:30,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:30,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:31,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:31,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385140392] [2021-11-09 10:42:31,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385140392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:31,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:31,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-09 10:42:31,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320599035] [2021-11-09 10:42:31,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-09 10:42:31,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:31,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-09 10:42:31,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-11-09 10:42:31,801 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 255 [2021-11-09 10:42:31,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 279 transitions, 1004 flow. Second operand has 28 states, 28 states have (on average 147.17857142857142) internal successors, (4121), 28 states have internal predecessors, (4121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:31,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:31,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 255 [2021-11-09 10:42:31,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:35,320 INFO L129 PetriNetUnfolder]: 1585/6506 cut-off events. [2021-11-09 10:42:35,320 INFO L130 PetriNetUnfolder]: For 1260/1311 co-relation queries the response was YES. [2021-11-09 10:42:35,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10706 conditions, 6506 events. 1585/6506 cut-off events. For 1260/1311 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 55469 event pairs, 623 based on Foata normal form. 5/6244 useless extension candidates. Maximal degree in co-relation 10674. Up to 2207 conditions per place. [2021-11-09 10:42:35,372 INFO L132 encePairwiseOnDemand]: 226/255 looper letters, 146 selfloop transitions, 41 changer transitions 0/331 dead transitions. [2021-11-09 10:42:35,372 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 331 transitions, 1532 flow [2021-11-09 10:42:35,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-09 10:42:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-11-09 10:42:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4067 transitions. [2021-11-09 10:42:35,385 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5907044299201162 [2021-11-09 10:42:35,385 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4067 transitions. [2021-11-09 10:42:35,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4067 transitions. [2021-11-09 10:42:35,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:35,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4067 transitions. [2021-11-09 10:42:35,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 150.62962962962962) internal successors, (4067), 27 states have internal predecessors, (4067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:35,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 255.0) internal successors, (7140), 28 states have internal predecessors, (7140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:35,414 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 255.0) internal successors, (7140), 28 states have internal predecessors, (7140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:35,415 INFO L186 Difference]: Start difference. First operand has 295 places, 279 transitions, 1004 flow. Second operand 27 states and 4067 transitions. [2021-11-09 10:42:35,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 331 transitions, 1532 flow [2021-11-09 10:42:35,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 331 transitions, 1506 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-11-09 10:42:35,431 INFO L242 Difference]: Finished difference. Result has 319 places, 288 transitions, 1134 flow [2021-11-09 10:42:35,432 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=978, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1134, PETRI_PLACES=319, PETRI_TRANSITIONS=288} [2021-11-09 10:42:35,432 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 83 predicate places. [2021-11-09 10:42:35,432 INFO L470 AbstractCegarLoop]: Abstraction has has 319 places, 288 transitions, 1134 flow [2021-11-09 10:42:35,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 147.17857142857142) internal successors, (4121), 28 states have internal predecessors, (4121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:35,434 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:35,434 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:35,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 10:42:35,435 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:35,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:35,435 INFO L85 PathProgramCache]: Analyzing trace with hash 936219863, now seen corresponding path program 1 times [2021-11-09 10:42:35,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:35,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947811851] [2021-11-09 10:42:35,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:35,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:36,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:36,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947811851] [2021-11-09 10:42:36,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947811851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:36,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:36,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-09 10:42:36,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486275707] [2021-11-09 10:42:36,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-09 10:42:36,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:36,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-09 10:42:36,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=786, Unknown=0, NotChecked=0, Total=870 [2021-11-09 10:42:36,496 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 255 [2021-11-09 10:42:36,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 288 transitions, 1134 flow. Second operand has 30 states, 30 states have (on average 139.2) internal successors, (4176), 30 states have internal predecessors, (4176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:36,505 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:36,505 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 255 [2021-11-09 10:42:36,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:40,643 INFO L129 PetriNetUnfolder]: 2868/8732 cut-off events. [2021-11-09 10:42:40,643 INFO L130 PetriNetUnfolder]: For 2096/2125 co-relation queries the response was YES. [2021-11-09 10:42:40,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16139 conditions, 8732 events. 2868/8732 cut-off events. For 2096/2125 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 71981 event pairs, 1113 based on Foata normal form. 5/8407 useless extension candidates. Maximal degree in co-relation 16101. Up to 3900 conditions per place. [2021-11-09 10:42:40,753 INFO L132 encePairwiseOnDemand]: 223/255 looper letters, 185 selfloop transitions, 61 changer transitions 0/379 dead transitions. [2021-11-09 10:42:40,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 379 transitions, 1878 flow [2021-11-09 10:42:40,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-09 10:42:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-11-09 10:42:40,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 3907 transitions. [2021-11-09 10:42:40,764 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5674655047204067 [2021-11-09 10:42:40,764 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 3907 transitions. [2021-11-09 10:42:40,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 3907 transitions. [2021-11-09 10:42:40,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:40,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 3907 transitions. [2021-11-09 10:42:40,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 144.7037037037037) internal successors, (3907), 27 states have internal predecessors, (3907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:40,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 255.0) internal successors, (7140), 28 states have internal predecessors, (7140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:40,792 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 255.0) internal successors, (7140), 28 states have internal predecessors, (7140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:40,792 INFO L186 Difference]: Start difference. First operand has 319 places, 288 transitions, 1134 flow. Second operand 27 states and 3907 transitions. [2021-11-09 10:42:40,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 379 transitions, 1878 flow [2021-11-09 10:42:40,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 379 transitions, 1816 flow, removed 5 selfloop flow, removed 17 redundant places. [2021-11-09 10:42:40,819 INFO L242 Difference]: Finished difference. Result has 333 places, 295 transitions, 1300 flow [2021-11-09 10:42:40,820 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=1300, PETRI_PLACES=333, PETRI_TRANSITIONS=295} [2021-11-09 10:42:40,820 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 97 predicate places. [2021-11-09 10:42:40,820 INFO L470 AbstractCegarLoop]: Abstraction has has 333 places, 295 transitions, 1300 flow [2021-11-09 10:42:40,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 139.2) internal successors, (4176), 30 states have internal predecessors, (4176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:40,822 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:40,822 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:40,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-09 10:42:40,823 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:40,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash -627649293, now seen corresponding path program 2 times [2021-11-09 10:42:40,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:40,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026332311] [2021-11-09 10:42:40,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:40,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:41,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:41,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026332311] [2021-11-09 10:42:41,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026332311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:41,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:41,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-11-09 10:42:41,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808801545] [2021-11-09 10:42:41,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-09 10:42:41,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:41,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-09 10:42:41,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2021-11-09 10:42:41,923 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 255 [2021-11-09 10:42:41,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 295 transitions, 1300 flow. Second operand has 29 states, 29 states have (on average 141.24137931034483) internal successors, (4096), 29 states have internal predecessors, (4096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:41,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:41,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 255 [2021-11-09 10:42:41,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:44,955 INFO L129 PetriNetUnfolder]: 1032/3493 cut-off events. [2021-11-09 10:42:44,955 INFO L130 PetriNetUnfolder]: For 1504/1515 co-relation queries the response was YES. [2021-11-09 10:42:44,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7083 conditions, 3493 events. 1032/3493 cut-off events. For 1504/1515 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 22996 event pairs, 368 based on Foata normal form. 5/3373 useless extension candidates. Maximal degree in co-relation 7040. Up to 1316 conditions per place. [2021-11-09 10:42:44,990 INFO L132 encePairwiseOnDemand]: 224/255 looper letters, 142 selfloop transitions, 60 changer transitions 0/329 dead transitions. [2021-11-09 10:42:44,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 329 transitions, 1780 flow [2021-11-09 10:42:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-09 10:42:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-11-09 10:42:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4050 transitions. [2021-11-09 10:42:44,998 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5672268907563025 [2021-11-09 10:42:44,998 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4050 transitions. [2021-11-09 10:42:44,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4050 transitions. [2021-11-09 10:42:45,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:45,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4050 transitions. [2021-11-09 10:42:45,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 144.64285714285714) internal successors, (4050), 28 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 255.0) internal successors, (7395), 29 states have internal predecessors, (7395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,019 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 255.0) internal successors, (7395), 29 states have internal predecessors, (7395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,019 INFO L186 Difference]: Start difference. First operand has 333 places, 295 transitions, 1300 flow. Second operand 28 states and 4050 transitions. [2021-11-09 10:42:45,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 329 transitions, 1780 flow [2021-11-09 10:42:45,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 329 transitions, 1662 flow, removed 9 selfloop flow, removed 29 redundant places. [2021-11-09 10:42:45,040 INFO L242 Difference]: Finished difference. Result has 323 places, 284 transitions, 1262 flow [2021-11-09 10:42:45,041 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=1142, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1262, PETRI_PLACES=323, PETRI_TRANSITIONS=284} [2021-11-09 10:42:45,041 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 87 predicate places. [2021-11-09 10:42:45,041 INFO L470 AbstractCegarLoop]: Abstraction has has 323 places, 284 transitions, 1262 flow [2021-11-09 10:42:45,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 141.24137931034483) internal successors, (4096), 29 states have internal predecessors, (4096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,042 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:45,042 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:45,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-09 10:42:45,043 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:45,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:45,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1360956515, now seen corresponding path program 1 times [2021-11-09 10:42:45,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:45,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790262234] [2021-11-09 10:42:45,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:45,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:45,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:45,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:45,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790262234] [2021-11-09 10:42:45,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790262234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:45,107 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:45,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 10:42:45,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117772814] [2021-11-09 10:42:45,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 10:42:45,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:45,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 10:42:45,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 10:42:45,109 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 255 [2021-11-09 10:42:45,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 284 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:45,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 255 [2021-11-09 10:42:45,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:45,315 INFO L129 PetriNetUnfolder]: 57/862 cut-off events. [2021-11-09 10:42:45,315 INFO L130 PetriNetUnfolder]: For 419/421 co-relation queries the response was YES. [2021-11-09 10:42:45,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1487 conditions, 862 events. 57/862 cut-off events. For 419/421 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3716 event pairs, 5 based on Foata normal form. 19/850 useless extension candidates. Maximal degree in co-relation 1451. Up to 33 conditions per place. [2021-11-09 10:42:45,323 INFO L132 encePairwiseOnDemand]: 249/255 looper letters, 7 selfloop transitions, 6 changer transitions 0/282 dead transitions. [2021-11-09 10:42:45,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 282 transitions, 1276 flow [2021-11-09 10:42:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 10:42:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 10:42:45,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 715 transitions. [2021-11-09 10:42:45,325 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.934640522875817 [2021-11-09 10:42:45,325 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 715 transitions. [2021-11-09 10:42:45,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 715 transitions. [2021-11-09 10:42:45,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:45,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 715 transitions. [2021-11-09 10:42:45,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 238.33333333333334) internal successors, (715), 3 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,329 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,329 INFO L186 Difference]: Start difference. First operand has 323 places, 284 transitions, 1262 flow. Second operand 3 states and 715 transitions. [2021-11-09 10:42:45,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 282 transitions, 1276 flow [2021-11-09 10:42:45,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 282 transitions, 1168 flow, removed 2 selfloop flow, removed 26 redundant places. [2021-11-09 10:42:45,342 INFO L242 Difference]: Finished difference. Result has 299 places, 282 transitions, 1154 flow [2021-11-09 10:42:45,343 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=1142, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1154, PETRI_PLACES=299, PETRI_TRANSITIONS=282} [2021-11-09 10:42:45,343 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 63 predicate places. [2021-11-09 10:42:45,343 INFO L470 AbstractCegarLoop]: Abstraction has has 299 places, 282 transitions, 1154 flow [2021-11-09 10:42:45,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 236.66666666666666) internal successors, (710), 3 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,344 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:45,344 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:45,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 10:42:45,344 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:45,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:45,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1723343758, now seen corresponding path program 1 times [2021-11-09 10:42:45,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:45,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976106119] [2021-11-09 10:42:45,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:45,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:45,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:45,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976106119] [2021-11-09 10:42:45,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976106119] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:45,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:45,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-09 10:42:45,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875636295] [2021-11-09 10:42:45,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-09 10:42:45,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:45,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-09 10:42:45,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-11-09 10:42:45,763 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 255 [2021-11-09 10:42:45,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 282 transitions, 1154 flow. Second operand has 17 states, 17 states have (on average 160.47058823529412) internal successors, (2728), 17 states have internal predecessors, (2728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:45,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:45,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 255 [2021-11-09 10:42:45,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:47,329 INFO L129 PetriNetUnfolder]: 549/2543 cut-off events. [2021-11-09 10:42:47,329 INFO L130 PetriNetUnfolder]: For 1144/1145 co-relation queries the response was YES. [2021-11-09 10:42:47,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5307 conditions, 2543 events. 549/2543 cut-off events. For 1144/1145 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 17007 event pairs, 53 based on Foata normal form. 14/2469 useless extension candidates. Maximal degree in co-relation 5271. Up to 730 conditions per place. [2021-11-09 10:42:47,358 INFO L132 encePairwiseOnDemand]: 232/255 looper letters, 166 selfloop transitions, 44 changer transitions 0/351 dead transitions. [2021-11-09 10:42:47,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 351 transitions, 1809 flow [2021-11-09 10:42:47,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-09 10:42:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-11-09 10:42:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2975 transitions. [2021-11-09 10:42:47,364 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6481481481481481 [2021-11-09 10:42:47,365 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2975 transitions. [2021-11-09 10:42:47,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2975 transitions. [2021-11-09 10:42:47,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:47,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2975 transitions. [2021-11-09 10:42:47,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 165.27777777777777) internal successors, (2975), 18 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:47,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 255.0) internal successors, (4845), 19 states have internal predecessors, (4845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:47,379 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 255.0) internal successors, (4845), 19 states have internal predecessors, (4845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:47,379 INFO L186 Difference]: Start difference. First operand has 299 places, 282 transitions, 1154 flow. Second operand 18 states and 2975 transitions. [2021-11-09 10:42:47,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 351 transitions, 1809 flow [2021-11-09 10:42:47,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 351 transitions, 1803 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-09 10:42:47,401 INFO L242 Difference]: Finished difference. Result has 320 places, 303 transitions, 1398 flow [2021-11-09 10:42:47,402 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=1148, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1398, PETRI_PLACES=320, PETRI_TRANSITIONS=303} [2021-11-09 10:42:47,403 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 84 predicate places. [2021-11-09 10:42:47,403 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 303 transitions, 1398 flow [2021-11-09 10:42:47,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 160.47058823529412) internal successors, (2728), 17 states have internal predecessors, (2728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:47,404 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:47,404 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:47,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-09 10:42:47,404 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:47,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:47,405 INFO L85 PathProgramCache]: Analyzing trace with hash -670847326, now seen corresponding path program 1 times [2021-11-09 10:42:47,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:47,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053380523] [2021-11-09 10:42:47,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:47,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:48,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:48,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:48,479 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053380523] [2021-11-09 10:42:48,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053380523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:48,479 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:48,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-09 10:42:48,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711034193] [2021-11-09 10:42:48,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-09 10:42:48,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:48,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-09 10:42:48,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=754, Unknown=0, NotChecked=0, Total=870 [2021-11-09 10:42:48,486 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 255 [2021-11-09 10:42:48,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 303 transitions, 1398 flow. Second operand has 30 states, 30 states have (on average 143.86666666666667) internal successors, (4316), 30 states have internal predecessors, (4316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:48,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:48,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 255 [2021-11-09 10:42:48,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:51,556 INFO L129 PetriNetUnfolder]: 1010/3799 cut-off events. [2021-11-09 10:42:51,556 INFO L130 PetriNetUnfolder]: For 2374/2381 co-relation queries the response was YES. [2021-11-09 10:42:51,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8526 conditions, 3799 events. 1010/3799 cut-off events. For 2374/2381 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 24359 event pairs, 71 based on Foata normal form. 19/3687 useless extension candidates. Maximal degree in co-relation 8484. Up to 1081 conditions per place. [2021-11-09 10:42:51,595 INFO L132 encePairwiseOnDemand]: 220/255 looper letters, 233 selfloop transitions, 70 changer transitions 0/426 dead transitions. [2021-11-09 10:42:51,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 426 transitions, 2319 flow [2021-11-09 10:42:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-09 10:42:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2021-11-09 10:42:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 5049 transitions. [2021-11-09 10:42:51,607 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5823529411764706 [2021-11-09 10:42:51,607 INFO L72 ComplementDD]: Start complementDD. Operand 34 states and 5049 transitions. [2021-11-09 10:42:51,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 5049 transitions. [2021-11-09 10:42:51,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:51,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 34 states and 5049 transitions. [2021-11-09 10:42:51,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 35 states, 34 states have (on average 148.5) internal successors, (5049), 34 states have internal predecessors, (5049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:51,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 35 states, 35 states have (on average 255.0) internal successors, (8925), 35 states have internal predecessors, (8925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:51,634 INFO L81 ComplementDD]: Finished complementDD. Result has 35 states, 35 states have (on average 255.0) internal successors, (8925), 35 states have internal predecessors, (8925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:51,634 INFO L186 Difference]: Start difference. First operand has 320 places, 303 transitions, 1398 flow. Second operand 34 states and 5049 transitions. [2021-11-09 10:42:51,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 426 transitions, 2319 flow [2021-11-09 10:42:51,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 426 transitions, 2237 flow, removed 24 selfloop flow, removed 15 redundant places. [2021-11-09 10:42:51,665 INFO L242 Difference]: Finished difference. Result has 333 places, 306 transitions, 1524 flow [2021-11-09 10:42:51,666 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=1184, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=34, PETRI_FLOW=1524, PETRI_PLACES=333, PETRI_TRANSITIONS=306} [2021-11-09 10:42:51,666 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 97 predicate places. [2021-11-09 10:42:51,666 INFO L470 AbstractCegarLoop]: Abstraction has has 333 places, 306 transitions, 1524 flow [2021-11-09 10:42:51,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 143.86666666666667) internal successors, (4316), 30 states have internal predecessors, (4316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:51,668 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:51,668 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:51,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-09 10:42:51,668 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:51,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:51,669 INFO L85 PathProgramCache]: Analyzing trace with hash -942154140, now seen corresponding path program 2 times [2021-11-09 10:42:51,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:51,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677895701] [2021-11-09 10:42:51,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:51,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:53,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:53,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677895701] [2021-11-09 10:42:53,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677895701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:53,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:53,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-11-09 10:42:53,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556389126] [2021-11-09 10:42:53,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-09 10:42:53,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:53,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-09 10:42:53,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1182, Unknown=0, NotChecked=0, Total=1332 [2021-11-09 10:42:53,441 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 255 [2021-11-09 10:42:53,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 306 transitions, 1524 flow. Second operand has 37 states, 37 states have (on average 127.54054054054055) internal successors, (4719), 37 states have internal predecessors, (4719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:53,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:53,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 255 [2021-11-09 10:42:53,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:42:58,312 INFO L129 PetriNetUnfolder]: 2254/6914 cut-off events. [2021-11-09 10:42:58,312 INFO L130 PetriNetUnfolder]: For 3204/3222 co-relation queries the response was YES. [2021-11-09 10:42:58,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14629 conditions, 6914 events. 2254/6914 cut-off events. For 3204/3222 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 50255 event pairs, 479 based on Foata normal form. 1/6520 useless extension candidates. Maximal degree in co-relation 14588. Up to 1739 conditions per place. [2021-11-09 10:42:58,383 INFO L132 encePairwiseOnDemand]: 214/255 looper letters, 316 selfloop transitions, 81 changer transitions 0/507 dead transitions. [2021-11-09 10:42:58,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 507 transitions, 2917 flow [2021-11-09 10:42:58,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-11-09 10:42:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2021-11-09 10:42:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 5575 transitions. [2021-11-09 10:42:58,392 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5205415499533147 [2021-11-09 10:42:58,392 INFO L72 ComplementDD]: Start complementDD. Operand 42 states and 5575 transitions. [2021-11-09 10:42:58,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 5575 transitions. [2021-11-09 10:42:58,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:42:58,395 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 42 states and 5575 transitions. [2021-11-09 10:42:58,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 43 states, 42 states have (on average 132.73809523809524) internal successors, (5575), 42 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:58,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 43 states, 43 states have (on average 255.0) internal successors, (10965), 43 states have internal predecessors, (10965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:58,419 INFO L81 ComplementDD]: Finished complementDD. Result has 43 states, 43 states have (on average 255.0) internal successors, (10965), 43 states have internal predecessors, (10965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:58,419 INFO L186 Difference]: Start difference. First operand has 333 places, 306 transitions, 1524 flow. Second operand 42 states and 5575 transitions. [2021-11-09 10:42:58,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 507 transitions, 2917 flow [2021-11-09 10:42:58,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 507 transitions, 2795 flow, removed 19 selfloop flow, removed 19 redundant places. [2021-11-09 10:42:58,458 INFO L242 Difference]: Finished difference. Result has 364 places, 328 transitions, 1731 flow [2021-11-09 10:42:58,459 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=1402, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=42, PETRI_FLOW=1731, PETRI_PLACES=364, PETRI_TRANSITIONS=328} [2021-11-09 10:42:58,460 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 128 predicate places. [2021-11-09 10:42:58,460 INFO L470 AbstractCegarLoop]: Abstraction has has 364 places, 328 transitions, 1731 flow [2021-11-09 10:42:58,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 127.54054054054055) internal successors, (4719), 37 states have internal predecessors, (4719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:58,461 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:42:58,462 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:42:58,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-09 10:42:58,462 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:42:58,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:42:58,463 INFO L85 PathProgramCache]: Analyzing trace with hash -711467685, now seen corresponding path program 1 times [2021-11-09 10:42:58,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:42:58,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818817175] [2021-11-09 10:42:58,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:42:58,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:42:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:42:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:42:59,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:42:59,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818817175] [2021-11-09 10:42:59,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818817175] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:42:59,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:42:59,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-11-09 10:42:59,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649651228] [2021-11-09 10:42:59,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-09 10:42:59,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:42:59,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-09 10:42:59,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2021-11-09 10:42:59,481 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 255 [2021-11-09 10:42:59,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 328 transitions, 1731 flow. Second operand has 30 states, 30 states have (on average 145.83333333333334) internal successors, (4375), 30 states have internal predecessors, (4375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:42:59,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:42:59,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 255 [2021-11-09 10:42:59,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:43:03,323 INFO L129 PetriNetUnfolder]: 1267/5019 cut-off events. [2021-11-09 10:43:03,323 INFO L130 PetriNetUnfolder]: For 5229/5251 co-relation queries the response was YES. [2021-11-09 10:43:03,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12080 conditions, 5019 events. 1267/5019 cut-off events. For 5229/5251 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 35644 event pairs, 243 based on Foata normal form. 9/4840 useless extension candidates. Maximal degree in co-relation 12030. Up to 1677 conditions per place. [2021-11-09 10:43:03,372 INFO L132 encePairwiseOnDemand]: 219/255 looper letters, 247 selfloop transitions, 101 changer transitions 0/477 dead transitions. [2021-11-09 10:43:03,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 477 transitions, 3100 flow [2021-11-09 10:43:03,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-09 10:43:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-11-09 10:43:03,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 5256 transitions. [2021-11-09 10:43:03,388 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5889075630252101 [2021-11-09 10:43:03,389 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 5256 transitions. [2021-11-09 10:43:03,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 5256 transitions. [2021-11-09 10:43:03,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:43:03,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 5256 transitions. [2021-11-09 10:43:03,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 150.17142857142858) internal successors, (5256), 35 states have internal predecessors, (5256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:03,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 255.0) internal successors, (9180), 36 states have internal predecessors, (9180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:03,409 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 255.0) internal successors, (9180), 36 states have internal predecessors, (9180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:03,410 INFO L186 Difference]: Start difference. First operand has 364 places, 328 transitions, 1731 flow. Second operand 35 states and 5256 transitions. [2021-11-09 10:43:03,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 477 transitions, 3100 flow [2021-11-09 10:43:03,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 477 transitions, 2958 flow, removed 10 selfloop flow, removed 25 redundant places. [2021-11-09 10:43:03,455 INFO L242 Difference]: Finished difference. Result has 385 places, 378 transitions, 2297 flow [2021-11-09 10:43:03,455 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=1612, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=2297, PETRI_PLACES=385, PETRI_TRANSITIONS=378} [2021-11-09 10:43:03,455 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 149 predicate places. [2021-11-09 10:43:03,456 INFO L470 AbstractCegarLoop]: Abstraction has has 385 places, 378 transitions, 2297 flow [2021-11-09 10:43:03,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 145.83333333333334) internal successors, (4375), 30 states have internal predecessors, (4375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:03,457 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:43:03,457 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:03,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-09 10:43:03,458 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:43:03,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:03,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1195510605, now seen corresponding path program 2 times [2021-11-09 10:43:03,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:03,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067833522] [2021-11-09 10:43:03,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:03,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:43:04,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:04,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067833522] [2021-11-09 10:43:04,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067833522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:04,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:04,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-09 10:43:04,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925472513] [2021-11-09 10:43:04,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-09 10:43:04,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:04,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-09 10:43:04,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2021-11-09 10:43:04,419 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 255 [2021-11-09 10:43:04,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 378 transitions, 2297 flow. Second operand has 28 states, 28 states have (on average 148.0) internal successors, (4144), 28 states have internal predecessors, (4144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:04,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:43:04,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 255 [2021-11-09 10:43:04,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:43:06,943 INFO L129 PetriNetUnfolder]: 819/3418 cut-off events. [2021-11-09 10:43:06,943 INFO L130 PetriNetUnfolder]: For 5744/5773 co-relation queries the response was YES. [2021-11-09 10:43:06,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9243 conditions, 3418 events. 819/3418 cut-off events. For 5744/5773 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 22740 event pairs, 117 based on Foata normal form. 10/3280 useless extension candidates. Maximal degree in co-relation 9181. Up to 862 conditions per place. [2021-11-09 10:43:06,983 INFO L132 encePairwiseOnDemand]: 223/255 looper letters, 171 selfloop transitions, 99 changer transitions 0/413 dead transitions. [2021-11-09 10:43:06,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 413 transitions, 2914 flow [2021-11-09 10:43:06,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-09 10:43:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-11-09 10:43:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4226 transitions. [2021-11-09 10:43:07,003 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5918767507002801 [2021-11-09 10:43:07,004 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4226 transitions. [2021-11-09 10:43:07,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4226 transitions. [2021-11-09 10:43:07,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:43:07,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4226 transitions. [2021-11-09 10:43:07,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 150.92857142857142) internal successors, (4226), 28 states have internal predecessors, (4226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:07,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 255.0) internal successors, (7395), 29 states have internal predecessors, (7395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:07,021 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 255.0) internal successors, (7395), 29 states have internal predecessors, (7395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:07,022 INFO L186 Difference]: Start difference. First operand has 385 places, 378 transitions, 2297 flow. Second operand 28 states and 4226 transitions. [2021-11-09 10:43:07,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 413 transitions, 2914 flow [2021-11-09 10:43:07,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 413 transitions, 2770 flow, removed 29 selfloop flow, removed 21 redundant places. [2021-11-09 10:43:07,077 INFO L242 Difference]: Finished difference. Result has 387 places, 369 transitions, 2331 flow [2021-11-09 10:43:07,077 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=2070, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=2331, PETRI_PLACES=387, PETRI_TRANSITIONS=369} [2021-11-09 10:43:07,078 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 151 predicate places. [2021-11-09 10:43:07,078 INFO L470 AbstractCegarLoop]: Abstraction has has 387 places, 369 transitions, 2331 flow [2021-11-09 10:43:07,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 148.0) internal successors, (4144), 28 states have internal predecessors, (4144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:07,079 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:43:07,079 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:07,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-09 10:43:07,080 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:43:07,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:07,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1639205364, now seen corresponding path program 1 times [2021-11-09 10:43:07,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:07,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108424615] [2021-11-09 10:43:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:07,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:43:15,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:15,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108424615] [2021-11-09 10:43:15,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108424615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:15,019 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:15,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-11-09 10:43:15,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583501945] [2021-11-09 10:43:15,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-09 10:43:15,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:15,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-09 10:43:15,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2560, Unknown=0, NotChecked=0, Total=2756 [2021-11-09 10:43:15,027 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 255 [2021-11-09 10:43:15,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 369 transitions, 2331 flow. Second operand has 53 states, 53 states have (on average 108.16981132075472) internal successors, (5733), 53 states have internal predecessors, (5733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:15,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:43:15,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 255 [2021-11-09 10:43:15,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:43:41,501 INFO L129 PetriNetUnfolder]: 12338/27441 cut-off events. [2021-11-09 10:43:41,501 INFO L130 PetriNetUnfolder]: For 120862/120963 co-relation queries the response was YES. [2021-11-09 10:43:41,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86868 conditions, 27441 events. 12338/27441 cut-off events. For 120862/120963 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 221082 event pairs, 4526 based on Foata normal form. 20/25623 useless extension candidates. Maximal degree in co-relation 86808. Up to 11524 conditions per place. [2021-11-09 10:43:42,065 INFO L132 encePairwiseOnDemand]: 191/255 looper letters, 802 selfloop transitions, 217 changer transitions 55/1174 dead transitions. [2021-11-09 10:43:42,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 1174 transitions, 8536 flow [2021-11-09 10:43:42,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-11-09 10:43:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-11-09 10:43:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 10269 transitions. [2021-11-09 10:43:42,080 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.457620320855615 [2021-11-09 10:43:42,080 INFO L72 ComplementDD]: Start complementDD. Operand 88 states and 10269 transitions. [2021-11-09 10:43:42,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 10269 transitions. [2021-11-09 10:43:42,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:43:42,086 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 88 states and 10269 transitions. [2021-11-09 10:43:42,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 89 states, 88 states have (on average 116.69318181818181) internal successors, (10269), 88 states have internal predecessors, (10269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:42,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 89 states, 89 states have (on average 255.0) internal successors, (22695), 89 states have internal predecessors, (22695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:42,149 INFO L81 ComplementDD]: Finished complementDD. Result has 89 states, 89 states have (on average 255.0) internal successors, (22695), 89 states have internal predecessors, (22695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:42,149 INFO L186 Difference]: Start difference. First operand has 387 places, 369 transitions, 2331 flow. Second operand 88 states and 10269 transitions. [2021-11-09 10:43:42,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 1174 transitions, 8536 flow [2021-11-09 10:43:42,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 1174 transitions, 8290 flow, removed 6 selfloop flow, removed 26 redundant places. [2021-11-09 10:43:42,687 INFO L242 Difference]: Finished difference. Result has 511 places, 534 transitions, 4113 flow [2021-11-09 10:43:42,688 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=2149, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=88, PETRI_FLOW=4113, PETRI_PLACES=511, PETRI_TRANSITIONS=534} [2021-11-09 10:43:42,688 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 275 predicate places. [2021-11-09 10:43:42,688 INFO L470 AbstractCegarLoop]: Abstraction has has 511 places, 534 transitions, 4113 flow [2021-11-09 10:43:42,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 108.16981132075472) internal successors, (5733), 53 states have internal predecessors, (5733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:42,690 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:43:42,690 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:43:42,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-09 10:43:42,690 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:43:42,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:43:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash -860399266, now seen corresponding path program 2 times [2021-11-09 10:43:42,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:43:42,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525670471] [2021-11-09 10:43:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:43:42,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:43:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:43:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:43:51,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:43:51,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525670471] [2021-11-09 10:43:51,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525670471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:43:51,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:43:51,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-11-09 10:43:51,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065427704] [2021-11-09 10:43:51,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-09 10:43:51,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:43:51,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-09 10:43:51,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=2572, Unknown=0, NotChecked=0, Total=2756 [2021-11-09 10:43:51,274 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 255 [2021-11-09 10:43:51,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 534 transitions, 4113 flow. Second operand has 53 states, 53 states have (on average 108.16981132075472) internal successors, (5733), 53 states have internal predecessors, (5733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:43:51,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:43:51,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 255 [2021-11-09 10:43:51,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:44:21,516 INFO L129 PetriNetUnfolder]: 15114/32762 cut-off events. [2021-11-09 10:44:21,516 INFO L130 PetriNetUnfolder]: For 422142/422441 co-relation queries the response was YES. [2021-11-09 10:44:22,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149807 conditions, 32762 events. 15114/32762 cut-off events. For 422142/422441 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 268270 event pairs, 6067 based on Foata normal form. 301/32442 useless extension candidates. Maximal degree in co-relation 149686. Up to 20472 conditions per place. [2021-11-09 10:44:22,453 INFO L132 encePairwiseOnDemand]: 193/255 looper letters, 748 selfloop transitions, 150 changer transitions 32/1030 dead transitions. [2021-11-09 10:44:22,453 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 1030 transitions, 10358 flow [2021-11-09 10:44:22,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-11-09 10:44:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2021-11-09 10:44:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 8909 transitions. [2021-11-09 10:44:22,471 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.44791352438411264 [2021-11-09 10:44:22,471 INFO L72 ComplementDD]: Start complementDD. Operand 78 states and 8909 transitions. [2021-11-09 10:44:22,471 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 8909 transitions. [2021-11-09 10:44:22,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:44:22,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 78 states and 8909 transitions. [2021-11-09 10:44:22,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 79 states, 78 states have (on average 114.21794871794872) internal successors, (8909), 78 states have internal predecessors, (8909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:44:22,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 79 states, 79 states have (on average 255.0) internal successors, (20145), 79 states have internal predecessors, (20145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:44:22,519 INFO L81 ComplementDD]: Finished complementDD. Result has 79 states, 79 states have (on average 255.0) internal successors, (20145), 79 states have internal predecessors, (20145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:44:22,519 INFO L186 Difference]: Start difference. First operand has 511 places, 534 transitions, 4113 flow. Second operand 78 states and 8909 transitions. [2021-11-09 10:44:22,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 1030 transitions, 10358 flow [2021-11-09 10:44:24,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 570 places, 1030 transitions, 10174 flow, removed 41 selfloop flow, removed 18 redundant places. [2021-11-09 10:44:24,672 INFO L242 Difference]: Finished difference. Result has 614 places, 665 transitions, 6414 flow [2021-11-09 10:44:24,672 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=3974, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=534, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=78, PETRI_FLOW=6414, PETRI_PLACES=614, PETRI_TRANSITIONS=665} [2021-11-09 10:44:24,672 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 378 predicate places. [2021-11-09 10:44:24,673 INFO L470 AbstractCegarLoop]: Abstraction has has 614 places, 665 transitions, 6414 flow [2021-11-09 10:44:24,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 108.16981132075472) internal successors, (5733), 53 states have internal predecessors, (5733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:44:24,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:44:24,674 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:44:24,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-09 10:44:24,674 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:44:24,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:44:24,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1025468980, now seen corresponding path program 3 times [2021-11-09 10:44:24,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:44:24,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891185458] [2021-11-09 10:44:24,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:44:24,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:44:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:44:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:44:32,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:44:32,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891185458] [2021-11-09 10:44:32,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891185458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:44:32,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:44:32,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-11-09 10:44:32,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626734986] [2021-11-09 10:44:32,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-09 10:44:32,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:44:32,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-09 10:44:32,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=2580, Unknown=0, NotChecked=0, Total=2756 [2021-11-09 10:44:32,845 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 255 [2021-11-09 10:44:32,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 665 transitions, 6414 flow. Second operand has 53 states, 53 states have (on average 108.16981132075472) internal successors, (5733), 53 states have internal predecessors, (5733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:44:32,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:44:32,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 255 [2021-11-09 10:44:32,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 10:45:10,795 INFO L129 PetriNetUnfolder]: 16936/36649 cut-off events. [2021-11-09 10:45:10,795 INFO L130 PetriNetUnfolder]: For 1621068/1621337 co-relation queries the response was YES. [2021-11-09 10:45:12,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207607 conditions, 36649 events. 16936/36649 cut-off events. For 1621068/1621337 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 307255 event pairs, 5907 based on Foata normal form. 316/36280 useless extension candidates. Maximal degree in co-relation 207443. Up to 19885 conditions per place. [2021-11-09 10:45:12,219 INFO L132 encePairwiseOnDemand]: 192/255 looper letters, 823 selfloop transitions, 292 changer transitions 11/1226 dead transitions. [2021-11-09 10:45:12,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 700 places, 1226 transitions, 14323 flow [2021-11-09 10:45:12,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-11-09 10:45:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-11-09 10:45:12,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 9953 transitions. [2021-11-09 10:45:12,254 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.44863646608068514 [2021-11-09 10:45:12,255 INFO L72 ComplementDD]: Start complementDD. Operand 87 states and 9953 transitions. [2021-11-09 10:45:12,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 9953 transitions. [2021-11-09 10:45:12,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 10:45:12,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 87 states and 9953 transitions. [2021-11-09 10:45:12,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 88 states, 87 states have (on average 114.40229885057471) internal successors, (9953), 87 states have internal predecessors, (9953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:45:12,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 88 states, 88 states have (on average 255.0) internal successors, (22440), 88 states have internal predecessors, (22440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:45:12,312 INFO L81 ComplementDD]: Finished complementDD. Result has 88 states, 88 states have (on average 255.0) internal successors, (22440), 88 states have internal predecessors, (22440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:45:12,312 INFO L186 Difference]: Start difference. First operand has 614 places, 665 transitions, 6414 flow. Second operand 87 states and 9953 transitions. [2021-11-09 10:45:12,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 700 places, 1226 transitions, 14323 flow [2021-11-09 10:45:18,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 689 places, 1226 transitions, 13186 flow, removed 554 selfloop flow, removed 11 redundant places. [2021-11-09 10:45:18,956 INFO L242 Difference]: Finished difference. Result has 730 places, 791 transitions, 8170 flow [2021-11-09 10:45:18,957 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=5383, PETRI_DIFFERENCE_MINUEND_PLACES=603, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=665, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=183, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=87, PETRI_FLOW=8170, PETRI_PLACES=730, PETRI_TRANSITIONS=791} [2021-11-09 10:45:18,957 INFO L334 CegarLoopForPetriNet]: 236 programPoint places, 494 predicate places. [2021-11-09 10:45:18,957 INFO L470 AbstractCegarLoop]: Abstraction has has 730 places, 791 transitions, 8170 flow [2021-11-09 10:45:18,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 108.16981132075472) internal successors, (5733), 53 states have internal predecessors, (5733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:45:18,958 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 10:45:18,958 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 10:45:18,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-09 10:45:18,958 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-09 10:45:18,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 10:45:18,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1782428874, now seen corresponding path program 4 times [2021-11-09 10:45:18,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 10:45:18,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734996994] [2021-11-09 10:45:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 10:45:18,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 10:45:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 10:45:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 10:45:28,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 10:45:28,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734996994] [2021-11-09 10:45:28,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734996994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 10:45:28,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 10:45:28,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-11-09 10:45:28,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315635359] [2021-11-09 10:45:28,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2021-11-09 10:45:28,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 10:45:28,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-11-09 10:45:28,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=2585, Unknown=0, NotChecked=0, Total=2756 [2021-11-09 10:45:28,956 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 255 [2021-11-09 10:45:28,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 730 places, 791 transitions, 8170 flow. Second operand has 53 states, 53 states have (on average 108.16981132075472) internal successors, (5733), 53 states have internal predecessors, (5733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 10:45:28,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 10:45:28,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 255 [2021-11-09 10:45:28,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand