./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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/pthread-wmm/safe019_rmo.opt.i -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 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:51:24,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:51:24,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:51:24,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:51:24,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:51:24,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:51:24,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:51:24,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:51:24,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:51:24,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:51:24,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:51:24,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:51:24,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:51:24,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:51:24,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:51:24,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:51:24,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:51:24,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:51:24,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:51:24,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:51:24,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:51:24,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:51:24,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:51:24,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:51:24,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:51:24,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:51:24,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:51:24,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:51:24,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:51:24,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:51:24,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:51:24,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:51:24,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:51:24,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:51:24,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:51:24,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:51:24,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:51:24,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:51:24,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:51:24,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:51:24,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:51:24,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:51:24,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:51:24,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:51:24,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:51:24,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:51:24,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:51:24,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:51:24,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:51:24,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:51:24,385 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:51:24,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:51:24,386 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:51:24,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:51:24,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:51:24,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:51:24,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:51:24,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:51:24,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:51:24,387 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:51:24,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:51:24,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:51:24,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:51:24,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:51:24,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:51:24,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:51:24,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:51:24,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:51:24,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:51:24,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:51:24,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:51:24,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:51:24,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:51:24,389 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:51:24,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:51:24,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 [2021-12-28 02:51:24,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:51:24,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:51:24,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:51:24,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:51:24,664 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:51:24,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2021-12-28 02:51:24,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ca810f4/3bba91bc4bf2486a9ec89cee486339e2/FLAG5ff6080e5 [2021-12-28 02:51:25,137 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:51:25,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2021-12-28 02:51:25,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ca810f4/3bba91bc4bf2486a9ec89cee486339e2/FLAG5ff6080e5 [2021-12-28 02:51:25,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72ca810f4/3bba91bc4bf2486a9ec89cee486339e2 [2021-12-28 02:51:25,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:51:25,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:51:25,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:51:25,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:51:25,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:51:25,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8c7964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25, skipping insertion in model container [2021-12-28 02:51:25,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:51:25,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:51:25,370 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/pthread-wmm/safe019_rmo.opt.i[992,1005] [2021-12-28 02:51:25,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:51:25,593 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 02:51:25,605 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/pthread-wmm/safe019_rmo.opt.i[992,1005] [2021-12-28 02:51:25,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:51:25,689 INFO L208 MainTranslator]: Completed translation [2021-12-28 02:51:25,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25 WrapperNode [2021-12-28 02:51:25,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:51:25,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 02:51:25,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 02:51:25,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 02:51:25,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,757 INFO L137 Inliner]: procedures = 177, calls = 86, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2021-12-28 02:51:25,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 02:51:25,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 02:51:25,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 02:51:25,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 02:51:25,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 02:51:25,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 02:51:25,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 02:51:25,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 02:51:25,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (1/1) ... [2021-12-28 02:51:25,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:51:25,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 02:51:25,844 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) [2021-12-28 02:51:25,857 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 [2021-12-28 02:51:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 02:51:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 02:51:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-28 02:51:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 02:51:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 02:51:25,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 02:51:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-28 02:51:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-28 02:51:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-28 02:51:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-28 02:51:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-28 02:51:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-28 02:51:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-28 02:51:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-28 02:51:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 02:51:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-28 02:51:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 02:51:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 02:51:25,876 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-28 02:51:26,019 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 02:51:26,036 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 02:51:26,581 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 02:51:26,910 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 02:51:26,910 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 02:51:26,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:51:26 BoogieIcfgContainer [2021-12-28 02:51:26,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 02:51:26,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 02:51:26,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 02:51:26,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 02:51:26,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:51:25" (1/3) ... [2021-12-28 02:51:26,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2220b7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:51:26, skipping insertion in model container [2021-12-28 02:51:26,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:51:25" (2/3) ... [2021-12-28 02:51:26,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2220b7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:51:26, skipping insertion in model container [2021-12-28 02:51:26,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:51:26" (3/3) ... [2021-12-28 02:51:26,917 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2021-12-28 02:51:26,920 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-28 02:51:26,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 02:51:26,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 02:51:26,921 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-28 02:51:26,967 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,967 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,967 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,967 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,968 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,968 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,968 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,968 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,969 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,969 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,969 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,969 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,969 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,969 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,969 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,969 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,970 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,970 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,970 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,971 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,971 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,971 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,971 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,971 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,971 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,971 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,972 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,972 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,972 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,972 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,972 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,972 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,972 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,972 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,973 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,973 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,973 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,973 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,973 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,973 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,973 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,973 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,974 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,974 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,974 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,974 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,974 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,974 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,974 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,975 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,975 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,975 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,977 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,977 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,977 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,977 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,977 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,978 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,978 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,978 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,978 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,979 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,979 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,979 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,979 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,979 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,979 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,979 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,980 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,980 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,980 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,980 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,980 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,980 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,980 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,980 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,981 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,981 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,983 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,983 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,983 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,984 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,984 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,984 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,985 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,985 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,985 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,989 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,989 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,989 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,989 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,989 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,989 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,989 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,990 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,990 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,992 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,992 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,992 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,992 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,992 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,993 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,993 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,993 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,993 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,993 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,993 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,993 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,993 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,994 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,994 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,994 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,994 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,994 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,994 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,994 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,994 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,995 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,995 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,995 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,995 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,995 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,996 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,996 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,996 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,996 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,997 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,997 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,997 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,997 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,997 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,997 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,997 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,998 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,998 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,998 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,998 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,998 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,998 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,998 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,998 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,999 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,999 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,999 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,999 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:26,999 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,000 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,000 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,000 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,000 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,000 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,000 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,000 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,001 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,002 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,003 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,003 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,003 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,003 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,003 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,003 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,003 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,003 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,004 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,004 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,004 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,012 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,013 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,013 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,013 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,013 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,013 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,014 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,015 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,015 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,015 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,015 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,015 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,016 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,017 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,018 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,021 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,022 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,022 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,022 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,022 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,022 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,024 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,024 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,024 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,024 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,024 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,025 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,025 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,025 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,025 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,025 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,025 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,026 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,026 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,026 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,026 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,026 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,026 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,026 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,027 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,027 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,027 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,027 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,027 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,027 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,027 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,027 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,028 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,028 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,028 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,028 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,029 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,030 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,031 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,031 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,031 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,032 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,032 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,032 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,033 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,034 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,034 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,035 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,035 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,036 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,037 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,037 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,037 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,037 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,038 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,038 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,038 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,038 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,038 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,038 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,038 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,038 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,039 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,040 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,041 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,041 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,041 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,041 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,041 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,041 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,042 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,042 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,042 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:51:27,043 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-28 02:51:27,069 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:51:27,073 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 [2021-12-28 02:51:27,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-28 02:51:27,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 151 transitions, 322 flow [2021-12-28 02:51:27,125 INFO L129 PetriNetUnfolder]: 2/147 cut-off events. [2021-12-28 02:51:27,125 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:51:27,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 147 events. 2/147 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2021-12-28 02:51:27,128 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 151 transitions, 322 flow [2021-12-28 02:51:27,133 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 131 transitions, 274 flow [2021-12-28 02:51:27,167 INFO L129 PetriNetUnfolder]: 1/130 cut-off events. [2021-12-28 02:51:27,168 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:51:27,168 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:27,169 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:51:27,169 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:27,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:27,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1022250834, now seen corresponding path program 1 times [2021-12-28 02:51:27,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:27,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045335509] [2021-12-28 02:51:27,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:27,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:27,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:27,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045335509] [2021-12-28 02:51:27,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045335509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:27,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:27,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 02:51:27,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265039636] [2021-12-28 02:51:27,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:27,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 02:51:27,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:27,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 02:51:27,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 02:51:27,541 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 151 [2021-12-28 02:51:27,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 131 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 131.0) internal successors, (786), 6 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:27,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:27,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 151 [2021-12-28 02:51:27,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:28,115 INFO L129 PetriNetUnfolder]: 747/1559 cut-off events. [2021-12-28 02:51:28,115 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-12-28 02:51:28,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2733 conditions, 1559 events. 747/1559 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9335 event pairs, 403 based on Foata normal form. 42/1544 useless extension candidates. Maximal degree in co-relation 2656. Up to 585 conditions per place. [2021-12-28 02:51:28,125 INFO L132 encePairwiseOnDemand]: 144/151 looper letters, 24 selfloop transitions, 2 changer transitions 37/175 dead transitions. [2021-12-28 02:51:28,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 175 transitions, 497 flow [2021-12-28 02:51:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:51:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:51:28,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1228 transitions. [2021-12-28 02:51:28,137 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9036055923473142 [2021-12-28 02:51:28,138 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1228 transitions. [2021-12-28 02:51:28,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1228 transitions. [2021-12-28 02:51:28,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:28,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1228 transitions. [2021-12-28 02:51:28,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 136.44444444444446) internal successors, (1228), 9 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:28,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 151.0) internal successors, (1510), 10 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:28,152 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 151.0) internal successors, (1510), 10 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:28,154 INFO L186 Difference]: Start difference. First operand has 143 places, 131 transitions, 274 flow. Second operand 9 states and 1228 transitions. [2021-12-28 02:51:28,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 175 transitions, 497 flow [2021-12-28 02:51:28,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 175 transitions, 490 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-28 02:51:28,159 INFO L242 Difference]: Finished difference. Result has 154 places, 130 transitions, 288 flow [2021-12-28 02:51:28,160 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=288, PETRI_PLACES=154, PETRI_TRANSITIONS=130} [2021-12-28 02:51:28,163 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 11 predicate places. [2021-12-28 02:51:28,163 INFO L470 AbstractCegarLoop]: Abstraction has has 154 places, 130 transitions, 288 flow [2021-12-28 02:51:28,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 131.0) internal successors, (786), 6 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:28,164 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:28,164 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] [2021-12-28 02:51:28,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 02:51:28,164 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:28,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:28,165 INFO L85 PathProgramCache]: Analyzing trace with hash 963542035, now seen corresponding path program 1 times [2021-12-28 02:51:28,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:28,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214584380] [2021-12-28 02:51:28,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:28,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:28,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:28,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214584380] [2021-12-28 02:51:28,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214584380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:28,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:28,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:51:28,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449459249] [2021-12-28 02:51:28,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:28,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:51:28,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:28,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:51:28,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:51:28,356 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 151 [2021-12-28 02:51:28,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 130 transitions, 288 flow. Second operand has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:28,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:28,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 151 [2021-12-28 02:51:28,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:29,087 INFO L129 PetriNetUnfolder]: 1436/2853 cut-off events. [2021-12-28 02:51:29,088 INFO L130 PetriNetUnfolder]: For 563/563 co-relation queries the response was YES. [2021-12-28 02:51:29,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5682 conditions, 2853 events. 1436/2853 cut-off events. For 563/563 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 18898 event pairs, 358 based on Foata normal form. 48/2765 useless extension candidates. Maximal degree in co-relation 5599. Up to 949 conditions per place. [2021-12-28 02:51:29,102 INFO L132 encePairwiseOnDemand]: 142/151 looper letters, 30 selfloop transitions, 5 changer transitions 47/191 dead transitions. [2021-12-28 02:51:29,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 191 transitions, 601 flow [2021-12-28 02:51:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:51:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:51:29,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1344 transitions. [2021-12-28 02:51:29,106 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8900662251655629 [2021-12-28 02:51:29,106 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1344 transitions. [2021-12-28 02:51:29,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1344 transitions. [2021-12-28 02:51:29,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:29,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1344 transitions. [2021-12-28 02:51:29,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.4) internal successors, (1344), 10 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,112 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,112 INFO L186 Difference]: Start difference. First operand has 154 places, 130 transitions, 288 flow. Second operand 10 states and 1344 transitions. [2021-12-28 02:51:29,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 191 transitions, 601 flow [2021-12-28 02:51:29,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 191 transitions, 567 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-12-28 02:51:29,126 INFO L242 Difference]: Finished difference. Result has 157 places, 132 transitions, 326 flow [2021-12-28 02:51:29,126 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=326, PETRI_PLACES=157, PETRI_TRANSITIONS=132} [2021-12-28 02:51:29,127 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 14 predicate places. [2021-12-28 02:51:29,127 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 132 transitions, 326 flow [2021-12-28 02:51:29,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,128 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:29,128 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:51:29,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 02:51:29,128 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:29,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:29,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1289152926, now seen corresponding path program 1 times [2021-12-28 02:51:29,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:29,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676272204] [2021-12-28 02:51:29,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:29,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:29,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:29,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:29,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676272204] [2021-12-28 02:51:29,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676272204] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:29,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:29,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:51:29,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923985369] [2021-12-28 02:51:29,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:29,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:51:29,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:29,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:51:29,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:51:29,268 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 151 [2021-12-28 02:51:29,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 132 transitions, 326 flow. Second operand has 7 states, 7 states have (on average 130.85714285714286) internal successors, (916), 7 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:29,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 151 [2021-12-28 02:51:29,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:29,693 INFO L129 PetriNetUnfolder]: 679/1478 cut-off events. [2021-12-28 02:51:29,693 INFO L130 PetriNetUnfolder]: For 1186/1209 co-relation queries the response was YES. [2021-12-28 02:51:29,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3339 conditions, 1478 events. 679/1478 cut-off events. For 1186/1209 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8865 event pairs, 251 based on Foata normal form. 32/1445 useless extension candidates. Maximal degree in co-relation 3252. Up to 557 conditions per place. [2021-12-28 02:51:29,703 INFO L132 encePairwiseOnDemand]: 144/151 looper letters, 20 selfloop transitions, 3 changer transitions 31/168 dead transitions. [2021-12-28 02:51:29,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 168 transitions, 530 flow [2021-12-28 02:51:29,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:51:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:51:29,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1346 transitions. [2021-12-28 02:51:29,707 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8913907284768212 [2021-12-28 02:51:29,707 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1346 transitions. [2021-12-28 02:51:29,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1346 transitions. [2021-12-28 02:51:29,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:29,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1346 transitions. [2021-12-28 02:51:29,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.6) internal successors, (1346), 10 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,714 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,714 INFO L186 Difference]: Start difference. First operand has 157 places, 132 transitions, 326 flow. Second operand 10 states and 1346 transitions. [2021-12-28 02:51:29,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 168 transitions, 530 flow [2021-12-28 02:51:29,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 168 transitions, 505 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-12-28 02:51:29,721 INFO L242 Difference]: Finished difference. Result has 162 places, 132 transitions, 333 flow [2021-12-28 02:51:29,721 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=333, PETRI_PLACES=162, PETRI_TRANSITIONS=132} [2021-12-28 02:51:29,723 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 19 predicate places. [2021-12-28 02:51:29,723 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 132 transitions, 333 flow [2021-12-28 02:51:29,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 130.85714285714286) internal successors, (916), 7 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,724 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:29,724 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:51:29,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 02:51:29,724 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:29,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:29,725 INFO L85 PathProgramCache]: Analyzing trace with hash 65415168, now seen corresponding path program 1 times [2021-12-28 02:51:29,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:29,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785587785] [2021-12-28 02:51:29,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:29,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:29,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:29,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:29,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785587785] [2021-12-28 02:51:29,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785587785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:29,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:29,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:51:29,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455319440] [2021-12-28 02:51:29,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:29,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:51:29,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:29,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:51:29,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:51:29,900 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 151 [2021-12-28 02:51:29,901 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 132 transitions, 333 flow. Second operand has 7 states, 7 states have (on average 128.28571428571428) internal successors, (898), 7 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:29,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:29,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 151 [2021-12-28 02:51:29,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:30,587 INFO L129 PetriNetUnfolder]: 1324/2713 cut-off events. [2021-12-28 02:51:30,588 INFO L130 PetriNetUnfolder]: For 2597/2613 co-relation queries the response was YES. [2021-12-28 02:51:30,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6346 conditions, 2713 events. 1324/2713 cut-off events. For 2597/2613 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 18957 event pairs, 350 based on Foata normal form. 56/2686 useless extension candidates. Maximal degree in co-relation 6255. Up to 641 conditions per place. [2021-12-28 02:51:30,605 INFO L132 encePairwiseOnDemand]: 144/151 looper letters, 30 selfloop transitions, 3 changer transitions 64/206 dead transitions. [2021-12-28 02:51:30,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 206 transitions, 785 flow [2021-12-28 02:51:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-28 02:51:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-28 02:51:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1863 transitions. [2021-12-28 02:51:30,609 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.881267738883633 [2021-12-28 02:51:30,609 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1863 transitions. [2021-12-28 02:51:30,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1863 transitions. [2021-12-28 02:51:30,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:30,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1863 transitions. [2021-12-28 02:51:30,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 133.07142857142858) internal successors, (1863), 14 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:30,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 151.0) internal successors, (2265), 15 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:30,615 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 151.0) internal successors, (2265), 15 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:30,615 INFO L186 Difference]: Start difference. First operand has 162 places, 132 transitions, 333 flow. Second operand 14 states and 1863 transitions. [2021-12-28 02:51:30,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 206 transitions, 785 flow [2021-12-28 02:51:30,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 206 transitions, 721 flow, removed 29 selfloop flow, removed 9 redundant places. [2021-12-28 02:51:30,627 INFO L242 Difference]: Finished difference. Result has 172 places, 132 transitions, 348 flow [2021-12-28 02:51:30,627 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=348, PETRI_PLACES=172, PETRI_TRANSITIONS=132} [2021-12-28 02:51:30,628 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 29 predicate places. [2021-12-28 02:51:30,628 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 132 transitions, 348 flow [2021-12-28 02:51:30,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 128.28571428571428) internal successors, (898), 7 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:30,629 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:30,629 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] [2021-12-28 02:51:30,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 02:51:30,629 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:30,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1248499279, now seen corresponding path program 1 times [2021-12-28 02:51:30,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:30,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356807116] [2021-12-28 02:51:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:30,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:30,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:30,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356807116] [2021-12-28 02:51:30,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356807116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:30,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:30,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 02:51:30,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563545954] [2021-12-28 02:51:30,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:30,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 02:51:30,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:30,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 02:51:30,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 02:51:30,734 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 151 [2021-12-28 02:51:30,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 132 transitions, 348 flow. Second operand has 6 states, 6 states have (on average 127.33333333333333) internal successors, (764), 6 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:30,735 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:30,735 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 151 [2021-12-28 02:51:30,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:32,110 INFO L129 PetriNetUnfolder]: 6044/10578 cut-off events. [2021-12-28 02:51:32,111 INFO L130 PetriNetUnfolder]: For 4484/4549 co-relation queries the response was YES. [2021-12-28 02:51:32,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21787 conditions, 10578 events. 6044/10578 cut-off events. For 4484/4549 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 81269 event pairs, 313 based on Foata normal form. 0/10194 useless extension candidates. Maximal degree in co-relation 21693. Up to 3807 conditions per place. [2021-12-28 02:51:32,183 INFO L132 encePairwiseOnDemand]: 140/151 looper letters, 35 selfloop transitions, 7 changer transitions 55/206 dead transitions. [2021-12-28 02:51:32,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 206 transitions, 701 flow [2021-12-28 02:51:32,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:51:32,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:51:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1349 transitions. [2021-12-28 02:51:32,186 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8933774834437086 [2021-12-28 02:51:32,186 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1349 transitions. [2021-12-28 02:51:32,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1349 transitions. [2021-12-28 02:51:32,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:32,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1349 transitions. [2021-12-28 02:51:32,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.9) internal successors, (1349), 10 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:32,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:32,191 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:32,191 INFO L186 Difference]: Start difference. First operand has 172 places, 132 transitions, 348 flow. Second operand 10 states and 1349 transitions. [2021-12-28 02:51:32,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 206 transitions, 701 flow [2021-12-28 02:51:32,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 206 transitions, 670 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-12-28 02:51:32,210 INFO L242 Difference]: Finished difference. Result has 164 places, 135 transitions, 383 flow [2021-12-28 02:51:32,211 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=383, PETRI_PLACES=164, PETRI_TRANSITIONS=135} [2021-12-28 02:51:32,211 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 21 predicate places. [2021-12-28 02:51:32,211 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 135 transitions, 383 flow [2021-12-28 02:51:32,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.33333333333333) internal successors, (764), 6 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:32,212 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:32,212 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:51:32,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 02:51:32,212 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:32,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:32,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1132584464, now seen corresponding path program 1 times [2021-12-28 02:51:32,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:32,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507017790] [2021-12-28 02:51:32,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:32,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:32,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:32,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:32,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507017790] [2021-12-28 02:51:32,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507017790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:32,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:32,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:51:32,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656260775] [2021-12-28 02:51:32,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:32,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:51:32,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:32,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:51:32,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:51:32,372 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 151 [2021-12-28 02:51:32,373 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 135 transitions, 383 flow. Second operand has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:32,373 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:32,373 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 151 [2021-12-28 02:51:32,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:33,218 INFO L129 PetriNetUnfolder]: 2711/5298 cut-off events. [2021-12-28 02:51:33,218 INFO L130 PetriNetUnfolder]: For 7243/7414 co-relation queries the response was YES. [2021-12-28 02:51:33,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15782 conditions, 5298 events. 2711/5298 cut-off events. For 7243/7414 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 39674 event pairs, 83 based on Foata normal form. 162/5365 useless extension candidates. Maximal degree in co-relation 15691. Up to 1675 conditions per place. [2021-12-28 02:51:33,251 INFO L132 encePairwiseOnDemand]: 141/151 looper letters, 41 selfloop transitions, 11 changer transitions 43/204 dead transitions. [2021-12-28 02:51:33,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 204 transitions, 887 flow [2021-12-28 02:51:33,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:51:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:51:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1347 transitions. [2021-12-28 02:51:33,254 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8920529801324504 [2021-12-28 02:51:33,254 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1347 transitions. [2021-12-28 02:51:33,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1347 transitions. [2021-12-28 02:51:33,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:33,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1347 transitions. [2021-12-28 02:51:33,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.7) internal successors, (1347), 10 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:33,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:33,260 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:33,260 INFO L186 Difference]: Start difference. First operand has 164 places, 135 transitions, 383 flow. Second operand 10 states and 1347 transitions. [2021-12-28 02:51:33,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 204 transitions, 887 flow [2021-12-28 02:51:33,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 204 transitions, 862 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-12-28 02:51:33,278 INFO L242 Difference]: Finished difference. Result has 168 places, 139 transitions, 471 flow [2021-12-28 02:51:33,278 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=471, PETRI_PLACES=168, PETRI_TRANSITIONS=139} [2021-12-28 02:51:33,280 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 25 predicate places. [2021-12-28 02:51:33,281 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 139 transitions, 471 flow [2021-12-28 02:51:33,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:33,281 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:33,281 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] [2021-12-28 02:51:33,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 02:51:33,282 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:33,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:33,282 INFO L85 PathProgramCache]: Analyzing trace with hash 810570767, now seen corresponding path program 1 times [2021-12-28 02:51:33,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:33,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738963980] [2021-12-28 02:51:33,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:33,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:33,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:33,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738963980] [2021-12-28 02:51:33,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738963980] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:33,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:33,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-28 02:51:33,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322733500] [2021-12-28 02:51:33,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:33,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-28 02:51:33,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:33,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-28 02:51:33,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-12-28 02:51:33,583 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 151 [2021-12-28 02:51:33,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 139 transitions, 471 flow. Second operand has 13 states, 13 states have (on average 117.23076923076923) internal successors, (1524), 13 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:33,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:33,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 151 [2021-12-28 02:51:33,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:34,336 INFO L129 PetriNetUnfolder]: 1376/4328 cut-off events. [2021-12-28 02:51:34,336 INFO L130 PetriNetUnfolder]: For 9986/10514 co-relation queries the response was YES. [2021-12-28 02:51:34,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13151 conditions, 4328 events. 1376/4328 cut-off events. For 9986/10514 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 40101 event pairs, 467 based on Foata normal form. 74/4229 useless extension candidates. Maximal degree in co-relation 13045. Up to 976 conditions per place. [2021-12-28 02:51:34,364 INFO L132 encePairwiseOnDemand]: 138/151 looper letters, 53 selfloop transitions, 26 changer transitions 0/186 dead transitions. [2021-12-28 02:51:34,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 186 transitions, 754 flow [2021-12-28 02:51:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-28 02:51:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-28 02:51:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1691 transitions. [2021-12-28 02:51:34,367 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7999053926206244 [2021-12-28 02:51:34,368 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1691 transitions. [2021-12-28 02:51:34,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1691 transitions. [2021-12-28 02:51:34,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:34,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1691 transitions. [2021-12-28 02:51:34,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 120.78571428571429) internal successors, (1691), 14 states have internal predecessors, (1691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:34,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 151.0) internal successors, (2265), 15 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:34,374 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 151.0) internal successors, (2265), 15 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:34,374 INFO L186 Difference]: Start difference. First operand has 168 places, 139 transitions, 471 flow. Second operand 14 states and 1691 transitions. [2021-12-28 02:51:34,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 186 transitions, 754 flow [2021-12-28 02:51:34,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 186 transitions, 685 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-12-28 02:51:34,407 INFO L242 Difference]: Finished difference. Result has 176 places, 169 transitions, 608 flow [2021-12-28 02:51:34,408 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=608, PETRI_PLACES=176, PETRI_TRANSITIONS=169} [2021-12-28 02:51:34,408 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 33 predicate places. [2021-12-28 02:51:34,409 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 169 transitions, 608 flow [2021-12-28 02:51:34,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 117.23076923076923) internal successors, (1524), 13 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:34,410 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:34,410 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] [2021-12-28 02:51:34,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 02:51:34,411 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:34,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:34,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1022891545, now seen corresponding path program 2 times [2021-12-28 02:51:34,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:34,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873733991] [2021-12-28 02:51:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:34,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:34,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:34,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873733991] [2021-12-28 02:51:34,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873733991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:34,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:34,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-28 02:51:34,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342033364] [2021-12-28 02:51:34,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:34,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-28 02:51:34,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:34,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-28 02:51:34,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-28 02:51:34,728 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 151 [2021-12-28 02:51:34,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 169 transitions, 608 flow. Second operand has 14 states, 14 states have (on average 116.14285714285714) internal successors, (1626), 14 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:34,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:34,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 151 [2021-12-28 02:51:34,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:35,646 INFO L129 PetriNetUnfolder]: 1725/5184 cut-off events. [2021-12-28 02:51:35,646 INFO L130 PetriNetUnfolder]: For 9244/9515 co-relation queries the response was YES. [2021-12-28 02:51:35,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15239 conditions, 5184 events. 1725/5184 cut-off events. For 9244/9515 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 49309 event pairs, 633 based on Foata normal form. 87/5024 useless extension candidates. Maximal degree in co-relation 15127. Up to 1668 conditions per place. [2021-12-28 02:51:35,698 INFO L132 encePairwiseOnDemand]: 136/151 looper letters, 75 selfloop transitions, 41 changer transitions 0/222 dead transitions. [2021-12-28 02:51:35,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 222 transitions, 1091 flow [2021-12-28 02:51:35,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-28 02:51:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-12-28 02:51:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1798 transitions. [2021-12-28 02:51:35,704 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7938189845474614 [2021-12-28 02:51:35,705 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1798 transitions. [2021-12-28 02:51:35,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1798 transitions. [2021-12-28 02:51:35,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:35,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1798 transitions. [2021-12-28 02:51:35,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 119.86666666666666) internal successors, (1798), 15 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:35,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 151.0) internal successors, (2416), 16 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:35,713 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 151.0) internal successors, (2416), 16 states have internal predecessors, (2416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:35,713 INFO L186 Difference]: Start difference. First operand has 176 places, 169 transitions, 608 flow. Second operand 15 states and 1798 transitions. [2021-12-28 02:51:35,713 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 222 transitions, 1091 flow [2021-12-28 02:51:35,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 222 transitions, 1080 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-12-28 02:51:35,746 INFO L242 Difference]: Finished difference. Result has 194 places, 191 transitions, 883 flow [2021-12-28 02:51:35,746 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=883, PETRI_PLACES=194, PETRI_TRANSITIONS=191} [2021-12-28 02:51:35,748 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 51 predicate places. [2021-12-28 02:51:35,749 INFO L470 AbstractCegarLoop]: Abstraction has has 194 places, 191 transitions, 883 flow [2021-12-28 02:51:35,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 116.14285714285714) internal successors, (1626), 14 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:35,749 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:35,750 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] [2021-12-28 02:51:35,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 02:51:35,750 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:35,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:35,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1762770895, now seen corresponding path program 3 times [2021-12-28 02:51:35,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:35,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863145504] [2021-12-28 02:51:35,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:35,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:36,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:36,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863145504] [2021-12-28 02:51:36,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863145504] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:36,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:36,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-12-28 02:51:36,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902099942] [2021-12-28 02:51:36,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:36,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-28 02:51:36,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:36,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-28 02:51:36,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-12-28 02:51:36,564 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 151 [2021-12-28 02:51:36,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 191 transitions, 883 flow. Second operand has 23 states, 23 states have (on average 95.82608695652173) internal successors, (2204), 23 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:36,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:36,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 151 [2021-12-28 02:51:36,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:38,298 INFO L129 PetriNetUnfolder]: 1927/5751 cut-off events. [2021-12-28 02:51:38,298 INFO L130 PetriNetUnfolder]: For 16865/17146 co-relation queries the response was YES. [2021-12-28 02:51:38,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19490 conditions, 5751 events. 1927/5751 cut-off events. For 16865/17146 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 55057 event pairs, 764 based on Foata normal form. 78/5545 useless extension candidates. Maximal degree in co-relation 19359. Up to 2283 conditions per place. [2021-12-28 02:51:38,361 INFO L132 encePairwiseOnDemand]: 128/151 looper letters, 101 selfloop transitions, 33 changer transitions 34/262 dead transitions. [2021-12-28 02:51:38,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 262 transitions, 1670 flow [2021-12-28 02:51:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-28 02:51:38,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-12-28 02:51:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2751 transitions. [2021-12-28 02:51:38,367 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6506622516556292 [2021-12-28 02:51:38,367 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2751 transitions. [2021-12-28 02:51:38,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2751 transitions. [2021-12-28 02:51:38,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:38,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2751 transitions. [2021-12-28 02:51:38,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 98.25) internal successors, (2751), 28 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:38,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 151.0) internal successors, (4379), 29 states have internal predecessors, (4379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:38,380 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 151.0) internal successors, (4379), 29 states have internal predecessors, (4379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:38,381 INFO L186 Difference]: Start difference. First operand has 194 places, 191 transitions, 883 flow. Second operand 28 states and 2751 transitions. [2021-12-28 02:51:38,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 262 transitions, 1670 flow [2021-12-28 02:51:38,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 262 transitions, 1639 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-12-28 02:51:38,461 INFO L242 Difference]: Finished difference. Result has 231 places, 213 transitions, 1154 flow [2021-12-28 02:51:38,461 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=1154, PETRI_PLACES=231, PETRI_TRANSITIONS=213} [2021-12-28 02:51:38,462 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 88 predicate places. [2021-12-28 02:51:38,462 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 213 transitions, 1154 flow [2021-12-28 02:51:38,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 95.82608695652173) internal successors, (2204), 23 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:38,463 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:38,464 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] [2021-12-28 02:51:38,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 02:51:38,464 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:38,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:38,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1574289521, now seen corresponding path program 4 times [2021-12-28 02:51:38,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:38,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766500856] [2021-12-28 02:51:38,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:38,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:39,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:39,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766500856] [2021-12-28 02:51:39,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766500856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:39,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:39,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-12-28 02:51:39,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323471635] [2021-12-28 02:51:39,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:39,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-28 02:51:39,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:39,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-28 02:51:39,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2021-12-28 02:51:39,338 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 151 [2021-12-28 02:51:39,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 213 transitions, 1154 flow. Second operand has 23 states, 23 states have (on average 95.82608695652173) internal successors, (2204), 23 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:39,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:39,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 151 [2021-12-28 02:51:39,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:41,559 INFO L129 PetriNetUnfolder]: 2286/6866 cut-off events. [2021-12-28 02:51:41,559 INFO L130 PetriNetUnfolder]: For 37878/38209 co-relation queries the response was YES. [2021-12-28 02:51:41,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26647 conditions, 6866 events. 2286/6866 cut-off events. For 37878/38209 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 68217 event pairs, 738 based on Foata normal form. 144/6686 useless extension candidates. Maximal degree in co-relation 26495. Up to 2323 conditions per place. [2021-12-28 02:51:41,634 INFO L132 encePairwiseOnDemand]: 126/151 looper letters, 103 selfloop transitions, 94 changer transitions 23/314 dead transitions. [2021-12-28 02:51:41,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 257 places, 314 transitions, 2540 flow [2021-12-28 02:51:41,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-12-28 02:51:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-12-28 02:51:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 3539 transitions. [2021-12-28 02:51:41,639 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6510301692420898 [2021-12-28 02:51:41,639 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 3539 transitions. [2021-12-28 02:51:41,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 3539 transitions. [2021-12-28 02:51:41,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:41,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 3539 transitions. [2021-12-28 02:51:41,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 98.30555555555556) internal successors, (3539), 36 states have internal predecessors, (3539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:41,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 151.0) internal successors, (5587), 37 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:41,650 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 151.0) internal successors, (5587), 37 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:41,650 INFO L186 Difference]: Start difference. First operand has 231 places, 213 transitions, 1154 flow. Second operand 36 states and 3539 transitions. [2021-12-28 02:51:41,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 257 places, 314 transitions, 2540 flow [2021-12-28 02:51:41,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 314 transitions, 2408 flow, removed 56 selfloop flow, removed 16 redundant places. [2021-12-28 02:51:41,761 INFO L242 Difference]: Finished difference. Result has 251 places, 269 transitions, 2088 flow [2021-12-28 02:51:41,762 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=2088, PETRI_PLACES=251, PETRI_TRANSITIONS=269} [2021-12-28 02:51:41,762 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 108 predicate places. [2021-12-28 02:51:41,762 INFO L470 AbstractCegarLoop]: Abstraction has has 251 places, 269 transitions, 2088 flow [2021-12-28 02:51:41,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 95.82608695652173) internal successors, (2204), 23 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:41,763 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:41,763 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] [2021-12-28 02:51:41,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-28 02:51:41,763 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:41,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:41,764 INFO L85 PathProgramCache]: Analyzing trace with hash -2060698087, now seen corresponding path program 1 times [2021-12-28 02:51:41,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:41,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472799454] [2021-12-28 02:51:41,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:41,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:41,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:41,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472799454] [2021-12-28 02:51:41,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472799454] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:41,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:41,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 02:51:41,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743921467] [2021-12-28 02:51:41,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:41,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 02:51:41,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:41,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 02:51:41,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-28 02:51:41,859 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 151 [2021-12-28 02:51:41,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 269 transitions, 2088 flow. Second operand has 8 states, 8 states have (on average 127.25) internal successors, (1018), 8 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:41,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:41,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 151 [2021-12-28 02:51:41,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:43,009 INFO L129 PetriNetUnfolder]: 2993/6817 cut-off events. [2021-12-28 02:51:43,009 INFO L130 PetriNetUnfolder]: For 36956/37658 co-relation queries the response was YES. [2021-12-28 02:51:43,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29339 conditions, 6817 events. 2993/6817 cut-off events. For 36956/37658 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 58148 event pairs, 95 based on Foata normal form. 394/7095 useless extension candidates. Maximal degree in co-relation 29203. Up to 1540 conditions per place. [2021-12-28 02:51:43,068 INFO L132 encePairwiseOnDemand]: 141/151 looper letters, 162 selfloop transitions, 25 changer transitions 115/438 dead transitions. [2021-12-28 02:51:43,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 438 transitions, 4367 flow [2021-12-28 02:51:43,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 02:51:43,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-28 02:51:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1481 transitions. [2021-12-28 02:51:43,072 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8916315472606864 [2021-12-28 02:51:43,072 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1481 transitions. [2021-12-28 02:51:43,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1481 transitions. [2021-12-28 02:51:43,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:43,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1481 transitions. [2021-12-28 02:51:43,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 134.63636363636363) internal successors, (1481), 11 states have internal predecessors, (1481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:43,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 151.0) internal successors, (1812), 12 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:43,076 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 151.0) internal successors, (1812), 12 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:43,076 INFO L186 Difference]: Start difference. First operand has 251 places, 269 transitions, 2088 flow. Second operand 11 states and 1481 transitions. [2021-12-28 02:51:43,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 438 transitions, 4367 flow [2021-12-28 02:51:43,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 438 transitions, 3646 flow, removed 337 selfloop flow, removed 26 redundant places. [2021-12-28 02:51:43,142 INFO L242 Difference]: Finished difference. Result has 228 places, 221 transitions, 1308 flow [2021-12-28 02:51:43,143 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=1207, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1308, PETRI_PLACES=228, PETRI_TRANSITIONS=221} [2021-12-28 02:51:43,143 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 85 predicate places. [2021-12-28 02:51:43,143 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 221 transitions, 1308 flow [2021-12-28 02:51:43,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 127.25) internal successors, (1018), 8 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:43,144 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:43,144 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] [2021-12-28 02:51:43,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-28 02:51:43,144 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:43,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash 833367974, now seen corresponding path program 1 times [2021-12-28 02:51:43,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:43,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599748534] [2021-12-28 02:51:43,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:43,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:44,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:44,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599748534] [2021-12-28 02:51:44,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599748534] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:44,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:44,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-28 02:51:44,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699355949] [2021-12-28 02:51:44,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:44,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-28 02:51:44,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:44,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-28 02:51:44,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2021-12-28 02:51:44,310 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 151 [2021-12-28 02:51:44,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 221 transitions, 1308 flow. Second operand has 27 states, 27 states have (on average 92.70370370370371) internal successors, (2503), 27 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:44,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:44,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 151 [2021-12-28 02:51:44,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:46,019 INFO L129 PetriNetUnfolder]: 1637/5455 cut-off events. [2021-12-28 02:51:46,019 INFO L130 PetriNetUnfolder]: For 19143/19671 co-relation queries the response was YES. [2021-12-28 02:51:46,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19745 conditions, 5455 events. 1637/5455 cut-off events. For 19143/19671 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 56751 event pairs, 357 based on Foata normal form. 25/5258 useless extension candidates. Maximal degree in co-relation 19601. Up to 1384 conditions per place. [2021-12-28 02:51:46,081 INFO L132 encePairwiseOnDemand]: 125/151 looper letters, 91 selfloop transitions, 51 changer transitions 13/264 dead transitions. [2021-12-28 02:51:46,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 264 transitions, 1969 flow [2021-12-28 02:51:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-28 02:51:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-12-28 02:51:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 2738 transitions. [2021-12-28 02:51:46,084 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6252569079698561 [2021-12-28 02:51:46,084 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 2738 transitions. [2021-12-28 02:51:46,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 2738 transitions. [2021-12-28 02:51:46,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:46,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 2738 transitions. [2021-12-28 02:51:46,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 94.41379310344827) internal successors, (2738), 29 states have internal predecessors, (2738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:46,092 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 151.0) internal successors, (4530), 30 states have internal predecessors, (4530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:46,093 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 151.0) internal successors, (4530), 30 states have internal predecessors, (4530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:46,093 INFO L186 Difference]: Start difference. First operand has 228 places, 221 transitions, 1308 flow. Second operand 29 states and 2738 transitions. [2021-12-28 02:51:46,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 264 transitions, 1969 flow [2021-12-28 02:51:46,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 264 transitions, 1828 flow, removed 63 selfloop flow, removed 10 redundant places. [2021-12-28 02:51:46,289 INFO L242 Difference]: Finished difference. Result has 242 places, 240 transitions, 1507 flow [2021-12-28 02:51:46,290 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=1183, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=1507, PETRI_PLACES=242, PETRI_TRANSITIONS=240} [2021-12-28 02:51:46,290 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 99 predicate places. [2021-12-28 02:51:46,290 INFO L470 AbstractCegarLoop]: Abstraction has has 242 places, 240 transitions, 1507 flow [2021-12-28 02:51:46,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 92.70370370370371) internal successors, (2503), 27 states have internal predecessors, (2503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:46,291 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:46,291 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] [2021-12-28 02:51:46,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-28 02:51:46,292 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:46,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:46,292 INFO L85 PathProgramCache]: Analyzing trace with hash -742659332, now seen corresponding path program 2 times [2021-12-28 02:51:46,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:46,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985653382] [2021-12-28 02:51:46,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:46,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:47,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:47,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985653382] [2021-12-28 02:51:47,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985653382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:47,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:47,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-12-28 02:51:47,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045549287] [2021-12-28 02:51:47,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:47,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-12-28 02:51:47,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:47,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-12-28 02:51:47,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1029, Unknown=0, NotChecked=0, Total=1190 [2021-12-28 02:51:47,824 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 151 [2021-12-28 02:51:47,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 240 transitions, 1507 flow. Second operand has 35 states, 35 states have (on average 83.57142857142857) internal successors, (2925), 35 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:47,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:47,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 151 [2021-12-28 02:51:47,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:51,314 INFO L129 PetriNetUnfolder]: 2177/7462 cut-off events. [2021-12-28 02:51:51,315 INFO L130 PetriNetUnfolder]: For 17619/18182 co-relation queries the response was YES. [2021-12-28 02:51:51,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23028 conditions, 7462 events. 2177/7462 cut-off events. For 17619/18182 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 84600 event pairs, 373 based on Foata normal form. 66/7269 useless extension candidates. Maximal degree in co-relation 22869. Up to 1389 conditions per place. [2021-12-28 02:51:51,396 INFO L132 encePairwiseOnDemand]: 117/151 looper letters, 123 selfloop transitions, 100 changer transitions 36/359 dead transitions. [2021-12-28 02:51:51,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 359 transitions, 3060 flow [2021-12-28 02:51:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-12-28 02:51:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2021-12-28 02:51:51,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 3942 transitions. [2021-12-28 02:51:51,404 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5675208753239275 [2021-12-28 02:51:51,405 INFO L72 ComplementDD]: Start complementDD. Operand 46 states and 3942 transitions. [2021-12-28 02:51:51,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 3942 transitions. [2021-12-28 02:51:51,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:51,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 46 states and 3942 transitions. [2021-12-28 02:51:51,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 47 states, 46 states have (on average 85.69565217391305) internal successors, (3942), 46 states have internal predecessors, (3942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:51,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 47 states, 47 states have (on average 151.0) internal successors, (7097), 47 states have internal predecessors, (7097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:51,415 INFO L81 ComplementDD]: Finished complementDD. Result has 47 states, 47 states have (on average 151.0) internal successors, (7097), 47 states have internal predecessors, (7097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:51,415 INFO L186 Difference]: Start difference. First operand has 242 places, 240 transitions, 1507 flow. Second operand 46 states and 3942 transitions. [2021-12-28 02:51:51,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 359 transitions, 3060 flow [2021-12-28 02:51:51,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 359 transitions, 2916 flow, removed 54 selfloop flow, removed 21 redundant places. [2021-12-28 02:51:51,570 INFO L242 Difference]: Finished difference. Result has 280 places, 283 transitions, 2157 flow [2021-12-28 02:51:51,570 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=1423, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=2157, PETRI_PLACES=280, PETRI_TRANSITIONS=283} [2021-12-28 02:51:51,571 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 137 predicate places. [2021-12-28 02:51:51,571 INFO L470 AbstractCegarLoop]: Abstraction has has 280 places, 283 transitions, 2157 flow [2021-12-28 02:51:51,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 83.57142857142857) internal successors, (2925), 35 states have internal predecessors, (2925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:51,572 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:51,572 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:51:51,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-28 02:51:51,572 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:51,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:51,573 INFO L85 PathProgramCache]: Analyzing trace with hash 841785986, now seen corresponding path program 3 times [2021-12-28 02:51:51,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:51,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748567673] [2021-12-28 02:51:51,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:51,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:51,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:51,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748567673] [2021-12-28 02:51:51,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748567673] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:51,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:51,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-12-28 02:51:51,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805871740] [2021-12-28 02:51:51,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:51,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-28 02:51:51,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:51,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-28 02:51:51,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-12-28 02:51:51,965 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 151 [2021-12-28 02:51:51,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 283 transitions, 2157 flow. Second operand has 17 states, 17 states have (on average 113.94117647058823) internal successors, (1937), 17 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:51,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:51,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 151 [2021-12-28 02:51:51,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:53,506 INFO L129 PetriNetUnfolder]: 2626/9424 cut-off events. [2021-12-28 02:51:53,506 INFO L130 PetriNetUnfolder]: For 26926/27590 co-relation queries the response was YES. [2021-12-28 02:51:53,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29483 conditions, 9424 events. 2626/9424 cut-off events. For 26926/27590 co-relation queries the response was YES. Maximal size of possible extension queue 844. Compared 114902 event pairs, 309 based on Foata normal form. 60/9113 useless extension candidates. Maximal degree in co-relation 29317. Up to 1263 conditions per place. [2021-12-28 02:51:53,631 INFO L132 encePairwiseOnDemand]: 135/151 looper letters, 131 selfloop transitions, 39 changer transitions 25/330 dead transitions. [2021-12-28 02:51:53,631 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 330 transitions, 3122 flow [2021-12-28 02:51:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 02:51:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-28 02:51:53,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1982 transitions. [2021-12-28 02:51:53,633 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7721075185040904 [2021-12-28 02:51:53,633 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1982 transitions. [2021-12-28 02:51:53,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1982 transitions. [2021-12-28 02:51:53,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:53,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1982 transitions. [2021-12-28 02:51:53,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 116.58823529411765) internal successors, (1982), 17 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:53,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 151.0) internal successors, (2718), 18 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:53,638 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 151.0) internal successors, (2718), 18 states have internal predecessors, (2718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:53,638 INFO L186 Difference]: Start difference. First operand has 280 places, 283 transitions, 2157 flow. Second operand 17 states and 1982 transitions. [2021-12-28 02:51:53,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 330 transitions, 3122 flow [2021-12-28 02:51:53,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 330 transitions, 2836 flow, removed 109 selfloop flow, removed 34 redundant places. [2021-12-28 02:51:53,925 INFO L242 Difference]: Finished difference. Result has 258 places, 291 transitions, 2230 flow [2021-12-28 02:51:53,926 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=1975, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2230, PETRI_PLACES=258, PETRI_TRANSITIONS=291} [2021-12-28 02:51:53,926 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 115 predicate places. [2021-12-28 02:51:53,926 INFO L470 AbstractCegarLoop]: Abstraction has has 258 places, 291 transitions, 2230 flow [2021-12-28 02:51:53,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 113.94117647058823) internal successors, (1937), 17 states have internal predecessors, (1937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:53,927 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:53,927 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] [2021-12-28 02:51:53,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-28 02:51:53,927 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:53,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:53,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1063335082, now seen corresponding path program 4 times [2021-12-28 02:51:53,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:53,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412996507] [2021-12-28 02:51:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:53,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:54,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:54,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412996507] [2021-12-28 02:51:54,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412996507] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:54,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:54,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-12-28 02:51:54,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910350642] [2021-12-28 02:51:54,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:54,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-28 02:51:54,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:54,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-28 02:51:54,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2021-12-28 02:51:54,750 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 151 [2021-12-28 02:51:54,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 291 transitions, 2230 flow. Second operand has 25 states, 25 states have (on average 94.76) internal successors, (2369), 25 states have internal predecessors, (2369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:54,751 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:54,751 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 151 [2021-12-28 02:51:54,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:51:56,919 INFO L129 PetriNetUnfolder]: 2854/10102 cut-off events. [2021-12-28 02:51:56,919 INFO L130 PetriNetUnfolder]: For 25773/26118 co-relation queries the response was YES. [2021-12-28 02:51:57,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31274 conditions, 10102 events. 2854/10102 cut-off events. For 25773/26118 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 124516 event pairs, 372 based on Foata normal form. 42/9748 useless extension candidates. Maximal degree in co-relation 31112. Up to 1371 conditions per place. [2021-12-28 02:51:57,048 INFO L132 encePairwiseOnDemand]: 128/151 looper letters, 105 selfloop transitions, 93 changer transitions 26/344 dead transitions. [2021-12-28 02:51:57,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 344 transitions, 3338 flow [2021-12-28 02:51:57,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-28 02:51:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-12-28 02:51:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 3092 transitions. [2021-12-28 02:51:57,051 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6399006622516556 [2021-12-28 02:51:57,051 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 3092 transitions. [2021-12-28 02:51:57,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 3092 transitions. [2021-12-28 02:51:57,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:51:57,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 3092 transitions. [2021-12-28 02:51:57,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 96.625) internal successors, (3092), 32 states have internal predecessors, (3092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:57,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 151.0) internal successors, (4983), 33 states have internal predecessors, (4983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:57,059 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 151.0) internal successors, (4983), 33 states have internal predecessors, (4983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:57,059 INFO L186 Difference]: Start difference. First operand has 258 places, 291 transitions, 2230 flow. Second operand 32 states and 3092 transitions. [2021-12-28 02:51:57,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 344 transitions, 3338 flow [2021-12-28 02:51:57,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 344 transitions, 3173 flow, removed 74 selfloop flow, removed 14 redundant places. [2021-12-28 02:51:57,433 INFO L242 Difference]: Finished difference. Result has 281 places, 300 transitions, 2622 flow [2021-12-28 02:51:57,434 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=2163, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=2622, PETRI_PLACES=281, PETRI_TRANSITIONS=300} [2021-12-28 02:51:57,434 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 138 predicate places. [2021-12-28 02:51:57,434 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 300 transitions, 2622 flow [2021-12-28 02:51:57,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 94.76) internal successors, (2369), 25 states have internal predecessors, (2369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:57,435 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:51:57,435 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] [2021-12-28 02:51:57,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-28 02:51:57,435 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:51:57,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:51:57,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1205145827, now seen corresponding path program 1 times [2021-12-28 02:51:57,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:51:57,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068520264] [2021-12-28 02:51:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:51:57,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:51:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:51:57,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:51:57,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:51:57,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068520264] [2021-12-28 02:51:57,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068520264] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:51:57,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:51:57,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 02:51:57,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304740270] [2021-12-28 02:51:57,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:51:57,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 02:51:57,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:51:57,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 02:51:57,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-28 02:51:57,538 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 151 [2021-12-28 02:51:57,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 300 transitions, 2622 flow. Second operand has 9 states, 9 states have (on average 127.22222222222223) internal successors, (1145), 9 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:51:57,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:51:57,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 151 [2021-12-28 02:51:57,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:00,564 INFO L129 PetriNetUnfolder]: 7473/16796 cut-off events. [2021-12-28 02:52:00,564 INFO L130 PetriNetUnfolder]: For 96905/99430 co-relation queries the response was YES. [2021-12-28 02:52:00,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74277 conditions, 16796 events. 7473/16796 cut-off events. For 96905/99430 co-relation queries the response was YES. Maximal size of possible extension queue 1335. Compared 178446 event pairs, 376 based on Foata normal form. 803/16968 useless extension candidates. Maximal degree in co-relation 74201. Up to 3601 conditions per place. [2021-12-28 02:52:00,717 INFO L132 encePairwiseOnDemand]: 141/151 looper letters, 246 selfloop transitions, 31 changer transitions 182/636 dead transitions. [2021-12-28 02:52:00,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 636 transitions, 7928 flow [2021-12-28 02:52:00,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-28 02:52:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-28 02:52:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1849 transitions. [2021-12-28 02:52:00,719 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8746452223273415 [2021-12-28 02:52:00,720 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1849 transitions. [2021-12-28 02:52:00,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1849 transitions. [2021-12-28 02:52:00,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:00,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1849 transitions. [2021-12-28 02:52:00,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 132.07142857142858) internal successors, (1849), 14 states have internal predecessors, (1849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:00,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 151.0) internal successors, (2265), 15 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:00,723 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 151.0) internal successors, (2265), 15 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:00,724 INFO L186 Difference]: Start difference. First operand has 281 places, 300 transitions, 2622 flow. Second operand 14 states and 1849 transitions. [2021-12-28 02:52:00,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 636 transitions, 7928 flow [2021-12-28 02:52:01,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 636 transitions, 7344 flow, removed 220 selfloop flow, removed 33 redundant places. [2021-12-28 02:52:01,343 INFO L242 Difference]: Finished difference. Result has 258 places, 296 transitions, 2427 flow [2021-12-28 02:52:01,343 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=2382, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2427, PETRI_PLACES=258, PETRI_TRANSITIONS=296} [2021-12-28 02:52:01,344 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 115 predicate places. [2021-12-28 02:52:01,344 INFO L470 AbstractCegarLoop]: Abstraction has has 258 places, 296 transitions, 2427 flow [2021-12-28 02:52:01,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 127.22222222222223) internal successors, (1145), 9 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:01,344 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:01,344 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:52:01,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-28 02:52:01,345 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:52:01,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:01,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1611621748, now seen corresponding path program 1 times [2021-12-28 02:52:01,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:01,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467977032] [2021-12-28 02:52:01,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:01,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:02,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:02,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467977032] [2021-12-28 02:52:02,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467977032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:02,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:02,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-28 02:52:02,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724704612] [2021-12-28 02:52:02,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:02,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-28 02:52:02,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:02,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-28 02:52:02,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2021-12-28 02:52:02,211 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 151 [2021-12-28 02:52:02,213 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 296 transitions, 2427 flow. Second operand has 27 states, 27 states have (on average 97.62962962962963) internal successors, (2636), 27 states have internal predecessors, (2636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:02,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:02,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 151 [2021-12-28 02:52:02,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:06,019 INFO L129 PetriNetUnfolder]: 5743/21720 cut-off events. [2021-12-28 02:52:06,019 INFO L130 PetriNetUnfolder]: For 63956/66237 co-relation queries the response was YES. [2021-12-28 02:52:06,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72115 conditions, 21720 events. 5743/21720 cut-off events. For 63956/66237 co-relation queries the response was YES. Maximal size of possible extension queue 2239. Compared 321608 event pairs, 372 based on Foata normal form. 84/20810 useless extension candidates. Maximal degree in co-relation 71966. Up to 3190 conditions per place. [2021-12-28 02:52:06,224 INFO L132 encePairwiseOnDemand]: 129/151 looper letters, 130 selfloop transitions, 69 changer transitions 93/414 dead transitions. [2021-12-28 02:52:06,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 414 transitions, 4127 flow [2021-12-28 02:52:06,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-28 02:52:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-12-28 02:52:06,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2991 transitions. [2021-12-28 02:52:06,227 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6602649006622516 [2021-12-28 02:52:06,227 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2991 transitions. [2021-12-28 02:52:06,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2991 transitions. [2021-12-28 02:52:06,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:06,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2991 transitions. [2021-12-28 02:52:06,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 99.7) internal successors, (2991), 30 states have internal predecessors, (2991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:06,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 151.0) internal successors, (4681), 31 states have internal predecessors, (4681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:06,233 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 151.0) internal successors, (4681), 31 states have internal predecessors, (4681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:06,233 INFO L186 Difference]: Start difference. First operand has 258 places, 296 transitions, 2427 flow. Second operand 30 states and 2991 transitions. [2021-12-28 02:52:06,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 414 transitions, 4127 flow [2021-12-28 02:52:09,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 414 transitions, 3972 flow, removed 48 selfloop flow, removed 16 redundant places. [2021-12-28 02:52:09,572 INFO L242 Difference]: Finished difference. Result has 284 places, 297 transitions, 2582 flow [2021-12-28 02:52:09,572 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=2306, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=2582, PETRI_PLACES=284, PETRI_TRANSITIONS=297} [2021-12-28 02:52:09,573 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 141 predicate places. [2021-12-28 02:52:09,573 INFO L470 AbstractCegarLoop]: Abstraction has has 284 places, 297 transitions, 2582 flow [2021-12-28 02:52:09,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 97.62962962962963) internal successors, (2636), 27 states have internal predecessors, (2636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:09,574 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:09,574 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] [2021-12-28 02:52:09,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-28 02:52:09,574 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:52:09,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:09,574 INFO L85 PathProgramCache]: Analyzing trace with hash 879687732, now seen corresponding path program 2 times [2021-12-28 02:52:09,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:09,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500947143] [2021-12-28 02:52:09,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:09,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:10,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:10,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500947143] [2021-12-28 02:52:10,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500947143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:10,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:10,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-12-28 02:52:10,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760578745] [2021-12-28 02:52:10,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:10,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-12-28 02:52:10,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:10,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-12-28 02:52:10,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=629, Unknown=0, NotChecked=0, Total=812 [2021-12-28 02:52:10,744 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 151 [2021-12-28 02:52:10,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 297 transitions, 2582 flow. Second operand has 29 states, 29 states have (on average 92.6896551724138) internal successors, (2688), 29 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:10,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:10,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 151 [2021-12-28 02:52:10,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:14,951 INFO L129 PetriNetUnfolder]: 5599/21065 cut-off events. [2021-12-28 02:52:14,952 INFO L130 PetriNetUnfolder]: For 41511/42479 co-relation queries the response was YES. [2021-12-28 02:52:15,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58288 conditions, 21065 events. 5599/21065 cut-off events. For 41511/42479 co-relation queries the response was YES. Maximal size of possible extension queue 2146. Compared 311342 event pairs, 339 based on Foata normal form. 97/20187 useless extension candidates. Maximal degree in co-relation 58215. Up to 2488 conditions per place. [2021-12-28 02:52:15,178 INFO L132 encePairwiseOnDemand]: 127/151 looper letters, 82 selfloop transitions, 62 changer transitions 97/356 dead transitions. [2021-12-28 02:52:15,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 356 transitions, 3694 flow [2021-12-28 02:52:15,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-28 02:52:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-12-28 02:52:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 2918 transitions. [2021-12-28 02:52:15,181 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6233710745567187 [2021-12-28 02:52:15,181 INFO L72 ComplementDD]: Start complementDD. Operand 31 states and 2918 transitions. [2021-12-28 02:52:15,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 2918 transitions. [2021-12-28 02:52:15,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:15,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 31 states and 2918 transitions. [2021-12-28 02:52:15,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 32 states, 31 states have (on average 94.12903225806451) internal successors, (2918), 31 states have internal predecessors, (2918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:15,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 32 states, 32 states have (on average 151.0) internal successors, (4832), 32 states have internal predecessors, (4832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:15,188 INFO L81 ComplementDD]: Finished complementDD. Result has 32 states, 32 states have (on average 151.0) internal successors, (4832), 32 states have internal predecessors, (4832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:15,188 INFO L186 Difference]: Start difference. First operand has 284 places, 297 transitions, 2582 flow. Second operand 31 states and 2918 transitions. [2021-12-28 02:52:15,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 356 transitions, 3694 flow [2021-12-28 02:52:17,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 356 transitions, 3491 flow, removed 55 selfloop flow, removed 32 redundant places. [2021-12-28 02:52:17,033 INFO L242 Difference]: Finished difference. Result has 278 places, 255 transitions, 2080 flow [2021-12-28 02:52:17,034 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=2440, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=2080, PETRI_PLACES=278, PETRI_TRANSITIONS=255} [2021-12-28 02:52:17,034 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 135 predicate places. [2021-12-28 02:52:17,034 INFO L470 AbstractCegarLoop]: Abstraction has has 278 places, 255 transitions, 2080 flow [2021-12-28 02:52:17,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 92.6896551724138) internal successors, (2688), 29 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:17,035 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:17,035 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] [2021-12-28 02:52:17,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-28 02:52:17,035 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:52:17,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:17,036 INFO L85 PathProgramCache]: Analyzing trace with hash -216848264, now seen corresponding path program 3 times [2021-12-28 02:52:17,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:17,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299663891] [2021-12-28 02:52:17,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:17,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:17,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:17,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299663891] [2021-12-28 02:52:17,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299663891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:17,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:17,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-12-28 02:52:17,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115507560] [2021-12-28 02:52:17,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:17,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-12-28 02:52:17,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:17,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-12-28 02:52:17,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2021-12-28 02:52:17,967 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 151 [2021-12-28 02:52:17,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 255 transitions, 2080 flow. Second operand has 27 states, 27 states have (on average 93.74074074074075) internal successors, (2531), 27 states have internal predecessors, (2531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:17,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:17,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 151 [2021-12-28 02:52:17,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:52:21,272 INFO L129 PetriNetUnfolder]: 4775/18101 cut-off events. [2021-12-28 02:52:21,273 INFO L130 PetriNetUnfolder]: For 31122/31745 co-relation queries the response was YES. [2021-12-28 02:52:21,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46682 conditions, 18101 events. 4775/18101 cut-off events. For 31122/31745 co-relation queries the response was YES. Maximal size of possible extension queue 1921. Compared 264165 event pairs, 294 based on Foata normal form. 68/17482 useless extension candidates. Maximal degree in co-relation 46635. Up to 2516 conditions per place. [2021-12-28 02:52:21,421 INFO L132 encePairwiseOnDemand]: 125/151 looper letters, 119 selfloop transitions, 100 changer transitions 27/363 dead transitions. [2021-12-28 02:52:21,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 363 transitions, 3801 flow [2021-12-28 02:52:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-12-28 02:52:21,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-12-28 02:52:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 3157 transitions. [2021-12-28 02:52:21,427 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6335540838852097 [2021-12-28 02:52:21,427 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 3157 transitions. [2021-12-28 02:52:21,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 3157 transitions. [2021-12-28 02:52:21,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:52:21,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 3157 transitions. [2021-12-28 02:52:21,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 95.66666666666667) internal successors, (3157), 33 states have internal predecessors, (3157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:21,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 151.0) internal successors, (5134), 34 states have internal predecessors, (5134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:21,436 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 151.0) internal successors, (5134), 34 states have internal predecessors, (5134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:21,436 INFO L186 Difference]: Start difference. First operand has 278 places, 255 transitions, 2080 flow. Second operand 33 states and 3157 transitions. [2021-12-28 02:52:21,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 363 transitions, 3801 flow [2021-12-28 02:52:22,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 363 transitions, 3448 flow, removed 78 selfloop flow, removed 36 redundant places. [2021-12-28 02:52:22,763 INFO L242 Difference]: Finished difference. Result has 273 places, 300 transitions, 2748 flow [2021-12-28 02:52:22,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=1871, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=2748, PETRI_PLACES=273, PETRI_TRANSITIONS=300} [2021-12-28 02:52:22,764 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 130 predicate places. [2021-12-28 02:52:22,764 INFO L470 AbstractCegarLoop]: Abstraction has has 273 places, 300 transitions, 2748 flow [2021-12-28 02:52:22,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 93.74074074074075) internal successors, (2531), 27 states have internal predecessors, (2531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:22,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:52:22,764 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] [2021-12-28 02:52:22,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-28 02:52:22,764 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-12-28 02:52:22,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:52:22,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1859758930, now seen corresponding path program 4 times [2021-12-28 02:52:22,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:52:22,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514722086] [2021-12-28 02:52:22,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:52:22,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:52:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:52:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:52:23,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:52:23,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514722086] [2021-12-28 02:52:23,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514722086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:52:23,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:52:23,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-12-28 02:52:23,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893985751] [2021-12-28 02:52:23,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:52:23,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-28 02:52:23,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:52:23,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-28 02:52:23,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2021-12-28 02:52:23,781 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 151 [2021-12-28 02:52:23,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 300 transitions, 2748 flow. Second operand has 28 states, 28 states have (on average 93.67857142857143) internal successors, (2623), 28 states have internal predecessors, (2623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:52:23,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:52:23,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 151 [2021-12-28 02:52:23,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand