./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-match-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-match-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 16:47:46,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 16:47:46,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 16:47:46,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 16:47:46,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 16:47:46,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 16:47:46,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 16:47:46,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 16:47:46,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 16:47:46,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 16:47:46,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 16:47:46,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 16:47:46,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 16:47:46,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 16:47:46,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 16:47:46,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 16:47:46,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 16:47:46,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 16:47:46,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 16:47:46,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 16:47:46,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 16:47:46,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 16:47:46,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 16:47:46,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 16:47:46,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 16:47:46,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 16:47:46,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 16:47:46,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 16:47:46,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 16:47:46,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 16:47:46,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 16:47:46,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 16:47:46,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 16:47:46,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 16:47:46,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 16:47:46,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 16:47:46,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 16:47:46,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 16:47:46,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 16:47:46,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 16:47:46,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 16:47:46,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-14 16:47:46,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 16:47:46,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 16:47:46,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 16:47:46,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 16:47:46,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 16:47:46,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 16:47:46,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 16:47:46,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 16:47:46,590 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 16:47:46,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 16:47:46,591 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 16:47:46,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 16:47:46,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 16:47:46,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 16:47:46,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 16:47:46,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 16:47:46,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 16:47:46,592 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 16:47:46,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 16:47:46,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 16:47:46,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 16:47:46,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 16:47:46,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 16:47:46,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 16:47:46,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:47:46,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 16:47:46,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 16:47:46,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 16:47:46,593 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 16:47:46,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 16:47:46,594 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 16:47:46,594 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 16:47:46,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 16:47:46,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 16:47:46,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff [2021-12-14 16:47:46,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 16:47:46,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 16:47:46,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 16:47:46,848 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 16:47:46,848 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 16:47:46,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2021-12-14 16:47:46,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fadfc8cbc/9cd95f9823874bd49d9eb934c49dcb25/FLAG98347d090 [2021-12-14 16:47:47,210 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 16:47:47,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2021-12-14 16:47:47,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fadfc8cbc/9cd95f9823874bd49d9eb934c49dcb25/FLAG98347d090 [2021-12-14 16:47:47,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fadfc8cbc/9cd95f9823874bd49d9eb934c49dcb25 [2021-12-14 16:47:47,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 16:47:47,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 16:47:47,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 16:47:47,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 16:47:47,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 16:47:47,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35837d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47, skipping insertion in model container [2021-12-14 16:47:47,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 16:47:47,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 16:47:47,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c[2954,2967] [2021-12-14 16:47:47,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:47:47,817 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 16:47:47,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-trans.wvr.c[2954,2967] [2021-12-14 16:47:47,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 16:47:47,843 INFO L208 MainTranslator]: Completed translation [2021-12-14 16:47:47,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47 WrapperNode [2021-12-14 16:47:47,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 16:47:47,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 16:47:47,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 16:47:47,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 16:47:47,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,876 INFO L137 Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 250 [2021-12-14 16:47:47,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 16:47:47,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 16:47:47,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 16:47:47,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 16:47:47,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 16:47:47,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 16:47:47,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 16:47:47,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 16:47:47,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (1/1) ... [2021-12-14 16:47:47,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 16:47:47,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 16:47:47,951 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) [2021-12-14 16:47:47,956 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 [2021-12-14 16:47:47,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 16:47:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-14 16:47:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-14 16:47:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-14 16:47:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-14 16:47:47,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-14 16:47:47,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-14 16:47:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 16:47:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 16:47:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 16:47:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 16:47:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 16:47:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 16:47:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 16:47:47,981 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-14 16:47:48,063 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 16:47:48,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 16:47:48,382 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 16:47:48,391 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 16:47:48,391 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 16:47:48,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:47:48 BoogieIcfgContainer [2021-12-14 16:47:48,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 16:47:48,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 16:47:48,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 16:47:48,400 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 16:47:48,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:47:47" (1/3) ... [2021-12-14 16:47:48,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58418d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:47:48, skipping insertion in model container [2021-12-14 16:47:48,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:47:47" (2/3) ... [2021-12-14 16:47:48,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58418d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:47:48, skipping insertion in model container [2021-12-14 16:47:48,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:47:48" (3/3) ... [2021-12-14 16:47:48,402 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2021-12-14 16:47:48,406 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-14 16:47:48,406 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 16:47:48,407 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 16:47:48,407 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-14 16:47:48,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,458 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,477 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,478 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,496 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,497 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,500 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,501 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,502 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,503 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,512 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,513 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,515 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,517 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,518 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,519 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,520 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,521 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,522 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,523 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,526 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,530 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,530 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,530 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,531 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,532 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,533 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,543 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,544 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,544 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,545 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,549 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,550 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,551 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,552 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,552 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,560 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,561 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,562 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,563 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,564 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,565 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,565 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,565 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,565 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,566 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,567 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,567 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,567 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,567 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,567 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,567 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,571 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,571 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,572 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,572 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,572 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,572 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,572 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,572 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,572 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,572 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,573 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,573 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,579 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,579 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,579 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,581 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,582 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,583 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,584 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,585 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,586 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,587 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,587 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,587 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,587 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,587 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,587 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,587 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,587 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,588 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,588 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,588 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,589 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,590 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,590 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,590 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,590 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,590 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,590 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,590 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,590 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,591 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,591 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,591 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,591 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,591 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,591 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,591 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,591 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,592 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,592 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,592 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,592 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,592 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,592 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,592 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,592 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,593 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,594 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,594 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,594 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,594 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,594 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,594 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,594 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,595 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,596 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,596 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,596 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,596 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,597 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,598 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,598 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,598 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,598 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,598 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,598 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,598 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,598 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,599 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,599 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,599 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,599 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,599 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,599 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,599 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,599 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,600 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,600 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,600 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,600 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,600 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,600 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,600 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,600 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,601 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,602 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,603 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,603 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,603 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,603 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,603 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,603 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,603 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,603 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,604 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,604 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,604 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,604 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,604 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,604 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,604 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,604 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,605 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,605 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,605 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,605 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,605 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,605 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,605 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,605 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,606 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,606 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,606 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,606 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,606 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,606 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,606 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,606 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,607 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,608 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,609 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,610 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,611 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,613 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,614 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,615 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,618 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,619 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,619 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,619 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,619 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,619 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,619 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,619 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s1~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_~s2~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,620 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,621 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,621 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,621 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,621 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-14 16:47:48,625 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-14 16:47:48,664 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 16:47:48,669 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 [2021-12-14 16:47:48,670 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-14 16:47:48,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 326 places, 341 transitions, 706 flow [2021-12-14 16:47:48,795 INFO L129 PetriNetUnfolder]: 25/338 cut-off events. [2021-12-14 16:47:48,795 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-14 16:47:48,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 338 events. 25/338 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 635 event pairs, 0 based on Foata normal form. 0/312 useless extension candidates. Maximal degree in co-relation 256. Up to 2 conditions per place. [2021-12-14 16:47:48,806 INFO L82 GeneralOperation]: Start removeDead. Operand has 326 places, 341 transitions, 706 flow [2021-12-14 16:47:48,813 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 312 places, 327 transitions, 672 flow [2021-12-14 16:47:48,878 INFO L129 PetriNetUnfolder]: 25/326 cut-off events. [2021-12-14 16:47:48,878 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-14 16:47:48,878 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:48,880 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:48,880 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:48,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:48,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1820755081, now seen corresponding path program 1 times [2021-12-14 16:47:48,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:48,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635169344] [2021-12-14 16:47:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:48,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:49,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:49,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635169344] [2021-12-14 16:47:49,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635169344] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:49,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:49,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:47:49,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808444321] [2021-12-14 16:47:49,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:49,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:47:49,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:49,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:47:49,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:47:49,424 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 341 [2021-12-14 16:47:49,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 327 transitions, 672 flow. Second operand has 7 states, 7 states have (on average 309.57142857142856) internal successors, (2167), 7 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:49,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:49,433 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 341 [2021-12-14 16:47:49,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:49,724 INFO L129 PetriNetUnfolder]: 87/826 cut-off events. [2021-12-14 16:47:49,724 INFO L130 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2021-12-14 16:47:49,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 826 events. 87/826 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4473 event pairs, 31 based on Foata normal form. 153/902 useless extension candidates. Maximal degree in co-relation 845. Up to 72 conditions per place. [2021-12-14 16:47:49,732 INFO L132 encePairwiseOnDemand]: 319/341 looper letters, 30 selfloop transitions, 5 changer transitions 6/335 dead transitions. [2021-12-14 16:47:49,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 335 transitions, 797 flow [2021-12-14 16:47:49,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 16:47:49,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-14 16:47:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2843 transitions. [2021-12-14 16:47:49,764 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9263603779732812 [2021-12-14 16:47:49,764 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2843 transitions. [2021-12-14 16:47:49,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2843 transitions. [2021-12-14 16:47:49,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:49,775 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2843 transitions. [2021-12-14 16:47:49,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 315.8888888888889) internal successors, (2843), 9 states have internal predecessors, (2843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:49,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:49,799 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:49,800 INFO L186 Difference]: Start difference. First operand has 312 places, 327 transitions, 672 flow. Second operand 9 states and 2843 transitions. [2021-12-14 16:47:49,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 335 transitions, 797 flow [2021-12-14 16:47:49,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 335 transitions, 767 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-14 16:47:49,813 INFO L242 Difference]: Finished difference. Result has 319 places, 315 transitions, 661 flow [2021-12-14 16:47:49,815 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=661, PETRI_PLACES=319, PETRI_TRANSITIONS=315} [2021-12-14 16:47:49,818 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 7 predicate places. [2021-12-14 16:47:49,818 INFO L470 AbstractCegarLoop]: Abstraction has has 319 places, 315 transitions, 661 flow [2021-12-14 16:47:49,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 309.57142857142856) internal successors, (2167), 7 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:49,819 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:49,820 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:49,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 16:47:49,820 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:49,821 INFO L85 PathProgramCache]: Analyzing trace with hash -566622069, now seen corresponding path program 1 times [2021-12-14 16:47:49,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:49,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563842049] [2021-12-14 16:47:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:49,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:49,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:49,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563842049] [2021-12-14 16:47:49,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563842049] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:49,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:49,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 16:47:49,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36800998] [2021-12-14 16:47:49,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:49,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 16:47:49,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:49,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 16:47:49,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 16:47:49,982 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 341 [2021-12-14 16:47:49,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 315 transitions, 661 flow. Second operand has 6 states, 6 states have (on average 313.3333333333333) internal successors, (1880), 6 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:49,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:49,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 341 [2021-12-14 16:47:49,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:50,130 INFO L129 PetriNetUnfolder]: 32/499 cut-off events. [2021-12-14 16:47:50,130 INFO L130 PetriNetUnfolder]: For 25/34 co-relation queries the response was YES. [2021-12-14 16:47:50,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 499 events. 32/499 cut-off events. For 25/34 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1902 event pairs, 9 based on Foata normal form. 5/462 useless extension candidates. Maximal degree in co-relation 580. Up to 36 conditions per place. [2021-12-14 16:47:50,150 INFO L132 encePairwiseOnDemand]: 335/341 looper letters, 21 selfloop transitions, 3 changer transitions 4/328 dead transitions. [2021-12-14 16:47:50,150 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 328 transitions, 755 flow [2021-12-14 16:47:50,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 16:47:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-14 16:47:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2206 transitions. [2021-12-14 16:47:50,155 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9241726015919565 [2021-12-14 16:47:50,155 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2206 transitions. [2021-12-14 16:47:50,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2206 transitions. [2021-12-14 16:47:50,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:50,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2206 transitions. [2021-12-14 16:47:50,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 315.14285714285717) internal successors, (2206), 7 states have internal predecessors, (2206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 341.0) internal successors, (2728), 8 states have internal predecessors, (2728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,165 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 341.0) internal successors, (2728), 8 states have internal predecessors, (2728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,165 INFO L186 Difference]: Start difference. First operand has 319 places, 315 transitions, 661 flow. Second operand 7 states and 2206 transitions. [2021-12-14 16:47:50,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 328 transitions, 755 flow [2021-12-14 16:47:50,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 328 transitions, 744 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-12-14 16:47:50,171 INFO L242 Difference]: Finished difference. Result has 322 places, 317 transitions, 677 flow [2021-12-14 16:47:50,172 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=677, PETRI_PLACES=322, PETRI_TRANSITIONS=317} [2021-12-14 16:47:50,172 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 10 predicate places. [2021-12-14 16:47:50,173 INFO L470 AbstractCegarLoop]: Abstraction has has 322 places, 317 transitions, 677 flow [2021-12-14 16:47:50,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 313.3333333333333) internal successors, (1880), 6 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,174 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:50,174 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:50,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 16:47:50,175 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:50,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:50,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1572473933, now seen corresponding path program 1 times [2021-12-14 16:47:50,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:50,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943814094] [2021-12-14 16:47:50,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:50,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:50,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:50,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943814094] [2021-12-14 16:47:50,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943814094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:50,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:50,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:50,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012271187] [2021-12-14 16:47:50,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:50,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:50,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:50,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:50,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:50,299 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:50,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 317 transitions, 677 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:50,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:50,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:50,798 INFO L129 PetriNetUnfolder]: 503/3092 cut-off events. [2021-12-14 16:47:50,799 INFO L130 PetriNetUnfolder]: For 107/107 co-relation queries the response was YES. [2021-12-14 16:47:50,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3926 conditions, 3092 events. 503/3092 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 27515 event pairs, 249 based on Foata normal form. 0/2628 useless extension candidates. Maximal degree in co-relation 3903. Up to 448 conditions per place. [2021-12-14 16:47:50,825 INFO L132 encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 2 changer transitions 3/335 dead transitions. [2021-12-14 16:47:50,825 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 335 transitions, 805 flow [2021-12-14 16:47:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 16:47:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-14 16:47:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1256 transitions. [2021-12-14 16:47:50,828 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9208211143695014 [2021-12-14 16:47:50,828 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1256 transitions. [2021-12-14 16:47:50,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1256 transitions. [2021-12-14 16:47:50,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:50,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1256 transitions. [2021-12-14 16:47:50,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,834 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,834 INFO L186 Difference]: Start difference. First operand has 322 places, 317 transitions, 677 flow. Second operand 4 states and 1256 transitions. [2021-12-14 16:47:50,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 335 transitions, 805 flow [2021-12-14 16:47:50,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 335 transitions, 800 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-12-14 16:47:50,843 INFO L242 Difference]: Finished difference. Result has 322 places, 315 transitions, 671 flow [2021-12-14 16:47:50,844 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=671, PETRI_PLACES=322, PETRI_TRANSITIONS=315} [2021-12-14 16:47:50,846 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 10 predicate places. [2021-12-14 16:47:50,846 INFO L470 AbstractCegarLoop]: Abstraction has has 322 places, 315 transitions, 671 flow [2021-12-14 16:47:50,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,847 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:50,847 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:50,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 16:47:50,848 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:50,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:50,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2140776571, now seen corresponding path program 2 times [2021-12-14 16:47:50,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:50,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503771843] [2021-12-14 16:47:50,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:50,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:50,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:50,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503771843] [2021-12-14 16:47:50,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503771843] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:50,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:50,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:50,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134704172] [2021-12-14 16:47:50,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:50,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:50,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:50,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:50,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:50,927 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:50,928 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 315 transitions, 671 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:50,928 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:50,928 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:50,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:51,376 INFO L129 PetriNetUnfolder]: 436/2996 cut-off events. [2021-12-14 16:47:51,376 INFO L130 PetriNetUnfolder]: For 259/262 co-relation queries the response was YES. [2021-12-14 16:47:51,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3824 conditions, 2996 events. 436/2996 cut-off events. For 259/262 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 26074 event pairs, 222 based on Foata normal form. 2/2677 useless extension candidates. Maximal degree in co-relation 3757. Up to 408 conditions per place. [2021-12-14 16:47:51,396 INFO L132 encePairwiseOnDemand]: 337/341 looper letters, 38 selfloop transitions, 3 changer transitions 1/332 dead transitions. [2021-12-14 16:47:51,397 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 332 transitions, 804 flow [2021-12-14 16:47:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 16:47:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-14 16:47:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1254 transitions. [2021-12-14 16:47:51,399 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9193548387096774 [2021-12-14 16:47:51,399 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1254 transitions. [2021-12-14 16:47:51,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1254 transitions. [2021-12-14 16:47:51,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:51,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1254 transitions. [2021-12-14 16:47:51,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 313.5) internal successors, (1254), 4 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:51,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:51,404 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:51,404 INFO L186 Difference]: Start difference. First operand has 322 places, 315 transitions, 671 flow. Second operand 4 states and 1254 transitions. [2021-12-14 16:47:51,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 332 transitions, 804 flow [2021-12-14 16:47:51,407 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 332 transitions, 796 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-12-14 16:47:51,411 INFO L242 Difference]: Finished difference. Result has 320 places, 317 transitions, 693 flow [2021-12-14 16:47:51,411 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=664, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=693, PETRI_PLACES=320, PETRI_TRANSITIONS=317} [2021-12-14 16:47:51,412 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 8 predicate places. [2021-12-14 16:47:51,412 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 317 transitions, 693 flow [2021-12-14 16:47:51,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:51,413 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:51,413 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:51,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 16:47:51,413 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:51,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:51,414 INFO L85 PathProgramCache]: Analyzing trace with hash -237683451, now seen corresponding path program 3 times [2021-12-14 16:47:51,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:51,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764538038] [2021-12-14 16:47:51,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:51,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:51,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:51,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764538038] [2021-12-14 16:47:51,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764538038] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:51,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:51,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:51,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645853994] [2021-12-14 16:47:51,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:51,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:51,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:51,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:51,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:51,469 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:51,470 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 317 transitions, 693 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:51,470 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:51,470 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:51,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:51,969 INFO L129 PetriNetUnfolder]: 467/3337 cut-off events. [2021-12-14 16:47:51,969 INFO L130 PetriNetUnfolder]: For 631/712 co-relation queries the response was YES. [2021-12-14 16:47:51,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4412 conditions, 3337 events. 467/3337 cut-off events. For 631/712 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 30628 event pairs, 228 based on Foata normal form. 4/3040 useless extension candidates. Maximal degree in co-relation 4201. Up to 399 conditions per place. [2021-12-14 16:47:51,994 INFO L132 encePairwiseOnDemand]: 337/341 looper letters, 41 selfloop transitions, 5 changer transitions 0/336 dead transitions. [2021-12-14 16:47:51,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 336 transitions, 845 flow [2021-12-14 16:47:51,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 16:47:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-14 16:47:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1257 transitions. [2021-12-14 16:47:51,997 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9215542521994134 [2021-12-14 16:47:51,997 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1257 transitions. [2021-12-14 16:47:51,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1257 transitions. [2021-12-14 16:47:51,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:51,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1257 transitions. [2021-12-14 16:47:51,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 314.25) internal successors, (1257), 4 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,001 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,002 INFO L186 Difference]: Start difference. First operand has 320 places, 317 transitions, 693 flow. Second operand 4 states and 1257 transitions. [2021-12-14 16:47:52,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 336 transitions, 845 flow [2021-12-14 16:47:52,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 336 transitions, 843 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-14 16:47:52,008 INFO L242 Difference]: Finished difference. Result has 324 places, 318 transitions, 720 flow [2021-12-14 16:47:52,008 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=720, PETRI_PLACES=324, PETRI_TRANSITIONS=318} [2021-12-14 16:47:52,009 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 12 predicate places. [2021-12-14 16:47:52,009 INFO L470 AbstractCegarLoop]: Abstraction has has 324 places, 318 transitions, 720 flow [2021-12-14 16:47:52,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,010 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:52,010 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:52,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 16:47:52,010 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:52,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:52,011 INFO L85 PathProgramCache]: Analyzing trace with hash 632786909, now seen corresponding path program 4 times [2021-12-14 16:47:52,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:52,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286643013] [2021-12-14 16:47:52,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:52,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:52,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:52,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286643013] [2021-12-14 16:47:52,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286643013] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:52,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:52,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:52,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307718040] [2021-12-14 16:47:52,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:52,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:52,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:52,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:52,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:52,063 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:52,064 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 318 transitions, 720 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,064 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:52,064 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:52,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:52,487 INFO L129 PetriNetUnfolder]: 464/3338 cut-off events. [2021-12-14 16:47:52,488 INFO L130 PetriNetUnfolder]: For 1011/1095 co-relation queries the response was YES. [2021-12-14 16:47:52,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4551 conditions, 3338 events. 464/3338 cut-off events. For 1011/1095 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 30555 event pairs, 226 based on Foata normal form. 4/3036 useless extension candidates. Maximal degree in co-relation 4335. Up to 399 conditions per place. [2021-12-14 16:47:52,556 INFO L132 encePairwiseOnDemand]: 337/341 looper letters, 39 selfloop transitions, 5 changer transitions 1/335 dead transitions. [2021-12-14 16:47:52,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 335 transitions, 864 flow [2021-12-14 16:47:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 16:47:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-14 16:47:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1256 transitions. [2021-12-14 16:47:52,559 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9208211143695014 [2021-12-14 16:47:52,559 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1256 transitions. [2021-12-14 16:47:52,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1256 transitions. [2021-12-14 16:47:52,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:52,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1256 transitions. [2021-12-14 16:47:52,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,565 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,565 INFO L186 Difference]: Start difference. First operand has 324 places, 318 transitions, 720 flow. Second operand 4 states and 1256 transitions. [2021-12-14 16:47:52,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 335 transitions, 864 flow [2021-12-14 16:47:52,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 335 transitions, 860 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-14 16:47:52,572 INFO L242 Difference]: Finished difference. Result has 328 places, 319 transitions, 746 flow [2021-12-14 16:47:52,573 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=746, PETRI_PLACES=328, PETRI_TRANSITIONS=319} [2021-12-14 16:47:52,575 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 16 predicate places. [2021-12-14 16:47:52,575 INFO L470 AbstractCegarLoop]: Abstraction has has 328 places, 319 transitions, 746 flow [2021-12-14 16:47:52,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,575 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:52,576 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:52,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 16:47:52,576 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:52,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:52,577 INFO L85 PathProgramCache]: Analyzing trace with hash 42985117, now seen corresponding path program 5 times [2021-12-14 16:47:52,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:52,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945171053] [2021-12-14 16:47:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:52,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:52,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:52,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945171053] [2021-12-14 16:47:52,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945171053] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:52,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:52,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:52,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954008905] [2021-12-14 16:47:52,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:52,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:52,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:52,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:52,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:52,642 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:52,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 319 transitions, 746 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:52,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:52,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:52,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:53,114 INFO L129 PetriNetUnfolder]: 486/3495 cut-off events. [2021-12-14 16:47:53,114 INFO L130 PetriNetUnfolder]: For 1637/1815 co-relation queries the response was YES. [2021-12-14 16:47:53,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4842 conditions, 3495 events. 486/3495 cut-off events. For 1637/1815 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 32098 event pairs, 259 based on Foata normal form. 1/3158 useless extension candidates. Maximal degree in co-relation 4594. Up to 480 conditions per place. [2021-12-14 16:47:53,141 INFO L132 encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 3 changer transitions 1/334 dead transitions. [2021-12-14 16:47:53,141 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 334 transitions, 880 flow [2021-12-14 16:47:53,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 16:47:53,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-14 16:47:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1254 transitions. [2021-12-14 16:47:53,144 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9193548387096774 [2021-12-14 16:47:53,144 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1254 transitions. [2021-12-14 16:47:53,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1254 transitions. [2021-12-14 16:47:53,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:53,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1254 transitions. [2021-12-14 16:47:53,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 313.5) internal successors, (1254), 4 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,149 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,149 INFO L186 Difference]: Start difference. First operand has 328 places, 319 transitions, 746 flow. Second operand 4 states and 1254 transitions. [2021-12-14 16:47:53,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 334 transitions, 880 flow [2021-12-14 16:47:53,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 334 transitions, 876 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-14 16:47:53,157 INFO L242 Difference]: Finished difference. Result has 332 places, 320 transitions, 766 flow [2021-12-14 16:47:53,157 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=766, PETRI_PLACES=332, PETRI_TRANSITIONS=320} [2021-12-14 16:47:53,158 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 20 predicate places. [2021-12-14 16:47:53,158 INFO L470 AbstractCegarLoop]: Abstraction has has 332 places, 320 transitions, 766 flow [2021-12-14 16:47:53,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:53,159 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:53,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 16:47:53,159 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:53,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:53,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1261496579, now seen corresponding path program 6 times [2021-12-14 16:47:53,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:53,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945531774] [2021-12-14 16:47:53,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:53,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:53,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:53,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945531774] [2021-12-14 16:47:53,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945531774] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:53,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:53,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:53,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536272263] [2021-12-14 16:47:53,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:53,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:53,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:53,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:53,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:53,217 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:53,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 320 transitions, 766 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:53,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:53,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:53,742 INFO L129 PetriNetUnfolder]: 485/3470 cut-off events. [2021-12-14 16:47:53,743 INFO L130 PetriNetUnfolder]: For 2348/2664 co-relation queries the response was YES. [2021-12-14 16:47:53,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4941 conditions, 3470 events. 485/3470 cut-off events. For 2348/2664 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 31856 event pairs, 247 based on Foata normal form. 3/3169 useless extension candidates. Maximal degree in co-relation 4708. Up to 459 conditions per place. [2021-12-14 16:47:53,764 INFO L132 encePairwiseOnDemand]: 337/341 looper letters, 40 selfloop transitions, 4 changer transitions 1/335 dead transitions. [2021-12-14 16:47:53,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 335 transitions, 896 flow [2021-12-14 16:47:53,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 16:47:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-12-14 16:47:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1255 transitions. [2021-12-14 16:47:53,767 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9200879765395894 [2021-12-14 16:47:53,767 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1255 transitions. [2021-12-14 16:47:53,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1255 transitions. [2021-12-14 16:47:53,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:53,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1255 transitions. [2021-12-14 16:47:53,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 313.75) internal successors, (1255), 4 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,772 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 341.0) internal successors, (1705), 5 states have internal predecessors, (1705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,772 INFO L186 Difference]: Start difference. First operand has 332 places, 320 transitions, 766 flow. Second operand 4 states and 1255 transitions. [2021-12-14 16:47:53,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 335 transitions, 896 flow [2021-12-14 16:47:53,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 335 transitions, 893 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-14 16:47:53,780 INFO L242 Difference]: Finished difference. Result has 336 places, 320 transitions, 777 flow [2021-12-14 16:47:53,781 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=777, PETRI_PLACES=336, PETRI_TRANSITIONS=320} [2021-12-14 16:47:53,781 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 24 predicate places. [2021-12-14 16:47:53,781 INFO L470 AbstractCegarLoop]: Abstraction has has 336 places, 320 transitions, 777 flow [2021-12-14 16:47:53,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,782 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:53,782 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:53,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 16:47:53,782 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:53,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:53,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1753842987, now seen corresponding path program 1 times [2021-12-14 16:47:53,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:53,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290569247] [2021-12-14 16:47:53,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:53,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:53,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:53,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:53,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290569247] [2021-12-14 16:47:53,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290569247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:53,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:53,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:53,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775641881] [2021-12-14 16:47:53,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:53,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:53,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:53,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:53,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:53,835 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:53,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 320 transitions, 777 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:53,836 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:53,836 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:53,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:54,256 INFO L129 PetriNetUnfolder]: 419/3319 cut-off events. [2021-12-14 16:47:54,257 INFO L130 PetriNetUnfolder]: For 2398/2416 co-relation queries the response was YES. [2021-12-14 16:47:54,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4930 conditions, 3319 events. 419/3319 cut-off events. For 2398/2416 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 32011 event pairs, 66 based on Foata normal form. 10/3183 useless extension candidates. Maximal degree in co-relation 4664. Up to 333 conditions per place. [2021-12-14 16:47:54,295 INFO L132 encePairwiseOnDemand]: 333/341 looper letters, 52 selfloop transitions, 8 changer transitions 3/353 dead transitions. [2021-12-14 16:47:54,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 353 transitions, 1102 flow [2021-12-14 16:47:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:47:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:47:54,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1571 transitions. [2021-12-14 16:47:54,299 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9214076246334311 [2021-12-14 16:47:54,299 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1571 transitions. [2021-12-14 16:47:54,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1571 transitions. [2021-12-14 16:47:54,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:54,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1571 transitions. [2021-12-14 16:47:54,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 314.2) internal successors, (1571), 5 states have internal predecessors, (1571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:54,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:54,305 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:54,305 INFO L186 Difference]: Start difference. First operand has 336 places, 320 transitions, 777 flow. Second operand 5 states and 1571 transitions. [2021-12-14 16:47:54,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 353 transitions, 1102 flow [2021-12-14 16:47:54,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 353 transitions, 1094 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-14 16:47:54,314 INFO L242 Difference]: Finished difference. Result has 342 places, 327 transitions, 866 flow [2021-12-14 16:47:54,315 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=866, PETRI_PLACES=342, PETRI_TRANSITIONS=327} [2021-12-14 16:47:54,316 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 30 predicate places. [2021-12-14 16:47:54,316 INFO L470 AbstractCegarLoop]: Abstraction has has 342 places, 327 transitions, 866 flow [2021-12-14 16:47:54,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:54,316 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:54,317 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:54,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 16:47:54,317 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:54,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash 244563527, now seen corresponding path program 2 times [2021-12-14 16:47:54,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:54,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831608687] [2021-12-14 16:47:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:54,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:54,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:54,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831608687] [2021-12-14 16:47:54,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831608687] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:54,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:54,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:54,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484492974] [2021-12-14 16:47:54,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:54,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:54,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:54,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:54,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:54,392 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:54,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 327 transitions, 866 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:54,393 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:54,393 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:54,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:54,942 INFO L129 PetriNetUnfolder]: 474/4030 cut-off events. [2021-12-14 16:47:54,942 INFO L130 PetriNetUnfolder]: For 3570/4052 co-relation queries the response was YES. [2021-12-14 16:47:54,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5971 conditions, 4030 events. 474/4030 cut-off events. For 3570/4052 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 39441 event pairs, 200 based on Foata normal form. 24/3744 useless extension candidates. Maximal degree in co-relation 5652. Up to 378 conditions per place. [2021-12-14 16:47:54,979 INFO L132 encePairwiseOnDemand]: 331/341 looper letters, 54 selfloop transitions, 14 changer transitions 2/360 dead transitions. [2021-12-14 16:47:54,979 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 360 transitions, 1173 flow [2021-12-14 16:47:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:47:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:47:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions. [2021-12-14 16:47:54,982 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9255131964809384 [2021-12-14 16:47:54,982 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions. [2021-12-14 16:47:54,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions. [2021-12-14 16:47:54,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:54,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions. [2021-12-14 16:47:54,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 315.6) internal successors, (1578), 5 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:54,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:54,989 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:54,989 INFO L186 Difference]: Start difference. First operand has 342 places, 327 transitions, 866 flow. Second operand 5 states and 1578 transitions. [2021-12-14 16:47:54,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 360 transitions, 1173 flow [2021-12-14 16:47:54,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 360 transitions, 1156 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-12-14 16:47:55,001 INFO L242 Difference]: Finished difference. Result has 349 places, 335 transitions, 983 flow [2021-12-14 16:47:55,002 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=983, PETRI_PLACES=349, PETRI_TRANSITIONS=335} [2021-12-14 16:47:55,003 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 37 predicate places. [2021-12-14 16:47:55,003 INFO L470 AbstractCegarLoop]: Abstraction has has 349 places, 335 transitions, 983 flow [2021-12-14 16:47:55,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:55,004 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:55,005 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:55,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 16:47:55,006 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:55,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:55,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1361086785, now seen corresponding path program 3 times [2021-12-14 16:47:55,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:55,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284226936] [2021-12-14 16:47:55,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:55,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:55,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:55,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284226936] [2021-12-14 16:47:55,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284226936] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:55,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:55,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:55,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109026642] [2021-12-14 16:47:55,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:55,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:55,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:55,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:55,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:55,072 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:55,073 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 335 transitions, 983 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:55,073 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:55,073 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:55,073 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:55,624 INFO L129 PetriNetUnfolder]: 410/3486 cut-off events. [2021-12-14 16:47:55,624 INFO L130 PetriNetUnfolder]: For 3975/3983 co-relation queries the response was YES. [2021-12-14 16:47:55,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5996 conditions, 3486 events. 410/3486 cut-off events. For 3975/3983 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 34156 event pairs, 76 based on Foata normal form. 9/3344 useless extension candidates. Maximal degree in co-relation 5412. Up to 368 conditions per place. [2021-12-14 16:47:55,679 INFO L132 encePairwiseOnDemand]: 333/341 looper letters, 64 selfloop transitions, 10 changer transitions 6/370 dead transitions. [2021-12-14 16:47:55,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 370 transitions, 1410 flow [2021-12-14 16:47:55,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:47:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:47:55,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1572 transitions. [2021-12-14 16:47:55,682 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9219941348973607 [2021-12-14 16:47:55,683 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1572 transitions. [2021-12-14 16:47:55,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1572 transitions. [2021-12-14 16:47:55,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:55,683 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1572 transitions. [2021-12-14 16:47:55,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 314.4) internal successors, (1572), 5 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:55,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:55,688 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:55,688 INFO L186 Difference]: Start difference. First operand has 349 places, 335 transitions, 983 flow. Second operand 5 states and 1572 transitions. [2021-12-14 16:47:55,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 370 transitions, 1410 flow [2021-12-14 16:47:55,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 370 transitions, 1388 flow, removed 11 selfloop flow, removed 1 redundant places. [2021-12-14 16:47:55,706 INFO L242 Difference]: Finished difference. Result has 354 places, 341 transitions, 1066 flow [2021-12-14 16:47:55,707 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1066, PETRI_PLACES=354, PETRI_TRANSITIONS=341} [2021-12-14 16:47:55,707 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 42 predicate places. [2021-12-14 16:47:55,707 INFO L470 AbstractCegarLoop]: Abstraction has has 354 places, 341 transitions, 1066 flow [2021-12-14 16:47:55,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:55,708 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:55,708 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:55,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-14 16:47:55,709 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:55,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:55,709 INFO L85 PathProgramCache]: Analyzing trace with hash 76886119, now seen corresponding path program 4 times [2021-12-14 16:47:55,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:55,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901339925] [2021-12-14 16:47:55,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:55,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:55,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:55,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901339925] [2021-12-14 16:47:55,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901339925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:55,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:55,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:55,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706788189] [2021-12-14 16:47:55,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:55,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:55,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:55,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:55,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:55,773 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:55,774 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 341 transitions, 1066 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:55,774 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:55,774 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:55,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:56,301 INFO L129 PetriNetUnfolder]: 453/4000 cut-off events. [2021-12-14 16:47:56,301 INFO L130 PetriNetUnfolder]: For 5444/5745 co-relation queries the response was YES. [2021-12-14 16:47:56,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6729 conditions, 4000 events. 453/4000 cut-off events. For 5444/5745 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 39526 event pairs, 184 based on Foata normal form. 13/3733 useless extension candidates. Maximal degree in co-relation 6169. Up to 429 conditions per place. [2021-12-14 16:47:56,342 INFO L132 encePairwiseOnDemand]: 331/341 looper letters, 68 selfloop transitions, 12 changer transitions 5/375 dead transitions. [2021-12-14 16:47:56,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 375 transitions, 1455 flow [2021-12-14 16:47:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:47:56,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:47:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1577 transitions. [2021-12-14 16:47:56,345 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9249266862170088 [2021-12-14 16:47:56,345 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1577 transitions. [2021-12-14 16:47:56,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1577 transitions. [2021-12-14 16:47:56,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:56,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1577 transitions. [2021-12-14 16:47:56,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 315.4) internal successors, (1577), 5 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:56,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:56,350 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:56,350 INFO L186 Difference]: Start difference. First operand has 354 places, 341 transitions, 1066 flow. Second operand 5 states and 1577 transitions. [2021-12-14 16:47:56,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 375 transitions, 1455 flow [2021-12-14 16:47:56,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 375 transitions, 1441 flow, removed 7 selfloop flow, removed 0 redundant places. [2021-12-14 16:47:56,368 INFO L242 Difference]: Finished difference. Result has 361 places, 348 transitions, 1186 flow [2021-12-14 16:47:56,368 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1033, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1186, PETRI_PLACES=361, PETRI_TRANSITIONS=348} [2021-12-14 16:47:56,369 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 49 predicate places. [2021-12-14 16:47:56,369 INFO L470 AbstractCegarLoop]: Abstraction has has 361 places, 348 transitions, 1186 flow [2021-12-14 16:47:56,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:56,369 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:56,370 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:56,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-14 16:47:56,370 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:56,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:56,370 INFO L85 PathProgramCache]: Analyzing trace with hash -160415361, now seen corresponding path program 1 times [2021-12-14 16:47:56,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:56,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139645777] [2021-12-14 16:47:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:56,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:56,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:56,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139645777] [2021-12-14 16:47:56,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139645777] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:56,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:56,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:56,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217647533] [2021-12-14 16:47:56,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:56,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:56,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:56,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:56,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:56,416 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:56,417 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 348 transitions, 1186 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:56,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:56,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:56,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:57,056 INFO L129 PetriNetUnfolder]: 474/4001 cut-off events. [2021-12-14 16:47:57,056 INFO L130 PetriNetUnfolder]: For 6782/6840 co-relation queries the response was YES. [2021-12-14 16:47:57,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7187 conditions, 4001 events. 474/4001 cut-off events. For 6782/6840 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 40395 event pairs, 81 based on Foata normal form. 10/3784 useless extension candidates. Maximal degree in co-relation 6741. Up to 271 conditions per place. [2021-12-14 16:47:57,102 INFO L132 encePairwiseOnDemand]: 334/341 looper letters, 76 selfloop transitions, 15 changer transitions 9/390 dead transitions. [2021-12-14 16:47:57,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 390 transitions, 1771 flow [2021-12-14 16:47:57,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:47:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:47:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1575 transitions. [2021-12-14 16:47:57,105 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9237536656891495 [2021-12-14 16:47:57,105 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1575 transitions. [2021-12-14 16:47:57,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1575 transitions. [2021-12-14 16:47:57,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:57,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1575 transitions. [2021-12-14 16:47:57,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 315.0) internal successors, (1575), 5 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:57,111 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:57,111 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:57,111 INFO L186 Difference]: Start difference. First operand has 361 places, 348 transitions, 1186 flow. Second operand 5 states and 1575 transitions. [2021-12-14 16:47:57,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 390 transitions, 1771 flow [2021-12-14 16:47:57,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 390 transitions, 1761 flow, removed 5 selfloop flow, removed 0 redundant places. [2021-12-14 16:47:57,138 INFO L242 Difference]: Finished difference. Result has 368 places, 357 transitions, 1343 flow [2021-12-14 16:47:57,139 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1178, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1343, PETRI_PLACES=368, PETRI_TRANSITIONS=357} [2021-12-14 16:47:57,140 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 56 predicate places. [2021-12-14 16:47:57,140 INFO L470 AbstractCegarLoop]: Abstraction has has 368 places, 357 transitions, 1343 flow [2021-12-14 16:47:57,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:57,141 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:57,141 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:57,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-14 16:47:57,141 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:57,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:57,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1363545151, now seen corresponding path program 2 times [2021-12-14 16:47:57,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:57,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418957708] [2021-12-14 16:47:57,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:57,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:57,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:57,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418957708] [2021-12-14 16:47:57,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418957708] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:57,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:57,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:57,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548841341] [2021-12-14 16:47:57,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:57,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:57,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:57,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:57,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:57,213 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:57,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 357 transitions, 1343 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:57,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:57,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:57,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:58,042 INFO L129 PetriNetUnfolder]: 472/4301 cut-off events. [2021-12-14 16:47:58,042 INFO L130 PetriNetUnfolder]: For 8896/9257 co-relation queries the response was YES. [2021-12-14 16:47:58,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7572 conditions, 4301 events. 472/4301 cut-off events. For 8896/9257 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 43381 event pairs, 156 based on Foata normal form. 20/4035 useless extension candidates. Maximal degree in co-relation 7104. Up to 354 conditions per place. [2021-12-14 16:47:58,106 INFO L132 encePairwiseOnDemand]: 332/341 looper letters, 71 selfloop transitions, 24 changer transitions 4/389 dead transitions. [2021-12-14 16:47:58,107 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 389 transitions, 1805 flow [2021-12-14 16:47:58,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:47:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:47:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions. [2021-12-14 16:47:58,111 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9255131964809384 [2021-12-14 16:47:58,111 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions. [2021-12-14 16:47:58,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions. [2021-12-14 16:47:58,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:58,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions. [2021-12-14 16:47:58,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 315.6) internal successors, (1578), 5 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:58,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:58,119 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:58,119 INFO L186 Difference]: Start difference. First operand has 368 places, 357 transitions, 1343 flow. Second operand 5 states and 1578 transitions. [2021-12-14 16:47:58,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 389 transitions, 1805 flow [2021-12-14 16:47:58,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 389 transitions, 1781 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-12-14 16:47:58,157 INFO L242 Difference]: Finished difference. Result has 376 places, 365 transitions, 1537 flow [2021-12-14 16:47:58,158 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1329, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1537, PETRI_PLACES=376, PETRI_TRANSITIONS=365} [2021-12-14 16:47:58,158 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 64 predicate places. [2021-12-14 16:47:58,158 INFO L470 AbstractCegarLoop]: Abstraction has has 376 places, 365 transitions, 1537 flow [2021-12-14 16:47:58,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:58,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:58,159 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:58,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-14 16:47:58,160 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:58,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:58,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1567935337, now seen corresponding path program 1 times [2021-12-14 16:47:58,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:58,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753969089] [2021-12-14 16:47:58,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:58,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:58,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:58,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753969089] [2021-12-14 16:47:58,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753969089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:58,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:58,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 16:47:58,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622754521] [2021-12-14 16:47:58,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:58,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 16:47:58,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:58,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 16:47:58,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 16:47:58,267 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 341 [2021-12-14 16:47:58,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 365 transitions, 1537 flow. Second operand has 7 states, 7 states have (on average 310.2857142857143) internal successors, (2172), 7 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:58,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:58,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 341 [2021-12-14 16:47:58,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:58,914 INFO L129 PetriNetUnfolder]: 413/2727 cut-off events. [2021-12-14 16:47:58,915 INFO L130 PetriNetUnfolder]: For 3465/3708 co-relation queries the response was YES. [2021-12-14 16:47:58,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4820 conditions, 2727 events. 413/2727 cut-off events. For 3465/3708 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 25929 event pairs, 175 based on Foata normal form. 38/2556 useless extension candidates. Maximal degree in co-relation 4237. Up to 524 conditions per place. [2021-12-14 16:47:58,961 INFO L132 encePairwiseOnDemand]: 333/341 looper letters, 22 selfloop transitions, 5 changer transitions 18/383 dead transitions. [2021-12-14 16:47:58,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 383 transitions, 1658 flow [2021-12-14 16:47:58,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 16:47:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-14 16:47:58,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2809 transitions. [2021-12-14 16:47:58,967 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9152818507657218 [2021-12-14 16:47:58,968 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2809 transitions. [2021-12-14 16:47:58,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2809 transitions. [2021-12-14 16:47:58,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:58,969 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2809 transitions. [2021-12-14 16:47:58,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 312.1111111111111) internal successors, (2809), 9 states have internal predecessors, (2809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:58,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:58,978 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 341.0) internal successors, (3410), 10 states have internal predecessors, (3410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:58,978 INFO L186 Difference]: Start difference. First operand has 376 places, 365 transitions, 1537 flow. Second operand 9 states and 2809 transitions. [2021-12-14 16:47:58,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 383 transitions, 1658 flow [2021-12-14 16:47:58,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 383 transitions, 1628 flow, removed 15 selfloop flow, removed 1 redundant places. [2021-12-14 16:47:58,998 INFO L242 Difference]: Finished difference. Result has 389 places, 360 transitions, 1427 flow [2021-12-14 16:47:58,999 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1507, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1427, PETRI_PLACES=389, PETRI_TRANSITIONS=360} [2021-12-14 16:47:58,999 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 77 predicate places. [2021-12-14 16:47:59,000 INFO L470 AbstractCegarLoop]: Abstraction has has 389 places, 360 transitions, 1427 flow [2021-12-14 16:47:59,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 310.2857142857143) internal successors, (2172), 7 states have internal predecessors, (2172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:59,000 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:59,001 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:59,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-14 16:47:59,001 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:59,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:59,002 INFO L85 PathProgramCache]: Analyzing trace with hash -521787837, now seen corresponding path program 3 times [2021-12-14 16:47:59,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:59,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344097328] [2021-12-14 16:47:59,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:59,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:59,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:59,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344097328] [2021-12-14 16:47:59,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344097328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:59,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:59,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:59,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835382546] [2021-12-14 16:47:59,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:59,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:59,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:59,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:59,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:59,081 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:59,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 360 transitions, 1427 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:59,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:59,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:59,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:47:59,758 INFO L129 PetriNetUnfolder]: 421/3575 cut-off events. [2021-12-14 16:47:59,758 INFO L130 PetriNetUnfolder]: For 7724/7822 co-relation queries the response was YES. [2021-12-14 16:47:59,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7255 conditions, 3575 events. 421/3575 cut-off events. For 7724/7822 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 35240 event pairs, 82 based on Foata normal form. 6/3373 useless extension candidates. Maximal degree in co-relation 7161. Up to 357 conditions per place. [2021-12-14 16:47:59,789 INFO L132 encePairwiseOnDemand]: 333/341 looper letters, 84 selfloop transitions, 12 changer transitions 14/404 dead transitions. [2021-12-14 16:47:59,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 404 transitions, 2101 flow [2021-12-14 16:47:59,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:47:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:47:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1575 transitions. [2021-12-14 16:47:59,793 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9237536656891495 [2021-12-14 16:47:59,793 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1575 transitions. [2021-12-14 16:47:59,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1575 transitions. [2021-12-14 16:47:59,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:47:59,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1575 transitions. [2021-12-14 16:47:59,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 315.0) internal successors, (1575), 5 states have internal predecessors, (1575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:59,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:59,797 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:59,798 INFO L186 Difference]: Start difference. First operand has 389 places, 360 transitions, 1427 flow. Second operand 5 states and 1575 transitions. [2021-12-14 16:47:59,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 404 transitions, 2101 flow [2021-12-14 16:47:59,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 404 transitions, 2094 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-12-14 16:47:59,826 INFO L242 Difference]: Finished difference. Result has 391 places, 366 transitions, 1548 flow [2021-12-14 16:47:59,826 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1398, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1548, PETRI_PLACES=391, PETRI_TRANSITIONS=366} [2021-12-14 16:47:59,827 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 79 predicate places. [2021-12-14 16:47:59,827 INFO L470 AbstractCegarLoop]: Abstraction has has 391 places, 366 transitions, 1548 flow [2021-12-14 16:47:59,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:59,829 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:47:59,829 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:47:59,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-14 16:47:59,829 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:47:59,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:47:59,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1926116063, now seen corresponding path program 4 times [2021-12-14 16:47:59,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:47:59,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452312824] [2021-12-14 16:47:59,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:47:59,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:47:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:47:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:47:59,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:47:59,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452312824] [2021-12-14 16:47:59,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452312824] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:47:59,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:47:59,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:47:59,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630689702] [2021-12-14 16:47:59,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:47:59,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:47:59,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:47:59,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:47:59,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:47:59,910 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:47:59,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 366 transitions, 1548 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:47:59,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:47:59,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:47:59,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:00,454 INFO L129 PetriNetUnfolder]: 419/3715 cut-off events. [2021-12-14 16:48:00,455 INFO L130 PetriNetUnfolder]: For 9249/9476 co-relation queries the response was YES. [2021-12-14 16:48:00,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7511 conditions, 3715 events. 419/3715 cut-off events. For 9249/9476 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 36452 event pairs, 184 based on Foata normal form. 4/3455 useless extension candidates. Maximal degree in co-relation 7248. Up to 498 conditions per place. [2021-12-14 16:48:00,499 INFO L132 encePairwiseOnDemand]: 333/341 looper letters, 72 selfloop transitions, 13 changer transitions 16/395 dead transitions. [2021-12-14 16:48:00,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 395 transitions, 2078 flow [2021-12-14 16:48:00,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1567 transitions. [2021-12-14 16:48:00,502 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9190615835777126 [2021-12-14 16:48:00,502 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1567 transitions. [2021-12-14 16:48:00,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1567 transitions. [2021-12-14 16:48:00,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:00,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1567 transitions. [2021-12-14 16:48:00,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 313.4) internal successors, (1567), 5 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:00,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:00,506 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:00,506 INFO L186 Difference]: Start difference. First operand has 391 places, 366 transitions, 1548 flow. Second operand 5 states and 1567 transitions. [2021-12-14 16:48:00,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 395 transitions, 2078 flow [2021-12-14 16:48:00,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 395 transitions, 2056 flow, removed 11 selfloop flow, removed 1 redundant places. [2021-12-14 16:48:00,541 INFO L242 Difference]: Finished difference. Result has 396 places, 366 transitions, 1578 flow [2021-12-14 16:48:00,542 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1514, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1578, PETRI_PLACES=396, PETRI_TRANSITIONS=366} [2021-12-14 16:48:00,542 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 84 predicate places. [2021-12-14 16:48:00,543 INFO L470 AbstractCegarLoop]: Abstraction has has 396 places, 366 transitions, 1578 flow [2021-12-14 16:48:00,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:00,543 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:00,543 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:00,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-14 16:48:00,544 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:00,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:00,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2134534103, now seen corresponding path program 1 times [2021-12-14 16:48:00,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:00,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062338690] [2021-12-14 16:48:00,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:00,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:00,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:00,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062338690] [2021-12-14 16:48:00,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062338690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:00,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:00,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:00,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344944897] [2021-12-14 16:48:00,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:00,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:00,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:00,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:00,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:00,613 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:00,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 366 transitions, 1578 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:00,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:00,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:00,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:01,155 INFO L129 PetriNetUnfolder]: 452/3643 cut-off events. [2021-12-14 16:48:01,155 INFO L130 PetriNetUnfolder]: For 10583/10593 co-relation queries the response was YES. [2021-12-14 16:48:01,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7719 conditions, 3643 events. 452/3643 cut-off events. For 10583/10593 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 35715 event pairs, 43 based on Foata normal form. 12/3457 useless extension candidates. Maximal degree in co-relation 7326. Up to 428 conditions per place. [2021-12-14 16:48:01,203 INFO L132 encePairwiseOnDemand]: 333/341 looper letters, 83 selfloop transitions, 16 changer transitions 14/407 dead transitions. [2021-12-14 16:48:01,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 407 transitions, 2309 flow [2021-12-14 16:48:01,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:01,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1569 transitions. [2021-12-14 16:48:01,206 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9202346041055719 [2021-12-14 16:48:01,206 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1569 transitions. [2021-12-14 16:48:01,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1569 transitions. [2021-12-14 16:48:01,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:01,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1569 transitions. [2021-12-14 16:48:01,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 313.8) internal successors, (1569), 5 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,210 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,210 INFO L186 Difference]: Start difference. First operand has 396 places, 366 transitions, 1578 flow. Second operand 5 states and 1569 transitions. [2021-12-14 16:48:01,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 407 transitions, 2309 flow [2021-12-14 16:48:01,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 407 transitions, 2297 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-12-14 16:48:01,243 INFO L242 Difference]: Finished difference. Result has 404 places, 373 transitions, 1740 flow [2021-12-14 16:48:01,243 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1566, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1740, PETRI_PLACES=404, PETRI_TRANSITIONS=373} [2021-12-14 16:48:01,244 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 92 predicate places. [2021-12-14 16:48:01,244 INFO L470 AbstractCegarLoop]: Abstraction has has 404 places, 373 transitions, 1740 flow [2021-12-14 16:48:01,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,244 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:01,244 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:01,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-14 16:48:01,245 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:01,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:01,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1231313157, now seen corresponding path program 2 times [2021-12-14 16:48:01,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:01,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679484806] [2021-12-14 16:48:01,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:01,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:01,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:01,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679484806] [2021-12-14 16:48:01,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679484806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:01,290 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:01,290 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:01,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356883477] [2021-12-14 16:48:01,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:01,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:01,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:01,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:01,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:01,292 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:01,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 373 transitions, 1740 flow. Second operand has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:01,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:01,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:01,895 INFO L129 PetriNetUnfolder]: 419/3451 cut-off events. [2021-12-14 16:48:01,896 INFO L130 PetriNetUnfolder]: For 11218/11287 co-relation queries the response was YES. [2021-12-14 16:48:01,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7437 conditions, 3451 events. 419/3451 cut-off events. For 11218/11287 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 32813 event pairs, 45 based on Foata normal form. 15/3260 useless extension candidates. Maximal degree in co-relation 7069. Up to 386 conditions per place. [2021-12-14 16:48:01,933 INFO L132 encePairwiseOnDemand]: 333/341 looper letters, 89 selfloop transitions, 17 changer transitions 9/409 dead transitions. [2021-12-14 16:48:01,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 409 transitions, 2345 flow [2021-12-14 16:48:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1573 transitions. [2021-12-14 16:48:01,935 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9225806451612903 [2021-12-14 16:48:01,935 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1573 transitions. [2021-12-14 16:48:01,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1573 transitions. [2021-12-14 16:48:01,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:01,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1573 transitions. [2021-12-14 16:48:01,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 314.6) internal successors, (1573), 5 states have internal predecessors, (1573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,939 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,939 INFO L186 Difference]: Start difference. First operand has 404 places, 373 transitions, 1740 flow. Second operand 5 states and 1573 transitions. [2021-12-14 16:48:01,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 409 transitions, 2345 flow [2021-12-14 16:48:01,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 409 transitions, 2290 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-12-14 16:48:01,969 INFO L242 Difference]: Finished difference. Result has 410 places, 381 transitions, 1865 flow [2021-12-14 16:48:01,970 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1865, PETRI_PLACES=410, PETRI_TRANSITIONS=381} [2021-12-14 16:48:01,970 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 98 predicate places. [2021-12-14 16:48:01,970 INFO L470 AbstractCegarLoop]: Abstraction has has 410 places, 381 transitions, 1865 flow [2021-12-14 16:48:01,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:01,971 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:01,971 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:01,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-14 16:48:01,971 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:01,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash -66234203, now seen corresponding path program 1 times [2021-12-14 16:48:01,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:01,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657303537] [2021-12-14 16:48:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:01,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:02,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:02,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657303537] [2021-12-14 16:48:02,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657303537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:02,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:02,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:02,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704516516] [2021-12-14 16:48:02,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:02,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:02,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:02,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:02,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:02,019 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:02,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 381 transitions, 1865 flow. Second operand has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:02,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:02,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:02,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:02,569 INFO L129 PetriNetUnfolder]: 417/3568 cut-off events. [2021-12-14 16:48:02,569 INFO L130 PetriNetUnfolder]: For 11280/11372 co-relation queries the response was YES. [2021-12-14 16:48:02,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7782 conditions, 3568 events. 417/3568 cut-off events. For 11280/11372 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 34450 event pairs, 108 based on Foata normal form. 8/3356 useless extension candidates. Maximal degree in co-relation 7384. Up to 341 conditions per place. [2021-12-14 16:48:02,621 INFO L132 encePairwiseOnDemand]: 334/341 looper letters, 97 selfloop transitions, 18 changer transitions 5/414 dead transitions. [2021-12-14 16:48:02,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 414 transitions, 2427 flow [2021-12-14 16:48:02,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:02,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1574 transitions. [2021-12-14 16:48:02,623 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.92316715542522 [2021-12-14 16:48:02,624 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1574 transitions. [2021-12-14 16:48:02,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1574 transitions. [2021-12-14 16:48:02,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:02,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1574 transitions. [2021-12-14 16:48:02,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 314.8) internal successors, (1574), 5 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:02,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:02,627 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:02,628 INFO L186 Difference]: Start difference. First operand has 410 places, 381 transitions, 1865 flow. Second operand 5 states and 1574 transitions. [2021-12-14 16:48:02,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 414 transitions, 2427 flow [2021-12-14 16:48:02,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 414 transitions, 2405 flow, removed 11 selfloop flow, removed 0 redundant places. [2021-12-14 16:48:02,669 INFO L242 Difference]: Finished difference. Result has 417 places, 388 transitions, 2030 flow [2021-12-14 16:48:02,669 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1843, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2030, PETRI_PLACES=417, PETRI_TRANSITIONS=388} [2021-12-14 16:48:02,670 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 105 predicate places. [2021-12-14 16:48:02,670 INFO L470 AbstractCegarLoop]: Abstraction has has 417 places, 388 transitions, 2030 flow [2021-12-14 16:48:02,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:02,670 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:02,670 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:02,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-14 16:48:02,671 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:02,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:02,671 INFO L85 PathProgramCache]: Analyzing trace with hash 299128503, now seen corresponding path program 2 times [2021-12-14 16:48:02,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:02,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842516874] [2021-12-14 16:48:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:02,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:02,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:02,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842516874] [2021-12-14 16:48:02,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842516874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:02,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:02,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:02,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240729240] [2021-12-14 16:48:02,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:02,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:02,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:02,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:02,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:02,715 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:02,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 388 transitions, 2030 flow. Second operand has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:02,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:02,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:02,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:03,301 INFO L129 PetriNetUnfolder]: 415/3517 cut-off events. [2021-12-14 16:48:03,301 INFO L130 PetriNetUnfolder]: For 12247/12371 co-relation queries the response was YES. [2021-12-14 16:48:03,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7758 conditions, 3517 events. 415/3517 cut-off events. For 12247/12371 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 33888 event pairs, 102 based on Foata normal form. 4/3295 useless extension candidates. Maximal degree in co-relation 7567. Up to 380 conditions per place. [2021-12-14 16:48:03,350 INFO L132 encePairwiseOnDemand]: 334/341 looper letters, 100 selfloop transitions, 19 changer transitions 20/433 dead transitions. [2021-12-14 16:48:03,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 421 places, 433 transitions, 2894 flow [2021-12-14 16:48:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1574 transitions. [2021-12-14 16:48:03,351 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.92316715542522 [2021-12-14 16:48:03,351 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1574 transitions. [2021-12-14 16:48:03,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1574 transitions. [2021-12-14 16:48:03,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:03,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1574 transitions. [2021-12-14 16:48:03,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 314.8) internal successors, (1574), 5 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:03,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:03,355 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:03,355 INFO L186 Difference]: Start difference. First operand has 417 places, 388 transitions, 2030 flow. Second operand 5 states and 1574 transitions. [2021-12-14 16:48:03,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 421 places, 433 transitions, 2894 flow [2021-12-14 16:48:03,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 433 transitions, 2872 flow, removed 11 selfloop flow, removed 0 redundant places. [2021-12-14 16:48:03,397 INFO L242 Difference]: Finished difference. Result has 424 places, 386 transitions, 2058 flow [2021-12-14 16:48:03,397 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2018, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2058, PETRI_PLACES=424, PETRI_TRANSITIONS=386} [2021-12-14 16:48:03,398 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 112 predicate places. [2021-12-14 16:48:03,398 INFO L470 AbstractCegarLoop]: Abstraction has has 424 places, 386 transitions, 2058 flow [2021-12-14 16:48:03,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:03,398 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:03,398 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:03,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-14 16:48:03,399 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:03,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:03,399 INFO L85 PathProgramCache]: Analyzing trace with hash 543254387, now seen corresponding path program 3 times [2021-12-14 16:48:03,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:03,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171051740] [2021-12-14 16:48:03,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:03,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:03,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:03,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171051740] [2021-12-14 16:48:03,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171051740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:03,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:03,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:03,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875898731] [2021-12-14 16:48:03,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:03,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:03,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:03,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:03,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:03,472 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:03,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 386 transitions, 2058 flow. Second operand has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:03,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:03,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:03,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:04,019 INFO L129 PetriNetUnfolder]: 369/3165 cut-off events. [2021-12-14 16:48:04,020 INFO L130 PetriNetUnfolder]: For 11385/11485 co-relation queries the response was YES. [2021-12-14 16:48:04,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6964 conditions, 3165 events. 369/3165 cut-off events. For 11385/11485 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 29163 event pairs, 90 based on Foata normal form. 2/2952 useless extension candidates. Maximal degree in co-relation 6796. Up to 359 conditions per place. [2021-12-14 16:48:04,065 INFO L132 encePairwiseOnDemand]: 335/341 looper letters, 102 selfloop transitions, 17 changer transitions 7/420 dead transitions. [2021-12-14 16:48:04,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 420 transitions, 2701 flow [2021-12-14 16:48:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1567 transitions. [2021-12-14 16:48:04,067 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9190615835777126 [2021-12-14 16:48:04,067 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1567 transitions. [2021-12-14 16:48:04,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1567 transitions. [2021-12-14 16:48:04,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:04,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1567 transitions. [2021-12-14 16:48:04,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 313.4) internal successors, (1567), 5 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,071 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,071 INFO L186 Difference]: Start difference. First operand has 424 places, 386 transitions, 2058 flow. Second operand 5 states and 1567 transitions. [2021-12-14 16:48:04,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 420 transitions, 2701 flow [2021-12-14 16:48:04,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 420 transitions, 2632 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-12-14 16:48:04,108 INFO L242 Difference]: Finished difference. Result has 426 places, 391 transitions, 2128 flow [2021-12-14 16:48:04,109 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1965, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2128, PETRI_PLACES=426, PETRI_TRANSITIONS=391} [2021-12-14 16:48:04,109 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 114 predicate places. [2021-12-14 16:48:04,109 INFO L470 AbstractCegarLoop]: Abstraction has has 426 places, 391 transitions, 2128 flow [2021-12-14 16:48:04,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,109 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:04,110 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:04,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-14 16:48:04,110 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:04,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1524011439, now seen corresponding path program 4 times [2021-12-14 16:48:04,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:04,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719323146] [2021-12-14 16:48:04,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:04,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:04,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:04,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719323146] [2021-12-14 16:48:04,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719323146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:04,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:04,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:04,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199271391] [2021-12-14 16:48:04,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:04,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:04,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:04,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:04,152 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:04,153 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 391 transitions, 2128 flow. Second operand has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,153 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:04,153 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:04,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:04,679 INFO L129 PetriNetUnfolder]: 367/3106 cut-off events. [2021-12-14 16:48:04,680 INFO L130 PetriNetUnfolder]: For 11010/11113 co-relation queries the response was YES. [2021-12-14 16:48:04,714 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6811 conditions, 3106 events. 367/3106 cut-off events. For 11010/11113 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 28777 event pairs, 98 based on Foata normal form. 3/2902 useless extension candidates. Maximal degree in co-relation 6642. Up to 391 conditions per place. [2021-12-14 16:48:04,722 INFO L132 encePairwiseOnDemand]: 335/341 looper letters, 96 selfloop transitions, 16 changer transitions 10/416 dead transitions. [2021-12-14 16:48:04,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 416 transitions, 2643 flow [2021-12-14 16:48:04,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1564 transitions. [2021-12-14 16:48:04,724 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9173020527859238 [2021-12-14 16:48:04,724 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1564 transitions. [2021-12-14 16:48:04,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1564 transitions. [2021-12-14 16:48:04,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:04,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1564 transitions. [2021-12-14 16:48:04,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 312.8) internal successors, (1564), 5 states have internal predecessors, (1564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,727 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,728 INFO L186 Difference]: Start difference. First operand has 426 places, 391 transitions, 2128 flow. Second operand 5 states and 1564 transitions. [2021-12-14 16:48:04,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 416 transitions, 2643 flow [2021-12-14 16:48:04,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 416 transitions, 2604 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-12-14 16:48:04,761 INFO L242 Difference]: Finished difference. Result has 430 places, 392 transitions, 2164 flow [2021-12-14 16:48:04,762 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2076, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2164, PETRI_PLACES=430, PETRI_TRANSITIONS=392} [2021-12-14 16:48:04,762 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 118 predicate places. [2021-12-14 16:48:04,762 INFO L470 AbstractCegarLoop]: Abstraction has has 430 places, 392 transitions, 2164 flow [2021-12-14 16:48:04,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,762 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:04,763 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:04,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-14 16:48:04,763 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:04,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:04,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1854010667, now seen corresponding path program 1 times [2021-12-14 16:48:04,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:04,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120189806] [2021-12-14 16:48:04,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:04,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:04,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:04,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120189806] [2021-12-14 16:48:04,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120189806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:04,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:04,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:04,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938335028] [2021-12-14 16:48:04,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:04,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:04,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:04,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:04,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:04,825 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:04,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 392 transitions, 2164 flow. Second operand has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:04,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:04,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:04,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:05,301 INFO L129 PetriNetUnfolder]: 399/3056 cut-off events. [2021-12-14 16:48:05,302 INFO L130 PetriNetUnfolder]: For 10907/10917 co-relation queries the response was YES. [2021-12-14 16:48:05,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6789 conditions, 3056 events. 399/3056 cut-off events. For 10907/10917 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 28118 event pairs, 45 based on Foata normal form. 6/2865 useless extension candidates. Maximal degree in co-relation 6641. Up to 266 conditions per place. [2021-12-14 16:48:05,343 INFO L132 encePairwiseOnDemand]: 332/341 looper letters, 102 selfloop transitions, 26 changer transitions 18/440 dead transitions. [2021-12-14 16:48:05,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 440 transitions, 3172 flow [2021-12-14 16:48:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1572 transitions. [2021-12-14 16:48:05,345 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9219941348973607 [2021-12-14 16:48:05,345 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1572 transitions. [2021-12-14 16:48:05,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1572 transitions. [2021-12-14 16:48:05,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:05,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1572 transitions. [2021-12-14 16:48:05,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 314.4) internal successors, (1572), 5 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:05,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:05,348 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:05,348 INFO L186 Difference]: Start difference. First operand has 430 places, 392 transitions, 2164 flow. Second operand 5 states and 1572 transitions. [2021-12-14 16:48:05,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 440 transitions, 3172 flow [2021-12-14 16:48:05,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 440 transitions, 3160 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-12-14 16:48:05,389 INFO L242 Difference]: Finished difference. Result has 437 places, 392 transitions, 2293 flow [2021-12-14 16:48:05,390 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2155, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2293, PETRI_PLACES=437, PETRI_TRANSITIONS=392} [2021-12-14 16:48:05,390 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 125 predicate places. [2021-12-14 16:48:05,390 INFO L470 AbstractCegarLoop]: Abstraction has has 437 places, 392 transitions, 2293 flow [2021-12-14 16:48:05,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:05,391 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:05,391 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:05,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-14 16:48:05,391 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:05,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:05,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1432073873, now seen corresponding path program 1 times [2021-12-14 16:48:05,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:05,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739861015] [2021-12-14 16:48:05,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:05,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:05,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:05,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739861015] [2021-12-14 16:48:05,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739861015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:05,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:05,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:05,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020620270] [2021-12-14 16:48:05,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:05,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:05,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:05,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:05,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:05,442 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:05,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 392 transitions, 2293 flow. Second operand has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:05,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:05,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:05,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:05,980 INFO L129 PetriNetUnfolder]: 339/2786 cut-off events. [2021-12-14 16:48:05,980 INFO L130 PetriNetUnfolder]: For 12020/12044 co-relation queries the response was YES. [2021-12-14 16:48:06,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6362 conditions, 2786 events. 339/2786 cut-off events. For 12020/12044 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 24856 event pairs, 27 based on Foata normal form. 12/2632 useless extension candidates. Maximal degree in co-relation 6209. Up to 226 conditions per place. [2021-12-14 16:48:06,024 INFO L132 encePairwiseOnDemand]: 332/341 looper letters, 122 selfloop transitions, 25 changer transitions 9/450 dead transitions. [2021-12-14 16:48:06,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 450 transitions, 3457 flow [2021-12-14 16:48:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1578 transitions. [2021-12-14 16:48:06,026 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9255131964809384 [2021-12-14 16:48:06,026 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1578 transitions. [2021-12-14 16:48:06,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1578 transitions. [2021-12-14 16:48:06,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:06,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1578 transitions. [2021-12-14 16:48:06,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 315.6) internal successors, (1578), 5 states have internal predecessors, (1578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,032 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,033 INFO L186 Difference]: Start difference. First operand has 437 places, 392 transitions, 2293 flow. Second operand 5 states and 1578 transitions. [2021-12-14 16:48:06,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 450 transitions, 3457 flow [2021-12-14 16:48:06,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 450 transitions, 3379 flow, removed 25 selfloop flow, removed 3 redundant places. [2021-12-14 16:48:06,073 INFO L242 Difference]: Finished difference. Result has 442 places, 401 transitions, 2507 flow [2021-12-14 16:48:06,074 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2241, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2507, PETRI_PLACES=442, PETRI_TRANSITIONS=401} [2021-12-14 16:48:06,074 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 130 predicate places. [2021-12-14 16:48:06,074 INFO L470 AbstractCegarLoop]: Abstraction has has 442 places, 401 transitions, 2507 flow [2021-12-14 16:48:06,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,075 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:06,075 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:06,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-14 16:48:06,075 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:06,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:06,076 INFO L85 PathProgramCache]: Analyzing trace with hash 598045953, now seen corresponding path program 2 times [2021-12-14 16:48:06,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:06,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324004555] [2021-12-14 16:48:06,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:06,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:06,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:06,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324004555] [2021-12-14 16:48:06,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324004555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:06,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:06,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:06,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817316437] [2021-12-14 16:48:06,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:06,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:06,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:06,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:06,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:06,141 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:06,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 401 transitions, 2507 flow. Second operand has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:06,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:06,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:06,745 INFO L129 PetriNetUnfolder]: 348/2932 cut-off events. [2021-12-14 16:48:06,746 INFO L130 PetriNetUnfolder]: For 12709/12783 co-relation queries the response was YES. [2021-12-14 16:48:06,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6466 conditions, 2932 events. 348/2932 cut-off events. For 12709/12783 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 26335 event pairs, 47 based on Foata normal form. 18/2754 useless extension candidates. Maximal degree in co-relation 6302. Up to 154 conditions per place. [2021-12-14 16:48:06,803 INFO L132 encePairwiseOnDemand]: 331/341 looper letters, 124 selfloop transitions, 34 changer transitions 7/459 dead transitions. [2021-12-14 16:48:06,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 446 places, 459 transitions, 3634 flow [2021-12-14 16:48:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1579 transitions. [2021-12-14 16:48:06,805 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9260997067448681 [2021-12-14 16:48:06,805 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1579 transitions. [2021-12-14 16:48:06,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1579 transitions. [2021-12-14 16:48:06,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:06,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1579 transitions. [2021-12-14 16:48:06,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 315.8) internal successors, (1579), 5 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,808 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,808 INFO L186 Difference]: Start difference. First operand has 442 places, 401 transitions, 2507 flow. Second operand 5 states and 1579 transitions. [2021-12-14 16:48:06,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 446 places, 459 transitions, 3634 flow [2021-12-14 16:48:06,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 459 transitions, 3588 flow, removed 19 selfloop flow, removed 1 redundant places. [2021-12-14 16:48:06,856 INFO L242 Difference]: Finished difference. Result has 449 places, 415 transitions, 2882 flow [2021-12-14 16:48:06,857 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2442, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2882, PETRI_PLACES=449, PETRI_TRANSITIONS=415} [2021-12-14 16:48:06,857 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 137 predicate places. [2021-12-14 16:48:06,857 INFO L470 AbstractCegarLoop]: Abstraction has has 449 places, 415 transitions, 2882 flow [2021-12-14 16:48:06,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,858 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:06,858 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:06,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-14 16:48:06,858 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:06,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:06,859 INFO L85 PathProgramCache]: Analyzing trace with hash 875340509, now seen corresponding path program 2 times [2021-12-14 16:48:06,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:06,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757213727] [2021-12-14 16:48:06,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:06,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:06,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:06,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757213727] [2021-12-14 16:48:06,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757213727] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:06,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:06,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 16:48:06,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306983719] [2021-12-14 16:48:06,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:06,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 16:48:06,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:06,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 16:48:06,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 16:48:06,919 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 341 [2021-12-14 16:48:06,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 415 transitions, 2882 flow. Second operand has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:06,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:06,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 341 [2021-12-14 16:48:06,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:07,500 INFO L129 PetriNetUnfolder]: 351/2788 cut-off events. [2021-12-14 16:48:07,500 INFO L130 PetriNetUnfolder]: For 13495/13559 co-relation queries the response was YES. [2021-12-14 16:48:07,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6331 conditions, 2788 events. 351/2788 cut-off events. For 13495/13559 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 24922 event pairs, 41 based on Foata normal form. 11/2610 useless extension candidates. Maximal degree in co-relation 6160. Up to 195 conditions per place. [2021-12-14 16:48:07,552 INFO L132 encePairwiseOnDemand]: 331/341 looper letters, 119 selfloop transitions, 38 changer transitions 6/457 dead transitions. [2021-12-14 16:48:07,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 457 transitions, 3795 flow [2021-12-14 16:48:07,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 16:48:07,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-14 16:48:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1576 transitions. [2021-12-14 16:48:07,565 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9243401759530792 [2021-12-14 16:48:07,565 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1576 transitions. [2021-12-14 16:48:07,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1576 transitions. [2021-12-14 16:48:07,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:07,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1576 transitions. [2021-12-14 16:48:07,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 315.2) internal successors, (1576), 5 states have internal predecessors, (1576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:07,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:07,568 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:07,569 INFO L186 Difference]: Start difference. First operand has 449 places, 415 transitions, 2882 flow. Second operand 5 states and 1576 transitions. [2021-12-14 16:48:07,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 457 transitions, 3795 flow [2021-12-14 16:48:07,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 457 transitions, 3730 flow, removed 31 selfloop flow, removed 1 redundant places. [2021-12-14 16:48:07,624 INFO L242 Difference]: Finished difference. Result has 456 places, 424 transitions, 3168 flow [2021-12-14 16:48:07,624 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2758, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3168, PETRI_PLACES=456, PETRI_TRANSITIONS=424} [2021-12-14 16:48:07,625 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 144 predicate places. [2021-12-14 16:48:07,625 INFO L470 AbstractCegarLoop]: Abstraction has has 456 places, 424 transitions, 3168 flow [2021-12-14 16:48:07,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 307.5) internal successors, (1230), 4 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:07,625 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:07,626 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:07,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-14 16:48:07,626 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:07,627 INFO L85 PathProgramCache]: Analyzing trace with hash -663131617, now seen corresponding path program 1 times [2021-12-14 16:48:07,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:07,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962287262] [2021-12-14 16:48:07,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:07,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:07,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:07,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:07,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962287262] [2021-12-14 16:48:07,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962287262] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:07,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:07,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 16:48:07,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728792170] [2021-12-14 16:48:07,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:07,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 16:48:07,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:07,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 16:48:07,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-14 16:48:07,720 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 341 [2021-12-14 16:48:07,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 424 transitions, 3168 flow. Second operand has 8 states, 8 states have (on average 307.25) internal successors, (2458), 8 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:07,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:07,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 341 [2021-12-14 16:48:07,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:08,360 INFO L129 PetriNetUnfolder]: 272/2780 cut-off events. [2021-12-14 16:48:08,360 INFO L130 PetriNetUnfolder]: For 9471/9783 co-relation queries the response was YES. [2021-12-14 16:48:08,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5688 conditions, 2780 events. 272/2780 cut-off events. For 9471/9783 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 26019 event pairs, 68 based on Foata normal form. 73/2689 useless extension candidates. Maximal degree in co-relation 5507. Up to 319 conditions per place. [2021-12-14 16:48:08,413 INFO L132 encePairwiseOnDemand]: 331/341 looper letters, 35 selfloop transitions, 7 changer transitions 10/450 dead transitions. [2021-12-14 16:48:08,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 450 transitions, 3333 flow [2021-12-14 16:48:08,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 16:48:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-14 16:48:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3402 transitions. [2021-12-14 16:48:08,415 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9069581444948014 [2021-12-14 16:48:08,415 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3402 transitions. [2021-12-14 16:48:08,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3402 transitions. [2021-12-14 16:48:08,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:08,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3402 transitions. [2021-12-14 16:48:08,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 309.27272727272725) internal successors, (3402), 11 states have internal predecessors, (3402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:08,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 341.0) internal successors, (4092), 12 states have internal predecessors, (4092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:08,421 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 341.0) internal successors, (4092), 12 states have internal predecessors, (4092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:08,421 INFO L186 Difference]: Start difference. First operand has 456 places, 424 transitions, 3168 flow. Second operand 11 states and 3402 transitions. [2021-12-14 16:48:08,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 450 transitions, 3333 flow [2021-12-14 16:48:08,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 450 transitions, 3289 flow, removed 22 selfloop flow, removed 0 redundant places. [2021-12-14 16:48:08,460 INFO L242 Difference]: Finished difference. Result has 475 places, 424 transitions, 3060 flow [2021-12-14 16:48:08,461 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=3124, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3060, PETRI_PLACES=475, PETRI_TRANSITIONS=424} [2021-12-14 16:48:08,461 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 163 predicate places. [2021-12-14 16:48:08,461 INFO L470 AbstractCegarLoop]: Abstraction has has 475 places, 424 transitions, 3060 flow [2021-12-14 16:48:08,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 307.25) internal successors, (2458), 8 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:08,462 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:08,462 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:08,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-14 16:48:08,462 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:08,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1873514764, now seen corresponding path program 1 times [2021-12-14 16:48:08,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:08,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137759811] [2021-12-14 16:48:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:08,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:08,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:08,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137759811] [2021-12-14 16:48:08,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137759811] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:08,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:08,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-14 16:48:08,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849929170] [2021-12-14 16:48:08,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:08,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-14 16:48:08,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:08,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-14 16:48:08,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-14 16:48:08,546 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 341 [2021-12-14 16:48:08,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 424 transitions, 3060 flow. Second operand has 8 states, 8 states have (on average 307.25) internal successors, (2458), 8 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:08,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:08,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 341 [2021-12-14 16:48:08,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-14 16:48:09,341 INFO L129 PetriNetUnfolder]: 509/3476 cut-off events. [2021-12-14 16:48:09,341 INFO L130 PetriNetUnfolder]: For 8854/9550 co-relation queries the response was YES. [2021-12-14 16:48:09,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7238 conditions, 3476 events. 509/3476 cut-off events. For 8854/9550 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 34935 event pairs, 202 based on Foata normal form. 39/3215 useless extension candidates. Maximal degree in co-relation 7146. Up to 572 conditions per place. [2021-12-14 16:48:09,399 INFO L132 encePairwiseOnDemand]: 330/341 looper letters, 40 selfloop transitions, 10 changer transitions 4/455 dead transitions. [2021-12-14 16:48:09,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 455 transitions, 3262 flow [2021-12-14 16:48:09,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-14 16:48:09,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-14 16:48:09,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 4020 transitions. [2021-12-14 16:48:09,402 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9068351003834875 [2021-12-14 16:48:09,402 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 4020 transitions. [2021-12-14 16:48:09,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 4020 transitions. [2021-12-14 16:48:09,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 16:48:09,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 4020 transitions. [2021-12-14 16:48:09,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 309.2307692307692) internal successors, (4020), 13 states have internal predecessors, (4020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:09,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 341.0) internal successors, (4774), 14 states have internal predecessors, (4774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:09,409 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 341.0) internal successors, (4774), 14 states have internal predecessors, (4774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:09,409 INFO L186 Difference]: Start difference. First operand has 475 places, 424 transitions, 3060 flow. Second operand 13 states and 4020 transitions. [2021-12-14 16:48:09,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 455 transitions, 3262 flow [2021-12-14 16:48:09,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 455 transitions, 3246 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-12-14 16:48:09,451 INFO L242 Difference]: Finished difference. Result has 490 places, 430 transitions, 3114 flow [2021-12-14 16:48:09,452 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=3046, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3114, PETRI_PLACES=490, PETRI_TRANSITIONS=430} [2021-12-14 16:48:09,453 INFO L334 CegarLoopForPetriNet]: 312 programPoint places, 178 predicate places. [2021-12-14 16:48:09,453 INFO L470 AbstractCegarLoop]: Abstraction has has 490 places, 430 transitions, 3114 flow [2021-12-14 16:48:09,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 307.25) internal successors, (2458), 8 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:09,453 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-14 16:48:09,454 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 16:48:09,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-14 16:48:09,454 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-14 16:48:09,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 16:48:09,454 INFO L85 PathProgramCache]: Analyzing trace with hash 837614811, now seen corresponding path program 1 times [2021-12-14 16:48:09,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 16:48:09,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630403182] [2021-12-14 16:48:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 16:48:09,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 16:48:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 16:48:10,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 16:48:10,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 16:48:10,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630403182] [2021-12-14 16:48:10,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630403182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 16:48:10,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 16:48:10,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2021-12-14 16:48:10,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641235542] [2021-12-14 16:48:10,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 16:48:10,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-12-14 16:48:10,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 16:48:10,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-12-14 16:48:10,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2021-12-14 16:48:10,114 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 341 [2021-12-14 16:48:10,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 430 transitions, 3114 flow. Second operand has 40 states, 40 states have (on average 227.375) internal successors, (9095), 40 states have internal predecessors, (9095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 16:48:10,118 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-14 16:48:10,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 341 [2021-12-14 16:48:10,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand