./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:43:01,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:43:01,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:43:01,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:43:01,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:43:01,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:43:01,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:43:01,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:43:01,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:43:01,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:43:01,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:43:01,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:43:01,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:43:01,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:43:01,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:43:01,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:43:01,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:43:01,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:43:01,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:43:01,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:43:01,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:43:01,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:43:01,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:43:01,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:43:01,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:43:01,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:43:01,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:43:01,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:43:01,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:43:01,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:43:01,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:43:01,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:43:01,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:43:01,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:43:01,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:43:01,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:43:01,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:43:01,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:43:01,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:43:01,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:43:01,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:43:01,242 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:43:01,275 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:43:01,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:43:01,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:43:01,276 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:43:01,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:43:01,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:43:01,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:43:01,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:43:01,278 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:43:01,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:43:01,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:43:01,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:43:01,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:43:01,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:43:01,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:43:01,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:43:01,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:43:01,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:43:01,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:43:01,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:43:01,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:43:01,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:43:01,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:43:01,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:43:01,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:43:01,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:43:01,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:43:01,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:43:01,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:43:01,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:43:01,283 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:43:01,283 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:43:01,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:43:01,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:43:01,284 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b [2021-12-17 22:43:01,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:43:01,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:43:01,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:43:01,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:43:01,480 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:43:01,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-12-17 22:43:01,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b27c929/c95a42cc5aa44882b7a3931b1aa0f375/FLAG159239225 [2021-12-17 22:43:02,014 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:43:02,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-12-17 22:43:02,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b27c929/c95a42cc5aa44882b7a3931b1aa0f375/FLAG159239225 [2021-12-17 22:43:02,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b27c929/c95a42cc5aa44882b7a3931b1aa0f375 [2021-12-17 22:43:02,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:43:02,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:43:02,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:43:02,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:43:02,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:43:02,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cacbbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02, skipping insertion in model container [2021-12-17 22:43:02,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:43:02,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:43:02,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-12-17 22:43:02,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:43:02,607 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:43:02,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-12-17 22:43:02,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:43:02,633 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:43:02,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02 WrapperNode [2021-12-17 22:43:02,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:43:02,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:43:02,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:43:02,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:43:02,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,683 INFO L137 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 217 [2021-12-17 22:43:02,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:43:02,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:43:02,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:43:02,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:43:02,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:43:02,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:43:02,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:43:02,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:43:02,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (1/1) ... [2021-12-17 22:43:02,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:43:02,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:43:02,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 22:43:02,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 22:43:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:43:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-17 22:43:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-17 22:43:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-17 22:43:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-17 22:43:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-17 22:43:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-17 22:43:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 22:43:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:43:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 22:43:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:43:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:43:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 22:43:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:43:02,792 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:43:02,874 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:43:02,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:43:03,157 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:43:03,173 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:43:03,173 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-17 22:43:03,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:43:03 BoogieIcfgContainer [2021-12-17 22:43:03,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 22:43:03,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 22:43:03,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 22:43:03,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 22:43:03,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:43:02" (1/3) ... [2021-12-17 22:43:03,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700eb6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:43:03, skipping insertion in model container [2021-12-17 22:43:03,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:43:02" (2/3) ... [2021-12-17 22:43:03,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700eb6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:43:03, skipping insertion in model container [2021-12-17 22:43:03,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:43:03" (3/3) ... [2021-12-17 22:43:03,181 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2021-12-17 22:43:03,185 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-17 22:43:03,185 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 22:43:03,186 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 22:43:03,186 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-17 22:43:03,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,221 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,221 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,221 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,221 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,221 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,221 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,221 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,221 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,223 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,245 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,246 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,247 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,248 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,260 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,261 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,267 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,273 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,295 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,296 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,302 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,303 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,304 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,304 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,304 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,304 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,304 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:43:03,309 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-17 22:43:03,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:43:03,352 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 22:43:03,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-17 22:43:03,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 278 transitions, 580 flow [2021-12-17 22:43:03,452 INFO L129 PetriNetUnfolder]: 25/275 cut-off events. [2021-12-17 22:43:03,452 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-17 22:43:03,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 275 events. 25/275 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 746 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2021-12-17 22:43:03,461 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 278 transitions, 580 flow [2021-12-17 22:43:03,467 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 264 transitions, 546 flow [2021-12-17 22:43:03,516 INFO L129 PetriNetUnfolder]: 25/263 cut-off events. [2021-12-17 22:43:03,516 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-17 22:43:03,516 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:03,517 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:03,517 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:03,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:03,521 INFO L85 PathProgramCache]: Analyzing trace with hash -802081389, now seen corresponding path program 1 times [2021-12-17 22:43:03,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:03,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012559592] [2021-12-17 22:43:03,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:03,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:03,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:03,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:03,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012559592] [2021-12-17 22:43:03,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012559592] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:03,731 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:03,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:03,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166136444] [2021-12-17 22:43:03,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:03,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:03,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:03,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:03,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:03,762 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-17 22:43:03,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 264 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:03,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:03,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-17 22:43:03,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:03,984 INFO L129 PetriNetUnfolder]: 113/997 cut-off events. [2021-12-17 22:43:03,984 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-12-17 22:43:03,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1175 conditions, 997 events. 113/997 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6897 event pairs, 26 based on Foata normal form. 55/939 useless extension candidates. Maximal degree in co-relation 963. Up to 74 conditions per place. [2021-12-17 22:43:03,999 INFO L132 encePairwiseOnDemand]: 261/278 looper letters, 18 selfloop transitions, 6 changer transitions 1/265 dead transitions. [2021-12-17 22:43:03,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 265 transitions, 608 flow [2021-12-17 22:43:04,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:04,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 800 transitions. [2021-12-17 22:43:04,013 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9592326139088729 [2021-12-17 22:43:04,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 800 transitions. [2021-12-17 22:43:04,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 800 transitions. [2021-12-17 22:43:04,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:04,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 800 transitions. [2021-12-17 22:43:04,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,031 INFO L186 Difference]: Start difference. First operand has 249 places, 264 transitions, 546 flow. Second operand 3 states and 800 transitions. [2021-12-17 22:43:04,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 265 transitions, 608 flow [2021-12-17 22:43:04,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 265 transitions, 588 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-17 22:43:04,045 INFO L242 Difference]: Finished difference. Result has 247 places, 260 transitions, 566 flow [2021-12-17 22:43:04,047 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=566, PETRI_PLACES=247, PETRI_TRANSITIONS=260} [2021-12-17 22:43:04,051 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, -2 predicate places. [2021-12-17 22:43:04,051 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 260 transitions, 566 flow [2021-12-17 22:43:04,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,051 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:04,052 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:04,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 22:43:04,052 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:04,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1464503203, now seen corresponding path program 1 times [2021-12-17 22:43:04,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:04,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122870796] [2021-12-17 22:43:04,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:04,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:04,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:04,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122870796] [2021-12-17 22:43:04,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122870796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:04,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:04,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:04,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441383441] [2021-12-17 22:43:04,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:04,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:04,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:04,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:04,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:04,211 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-17 22:43:04,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 260 transitions, 566 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:04,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-17 22:43:04,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:04,424 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([843] thread3EXIT-->L80-2: Formula: (and (= v_thread3Thread1of1ForFork1_thidvar3_4 0) (= v_thread3Thread1of1ForFork1_thidvar2_4 0) (= v_thread3Thread1of1ForFork1_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem39#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread3Thread1of1ForFork1_thidvar1_4 0)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][257], [17#L80-2true, 268#(= ~isNull_6~0 (* 256 (div ~isNull_6~0 256))), 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 266#true]) [2021-12-17 22:43:04,425 INFO L384 tUnfolder$Statistics]: this new event has 116 ancestors and is not cut-off event [2021-12-17 22:43:04,425 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-17 22:43:04,425 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-17 22:43:04,425 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-17 22:43:04,426 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([843] thread3EXIT-->L80-2: Formula: (and (= v_thread3Thread1of1ForFork1_thidvar3_4 0) (= v_thread3Thread1of1ForFork1_thidvar2_4 0) (= v_thread3Thread1of1ForFork1_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem39#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread3Thread1of1ForFork1_thidvar1_4 0)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][257], [17#L80-2true, 268#(= ~isNull_6~0 (* 256 (div ~isNull_6~0 256))), 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 266#true]) [2021-12-17 22:43:04,426 INFO L384 tUnfolder$Statistics]: this new event has 120 ancestors and is cut-off event [2021-12-17 22:43:04,426 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-17 22:43:04,426 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-17 22:43:04,426 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-17 22:43:04,426 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-17 22:43:04,434 INFO L129 PetriNetUnfolder]: 173/2319 cut-off events. [2021-12-17 22:43:04,434 INFO L130 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2021-12-17 22:43:04,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2551 conditions, 2319 events. 173/2319 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 21879 event pairs, 25 based on Foata normal form. 0/2095 useless extension candidates. Maximal degree in co-relation 1196. Up to 72 conditions per place. [2021-12-17 22:43:04,450 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 15 selfloop transitions, 4 changer transitions 0/267 dead transitions. [2021-12-17 22:43:04,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 267 transitions, 623 flow [2021-12-17 22:43:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:04,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-17 22:43:04,452 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-17 22:43:04,452 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-17 22:43:04,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-17 22:43:04,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:04,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-17 22:43:04,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,457 INFO L186 Difference]: Start difference. First operand has 247 places, 260 transitions, 566 flow. Second operand 3 states and 795 transitions. [2021-12-17 22:43:04,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 267 transitions, 623 flow [2021-12-17 22:43:04,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 267 transitions, 611 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-17 22:43:04,464 INFO L242 Difference]: Finished difference. Result has 248 places, 262 transitions, 582 flow [2021-12-17 22:43:04,464 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=248, PETRI_TRANSITIONS=262} [2021-12-17 22:43:04,465 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, -1 predicate places. [2021-12-17 22:43:04,465 INFO L470 AbstractCegarLoop]: Abstraction has has 248 places, 262 transitions, 582 flow [2021-12-17 22:43:04,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,466 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:04,466 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:04,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 22:43:04,467 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:04,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:04,467 INFO L85 PathProgramCache]: Analyzing trace with hash 584730219, now seen corresponding path program 1 times [2021-12-17 22:43:04,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:04,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761384793] [2021-12-17 22:43:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:04,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:04,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:04,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761384793] [2021-12-17 22:43:04,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761384793] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:04,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:04,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:43:04,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861075319] [2021-12-17 22:43:04,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:04,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:43:04,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:04,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:43:04,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:43:04,674 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-12-17 22:43:04,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 262 transitions, 582 flow. Second operand has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:04,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:04,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-12-17 22:43:04,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:04,897 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,898 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,898 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,898 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,898 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,901 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,901 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,901 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,901 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,901 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,901 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,902 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,902 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,902 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-17 22:43:04,902 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-17 22:43:04,902 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-17 22:43:04,905 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,905 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,905 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,905 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,905 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,906 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,906 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,906 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,906 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,906 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,906 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,906 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,911 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,911 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,911 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-17 22:43:04,912 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,912 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-17 22:43:04,912 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-17 22:43:04,912 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,912 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,912 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,912 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,912 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,913 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,913 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,913 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,913 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,913 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,913 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,913 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,914 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,914 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,916 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,916 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,916 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,916 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,916 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,916 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,916 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,917 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-17 22:43:04,917 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-17 22:43:04,917 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,917 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,917 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,917 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,917 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,918 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,918 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,919 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,919 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,919 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,919 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,919 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,926 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,926 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,926 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,927 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,927 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,927 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,927 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,927 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,927 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [278#true, 69#L56-30true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,927 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,928 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,928 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,928 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,928 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,928 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-17 22:43:04,928 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,928 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-17 22:43:04,930 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,930 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,930 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,930 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,930 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,931 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,933 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,933 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,933 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,933 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,933 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,934 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,934 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,944 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,944 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,944 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,945 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,945 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,951 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,951 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,951 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,951 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,951 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,951 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,952 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,952 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,952 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,952 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,952 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,953 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,953 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,953 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-17 22:43:04,953 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,953 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,953 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-17 22:43:04,955 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,955 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,955 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,955 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,955 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,955 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,957 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-17 22:43:04,957 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,957 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,958 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,958 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,958 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,958 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,979 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,980 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,980 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,980 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,980 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,980 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,980 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,980 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,981 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-17 22:43:04,981 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,981 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,981 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,981 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,981 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,981 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-17 22:43:04,981 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-17 22:43:04,982 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-17 22:43:05,094 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,094 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,095 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,095 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,095 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,098 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,098 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,098 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,098 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,098 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,098 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,098 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,099 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-17 22:43:05,099 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,099 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,099 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-17 22:43:05,099 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,099 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-17 22:43:05,099 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,100 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,100 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-17 22:43:05,100 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-17 22:43:05,101 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,101 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,101 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,101 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,101 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,102 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,102 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,105 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-17 22:43:05,105 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,105 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,106 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,106 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,110 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-17 22:43:05,110 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,110 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,110 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,110 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,110 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,110 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,111 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,111 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,111 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,111 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,111 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,111 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,111 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,111 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,112 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,112 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,112 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,112 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,112 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,112 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-17 22:43:05,112 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,112 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-17 22:43:05,114 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-17 22:43:05,114 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,114 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,114 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,114 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,114 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,114 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,118 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,118 INFO L384 tUnfolder$Statistics]: this new event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,118 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,118 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,119 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,145 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,146 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,146 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,146 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,146 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,146 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,147 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-17 22:43:05,147 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,147 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,147 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,147 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,147 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,147 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,147 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,148 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-17 22:43:05,148 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,148 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,148 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,148 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,148 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,148 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,148 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-17 22:43:05,148 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-17 22:43:05,150 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,150 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,150 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,150 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,150 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,150 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,151 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,155 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,155 INFO L384 tUnfolder$Statistics]: this new event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,155 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,155 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,155 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,158 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,158 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,158 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,159 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,159 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,159 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,159 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,159 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,159 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,159 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,159 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,160 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,160 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,160 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,160 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,160 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,160 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,160 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,161 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,161 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,161 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,161 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-17 22:43:05,161 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-17 22:43:05,162 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,163 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,163 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,163 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,163 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,163 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,163 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,169 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,169 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,170 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,170 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,170 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,170 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,170 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,170 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,170 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-17 22:43:05,170 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,171 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,171 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,171 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,171 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,171 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-17 22:43:05,171 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,171 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-17 22:43:05,209 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-17 22:43:05,209 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,209 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,209 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,209 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,210 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-17 22:43:05,210 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,210 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,210 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,211 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,211 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,212 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-17 22:43:05,213 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,213 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,213 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,213 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,213 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,213 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,213 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-17 22:43:05,213 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,214 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,214 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,214 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,214 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,214 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,214 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,214 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-17 22:43:05,214 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,215 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,215 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,215 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,215 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,215 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-17 22:43:05,215 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,215 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-17 22:43:05,254 INFO L129 PetriNetUnfolder]: 1007/4694 cut-off events. [2021-12-17 22:43:05,254 INFO L130 PetriNetUnfolder]: For 217/217 co-relation queries the response was YES. [2021-12-17 22:43:05,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6406 conditions, 4694 events. 1007/4694 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 51165 event pairs, 316 based on Foata normal form. 4/4187 useless extension candidates. Maximal degree in co-relation 4096. Up to 1022 conditions per place. [2021-12-17 22:43:05,287 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 34 selfloop transitions, 15 changer transitions 4/293 dead transitions. [2021-12-17 22:43:05,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 293 transitions, 762 flow [2021-12-17 22:43:05,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:43:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:43:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2277 transitions. [2021-12-17 22:43:05,291 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9100719424460432 [2021-12-17 22:43:05,291 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2277 transitions. [2021-12-17 22:43:05,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2277 transitions. [2021-12-17 22:43:05,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:05,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2277 transitions. [2021-12-17 22:43:05,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 253.0) internal successors, (2277), 9 states have internal predecessors, (2277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,300 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,300 INFO L186 Difference]: Start difference. First operand has 248 places, 262 transitions, 582 flow. Second operand 9 states and 2277 transitions. [2021-12-17 22:43:05,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 293 transitions, 762 flow [2021-12-17 22:43:05,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 293 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-17 22:43:05,304 INFO L242 Difference]: Finished difference. Result has 261 places, 274 transitions, 678 flow [2021-12-17 22:43:05,304 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=678, PETRI_PLACES=261, PETRI_TRANSITIONS=274} [2021-12-17 22:43:05,305 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 12 predicate places. [2021-12-17 22:43:05,305 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 274 transitions, 678 flow [2021-12-17 22:43:05,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,306 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:05,306 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:05,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 22:43:05,306 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:05,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:05,307 INFO L85 PathProgramCache]: Analyzing trace with hash 353464671, now seen corresponding path program 1 times [2021-12-17 22:43:05,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:05,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729885776] [2021-12-17 22:43:05,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:05,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:05,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:05,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729885776] [2021-12-17 22:43:05,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729885776] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:05,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:05,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:05,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542726664] [2021-12-17 22:43:05,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:05,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:05,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:05,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:05,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:05,376 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-17 22:43:05,377 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 274 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:05,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-17 22:43:05,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:05,611 INFO L129 PetriNetUnfolder]: 327/2667 cut-off events. [2021-12-17 22:43:05,611 INFO L130 PetriNetUnfolder]: For 516/698 co-relation queries the response was YES. [2021-12-17 22:43:05,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3730 conditions, 2667 events. 327/2667 cut-off events. For 516/698 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 26314 event pairs, 70 based on Foata normal form. 0/2404 useless extension candidates. Maximal degree in co-relation 3702. Up to 155 conditions per place. [2021-12-17 22:43:05,632 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 24 selfloop transitions, 4 changer transitions 0/282 dead transitions. [2021-12-17 22:43:05,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 282 transitions, 762 flow [2021-12-17 22:43:05,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-17 22:43:05,634 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-17 22:43:05,634 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-17 22:43:05,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-17 22:43:05,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:05,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-17 22:43:05,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,638 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,638 INFO L186 Difference]: Start difference. First operand has 261 places, 274 transitions, 678 flow. Second operand 3 states and 790 transitions. [2021-12-17 22:43:05,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 282 transitions, 762 flow [2021-12-17 22:43:05,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 282 transitions, 758 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-17 22:43:05,645 INFO L242 Difference]: Finished difference. Result has 261 places, 278 transitions, 722 flow [2021-12-17 22:43:05,645 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=261, PETRI_TRANSITIONS=278} [2021-12-17 22:43:05,645 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 12 predicate places. [2021-12-17 22:43:05,646 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 278 transitions, 722 flow [2021-12-17 22:43:05,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,646 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:05,646 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:05,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 22:43:05,647 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:05,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:05,647 INFO L85 PathProgramCache]: Analyzing trace with hash 541551261, now seen corresponding path program 1 times [2021-12-17 22:43:05,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:05,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075245973] [2021-12-17 22:43:05,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:05,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:05,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:05,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:05,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075245973] [2021-12-17 22:43:05,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075245973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:05,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:05,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:43:05,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826693282] [2021-12-17 22:43:05,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:05,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:43:05,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:05,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:43:05,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:43:05,711 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-17 22:43:05,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 278 transitions, 722 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:05,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:05,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-17 22:43:05,713 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:05,989 INFO L129 PetriNetUnfolder]: 345/2282 cut-off events. [2021-12-17 22:43:05,989 INFO L130 PetriNetUnfolder]: For 632/960 co-relation queries the response was YES. [2021-12-17 22:43:06,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3603 conditions, 2282 events. 345/2282 cut-off events. For 632/960 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 22179 event pairs, 116 based on Foata normal form. 6/2045 useless extension candidates. Maximal degree in co-relation 2323. Up to 474 conditions per place. [2021-12-17 22:43:06,008 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 25 selfloop transitions, 5 changer transitions 9/296 dead transitions. [2021-12-17 22:43:06,008 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 296 transitions, 855 flow [2021-12-17 22:43:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:43:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:43:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2296 transitions. [2021-12-17 22:43:06,012 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9176658673061551 [2021-12-17 22:43:06,012 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2296 transitions. [2021-12-17 22:43:06,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2296 transitions. [2021-12-17 22:43:06,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:06,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2296 transitions. [2021-12-17 22:43:06,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.11111111111111) internal successors, (2296), 9 states have internal predecessors, (2296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,019 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,019 INFO L186 Difference]: Start difference. First operand has 261 places, 278 transitions, 722 flow. Second operand 9 states and 2296 transitions. [2021-12-17 22:43:06,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 296 transitions, 855 flow [2021-12-17 22:43:06,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 296 transitions, 843 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-12-17 22:43:06,024 INFO L242 Difference]: Finished difference. Result has 275 places, 282 transitions, 757 flow [2021-12-17 22:43:06,024 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=757, PETRI_PLACES=275, PETRI_TRANSITIONS=282} [2021-12-17 22:43:06,025 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 26 predicate places. [2021-12-17 22:43:06,025 INFO L470 AbstractCegarLoop]: Abstraction has has 275 places, 282 transitions, 757 flow [2021-12-17 22:43:06,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,025 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:06,026 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:06,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 22:43:06,026 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:06,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:06,026 INFO L85 PathProgramCache]: Analyzing trace with hash 515963671, now seen corresponding path program 1 times [2021-12-17 22:43:06,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:06,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906406425] [2021-12-17 22:43:06,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:06,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:06,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:06,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906406425] [2021-12-17 22:43:06,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906406425] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:06,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:06,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:06,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782283834] [2021-12-17 22:43:06,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:06,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:06,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:06,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:06,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:06,054 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-17 22:43:06,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 282 transitions, 757 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:06,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-17 22:43:06,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:06,222 INFO L129 PetriNetUnfolder]: 171/2079 cut-off events. [2021-12-17 22:43:06,222 INFO L130 PetriNetUnfolder]: For 567/713 co-relation queries the response was YES. [2021-12-17 22:43:06,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3094 conditions, 2079 events. 171/2079 cut-off events. For 567/713 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 19308 event pairs, 46 based on Foata normal form. 0/1941 useless extension candidates. Maximal degree in co-relation 3063. Up to 116 conditions per place. [2021-12-17 22:43:06,240 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 19 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2021-12-17 22:43:06,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 289 transitions, 822 flow [2021-12-17 22:43:06,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-17 22:43:06,242 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-17 22:43:06,242 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-17 22:43:06,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-17 22:43:06,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:06,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-17 22:43:06,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,245 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,245 INFO L186 Difference]: Start difference. First operand has 275 places, 282 transitions, 757 flow. Second operand 3 states and 795 transitions. [2021-12-17 22:43:06,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 289 transitions, 822 flow [2021-12-17 22:43:06,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 289 transitions, 817 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-12-17 22:43:06,252 INFO L242 Difference]: Finished difference. Result has 274 places, 284 transitions, 776 flow [2021-12-17 22:43:06,252 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=274, PETRI_TRANSITIONS=284} [2021-12-17 22:43:06,253 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 25 predicate places. [2021-12-17 22:43:06,253 INFO L470 AbstractCegarLoop]: Abstraction has has 274 places, 284 transitions, 776 flow [2021-12-17 22:43:06,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,254 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:06,254 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:06,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 22:43:06,254 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:06,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:06,255 INFO L85 PathProgramCache]: Analyzing trace with hash 800860355, now seen corresponding path program 1 times [2021-12-17 22:43:06,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:06,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749448932] [2021-12-17 22:43:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:06,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:06,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:06,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749448932] [2021-12-17 22:43:06,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749448932] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:06,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:06,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 22:43:06,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64917027] [2021-12-17 22:43:06,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:06,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 22:43:06,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:06,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 22:43:06,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-17 22:43:06,397 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-12-17 22:43:06,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 284 transitions, 776 flow. Second operand has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:06,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-12-17 22:43:06,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:06,673 INFO L129 PetriNetUnfolder]: 412/2335 cut-off events. [2021-12-17 22:43:06,674 INFO L130 PetriNetUnfolder]: For 2393/2704 co-relation queries the response was YES. [2021-12-17 22:43:06,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4696 conditions, 2335 events. 412/2335 cut-off events. For 2393/2704 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 22613 event pairs, 106 based on Foata normal form. 30/2166 useless extension candidates. Maximal degree in co-relation 4562. Up to 295 conditions per place. [2021-12-17 22:43:06,702 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 32 selfloop transitions, 9 changer transitions 12/302 dead transitions. [2021-12-17 22:43:06,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 302 transitions, 982 flow [2021-12-17 22:43:06,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 22:43:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-17 22:43:06,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2020 transitions. [2021-12-17 22:43:06,706 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.908273381294964 [2021-12-17 22:43:06,707 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2020 transitions. [2021-12-17 22:43:06,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2020 transitions. [2021-12-17 22:43:06,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:06,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2020 transitions. [2021-12-17 22:43:06,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 252.5) internal successors, (2020), 8 states have internal predecessors, (2020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 278.0) internal successors, (2502), 9 states have internal predecessors, (2502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,715 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 278.0) internal successors, (2502), 9 states have internal predecessors, (2502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,715 INFO L186 Difference]: Start difference. First operand has 274 places, 284 transitions, 776 flow. Second operand 8 states and 2020 transitions. [2021-12-17 22:43:06,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 302 transitions, 982 flow [2021-12-17 22:43:06,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 302 transitions, 976 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-17 22:43:06,727 INFO L242 Difference]: Finished difference. Result has 283 places, 281 transitions, 782 flow [2021-12-17 22:43:06,727 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=782, PETRI_PLACES=283, PETRI_TRANSITIONS=281} [2021-12-17 22:43:06,728 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 34 predicate places. [2021-12-17 22:43:06,728 INFO L470 AbstractCegarLoop]: Abstraction has has 283 places, 281 transitions, 782 flow [2021-12-17 22:43:06,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,729 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:06,729 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:06,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 22:43:06,729 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:06,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:06,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1122775931, now seen corresponding path program 1 times [2021-12-17 22:43:06,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:06,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108047139] [2021-12-17 22:43:06,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:06,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:06,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:06,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108047139] [2021-12-17 22:43:06,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108047139] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:06,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:06,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:06,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927798431] [2021-12-17 22:43:06,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:06,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:06,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:06,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:06,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:06,764 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-17 22:43:06,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 281 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:06,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:06,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-17 22:43:06,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:07,083 INFO L129 PetriNetUnfolder]: 243/3303 cut-off events. [2021-12-17 22:43:07,083 INFO L130 PetriNetUnfolder]: For 844/1013 co-relation queries the response was YES. [2021-12-17 22:43:07,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5043 conditions, 3303 events. 243/3303 cut-off events. For 844/1013 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 35864 event pairs, 65 based on Foata normal form. 0/3056 useless extension candidates. Maximal degree in co-relation 4998. Up to 169 conditions per place. [2021-12-17 22:43:07,109 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 18 selfloop transitions, 3 changer transitions 1/289 dead transitions. [2021-12-17 22:43:07,109 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 289 transitions, 847 flow [2021-12-17 22:43:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:07,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-17 22:43:07,111 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-17 22:43:07,111 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-17 22:43:07,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-17 22:43:07,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:07,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-17 22:43:07,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,113 INFO L186 Difference]: Start difference. First operand has 283 places, 281 transitions, 782 flow. Second operand 3 states and 793 transitions. [2021-12-17 22:43:07,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 289 transitions, 847 flow [2021-12-17 22:43:07,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 289 transitions, 824 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-12-17 22:43:07,122 INFO L242 Difference]: Finished difference. Result has 278 places, 283 transitions, 785 flow [2021-12-17 22:43:07,122 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2021-12-17 22:43:07,123 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 29 predicate places. [2021-12-17 22:43:07,123 INFO L470 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 785 flow [2021-12-17 22:43:07,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,123 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:07,123 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:07,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 22:43:07,123 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:07,124 INFO L85 PathProgramCache]: Analyzing trace with hash 131068539, now seen corresponding path program 2 times [2021-12-17 22:43:07,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:07,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485580261] [2021-12-17 22:43:07,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:07,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:07,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:07,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485580261] [2021-12-17 22:43:07,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485580261] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:07,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:07,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:07,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932706748] [2021-12-17 22:43:07,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:07,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:07,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:07,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:07,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:07,148 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-17 22:43:07,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 785 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:07,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-17 22:43:07,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:07,404 INFO L129 PetriNetUnfolder]: 191/2884 cut-off events. [2021-12-17 22:43:07,404 INFO L130 PetriNetUnfolder]: For 722/840 co-relation queries the response was YES. [2021-12-17 22:43:07,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4264 conditions, 2884 events. 191/2884 cut-off events. For 722/840 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 30333 event pairs, 57 based on Foata normal form. 14/2712 useless extension candidates. Maximal degree in co-relation 4081. Up to 131 conditions per place. [2021-12-17 22:43:07,421 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 18 selfloop transitions, 5 changer transitions 2/291 dead transitions. [2021-12-17 22:43:07,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 291 transitions, 860 flow [2021-12-17 22:43:07,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-17 22:43:07,423 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-17 22:43:07,423 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-17 22:43:07,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-17 22:43:07,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:07,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-17 22:43:07,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,426 INFO L186 Difference]: Start difference. First operand has 278 places, 283 transitions, 785 flow. Second operand 3 states and 793 transitions. [2021-12-17 22:43:07,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 291 transitions, 860 flow [2021-12-17 22:43:07,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 291 transitions, 857 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-17 22:43:07,433 INFO L242 Difference]: Finished difference. Result has 281 places, 284 transitions, 817 flow [2021-12-17 22:43:07,434 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=817, PETRI_PLACES=281, PETRI_TRANSITIONS=284} [2021-12-17 22:43:07,434 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 32 predicate places. [2021-12-17 22:43:07,434 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 284 transitions, 817 flow [2021-12-17 22:43:07,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,435 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:07,435 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:07,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 22:43:07,435 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:07,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:07,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1689771465, now seen corresponding path program 1 times [2021-12-17 22:43:07,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:07,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815899086] [2021-12-17 22:43:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:07,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:07,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:07,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815899086] [2021-12-17 22:43:07,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815899086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:07,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:07,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:43:07,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049237304] [2021-12-17 22:43:07,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:07,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:43:07,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:07,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:43:07,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:43:07,485 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-17 22:43:07,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 284 transitions, 817 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:07,486 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-17 22:43:07,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:07,756 INFO L129 PetriNetUnfolder]: 215/2364 cut-off events. [2021-12-17 22:43:07,756 INFO L130 PetriNetUnfolder]: For 600/791 co-relation queries the response was YES. [2021-12-17 22:43:07,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3695 conditions, 2364 events. 215/2364 cut-off events. For 600/791 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 24801 event pairs, 93 based on Foata normal form. 8/2205 useless extension candidates. Maximal degree in co-relation 3527. Up to 245 conditions per place. [2021-12-17 22:43:07,778 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 26 selfloop transitions, 5 changer transitions 13/303 dead transitions. [2021-12-17 22:43:07,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 303 transitions, 959 flow [2021-12-17 22:43:07,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:43:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:43:07,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2297 transitions. [2021-12-17 22:43:07,782 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180655475619505 [2021-12-17 22:43:07,782 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2297 transitions. [2021-12-17 22:43:07,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2297 transitions. [2021-12-17 22:43:07,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:07,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2297 transitions. [2021-12-17 22:43:07,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.22222222222223) internal successors, (2297), 9 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,790 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,790 INFO L186 Difference]: Start difference. First operand has 281 places, 284 transitions, 817 flow. Second operand 9 states and 2297 transitions. [2021-12-17 22:43:07,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 303 transitions, 959 flow [2021-12-17 22:43:07,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 303 transitions, 943 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-12-17 22:43:07,798 INFO L242 Difference]: Finished difference. Result has 293 places, 285 transitions, 836 flow [2021-12-17 22:43:07,798 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=836, PETRI_PLACES=293, PETRI_TRANSITIONS=285} [2021-12-17 22:43:07,798 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 44 predicate places. [2021-12-17 22:43:07,799 INFO L470 AbstractCegarLoop]: Abstraction has has 293 places, 285 transitions, 836 flow [2021-12-17 22:43:07,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,800 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:07,800 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:07,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 22:43:07,800 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1989589058, now seen corresponding path program 1 times [2021-12-17 22:43:07,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:07,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723993354] [2021-12-17 22:43:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:07,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:07,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:07,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723993354] [2021-12-17 22:43:07,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723993354] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:07,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:07,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:43:07,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327981247] [2021-12-17 22:43:07,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:07,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:43:07,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:07,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:43:07,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:43:07,854 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-17 22:43:07,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 285 transitions, 836 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:07,856 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:07,856 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-17 22:43:07,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:08,086 INFO L129 PetriNetUnfolder]: 111/1699 cut-off events. [2021-12-17 22:43:08,086 INFO L130 PetriNetUnfolder]: For 431/558 co-relation queries the response was YES. [2021-12-17 22:43:08,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2568 conditions, 1699 events. 111/1699 cut-off events. For 431/558 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 16254 event pairs, 21 based on Foata normal form. 15/1599 useless extension candidates. Maximal degree in co-relation 2536. Up to 74 conditions per place. [2021-12-17 22:43:08,108 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 27 selfloop transitions, 5 changer transitions 5/305 dead transitions. [2021-12-17 22:43:08,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 305 transitions, 979 flow [2021-12-17 22:43:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:43:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:43:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2297 transitions. [2021-12-17 22:43:08,113 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180655475619505 [2021-12-17 22:43:08,113 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2297 transitions. [2021-12-17 22:43:08,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2297 transitions. [2021-12-17 22:43:08,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:08,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2297 transitions. [2021-12-17 22:43:08,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.22222222222223) internal successors, (2297), 9 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:08,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:08,120 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:08,121 INFO L186 Difference]: Start difference. First operand has 293 places, 285 transitions, 836 flow. Second operand 9 states and 2297 transitions. [2021-12-17 22:43:08,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 305 transitions, 979 flow [2021-12-17 22:43:08,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 305 transitions, 959 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-12-17 22:43:08,132 INFO L242 Difference]: Finished difference. Result has 301 places, 289 transitions, 867 flow [2021-12-17 22:43:08,132 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=867, PETRI_PLACES=301, PETRI_TRANSITIONS=289} [2021-12-17 22:43:08,132 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 52 predicate places. [2021-12-17 22:43:08,132 INFO L470 AbstractCegarLoop]: Abstraction has has 301 places, 289 transitions, 867 flow [2021-12-17 22:43:08,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:08,133 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:08,133 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] [2021-12-17 22:43:08,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 22:43:08,134 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:08,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:08,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1572562324, now seen corresponding path program 1 times [2021-12-17 22:43:08,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:08,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651324881] [2021-12-17 22:43:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:08,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:08,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:08,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651324881] [2021-12-17 22:43:08,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651324881] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:08,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:08,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 22:43:08,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670680001] [2021-12-17 22:43:08,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:08,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:43:08,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:08,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:43:08,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-17 22:43:08,242 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 278 [2021-12-17 22:43:08,243 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 289 transitions, 867 flow. Second operand has 9 states, 9 states have (on average 243.66666666666666) internal successors, (2193), 9 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) [2021-12-17 22:43:08,244 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:08,244 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 278 [2021-12-17 22:43:08,244 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:08,757 INFO L129 PetriNetUnfolder]: 677/3573 cut-off events. [2021-12-17 22:43:08,757 INFO L130 PetriNetUnfolder]: For 4498/4825 co-relation queries the response was YES. [2021-12-17 22:43:08,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7749 conditions, 3573 events. 677/3573 cut-off events. For 4498/4825 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 39085 event pairs, 419 based on Foata normal form. 49/3345 useless extension candidates. Maximal degree in co-relation 7713. Up to 978 conditions per place. [2021-12-17 22:43:08,789 INFO L132 encePairwiseOnDemand]: 262/278 looper letters, 69 selfloop transitions, 30 changer transitions 4/351 dead transitions. [2021-12-17 22:43:08,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 351 transitions, 1425 flow [2021-12-17 22:43:08,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:43:08,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:43:08,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3215 transitions. [2021-12-17 22:43:08,795 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8895960154952961 [2021-12-17 22:43:08,795 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3215 transitions. [2021-12-17 22:43:08,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3215 transitions. [2021-12-17 22:43:08,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:08,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3215 transitions. [2021-12-17 22:43:08,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 247.30769230769232) internal successors, (3215), 13 states have internal predecessors, (3215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:08,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:08,804 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:08,804 INFO L186 Difference]: Start difference. First operand has 301 places, 289 transitions, 867 flow. Second operand 13 states and 3215 transitions. [2021-12-17 22:43:08,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 351 transitions, 1425 flow [2021-12-17 22:43:08,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 351 transitions, 1418 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-12-17 22:43:08,816 INFO L242 Difference]: Finished difference. Result has 319 places, 316 transitions, 1199 flow [2021-12-17 22:43:08,817 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1199, PETRI_PLACES=319, PETRI_TRANSITIONS=316} [2021-12-17 22:43:08,817 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 70 predicate places. [2021-12-17 22:43:08,817 INFO L470 AbstractCegarLoop]: Abstraction has has 319 places, 316 transitions, 1199 flow [2021-12-17 22:43:08,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 243.66666666666666) internal successors, (2193), 9 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) [2021-12-17 22:43:08,818 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:08,818 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] [2021-12-17 22:43:08,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 22:43:08,818 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:08,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:08,819 INFO L85 PathProgramCache]: Analyzing trace with hash -32982802, now seen corresponding path program 2 times [2021-12-17 22:43:08,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:08,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504219899] [2021-12-17 22:43:08,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:08,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:08,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:08,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504219899] [2021-12-17 22:43:08,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504219899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:08,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:08,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 22:43:08,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461798129] [2021-12-17 22:43:08,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:08,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:43:08,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:08,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:43:08,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-17 22:43:08,877 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-17 22:43:08,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 316 transitions, 1199 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:08,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:08,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-17 22:43:08,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:09,236 INFO L129 PetriNetUnfolder]: 302/2529 cut-off events. [2021-12-17 22:43:09,237 INFO L130 PetriNetUnfolder]: For 3189/3509 co-relation queries the response was YES. [2021-12-17 22:43:09,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5243 conditions, 2529 events. 302/2529 cut-off events. For 3189/3509 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 26864 event pairs, 56 based on Foata normal form. 34/2413 useless extension candidates. Maximal degree in co-relation 5198. Up to 279 conditions per place. [2021-12-17 22:43:09,268 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 39 selfloop transitions, 16 changer transitions 4/331 dead transitions. [2021-12-17 22:43:09,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 331 transitions, 1371 flow [2021-12-17 22:43:09,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:43:09,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:43:09,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2253 transitions. [2021-12-17 22:43:09,272 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9004796163069544 [2021-12-17 22:43:09,272 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2253 transitions. [2021-12-17 22:43:09,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2253 transitions. [2021-12-17 22:43:09,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:09,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2253 transitions. [2021-12-17 22:43:09,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 250.33333333333334) internal successors, (2253), 9 states have internal predecessors, (2253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,280 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,280 INFO L186 Difference]: Start difference. First operand has 319 places, 316 transitions, 1199 flow. Second operand 9 states and 2253 transitions. [2021-12-17 22:43:09,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 331 transitions, 1371 flow [2021-12-17 22:43:09,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 331 transitions, 1283 flow, removed 44 selfloop flow, removed 2 redundant places. [2021-12-17 22:43:09,299 INFO L242 Difference]: Finished difference. Result has 326 places, 316 transitions, 1158 flow [2021-12-17 22:43:09,299 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1158, PETRI_PLACES=326, PETRI_TRANSITIONS=316} [2021-12-17 22:43:09,300 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 77 predicate places. [2021-12-17 22:43:09,300 INFO L470 AbstractCegarLoop]: Abstraction has has 326 places, 316 transitions, 1158 flow [2021-12-17 22:43:09,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,301 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:09,301 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] [2021-12-17 22:43:09,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-17 22:43:09,302 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:09,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:09,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1195152446, now seen corresponding path program 1 times [2021-12-17 22:43:09,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:09,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091361117] [2021-12-17 22:43:09,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:09,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:09,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:09,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091361117] [2021-12-17 22:43:09,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091361117] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:09,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:09,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:09,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320828774] [2021-12-17 22:43:09,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:09,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:09,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:09,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:09,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:09,330 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-17 22:43:09,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 316 transitions, 1158 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:09,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-17 22:43:09,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:09,773 INFO L129 PetriNetUnfolder]: 362/4885 cut-off events. [2021-12-17 22:43:09,773 INFO L130 PetriNetUnfolder]: For 5224/5581 co-relation queries the response was YES. [2021-12-17 22:43:09,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8646 conditions, 4885 events. 362/4885 cut-off events. For 5224/5581 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 58324 event pairs, 106 based on Foata normal form. 9/4584 useless extension candidates. Maximal degree in co-relation 8596. Up to 191 conditions per place. [2021-12-17 22:43:09,820 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 18 selfloop transitions, 6 changer transitions 0/324 dead transitions. [2021-12-17 22:43:09,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 324 transitions, 1226 flow [2021-12-17 22:43:09,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-17 22:43:09,821 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-17 22:43:09,822 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-17 22:43:09,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-17 22:43:09,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:09,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-17 22:43:09,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,825 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,825 INFO L186 Difference]: Start difference. First operand has 326 places, 316 transitions, 1158 flow. Second operand 3 states and 790 transitions. [2021-12-17 22:43:09,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 324 transitions, 1226 flow [2021-12-17 22:43:09,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 324 transitions, 1189 flow, removed 3 selfloop flow, removed 8 redundant places. [2021-12-17 22:43:09,843 INFO L242 Difference]: Finished difference. Result has 320 places, 320 transitions, 1169 flow [2021-12-17 22:43:09,843 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1169, PETRI_PLACES=320, PETRI_TRANSITIONS=320} [2021-12-17 22:43:09,844 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 71 predicate places. [2021-12-17 22:43:09,844 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 320 transitions, 1169 flow [2021-12-17 22:43:09,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,844 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:09,845 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] [2021-12-17 22:43:09,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 22:43:09,845 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:09,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:09,845 INFO L85 PathProgramCache]: Analyzing trace with hash 551683210, now seen corresponding path program 1 times [2021-12-17 22:43:09,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:09,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540534721] [2021-12-17 22:43:09,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:09,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:09,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:09,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540534721] [2021-12-17 22:43:09,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540534721] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:09,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:09,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:09,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777230636] [2021-12-17 22:43:09,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:09,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:09,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:09,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:09,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:09,879 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-17 22:43:09,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 320 transitions, 1169 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:09,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:09,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-17 22:43:09,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:10,584 INFO L129 PetriNetUnfolder]: 517/6959 cut-off events. [2021-12-17 22:43:10,584 INFO L130 PetriNetUnfolder]: For 11111/12366 co-relation queries the response was YES. [2021-12-17 22:43:10,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13208 conditions, 6959 events. 517/6959 cut-off events. For 11111/12366 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 89304 event pairs, 95 based on Foata normal form. 15/6626 useless extension candidates. Maximal degree in co-relation 13067. Up to 382 conditions per place. [2021-12-17 22:43:10,679 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 17 selfloop transitions, 2 changer transitions 8/327 dead transitions. [2021-12-17 22:43:10,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 327 transitions, 1226 flow [2021-12-17 22:43:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-17 22:43:10,682 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-17 22:43:10,682 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-17 22:43:10,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-17 22:43:10,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:10,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-17 22:43:10,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:10,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:10,686 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:10,687 INFO L186 Difference]: Start difference. First operand has 320 places, 320 transitions, 1169 flow. Second operand 3 states and 795 transitions. [2021-12-17 22:43:10,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 327 transitions, 1226 flow [2021-12-17 22:43:10,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 327 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-17 22:43:10,796 INFO L242 Difference]: Finished difference. Result has 322 places, 314 transitions, 1128 flow [2021-12-17 22:43:10,811 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1157, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=322, PETRI_TRANSITIONS=314} [2021-12-17 22:43:10,812 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 73 predicate places. [2021-12-17 22:43:10,812 INFO L470 AbstractCegarLoop]: Abstraction has has 322 places, 314 transitions, 1128 flow [2021-12-17 22:43:10,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:10,812 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:10,812 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] [2021-12-17 22:43:10,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 22:43:10,813 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:10,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:10,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1874507162, now seen corresponding path program 2 times [2021-12-17 22:43:10,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:10,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389440256] [2021-12-17 22:43:10,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:10,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:10,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:10,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389440256] [2021-12-17 22:43:10,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389440256] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:10,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:10,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:10,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022241403] [2021-12-17 22:43:10,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:10,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:10,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:10,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:10,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:10,925 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-17 22:43:10,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 314 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:10,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:10,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-17 22:43:10,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:11,606 INFO L129 PetriNetUnfolder]: 445/5193 cut-off events. [2021-12-17 22:43:11,609 INFO L130 PetriNetUnfolder]: For 8595/9474 co-relation queries the response was YES. [2021-12-17 22:43:11,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9839 conditions, 5193 events. 445/5193 cut-off events. For 8595/9474 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 61460 event pairs, 109 based on Foata normal form. 3/4904 useless extension candidates. Maximal degree in co-relation 9750. Up to 289 conditions per place. [2021-12-17 22:43:11,683 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 24 selfloop transitions, 4 changer transitions 5/322 dead transitions. [2021-12-17 22:43:11,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 322 transitions, 1212 flow [2021-12-17 22:43:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-17 22:43:11,699 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-17 22:43:11,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-17 22:43:11,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-17 22:43:11,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:11,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-17 22:43:11,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:11,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:11,702 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:11,703 INFO L186 Difference]: Start difference. First operand has 322 places, 314 transitions, 1128 flow. Second operand 3 states and 790 transitions. [2021-12-17 22:43:11,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 322 transitions, 1212 flow [2021-12-17 22:43:11,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 322 transitions, 1189 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-12-17 22:43:11,735 INFO L242 Difference]: Finished difference. Result has 313 places, 313 transitions, 1105 flow [2021-12-17 22:43:11,747 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1105, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1105, PETRI_PLACES=313, PETRI_TRANSITIONS=313} [2021-12-17 22:43:11,748 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 64 predicate places. [2021-12-17 22:43:11,748 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 313 transitions, 1105 flow [2021-12-17 22:43:11,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:11,748 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:11,748 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] [2021-12-17 22:43:11,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 22:43:11,749 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:11,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash 868855254, now seen corresponding path program 2 times [2021-12-17 22:43:11,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:11,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782243163] [2021-12-17 22:43:11,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:11,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:11,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:11,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782243163] [2021-12-17 22:43:11,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782243163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:11,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:11,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:11,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071844897] [2021-12-17 22:43:11,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:11,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:11,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:11,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:11,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:11,793 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-17 22:43:11,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 313 transitions, 1105 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:11,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:11,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-17 22:43:11,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:12,323 INFO L129 PetriNetUnfolder]: 249/4399 cut-off events. [2021-12-17 22:43:12,324 INFO L130 PetriNetUnfolder]: For 6817/7501 co-relation queries the response was YES. [2021-12-17 22:43:12,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7882 conditions, 4399 events. 249/4399 cut-off events. For 6817/7501 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 50539 event pairs, 70 based on Foata normal form. 5/4230 useless extension candidates. Maximal degree in co-relation 7772. Up to 224 conditions per place. [2021-12-17 22:43:12,389 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 17 selfloop transitions, 4 changer transitions 0/320 dead transitions. [2021-12-17 22:43:12,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 320 transitions, 1170 flow [2021-12-17 22:43:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-17 22:43:12,392 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-17 22:43:12,392 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-17 22:43:12,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-17 22:43:12,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:12,393 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-17 22:43:12,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:12,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:12,395 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:12,395 INFO L186 Difference]: Start difference. First operand has 313 places, 313 transitions, 1105 flow. Second operand 3 states and 795 transitions. [2021-12-17 22:43:12,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 320 transitions, 1170 flow [2021-12-17 22:43:12,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 320 transitions, 1158 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-12-17 22:43:12,419 INFO L242 Difference]: Finished difference. Result has 316 places, 315 transitions, 1125 flow [2021-12-17 22:43:12,419 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1125, PETRI_PLACES=316, PETRI_TRANSITIONS=315} [2021-12-17 22:43:12,420 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 67 predicate places. [2021-12-17 22:43:12,420 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 315 transitions, 1125 flow [2021-12-17 22:43:12,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:12,420 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:12,421 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] [2021-12-17 22:43:12,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-17 22:43:12,421 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:12,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:12,421 INFO L85 PathProgramCache]: Analyzing trace with hash -428434742, now seen corresponding path program 1 times [2021-12-17 22:43:12,421 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:12,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509713672] [2021-12-17 22:43:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:12,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:12,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:12,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:12,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509713672] [2021-12-17 22:43:12,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509713672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:12,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:12,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:12,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506841143] [2021-12-17 22:43:12,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:12,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:12,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:12,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:12,447 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-17 22:43:12,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 315 transitions, 1125 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:12,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:12,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-17 22:43:12,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:13,221 INFO L129 PetriNetUnfolder]: 356/6557 cut-off events. [2021-12-17 22:43:13,222 INFO L130 PetriNetUnfolder]: For 9782/11063 co-relation queries the response was YES. [2021-12-17 22:43:13,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11878 conditions, 6557 events. 356/6557 cut-off events. For 9782/11063 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 83833 event pairs, 86 based on Foata normal form. 5/6271 useless extension candidates. Maximal degree in co-relation 11685. Up to 346 conditions per place. [2021-12-17 22:43:13,297 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 19 selfloop transitions, 3 changer transitions 0/323 dead transitions. [2021-12-17 22:43:13,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 323 transitions, 1190 flow [2021-12-17 22:43:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-17 22:43:13,299 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-17 22:43:13,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-17 22:43:13,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-17 22:43:13,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:13,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-17 22:43:13,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:13,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:13,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:13,303 INFO L186 Difference]: Start difference. First operand has 316 places, 315 transitions, 1125 flow. Second operand 3 states and 793 transitions. [2021-12-17 22:43:13,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 323 transitions, 1190 flow [2021-12-17 22:43:13,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 323 transitions, 1178 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-17 22:43:13,326 INFO L242 Difference]: Finished difference. Result has 318 places, 318 transitions, 1143 flow [2021-12-17 22:43:13,327 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1143, PETRI_PLACES=318, PETRI_TRANSITIONS=318} [2021-12-17 22:43:13,327 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 69 predicate places. [2021-12-17 22:43:13,327 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 318 transitions, 1143 flow [2021-12-17 22:43:13,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:13,328 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:13,328 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] [2021-12-17 22:43:13,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 22:43:13,328 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:13,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:13,329 INFO L85 PathProgramCache]: Analyzing trace with hash 514973570, now seen corresponding path program 2 times [2021-12-17 22:43:13,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:13,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994664479] [2021-12-17 22:43:13,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:13,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:13,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:13,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:13,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994664479] [2021-12-17 22:43:13,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994664479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:13,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:13,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 22:43:13,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059402450] [2021-12-17 22:43:13,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:13,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:43:13,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:13,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:43:13,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:43:13,353 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-17 22:43:13,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 318 transitions, 1143 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:13,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:13,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-17 22:43:13,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:13,966 INFO L129 PetriNetUnfolder]: 274/5802 cut-off events. [2021-12-17 22:43:13,966 INFO L130 PetriNetUnfolder]: For 7769/8571 co-relation queries the response was YES. [2021-12-17 22:43:14,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10433 conditions, 5802 events. 274/5802 cut-off events. For 7769/8571 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 72117 event pairs, 80 based on Foata normal form. 16/5573 useless extension candidates. Maximal degree in co-relation 10261. Up to 276 conditions per place. [2021-12-17 22:43:14,011 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 20 selfloop transitions, 5 changer transitions 0/326 dead transitions. [2021-12-17 22:43:14,011 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 326 transitions, 1220 flow [2021-12-17 22:43:14,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:43:14,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:43:14,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-17 22:43:14,019 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-17 22:43:14,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-17 22:43:14,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-17 22:43:14,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:14,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-17 22:43:14,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,022 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,022 INFO L186 Difference]: Start difference. First operand has 318 places, 318 transitions, 1143 flow. Second operand 3 states and 793 transitions. [2021-12-17 22:43:14,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 326 transitions, 1220 flow [2021-12-17 22:43:14,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 326 transitions, 1217 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-17 22:43:14,061 INFO L242 Difference]: Finished difference. Result has 321 places, 321 transitions, 1184 flow [2021-12-17 22:43:14,061 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1140, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1184, PETRI_PLACES=321, PETRI_TRANSITIONS=321} [2021-12-17 22:43:14,062 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 72 predicate places. [2021-12-17 22:43:14,062 INFO L470 AbstractCegarLoop]: Abstraction has has 321 places, 321 transitions, 1184 flow [2021-12-17 22:43:14,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,062 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:14,062 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] [2021-12-17 22:43:14,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 22:43:14,062 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:14,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1430970760, now seen corresponding path program 1 times [2021-12-17 22:43:14,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:14,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109585760] [2021-12-17 22:43:14,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:14,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:14,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:14,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109585760] [2021-12-17 22:43:14,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109585760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:14,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:14,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 22:43:14,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735569995] [2021-12-17 22:43:14,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:14,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:43:14,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:14,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:43:14,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-17 22:43:14,157 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-17 22:43:14,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 321 transitions, 1184 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:14,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-17 22:43:14,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:14,850 INFO L129 PetriNetUnfolder]: 655/5409 cut-off events. [2021-12-17 22:43:14,851 INFO L130 PetriNetUnfolder]: For 8921/10263 co-relation queries the response was YES. [2021-12-17 22:43:14,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11489 conditions, 5409 events. 655/5409 cut-off events. For 8921/10263 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 66793 event pairs, 426 based on Foata normal form. 7/4969 useless extension candidates. Maximal degree in co-relation 11144. Up to 1815 conditions per place. [2021-12-17 22:43:14,900 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 39 selfloop transitions, 9 changer transitions 35/351 dead transitions. [2021-12-17 22:43:14,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 351 transitions, 1419 flow [2021-12-17 22:43:14,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:43:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:43:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3240 transitions. [2021-12-17 22:43:14,904 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.896513558384062 [2021-12-17 22:43:14,904 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3240 transitions. [2021-12-17 22:43:14,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3240 transitions. [2021-12-17 22:43:14,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:14,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3240 transitions. [2021-12-17 22:43:14,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 249.23076923076923) internal successors, (3240), 13 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,913 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,913 INFO L186 Difference]: Start difference. First operand has 321 places, 321 transitions, 1184 flow. Second operand 13 states and 3240 transitions. [2021-12-17 22:43:14,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 351 transitions, 1419 flow [2021-12-17 22:43:14,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 351 transitions, 1403 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-12-17 22:43:14,933 INFO L242 Difference]: Finished difference. Result has 342 places, 307 transitions, 1137 flow [2021-12-17 22:43:14,933 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1137, PETRI_PLACES=342, PETRI_TRANSITIONS=307} [2021-12-17 22:43:14,934 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 93 predicate places. [2021-12-17 22:43:14,934 INFO L470 AbstractCegarLoop]: Abstraction has has 342 places, 307 transitions, 1137 flow [2021-12-17 22:43:14,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:14,934 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:14,935 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] [2021-12-17 22:43:14,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-17 22:43:14,935 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:14,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:14,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1463553108, now seen corresponding path program 1 times [2021-12-17 22:43:14,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:14,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013743033] [2021-12-17 22:43:14,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:14,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:15,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:15,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013743033] [2021-12-17 22:43:15,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013743033] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:15,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:15,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 22:43:15,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330217498] [2021-12-17 22:43:15,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:15,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:43:15,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:15,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:43:15,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-17 22:43:15,007 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 278 [2021-12-17 22:43:15,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 307 transitions, 1137 flow. Second operand has 9 states, 9 states have (on average 243.66666666666666) internal successors, (2193), 9 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) [2021-12-17 22:43:15,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:15,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 278 [2021-12-17 22:43:15,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:16,289 INFO L129 PetriNetUnfolder]: 1659/10555 cut-off events. [2021-12-17 22:43:16,289 INFO L130 PetriNetUnfolder]: For 56859/61687 co-relation queries the response was YES. [2021-12-17 22:43:16,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31148 conditions, 10555 events. 1659/10555 cut-off events. For 56859/61687 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 140715 event pairs, 886 based on Foata normal form. 45/9926 useless extension candidates. Maximal degree in co-relation 31098. Up to 2256 conditions per place. [2021-12-17 22:43:16,394 INFO L132 encePairwiseOnDemand]: 261/278 looper letters, 82 selfloop transitions, 34 changer transitions 12/380 dead transitions. [2021-12-17 22:43:16,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 380 transitions, 2090 flow [2021-12-17 22:43:16,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-17 22:43:16,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-17 22:43:16,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4203 transitions. [2021-12-17 22:43:16,398 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8893355903512484 [2021-12-17 22:43:16,399 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 4203 transitions. [2021-12-17 22:43:16,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 4203 transitions. [2021-12-17 22:43:16,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:16,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 4203 transitions. [2021-12-17 22:43:16,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 247.23529411764707) internal successors, (4203), 17 states have internal predecessors, (4203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:16,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:16,409 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:16,409 INFO L186 Difference]: Start difference. First operand has 342 places, 307 transitions, 1137 flow. Second operand 17 states and 4203 transitions. [2021-12-17 22:43:16,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 380 transitions, 2090 flow [2021-12-17 22:43:16,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 380 transitions, 2033 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-12-17 22:43:16,633 INFO L242 Difference]: Finished difference. Result has 349 places, 333 transitions, 1582 flow [2021-12-17 22:43:16,633 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1582, PETRI_PLACES=349, PETRI_TRANSITIONS=333} [2021-12-17 22:43:16,634 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 100 predicate places. [2021-12-17 22:43:16,634 INFO L470 AbstractCegarLoop]: Abstraction has has 349 places, 333 transitions, 1582 flow [2021-12-17 22:43:16,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 243.66666666666666) internal successors, (2193), 9 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) [2021-12-17 22:43:16,634 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:16,635 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] [2021-12-17 22:43:16,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 22:43:16,635 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:16,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:16,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1417552590, now seen corresponding path program 2 times [2021-12-17 22:43:16,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:16,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24519182] [2021-12-17 22:43:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:16,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:16,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:16,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24519182] [2021-12-17 22:43:16,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24519182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:16,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:16,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 22:43:16,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972224909] [2021-12-17 22:43:16,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:16,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:43:16,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:16,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:43:16,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-17 22:43:16,706 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-17 22:43:16,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 333 transitions, 1582 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:16,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:16,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-17 22:43:16,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:17,810 INFO L129 PetriNetUnfolder]: 837/8366 cut-off events. [2021-12-17 22:43:17,810 INFO L130 PetriNetUnfolder]: For 42878/51131 co-relation queries the response was YES. [2021-12-17 22:43:17,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22346 conditions, 8366 events. 837/8366 cut-off events. For 42878/51131 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 111789 event pairs, 395 based on Foata normal form. 71/8000 useless extension candidates. Maximal degree in co-relation 22289. Up to 812 conditions per place. [2021-12-17 22:43:17,890 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 51 selfloop transitions, 20 changer transitions 23/366 dead transitions. [2021-12-17 22:43:17,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 366 transitions, 1876 flow [2021-12-17 22:43:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-17 22:43:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-17 22:43:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4235 transitions. [2021-12-17 22:43:17,895 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8961066440964875 [2021-12-17 22:43:17,895 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 4235 transitions. [2021-12-17 22:43:17,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 4235 transitions. [2021-12-17 22:43:17,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:17,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 4235 transitions. [2021-12-17 22:43:17,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 249.11764705882354) internal successors, (4235), 17 states have internal predecessors, (4235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:17,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:17,905 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:17,905 INFO L186 Difference]: Start difference. First operand has 349 places, 333 transitions, 1582 flow. Second operand 17 states and 4235 transitions. [2021-12-17 22:43:17,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 366 transitions, 1876 flow [2021-12-17 22:43:18,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 366 transitions, 1629 flow, removed 120 selfloop flow, removed 4 redundant places. [2021-12-17 22:43:18,056 INFO L242 Difference]: Finished difference. Result has 362 places, 328 transitions, 1354 flow [2021-12-17 22:43:18,057 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1337, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1354, PETRI_PLACES=362, PETRI_TRANSITIONS=328} [2021-12-17 22:43:18,057 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 113 predicate places. [2021-12-17 22:43:18,057 INFO L470 AbstractCegarLoop]: Abstraction has has 362 places, 328 transitions, 1354 flow [2021-12-17 22:43:18,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:18,058 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:18,058 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] [2021-12-17 22:43:18,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-17 22:43:18,059 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:18,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:18,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1871895776, now seen corresponding path program 1 times [2021-12-17 22:43:18,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:18,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146603375] [2021-12-17 22:43:18,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:18,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:18,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:18,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146603375] [2021-12-17 22:43:18,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146603375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:18,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:18,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 22:43:18,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210754969] [2021-12-17 22:43:18,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:18,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:43:18,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:18,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:43:18,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-17 22:43:18,125 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-17 22:43:18,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 328 transitions, 1354 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:18,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:18,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-17 22:43:18,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:43:18,926 INFO L129 PetriNetUnfolder]: 442/6455 cut-off events. [2021-12-17 22:43:18,926 INFO L130 PetriNetUnfolder]: For 41753/44280 co-relation queries the response was YES. [2021-12-17 22:43:18,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15737 conditions, 6455 events. 442/6455 cut-off events. For 41753/44280 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 82508 event pairs, 221 based on Foata normal form. 77/6255 useless extension candidates. Maximal degree in co-relation 15680. Up to 474 conditions per place. [2021-12-17 22:43:18,995 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 21 selfloop transitions, 1 changer transitions 33/360 dead transitions. [2021-12-17 22:43:18,995 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 360 transitions, 1591 flow [2021-12-17 22:43:18,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:43:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:43:18,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3240 transitions. [2021-12-17 22:43:18,998 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.896513558384062 [2021-12-17 22:43:18,998 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3240 transitions. [2021-12-17 22:43:18,999 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3240 transitions. [2021-12-17 22:43:18,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:43:18,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3240 transitions. [2021-12-17 22:43:19,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 249.23076923076923) internal successors, (3240), 13 states have internal predecessors, (3240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:19,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:19,006 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:19,006 INFO L186 Difference]: Start difference. First operand has 362 places, 328 transitions, 1354 flow. Second operand 13 states and 3240 transitions. [2021-12-17 22:43:19,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 360 transitions, 1591 flow [2021-12-17 22:43:19,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 360 transitions, 1566 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-12-17 22:43:19,084 INFO L242 Difference]: Finished difference. Result has 375 places, 327 transitions, 1354 flow [2021-12-17 22:43:19,084 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1333, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1354, PETRI_PLACES=375, PETRI_TRANSITIONS=327} [2021-12-17 22:43:19,085 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 126 predicate places. [2021-12-17 22:43:19,085 INFO L470 AbstractCegarLoop]: Abstraction has has 375 places, 327 transitions, 1354 flow [2021-12-17 22:43:19,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:19,085 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:43:19,086 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:43:19,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-17 22:43:19,086 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:43:19,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:43:19,086 INFO L85 PathProgramCache]: Analyzing trace with hash 411126624, now seen corresponding path program 1 times [2021-12-17 22:43:19,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:43:19,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512350943] [2021-12-17 22:43:19,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:43:19,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:43:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:43:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:43:19,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:43:19,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512350943] [2021-12-17 22:43:19,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512350943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:43:19,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:43:19,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-12-17 22:43:19,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120683379] [2021-12-17 22:43:19,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:43:19,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-17 22:43:19,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:43:19,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-17 22:43:19,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-12-17 22:43:19,550 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 278 [2021-12-17 22:43:19,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 327 transitions, 1354 flow. Second operand has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:43:19,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:43:19,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 278 [2021-12-17 22:43:19,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:44:16,326 INFO L129 PetriNetUnfolder]: 66590/143158 cut-off events. [2021-12-17 22:44:16,328 INFO L130 PetriNetUnfolder]: For 601395/602375 co-relation queries the response was YES. [2021-12-17 22:44:18,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 416488 conditions, 143158 events. 66590/143158 cut-off events. For 601395/602375 co-relation queries the response was YES. Maximal size of possible extension queue 2378. Compared 1657379 event pairs, 24854 based on Foata normal form. 508/139763 useless extension candidates. Maximal degree in co-relation 416423. Up to 45316 conditions per place. [2021-12-17 22:44:19,261 INFO L132 encePairwiseOnDemand]: 230/278 looper letters, 1675 selfloop transitions, 122 changer transitions 1535/3517 dead transitions. [2021-12-17 22:44:19,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 823 places, 3517 transitions, 21530 flow [2021-12-17 22:44:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 459 states. [2021-12-17 22:44:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2021-12-17 22:44:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 84831 transitions. [2021-12-17 22:44:19,327 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6648093290073823 [2021-12-17 22:44:19,327 INFO L72 ComplementDD]: Start complementDD. Operand 459 states and 84831 transitions. [2021-12-17 22:44:19,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 459 states and 84831 transitions. [2021-12-17 22:44:19,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:44:19,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 459 states and 84831 transitions. [2021-12-17 22:44:19,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 460 states, 459 states have (on average 184.81699346405227) internal successors, (84831), 459 states have internal predecessors, (84831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:44:19,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 460 states, 460 states have (on average 278.0) internal successors, (127880), 460 states have internal predecessors, (127880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:44:19,605 INFO L81 ComplementDD]: Finished complementDD. Result has 460 states, 460 states have (on average 278.0) internal successors, (127880), 460 states have internal predecessors, (127880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:44:19,605 INFO L186 Difference]: Start difference. First operand has 375 places, 327 transitions, 1354 flow. Second operand 459 states and 84831 transitions. [2021-12-17 22:44:19,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 823 places, 3517 transitions, 21530 flow [2021-12-17 22:44:26,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 812 places, 3517 transitions, 20471 flow, removed 529 selfloop flow, removed 11 redundant places. [2021-12-17 22:44:26,641 INFO L242 Difference]: Finished difference. Result has 1262 places, 443 transitions, 4414 flow [2021-12-17 22:44:26,642 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1333, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=459, PETRI_FLOW=4414, PETRI_PLACES=1262, PETRI_TRANSITIONS=443} [2021-12-17 22:44:26,643 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 1013 predicate places. [2021-12-17 22:44:26,643 INFO L470 AbstractCegarLoop]: Abstraction has has 1262 places, 443 transitions, 4414 flow [2021-12-17 22:44:26,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:44:26,644 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:44:26,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:44:26,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-17 22:44:26,646 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-17 22:44:26,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:44:26,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1054024496, now seen corresponding path program 2 times [2021-12-17 22:44:26,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:44:26,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905891261] [2021-12-17 22:44:26,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:44:26,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:44:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:44:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:44:27,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:44:27,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905891261] [2021-12-17 22:44:27,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905891261] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:44:27,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:44:27,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-12-17 22:44:27,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662532034] [2021-12-17 22:44:27,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:44:27,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-17 22:44:27,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:44:27,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-17 22:44:27,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-12-17 22:44:27,176 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 278 [2021-12-17 22:44:27,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1262 places, 443 transitions, 4414 flow. Second operand has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:44:27,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:44:27,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 278 [2021-12-17 22:44:27,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand