./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-exp-term-subst.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 a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:41:28,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:41:28,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:41:28,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:41:28,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:41:28,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:41:28,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:41:28,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:41:28,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:41:28,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:41:28,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:41:28,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:41:28,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:41:28,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:41:28,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:41:28,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:41:28,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:41:28,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:41:28,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:41:28,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:41:28,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:41:28,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:41:28,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:41:28,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:41:28,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:41:28,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:41:28,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:41:28,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:41:28,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:41:28,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:41:28,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:41:28,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:41:28,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:41:28,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:41:28,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:41:28,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:41:28,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:41:28,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:41:28,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:41:28,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:41:28,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:41:28,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 13:41:28,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:41:28,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:41:28,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:41:28,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:41:28,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:41:28,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:41:28,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:41:28,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:41:28,678 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:41:28,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:41:28,679 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:41:28,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 13:41:28,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:41:28,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:41:28,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:41:28,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:41:28,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:41:28,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:41:28,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:41:28,680 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:41:28,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:41:28,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:41:28,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:41:28,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:41:28,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:41:28,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:41:28,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:41:28,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:41:28,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 13:41:28,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 13:41:28,683 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:41:28,683 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:41:28,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:41:28,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:41:28,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b [2021-12-22 13:41:28,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:41:28,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:41:28,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:41:28,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:41:28,891 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:41:28,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2021-12-22 13:41:28,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c95f4cc3/359ebdc1d5354ccea56790aeab81ee3e/FLAG9c1c32594 [2021-12-22 13:41:29,302 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:41:29,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2021-12-22 13:41:29,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c95f4cc3/359ebdc1d5354ccea56790aeab81ee3e/FLAG9c1c32594 [2021-12-22 13:41:29,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c95f4cc3/359ebdc1d5354ccea56790aeab81ee3e [2021-12-22 13:41:29,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:41:29,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:41:29,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:41:29,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:41:29,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:41:29,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d81bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29, skipping insertion in model container [2021-12-22 13:41:29,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:41:29,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:41:29,495 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-exp-term-subst.wvr.c[3072,3085] [2021-12-22 13:41:29,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:41:29,504 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 13:41:29,532 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-exp-term-subst.wvr.c[3072,3085] [2021-12-22 13:41:29,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 13:41:29,544 INFO L208 MainTranslator]: Completed translation [2021-12-22 13:41:29,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29 WrapperNode [2021-12-22 13:41:29,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:41:29,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 13:41:29,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 13:41:29,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 13:41:29,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,583 INFO L137 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 176 [2021-12-22 13:41:29,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 13:41:29,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 13:41:29,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 13:41:29,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 13:41:29,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 13:41:29,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 13:41:29,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 13:41:29,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 13:41:29,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (1/1) ... [2021-12-22 13:41:29,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:41:29,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 13:41:29,675 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) [2021-12-22 13:41:29,677 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 [2021-12-22 13:41:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 13:41:29,699 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-22 13:41:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-22 13:41:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-22 13:41:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-22 13:41:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-22 13:41:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-22 13:41:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 13:41:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 13:41:29,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 13:41:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 13:41:29,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 13:41:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 13:41:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 13:41:29,702 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-22 13:41:29,794 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 13:41:29,796 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 13:41:30,104 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 13:41:30,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 13:41:30,115 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 13:41:30,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:41:30 BoogieIcfgContainer [2021-12-22 13:41:30,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 13:41:30,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 13:41:30,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 13:41:30,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 13:41:30,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:41:29" (1/3) ... [2021-12-22 13:41:30,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737c7faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:41:30, skipping insertion in model container [2021-12-22 13:41:30,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:41:29" (2/3) ... [2021-12-22 13:41:30,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737c7faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:41:30, skipping insertion in model container [2021-12-22 13:41:30,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:41:30" (3/3) ... [2021-12-22 13:41:30,126 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2021-12-22 13:41:30,129 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-22 13:41:30,129 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 13:41:30,130 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 13:41:30,130 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-22 13:41:30,193 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,199 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,200 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,201 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,210 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,211 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,212 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,214 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,215 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,216 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,217 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,220 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,222 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,224 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,225 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,234 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,235 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,236 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,237 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,238 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,242 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,242 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,242 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,248 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,248 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,257 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,257 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,258 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,258 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,259 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,259 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,259 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,260 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,261 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,262 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,265 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,266 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,266 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,267 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,273 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,273 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,273 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,273 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,273 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,273 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,274 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,274 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,274 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,274 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,274 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,274 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,275 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,276 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,277 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,278 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,308 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,308 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,321 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-22 13:41:30,329 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-22 13:41:30,370 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 13:41:30,383 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 [2021-12-22 13:41:30,383 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-22 13:41:30,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 225 places, 232 transitions, 488 flow [2021-12-22 13:41:30,488 INFO L129 PetriNetUnfolder]: 17/229 cut-off events. [2021-12-22 13:41:30,489 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-22 13:41:30,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 229 events. 17/229 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 492 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 154. Up to 2 conditions per place. [2021-12-22 13:41:30,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 225 places, 232 transitions, 488 flow [2021-12-22 13:41:30,508 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 211 places, 218 transitions, 454 flow [2021-12-22 13:41:30,558 INFO L129 PetriNetUnfolder]: 17/217 cut-off events. [2021-12-22 13:41:30,558 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-22 13:41:30,558 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:30,559 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:30,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:30,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:30,564 INFO L85 PathProgramCache]: Analyzing trace with hash -360060123, now seen corresponding path program 1 times [2021-12-22 13:41:30,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:30,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310084302] [2021-12-22 13:41:30,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:30,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:30,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:30,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310084302] [2021-12-22 13:41:30,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310084302] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:30,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:30,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 13:41:30,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722593685] [2021-12-22 13:41:30,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:30,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 13:41:30,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:30,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 13:41:30,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-22 13:41:31,000 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 232 [2021-12-22 13:41:31,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 218 transitions, 454 flow. Second operand has 8 states, 8 states have (on average 199.75) internal successors, (1598), 8 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:31,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:31,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 232 [2021-12-22 13:41:31,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:31,268 INFO L129 PetriNetUnfolder]: 135/593 cut-off events. [2021-12-22 13:41:31,268 INFO L130 PetriNetUnfolder]: For 180/180 co-relation queries the response was YES. [2021-12-22 13:41:31,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 940 conditions, 593 events. 135/593 cut-off events. For 180/180 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3279 event pairs, 26 based on Foata normal form. 109/671 useless extension candidates. Maximal degree in co-relation 740. Up to 68 conditions per place. [2021-12-22 13:41:31,289 INFO L132 encePairwiseOnDemand]: 211/232 looper letters, 49 selfloop transitions, 17 changer transitions 16/266 dead transitions. [2021-12-22 13:41:31,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 266 transitions, 753 flow [2021-12-22 13:41:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 13:41:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-22 13:41:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2676 transitions. [2021-12-22 13:41:31,309 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8872679045092838 [2021-12-22 13:41:31,310 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2676 transitions. [2021-12-22 13:41:31,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2676 transitions. [2021-12-22 13:41:31,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:31,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2676 transitions. [2021-12-22 13:41:31,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 205.84615384615384) internal successors, (2676), 13 states have internal predecessors, (2676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:31,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 232.0) internal successors, (3248), 14 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:31,332 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 232.0) internal successors, (3248), 14 states have internal predecessors, (3248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:31,333 INFO L186 Difference]: Start difference. First operand has 211 places, 218 transitions, 454 flow. Second operand 13 states and 2676 transitions. [2021-12-22 13:41:31,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 266 transitions, 753 flow [2021-12-22 13:41:31,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 266 transitions, 715 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-22 13:41:31,344 INFO L242 Difference]: Finished difference. Result has 224 places, 222 transitions, 535 flow [2021-12-22 13:41:31,345 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=535, PETRI_PLACES=224, PETRI_TRANSITIONS=222} [2021-12-22 13:41:31,350 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 13 predicate places. [2021-12-22 13:41:31,350 INFO L470 AbstractCegarLoop]: Abstraction has has 224 places, 222 transitions, 535 flow [2021-12-22 13:41:31,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 199.75) internal successors, (1598), 8 states have internal predecessors, (1598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:31,351 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:31,351 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:31,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 13:41:31,352 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:31,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:31,352 INFO L85 PathProgramCache]: Analyzing trace with hash -643837919, now seen corresponding path program 1 times [2021-12-22 13:41:31,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:31,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200841040] [2021-12-22 13:41:31,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:31,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:31,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:31,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200841040] [2021-12-22 13:41:31,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200841040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:31,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:31,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:31,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115903923] [2021-12-22 13:41:31,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:31,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:31,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:31,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:31,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:31,552 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:31,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 222 transitions, 535 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:31,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:31,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:31,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:31,909 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][151], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 249#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 57#L74-4true, 67#L56-18true, 21#thread1ENTRYtrue, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 251#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0))]) [2021-12-22 13:41:31,910 INFO L384 tUnfolder$Statistics]: this new event has 69 ancestors and is cut-off event [2021-12-22 13:41:31,910 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-12-22 13:41:31,910 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-12-22 13:41:31,910 INFO L387 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2021-12-22 13:41:31,930 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][151], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 249#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, 53#L44-2true, 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 57#L74-4true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 251#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0))]) [2021-12-22 13:41:31,930 INFO L384 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2021-12-22 13:41:31,930 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:31,930 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-12-22 13:41:31,930 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:31,935 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][151], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 249#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 146#L44true, 57#L74-4true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 251#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0))]) [2021-12-22 13:41:31,935 INFO L384 tUnfolder$Statistics]: this new event has 70 ancestors and is cut-off event [2021-12-22 13:41:31,935 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-12-22 13:41:31,935 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:31,935 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:31,950 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][151], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 249#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 150#L44-5true, 57#L74-4true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 251#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0))]) [2021-12-22 13:41:31,950 INFO L384 tUnfolder$Statistics]: this new event has 71 ancestors and is cut-off event [2021-12-22 13:41:31,950 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:31,950 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:31,950 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-12-22 13:41:31,955 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][151], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 249#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), 170#L44-3true, Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 57#L74-4true, 67#L56-18true, Black: 231#(= ~result_7~0 0), 228#true, Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 251#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0))]) [2021-12-22 13:41:31,955 INFO L384 tUnfolder$Statistics]: this new event has 71 ancestors and is cut-off event [2021-12-22 13:41:31,955 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:31,955 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:31,956 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-12-22 13:41:31,970 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][151], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 249#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, 43#L44-8true, 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 57#L74-4true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 251#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0))]) [2021-12-22 13:41:32,004 INFO L384 tUnfolder$Statistics]: this new event has 72 ancestors and is cut-off event [2021-12-22 13:41:32,004 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:32,004 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:32,004 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:32,222 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][151], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 249#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, 67#L56-18true, 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 231#(= ~result_7~0 0), 228#true, Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 251#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0))]) [2021-12-22 13:41:32,222 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-22 13:41:32,222 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:32,222 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:32,222 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-12-22 13:41:32,376 INFO L129 PetriNetUnfolder]: 1263/7651 cut-off events. [2021-12-22 13:41:32,376 INFO L130 PetriNetUnfolder]: For 889/1034 co-relation queries the response was YES. [2021-12-22 13:41:32,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11234 conditions, 7651 events. 1263/7651 cut-off events. For 889/1034 co-relation queries the response was YES. Maximal size of possible extension queue 440. Compared 94230 event pairs, 314 based on Foata normal form. 34/6708 useless extension candidates. Maximal degree in co-relation 11196. Up to 986 conditions per place. [2021-12-22 13:41:32,435 INFO L132 encePairwiseOnDemand]: 217/232 looper letters, 63 selfloop transitions, 14 changer transitions 0/269 dead transitions. [2021-12-22 13:41:32,435 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 269 transitions, 797 flow [2021-12-22 13:41:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:32,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:32,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1047 transitions. [2021-12-22 13:41:32,438 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9025862068965518 [2021-12-22 13:41:32,438 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1047 transitions. [2021-12-22 13:41:32,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1047 transitions. [2021-12-22 13:41:32,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:32,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1047 transitions. [2021-12-22 13:41:32,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.4) internal successors, (1047), 5 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:32,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:32,443 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:32,443 INFO L186 Difference]: Start difference. First operand has 224 places, 222 transitions, 535 flow. Second operand 5 states and 1047 transitions. [2021-12-22 13:41:32,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 269 transitions, 797 flow [2021-12-22 13:41:32,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 269 transitions, 793 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-22 13:41:32,474 INFO L242 Difference]: Finished difference. Result has 223 places, 234 transitions, 641 flow [2021-12-22 13:41:32,475 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=531, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=641, PETRI_PLACES=223, PETRI_TRANSITIONS=234} [2021-12-22 13:41:32,476 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 12 predicate places. [2021-12-22 13:41:32,476 INFO L470 AbstractCegarLoop]: Abstraction has has 223 places, 234 transitions, 641 flow [2021-12-22 13:41:32,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:32,477 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:32,477 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:32,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 13:41:32,478 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:32,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:32,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1393221653, now seen corresponding path program 2 times [2021-12-22 13:41:32,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:32,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662229977] [2021-12-22 13:41:32,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:32,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:32,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:32,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662229977] [2021-12-22 13:41:32,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662229977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:32,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:32,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:32,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494858242] [2021-12-22 13:41:32,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:32,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:32,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:32,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:32,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:32,676 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:32,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 234 transitions, 641 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:32,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:32,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:32,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:33,476 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([672] thread1EXIT-->L75-2: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar1_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem25#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork0_thidvar0_4)) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_5|} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_4, ULTIMATE.start_main_#t~mem25#1=|v_ULTIMATE.start_main_#t~mem25#1_5|} AuxVars[] AssignedVars[][195], [60#L56-3true, Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 161#L50-6true, 88#L75-2true, 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:33,476 INFO L384 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2021-12-22 13:41:33,477 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-12-22 13:41:33,477 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-22 13:41:33,477 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-12-22 13:41:33,576 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][227], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, 146#L44true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:33,577 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-22 13:41:33,577 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:33,577 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:33,577 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:33,583 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][171], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, 67#L56-18true, 21#thread1ENTRYtrue, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:33,584 INFO L384 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2021-12-22 13:41:33,584 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:33,584 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-12-22 13:41:33,584 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:33,587 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][171], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, 146#L44true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:33,588 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-22 13:41:33,588 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:33,588 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:33,588 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:33,588 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][171], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, 146#L44true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:33,588 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-22 13:41:33,588 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:33,589 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:33,589 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-22 13:41:33,589 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:33,597 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][171], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 170#L44-3true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 57#L74-4true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:33,597 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-22 13:41:33,597 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:33,597 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:33,597 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-22 13:41:33,678 INFO L129 PetriNetUnfolder]: 1477/8881 cut-off events. [2021-12-22 13:41:33,679 INFO L130 PetriNetUnfolder]: For 2510/2944 co-relation queries the response was YES. [2021-12-22 13:41:33,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14773 conditions, 8881 events. 1477/8881 cut-off events. For 2510/2944 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 110382 event pairs, 336 based on Foata normal form. 95/8393 useless extension candidates. Maximal degree in co-relation 12312. Up to 816 conditions per place. [2021-12-22 13:41:33,768 INFO L132 encePairwiseOnDemand]: 215/232 looper letters, 91 selfloop transitions, 22 changer transitions 4/305 dead transitions. [2021-12-22 13:41:33,768 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 305 transitions, 1168 flow [2021-12-22 13:41:33,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1054 transitions. [2021-12-22 13:41:33,771 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9086206896551724 [2021-12-22 13:41:33,771 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1054 transitions. [2021-12-22 13:41:33,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1054 transitions. [2021-12-22 13:41:33,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:33,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1054 transitions. [2021-12-22 13:41:33,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:33,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:33,776 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:33,776 INFO L186 Difference]: Start difference. First operand has 223 places, 234 transitions, 641 flow. Second operand 5 states and 1054 transitions. [2021-12-22 13:41:33,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 305 transitions, 1168 flow [2021-12-22 13:41:33,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 305 transitions, 1168 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-22 13:41:33,833 INFO L242 Difference]: Finished difference. Result has 231 places, 250 transitions, 843 flow [2021-12-22 13:41:33,834 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=843, PETRI_PLACES=231, PETRI_TRANSITIONS=250} [2021-12-22 13:41:33,834 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 20 predicate places. [2021-12-22 13:41:33,834 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 250 transitions, 843 flow [2021-12-22 13:41:33,835 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:33,835 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:33,835 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:33,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 13:41:33,836 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:33,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:33,836 INFO L85 PathProgramCache]: Analyzing trace with hash 995740843, now seen corresponding path program 3 times [2021-12-22 13:41:33,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:33,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304231892] [2021-12-22 13:41:33,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:33,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:33,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:33,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304231892] [2021-12-22 13:41:33,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304231892] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:33,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:33,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:33,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295280324] [2021-12-22 13:41:33,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:33,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:33,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:33,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:33,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:33,917 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:33,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 250 transitions, 843 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:33,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:33,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:33,918 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:34,882 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][260], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, 146#L44true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,883 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-22 13:41:34,883 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:34,883 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:34,883 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:34,891 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 21#thread1ENTRYtrue, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,891 INFO L384 tUnfolder$Statistics]: this new event has 87 ancestors and is cut-off event [2021-12-22 13:41:34,891 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:34,892 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-12-22 13:41:34,892 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:34,894 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 57#L74-4true, 146#L44true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,894 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-22 13:41:34,894 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:34,894 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:34,895 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:34,895 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, 146#L44true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,896 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-22 13:41:34,896 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:34,896 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:34,896 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-12-22 13:41:34,896 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:34,897 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][260], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 170#L44-3true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,897 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-22 13:41:34,898 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-12-22 13:41:34,898 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:34,898 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:34,901 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 53#L44-2true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,902 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-22 13:41:34,902 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:34,902 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:34,902 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:34,907 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 170#L44-3true, 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,908 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-12-22 13:41:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-12-22 13:41:34,908 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:34,909 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 170#L44-3true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,909 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-22 13:41:34,909 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:34,909 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-12-22 13:41:34,909 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:34,910 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-22 13:41:34,913 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 150#L44-5true, 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,913 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-12-22 13:41:34,913 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:34,913 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-12-22 13:41:34,914 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:34,977 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][260], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,978 INFO L384 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2021-12-22 13:41:34,978 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:34,978 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:34,978 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:34,982 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, Black: 231#(= ~result_7~0 0), 228#true, Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,982 INFO L384 tUnfolder$Statistics]: this new event has 100 ancestors and is cut-off event [2021-12-22 13:41:34,982 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:34,983 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:34,983 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:34,984 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][182], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 231#(= ~result_7~0 0), Black: 241#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0))]) [2021-12-22 13:41:34,984 INFO L384 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2021-12-22 13:41:34,984 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:34,984 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:34,984 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:34,984 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-22 13:41:35,037 INFO L129 PetriNetUnfolder]: 1602/10734 cut-off events. [2021-12-22 13:41:35,038 INFO L130 PetriNetUnfolder]: For 5516/5941 co-relation queries the response was YES. [2021-12-22 13:41:35,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19347 conditions, 10734 events. 1602/10734 cut-off events. For 5516/5941 co-relation queries the response was YES. Maximal size of possible extension queue 561. Compared 138616 event pairs, 354 based on Foata normal form. 174/10367 useless extension candidates. Maximal degree in co-relation 16413. Up to 969 conditions per place. [2021-12-22 13:41:35,148 INFO L132 encePairwiseOnDemand]: 214/232 looper letters, 103 selfloop transitions, 50 changer transitions 2/343 dead transitions. [2021-12-22 13:41:35,148 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 343 transitions, 1689 flow [2021-12-22 13:41:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 13:41:35,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-22 13:41:35,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1270 transitions. [2021-12-22 13:41:35,151 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9123563218390804 [2021-12-22 13:41:35,151 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1270 transitions. [2021-12-22 13:41:35,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1270 transitions. [2021-12-22 13:41:35,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:35,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1270 transitions. [2021-12-22 13:41:35,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 211.66666666666666) internal successors, (1270), 6 states have internal predecessors, (1270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:35,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:35,156 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:35,156 INFO L186 Difference]: Start difference. First operand has 231 places, 250 transitions, 843 flow. Second operand 6 states and 1270 transitions. [2021-12-22 13:41:35,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 343 transitions, 1689 flow [2021-12-22 13:41:35,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 343 transitions, 1687 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-22 13:41:35,234 INFO L242 Difference]: Finished difference. Result has 238 places, 283 transitions, 1321 flow [2021-12-22 13:41:35,234 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1321, PETRI_PLACES=238, PETRI_TRANSITIONS=283} [2021-12-22 13:41:35,235 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 27 predicate places. [2021-12-22 13:41:35,235 INFO L470 AbstractCegarLoop]: Abstraction has has 238 places, 283 transitions, 1321 flow [2021-12-22 13:41:35,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:35,236 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:35,236 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:35,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 13:41:35,236 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:35,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:35,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2106818879, now seen corresponding path program 4 times [2021-12-22 13:41:35,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:35,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491697390] [2021-12-22 13:41:35,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:35,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:35,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:35,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491697390] [2021-12-22 13:41:35,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491697390] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:35,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:35,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:35,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584118065] [2021-12-22 13:41:35,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:35,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:35,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:35,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:35,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:35,354 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:35,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 283 transitions, 1321 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:35,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:35,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:35,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:36,430 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][179], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 43#L44-8true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 228#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:36,431 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-22 13:41:36,431 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:36,431 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:36,431 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:36,438 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][179], [Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 146#L44true, 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 231#(= ~result_7~0 0), 228#true]) [2021-12-22 13:41:36,438 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-22 13:41:36,438 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:36,439 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:36,439 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:36,454 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][179], [Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), 170#L44-3true, Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 231#(= ~result_7~0 0), 228#true]) [2021-12-22 13:41:36,454 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-12-22 13:41:36,454 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-12-22 13:41:36,455 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:36,455 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:36,526 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][179], [Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 231#(= ~result_7~0 0), 228#true]) [2021-12-22 13:41:36,526 INFO L384 tUnfolder$Statistics]: this new event has 100 ancestors and is cut-off event [2021-12-22 13:41:36,526 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:36,526 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:36,526 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:36,533 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][260], [Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 228#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:36,533 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-22 13:41:36,533 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:36,533 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:36,533 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:36,538 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][179], [Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 228#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:36,538 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-22 13:41:36,538 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:36,538 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:36,538 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-22 13:41:36,539 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:36,669 INFO L129 PetriNetUnfolder]: 1614/11370 cut-off events. [2021-12-22 13:41:36,669 INFO L130 PetriNetUnfolder]: For 9607/10100 co-relation queries the response was YES. [2021-12-22 13:41:36,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21345 conditions, 11370 events. 1614/11370 cut-off events. For 9607/10100 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 147554 event pairs, 289 based on Foata normal form. 106/10848 useless extension candidates. Maximal degree in co-relation 18054. Up to 820 conditions per place. [2021-12-22 13:41:36,750 INFO L132 encePairwiseOnDemand]: 216/232 looper letters, 104 selfloop transitions, 48 changer transitions 1/341 dead transitions. [2021-12-22 13:41:36,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 341 transitions, 2031 flow [2021-12-22 13:41:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1056 transitions. [2021-12-22 13:41:36,753 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9103448275862069 [2021-12-22 13:41:36,753 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1056 transitions. [2021-12-22 13:41:36,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1056 transitions. [2021-12-22 13:41:36,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:36,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1056 transitions. [2021-12-22 13:41:36,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 211.2) internal successors, (1056), 5 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:36,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:36,757 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:36,758 INFO L186 Difference]: Start difference. First operand has 238 places, 283 transitions, 1321 flow. Second operand 5 states and 1056 transitions. [2021-12-22 13:41:36,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 341 transitions, 2031 flow [2021-12-22 13:41:36,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 341 transitions, 2019 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-22 13:41:36,783 INFO L242 Difference]: Finished difference. Result has 243 places, 297 transitions, 1628 flow [2021-12-22 13:41:36,784 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=1309, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1628, PETRI_PLACES=243, PETRI_TRANSITIONS=297} [2021-12-22 13:41:36,786 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 32 predicate places. [2021-12-22 13:41:36,787 INFO L470 AbstractCegarLoop]: Abstraction has has 243 places, 297 transitions, 1628 flow [2021-12-22 13:41:36,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:36,787 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:36,787 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:36,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 13:41:36,788 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:36,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:36,788 INFO L85 PathProgramCache]: Analyzing trace with hash -640899985, now seen corresponding path program 5 times [2021-12-22 13:41:36,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:36,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39056057] [2021-12-22 13:41:36,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:36,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:36,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:36,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39056057] [2021-12-22 13:41:36,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39056057] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:36,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:36,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:36,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559192420] [2021-12-22 13:41:36,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:36,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:36,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:36,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:36,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:36,945 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:36,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 297 transitions, 1628 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:36,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:36,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:36,946 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:37,959 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][206], [Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 146#L44true, 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 231#(= ~result_7~0 0), 228#true]) [2021-12-22 13:41:37,959 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-12-22 13:41:37,959 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:37,959 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:37,959 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:37,970 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][206], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 170#L44-3true, 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 228#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:37,971 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-12-22 13:41:37,971 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-12-22 13:41:37,971 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:37,971 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:38,060 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][206], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 228#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:38,060 INFO L384 tUnfolder$Statistics]: this new event has 100 ancestors and is cut-off event [2021-12-22 13:41:38,060 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:38,060 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:38,060 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:38,068 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][321], [Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 228#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:38,069 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-22 13:41:38,069 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:38,069 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:38,069 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:38,073 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][206], [Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 296#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 228#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:38,073 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-22 13:41:38,073 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-22 13:41:38,073 INFO L387 tUnfolder$Statistics]: existing Event has 100 ancestors and is cut-off event [2021-12-22 13:41:38,073 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:38,073 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:38,120 INFO L129 PetriNetUnfolder]: 1625/11666 cut-off events. [2021-12-22 13:41:38,120 INFO L130 PetriNetUnfolder]: For 13690/14189 co-relation queries the response was YES. [2021-12-22 13:41:38,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22816 conditions, 11666 events. 1625/11666 cut-off events. For 13690/14189 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 152891 event pairs, 293 based on Foata normal form. 115/11162 useless extension candidates. Maximal degree in co-relation 18982. Up to 1352 conditions per place. [2021-12-22 13:41:38,236 INFO L132 encePairwiseOnDemand]: 214/232 looper letters, 146 selfloop transitions, 66 changer transitions 6/406 dead transitions. [2021-12-22 13:41:38,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 406 transitions, 3026 flow [2021-12-22 13:41:38,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 13:41:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-22 13:41:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1454 transitions. [2021-12-22 13:41:38,240 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.895320197044335 [2021-12-22 13:41:38,240 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1454 transitions. [2021-12-22 13:41:38,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1454 transitions. [2021-12-22 13:41:38,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:38,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1454 transitions. [2021-12-22 13:41:38,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 207.71428571428572) internal successors, (1454), 7 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:38,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:38,247 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:38,247 INFO L186 Difference]: Start difference. First operand has 243 places, 297 transitions, 1628 flow. Second operand 7 states and 1454 transitions. [2021-12-22 13:41:38,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 406 transitions, 3026 flow [2021-12-22 13:41:38,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 406 transitions, 2912 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-12-22 13:41:38,282 INFO L242 Difference]: Finished difference. Result has 252 places, 340 transitions, 2338 flow [2021-12-22 13:41:38,282 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=1557, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2338, PETRI_PLACES=252, PETRI_TRANSITIONS=340} [2021-12-22 13:41:38,283 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 41 predicate places. [2021-12-22 13:41:38,283 INFO L470 AbstractCegarLoop]: Abstraction has has 252 places, 340 transitions, 2338 flow [2021-12-22 13:41:38,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:38,284 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:38,284 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:38,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 13:41:38,284 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:38,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -463758803, now seen corresponding path program 6 times [2021-12-22 13:41:38,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:38,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895727710] [2021-12-22 13:41:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:38,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:38,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:38,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895727710] [2021-12-22 13:41:38,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895727710] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:38,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:38,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:38,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524840815] [2021-12-22 13:41:38,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:38,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:38,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:38,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:38,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:38,413 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:38,414 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 340 transitions, 2338 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:38,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:38,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:38,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:39,837 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][213], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 21#thread1ENTRYtrue, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,837 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-12-22 13:41:39,837 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:39,837 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-12-22 13:41:39,838 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-22 13:41:39,850 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][213], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), 53#L44-2true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,850 INFO L384 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2021-12-22 13:41:39,850 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:39,850 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:39,850 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-22 13:41:39,856 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][213], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div 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(div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,856 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:39,856 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:39,856 INFO L387 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2021-12-22 13:41:39,856 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-22 13:41:39,862 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][403], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 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(= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,862 INFO L384 tUnfolder$Statistics]: this new event has 113 ancestors and is cut-off event [2021-12-22 13:41:39,862 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-12-22 13:41:39,866 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:39,866 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-12-22 13:41:39,870 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][213], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), 170#L44-3true, Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ 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[2021-12-22 13:41:39,870 INFO L384 tUnfolder$Statistics]: this new event has 115 ancestors and is cut-off event [2021-12-22 13:41:39,870 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:39,870 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:39,870 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-12-22 13:41:39,872 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][213], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= 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~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,872 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:39,872 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:39,872 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:39,872 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:39,877 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][213], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 150#L44-5true, 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,877 INFO L384 tUnfolder$Statistics]: this new event has 115 ancestors and is cut-off event [2021-12-22 13:41:39,877 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:39,877 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:39,877 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:39,880 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][403], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), 53#L44-2true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,880 INFO L384 tUnfolder$Statistics]: this new event has 114 ancestors and is cut-off event [2021-12-22 13:41:39,880 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:39,880 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-22 13:41:39,880 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:39,885 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][403], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 146#L44true, 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,885 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:39,885 INFO L387 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2021-12-22 13:41:39,885 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:39,885 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-22 13:41:39,894 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][403], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), 170#L44-3true, Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,894 INFO L384 tUnfolder$Statistics]: this new event has 115 ancestors and is cut-off event [2021-12-22 13:41:39,894 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-12-22 13:41:39,894 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:39,894 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:39,896 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][213], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), 43#L44-8true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,896 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-22 13:41:39,897 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:39,897 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:39,897 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:39,897 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:39,901 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][403], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 150#L44-5true, 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,901 INFO L384 tUnfolder$Statistics]: this new event has 115 ancestors and is cut-off event [2021-12-22 13:41:39,901 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:39,901 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-12-22 13:41:39,901 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:39,915 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][403], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 43#L44-8true, 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:39,916 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-22 13:41:39,916 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:39,916 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:39,916 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:40,147 INFO L129 PetriNetUnfolder]: 1770/13108 cut-off events. [2021-12-22 13:41:40,148 INFO L130 PetriNetUnfolder]: For 18689/19255 co-relation queries the response was YES. [2021-12-22 13:41:40,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26588 conditions, 13108 events. 1770/13108 cut-off events. For 18689/19255 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 178025 event pairs, 334 based on Foata normal form. 108/12561 useless extension candidates. Maximal degree in co-relation 22899. Up to 941 conditions per place. [2021-12-22 13:41:40,319 INFO L132 encePairwiseOnDemand]: 211/232 looper letters, 174 selfloop transitions, 103 changer transitions 16/481 dead transitions. [2021-12-22 13:41:40,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 481 transitions, 4382 flow [2021-12-22 13:41:40,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 13:41:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-22 13:41:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1476 transitions. [2021-12-22 13:41:40,323 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9088669950738916 [2021-12-22 13:41:40,323 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1476 transitions. [2021-12-22 13:41:40,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1476 transitions. [2021-12-22 13:41:40,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:40,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1476 transitions. [2021-12-22 13:41:40,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 210.85714285714286) internal successors, (1476), 7 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:40,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:40,329 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:40,329 INFO L186 Difference]: Start difference. First operand has 252 places, 340 transitions, 2338 flow. Second operand 7 states and 1476 transitions. [2021-12-22 13:41:40,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 481 transitions, 4382 flow [2021-12-22 13:41:40,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 481 transitions, 4334 flow, removed 24 selfloop flow, removed 0 redundant places. [2021-12-22 13:41:40,400 INFO L242 Difference]: Finished difference. Result has 264 places, 386 transitions, 3362 flow [2021-12-22 13:41:40,400 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=2300, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3362, PETRI_PLACES=264, PETRI_TRANSITIONS=386} [2021-12-22 13:41:40,401 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 53 predicate places. [2021-12-22 13:41:40,401 INFO L470 AbstractCegarLoop]: Abstraction has has 264 places, 386 transitions, 3362 flow [2021-12-22 13:41:40,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:40,402 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:40,402 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:40,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 13:41:40,402 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:40,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:40,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1365179023, now seen corresponding path program 1 times [2021-12-22 13:41:40,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:40,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699221183] [2021-12-22 13:41:40,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:40,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:40,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:40,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699221183] [2021-12-22 13:41:40,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699221183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:40,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:40,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:40,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130253834] [2021-12-22 13:41:40,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:40,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:40,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:40,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:40,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:40,483 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:40,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 386 transitions, 3362 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:40,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:40,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:40,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:42,062 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][216], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 43#L44-8true, 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:42,062 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:42,062 INFO L387 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2021-12-22 13:41:42,063 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:42,063 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:42,150 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][216], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= 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13:41:42,150 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:42,150 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:42,377 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][216], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 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13:41:42,377 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:42,377 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:42,377 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:42,386 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][216], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 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event has 104 ancestors and is cut-off event [2021-12-22 13:41:42,386 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:42,386 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-22 13:41:42,386 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:42,657 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][428], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 260#true, Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= 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Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:42,657 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:42,657 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:42,657 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:42,657 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:42,659 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][216], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 260#true, Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 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Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 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~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:42,659 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:42,659 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:42,659 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:42,659 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:42,659 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:42,670 INFO L129 PetriNetUnfolder]: 1865/15277 cut-off events. [2021-12-22 13:41:42,670 INFO L130 PetriNetUnfolder]: For 28613/29278 co-relation queries the response was YES. [2021-12-22 13:41:42,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31308 conditions, 15277 events. 1865/15277 cut-off events. For 28613/29278 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 212630 event pairs, 374 based on Foata normal form. 209/14740 useless extension candidates. Maximal degree in co-relation 27331. Up to 1504 conditions per place. [2021-12-22 13:41:42,775 INFO L132 encePairwiseOnDemand]: 215/232 looper letters, 251 selfloop transitions, 65 changer transitions 2/506 dead transitions. [2021-12-22 13:41:42,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 506 transitions, 5477 flow [2021-12-22 13:41:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1054 transitions. [2021-12-22 13:41:42,777 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9086206896551724 [2021-12-22 13:41:42,777 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1054 transitions. [2021-12-22 13:41:42,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1054 transitions. [2021-12-22 13:41:42,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:42,778 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1054 transitions. [2021-12-22 13:41:42,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.8) internal successors, (1054), 5 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:42,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:42,781 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:42,781 INFO L186 Difference]: Start difference. First operand has 264 places, 386 transitions, 3362 flow. Second operand 5 states and 1054 transitions. [2021-12-22 13:41:42,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 506 transitions, 5477 flow [2021-12-22 13:41:42,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 506 transitions, 5449 flow, removed 14 selfloop flow, removed 0 redundant places. [2021-12-22 13:41:42,866 INFO L242 Difference]: Finished difference. Result has 272 places, 427 transitions, 4267 flow [2021-12-22 13:41:42,867 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=3259, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4267, PETRI_PLACES=272, PETRI_TRANSITIONS=427} [2021-12-22 13:41:42,867 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 61 predicate places. [2021-12-22 13:41:42,867 INFO L470 AbstractCegarLoop]: Abstraction has has 272 places, 427 transitions, 4267 flow [2021-12-22 13:41:42,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:42,868 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:42,868 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:42,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 13:41:42,868 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:42,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:42,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1132189793, now seen corresponding path program 2 times [2021-12-22 13:41:42,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:42,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892631956] [2021-12-22 13:41:42,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:42,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:42,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:42,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892631956] [2021-12-22 13:41:42,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892631956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:42,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:42,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:42,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161951941] [2021-12-22 13:41:42,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:42,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:42,939 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:42,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:42,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:42,940 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:42,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 427 transitions, 4267 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:42,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:42,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:42,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:44,327 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][211], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 350#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 336#true, Black: 270#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 67#L56-18true, Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), 43#L44-8true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:44,328 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:44,328 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:44,328 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:44,328 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:44,540 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][211], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 350#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 260#true, Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 336#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 270#true, 67#L56-18true, Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:44,540 INFO L384 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2021-12-22 13:41:44,540 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:44,540 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:44,540 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:44,642 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][404], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 350#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 336#true, Black: 270#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 67#L56-18true, Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:44,643 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:44,643 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:44,643 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:44,643 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:44,645 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][211], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 350#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 336#true, Black: 270#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 67#L56-18true, Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:44,645 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:44,645 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:44,645 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:44,645 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:44,645 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:44,658 INFO L129 PetriNetUnfolder]: 1698/13658 cut-off events. [2021-12-22 13:41:44,659 INFO L130 PetriNetUnfolder]: For 32433/32910 co-relation queries the response was YES. [2021-12-22 13:41:44,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29492 conditions, 13658 events. 1698/13658 cut-off events. For 32433/32910 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 184744 event pairs, 465 based on Foata normal form. 169/13124 useless extension candidates. Maximal degree in co-relation 26994. Up to 1435 conditions per place. [2021-12-22 13:41:44,794 INFO L132 encePairwiseOnDemand]: 216/232 looper letters, 225 selfloop transitions, 70 changer transitions 0/483 dead transitions. [2021-12-22 13:41:44,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 483 transitions, 5473 flow [2021-12-22 13:41:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1049 transitions. [2021-12-22 13:41:44,797 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9043103448275862 [2021-12-22 13:41:44,797 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1049 transitions. [2021-12-22 13:41:44,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1049 transitions. [2021-12-22 13:41:44,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:44,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1049 transitions. [2021-12-22 13:41:44,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.8) internal successors, (1049), 5 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:44,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:44,802 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:44,802 INFO L186 Difference]: Start difference. First operand has 272 places, 427 transitions, 4267 flow. Second operand 5 states and 1049 transitions. [2021-12-22 13:41:44,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 483 transitions, 5473 flow [2021-12-22 13:41:44,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 483 transitions, 5473 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-22 13:41:44,905 INFO L242 Difference]: Finished difference. Result has 278 places, 424 transitions, 4455 flow [2021-12-22 13:41:44,906 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=4051, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4455, PETRI_PLACES=278, PETRI_TRANSITIONS=424} [2021-12-22 13:41:44,907 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 67 predicate places. [2021-12-22 13:41:44,907 INFO L470 AbstractCegarLoop]: Abstraction has has 278 places, 424 transitions, 4455 flow [2021-12-22 13:41:44,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:44,908 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:44,908 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:44,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 13:41:44,908 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:44,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:44,909 INFO L85 PathProgramCache]: Analyzing trace with hash -601754955, now seen corresponding path program 3 times [2021-12-22 13:41:44,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:44,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173939070] [2021-12-22 13:41:44,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:44,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:45,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:45,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173939070] [2021-12-22 13:41:45,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173939070] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:45,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:45,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:45,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848283492] [2021-12-22 13:41:45,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:45,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:45,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:45,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:45,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:45,029 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:45,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 424 transitions, 4455 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:45,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:45,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:45,030 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:46,609 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][220], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 350#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 336#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 270#true, 67#L56-18true, Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 43#L44-8true, 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:46,609 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:46,609 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:46,609 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:46,609 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:46,854 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][220], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 350#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div 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~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:46,854 INFO L384 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2021-12-22 13:41:46,854 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:46,854 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:46,854 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:46,950 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][411], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 350#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 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(div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:46,950 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:46,950 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:46,950 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:46,950 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:46,952 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][220], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 350#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= 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~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:46,952 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:46,952 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:46,952 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:46,952 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:46,952 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:46,963 INFO L129 PetriNetUnfolder]: 1785/14811 cut-off events. [2021-12-22 13:41:46,963 INFO L130 PetriNetUnfolder]: For 35420/35932 co-relation queries the response was YES. [2021-12-22 13:41:47,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31955 conditions, 14811 events. 1785/14811 cut-off events. For 35420/35932 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 203313 event pairs, 364 based on Foata normal form. 122/14142 useless extension candidates. Maximal degree in co-relation 29317. Up to 1712 conditions per place. [2021-12-22 13:41:47,091 INFO L132 encePairwiseOnDemand]: 217/232 looper letters, 251 selfloop transitions, 52 changer transitions 0/491 dead transitions. [2021-12-22 13:41:47,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 491 transitions, 5955 flow [2021-12-22 13:41:47,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1037 transitions. [2021-12-22 13:41:47,093 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8939655172413793 [2021-12-22 13:41:47,093 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1037 transitions. [2021-12-22 13:41:47,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1037 transitions. [2021-12-22 13:41:47,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:47,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1037 transitions. [2021-12-22 13:41:47,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:47,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:47,098 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:47,099 INFO L186 Difference]: Start difference. First operand has 278 places, 424 transitions, 4455 flow. Second operand 5 states and 1037 transitions. [2021-12-22 13:41:47,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 491 transitions, 5955 flow [2021-12-22 13:41:47,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 491 transitions, 5824 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-12-22 13:41:47,198 INFO L242 Difference]: Finished difference. Result has 283 places, 441 transitions, 4856 flow [2021-12-22 13:41:47,198 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=4338, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=4856, PETRI_PLACES=283, PETRI_TRANSITIONS=441} [2021-12-22 13:41:47,199 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 72 predicate places. [2021-12-22 13:41:47,199 INFO L470 AbstractCegarLoop]: Abstraction has has 283 places, 441 transitions, 4856 flow [2021-12-22 13:41:47,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:47,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:47,200 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:47,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 13:41:47,200 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:47,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:47,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1854353845, now seen corresponding path program 4 times [2021-12-22 13:41:47,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:47,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936807508] [2021-12-22 13:41:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:47,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:47,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:47,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936807508] [2021-12-22 13:41:47,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936807508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:47,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:47,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:47,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756733910] [2021-12-22 13:41:47,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:47,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:47,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:47,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:47,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:47,267 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:47,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 441 transitions, 4856 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:47,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:47,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:47,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:48,970 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][236], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 107#L50-18true, Black: 260#true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 336#true, Black: 270#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 67#L56-18true, Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), 368#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 354#true, Black: 356#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 43#L44-8true, Black: 358#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:48,970 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:48,970 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:48,971 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:48,971 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:49,220 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][236], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 336#true, Black: 270#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 67#L56-18true, Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 368#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 354#true, Black: 356#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 358#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:49,220 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:49,220 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:49,221 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:49,221 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:49,236 INFO L129 PetriNetUnfolder]: 1789/14978 cut-off events. [2021-12-22 13:41:49,237 INFO L130 PetriNetUnfolder]: For 41037/41607 co-relation queries the response was YES. [2021-12-22 13:41:49,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32907 conditions, 14978 events. 1789/14978 cut-off events. For 41037/41607 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 207813 event pairs, 491 based on Foata normal form. 123/14341 useless extension candidates. Maximal degree in co-relation 30216. Up to 1537 conditions per place. [2021-12-22 13:41:49,368 INFO L132 encePairwiseOnDemand]: 216/232 looper letters, 241 selfloop transitions, 100 changer transitions 0/529 dead transitions. [2021-12-22 13:41:49,368 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 529 transitions, 6684 flow [2021-12-22 13:41:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 13:41:49,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-22 13:41:49,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1258 transitions. [2021-12-22 13:41:49,370 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9037356321839081 [2021-12-22 13:41:49,370 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1258 transitions. [2021-12-22 13:41:49,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1258 transitions. [2021-12-22 13:41:49,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:49,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1258 transitions. [2021-12-22 13:41:49,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.66666666666666) internal successors, (1258), 6 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:49,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:49,375 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:49,375 INFO L186 Difference]: Start difference. First operand has 283 places, 441 transitions, 4856 flow. Second operand 6 states and 1258 transitions. [2021-12-22 13:41:49,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 529 transitions, 6684 flow [2021-12-22 13:41:49,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 529 transitions, 6684 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-22 13:41:49,586 INFO L242 Difference]: Finished difference. Result has 293 places, 472 transitions, 5846 flow [2021-12-22 13:41:49,586 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=4856, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5846, PETRI_PLACES=293, PETRI_TRANSITIONS=472} [2021-12-22 13:41:49,587 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 82 predicate places. [2021-12-22 13:41:49,587 INFO L470 AbstractCegarLoop]: Abstraction has has 293 places, 472 transitions, 5846 flow [2021-12-22 13:41:49,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:49,587 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:49,587 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:49,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 13:41:49,588 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:49,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash 39208375, now seen corresponding path program 7 times [2021-12-22 13:41:49,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:49,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127307479] [2021-12-22 13:41:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:49,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:49,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:49,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127307479] [2021-12-22 13:41:49,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127307479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:49,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:49,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:49,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729254997] [2021-12-22 13:41:49,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:49,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:49,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:49,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:49,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:49,694 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:49,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 472 transitions, 5846 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:49,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:49,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:49,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:51,513 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][509], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or 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256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:51,514 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:51,514 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-22 13:41:51,514 INFO L387 tUnfolder$Statistics]: existing Event has 114 ancestors and is cut-off event [2021-12-22 13:41:51,514 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:51,551 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][243], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 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[2021-12-22 13:41:51,552 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:51,553 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-22 13:41:51,553 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-22 13:41:51,564 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][243], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= 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L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:51,577 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-22 13:41:51,577 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:51,577 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-12-22 13:41:51,577 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:51,577 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][509], [Black: 233#(and (= 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tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][509], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), Black: 260#true, 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 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Black: 370#(and (or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 366#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:51,578 INFO L384 tUnfolder$Statistics]: this new event has 116 ancestors and is cut-off event [2021-12-22 13:41:51,578 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:51,578 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:51,578 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-22 13:41:51,578 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:51,590 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][243], [Black: 233#(and (= 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13:41:51,606 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][243], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 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~result_7~0 0)]) [2021-12-22 13:41:51,606 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is not cut-off event [2021-12-22 13:41:51,606 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is not cut-off event [2021-12-22 13:41:51,606 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is not cut-off event [2021-12-22 13:41:51,606 INFO L387 tUnfolder$Statistics]: existing Event has 115 ancestors and is not cut-off event [2021-12-22 13:41:51,726 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][243], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 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inserting event number 4 for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][509], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), 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and is cut-off event [2021-12-22 13:41:51,739 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:51,739 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:51,739 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-22 13:41:51,753 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][243], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 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for the transition-marking pair ([581] L50-17-->L50-18: Formula: (= |v_thread2Thread1of1ForFork1_#t~ite8#1_3| v_~result_7~0_1) InVars {thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|} OutVars{thread2Thread1of1ForFork1_#t~ite8#1=|v_thread2Thread1of1ForFork1_#t~ite8#1_3|, ~result_7~0=v_~result_7~0_1} AuxVars[] AssignedVars[~result_7~0][509], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 88#L75-2true, 107#L50-18true, Black: 260#true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 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13:41:51,857 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:51,857 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:51,857 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:51,857 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-22 13:41:51,858 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][243], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 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~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 300#true, Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:51,858 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:51,859 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:51,859 INFO L387 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2021-12-22 13:41:51,859 INFO L387 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2021-12-22 13:41:51,859 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-22 13:41:51,859 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:51,964 INFO L129 PetriNetUnfolder]: 1822/15728 cut-off events. [2021-12-22 13:41:51,965 INFO L130 PetriNetUnfolder]: For 47325/47860 co-relation queries the response was YES. [2021-12-22 13:41:52,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34951 conditions, 15728 events. 1822/15728 cut-off events. For 47325/47860 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 218884 event pairs, 361 based on Foata normal form. 155/15058 useless extension candidates. Maximal degree in co-relation 32041. Up to 1163 conditions per place. [2021-12-22 13:41:52,086 INFO L132 encePairwiseOnDemand]: 213/232 looper letters, 261 selfloop transitions, 147 changer transitions 0/596 dead transitions. [2021-12-22 13:41:52,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 596 transitions, 8376 flow [2021-12-22 13:41:52,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 13:41:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-22 13:41:52,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1462 transitions. [2021-12-22 13:41:52,089 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9002463054187192 [2021-12-22 13:41:52,090 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1462 transitions. [2021-12-22 13:41:52,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1462 transitions. [2021-12-22 13:41:52,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:52,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1462 transitions. [2021-12-22 13:41:52,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 208.85714285714286) internal successors, (1462), 7 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:52,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:52,096 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:52,096 INFO L186 Difference]: Start difference. First operand has 293 places, 472 transitions, 5846 flow. Second operand 7 states and 1462 transitions. [2021-12-22 13:41:52,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 596 transitions, 8376 flow [2021-12-22 13:41:52,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 596 transitions, 8310 flow, removed 33 selfloop flow, removed 0 redundant places. [2021-12-22 13:41:52,254 INFO L242 Difference]: Finished difference. Result has 303 places, 509 transitions, 6932 flow [2021-12-22 13:41:52,254 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=5656, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=6932, PETRI_PLACES=303, PETRI_TRANSITIONS=509} [2021-12-22 13:41:52,255 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 92 predicate places. [2021-12-22 13:41:52,255 INFO L470 AbstractCegarLoop]: Abstraction has has 303 places, 509 transitions, 6932 flow [2021-12-22 13:41:52,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:52,255 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:52,255 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:52,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 13:41:52,256 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:52,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:52,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1344281035, now seen corresponding path program 5 times [2021-12-22 13:41:52,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:52,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176480550] [2021-12-22 13:41:52,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:52,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:52,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:52,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176480550] [2021-12-22 13:41:52,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176480550] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:52,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:52,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:52,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482264211] [2021-12-22 13:41:52,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:52,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:52,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:52,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:52,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:52,331 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:52,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 509 transitions, 6932 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:52,332 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:52,332 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:52,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:53,873 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][229], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 395#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), Black: 381#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 382#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 387#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), 43#L44-8true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 300#true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 336#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 368#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 354#true, Black: 356#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 358#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 370#(and (or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 366#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:53,874 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:41:53,874 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:41:53,876 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:53,876 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:41:54,230 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][229], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 395#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), Black: 381#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 382#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 387#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 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256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 300#true, 88#L75-2true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 336#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 368#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 354#true, Black: 356#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 358#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 370#(and (or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 366#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:54,230 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:54,231 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:54,231 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:54,231 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:54,252 INFO L129 PetriNetUnfolder]: 1539/13619 cut-off events. [2021-12-22 13:41:54,252 INFO L130 PetriNetUnfolder]: For 50169/50699 co-relation queries the response was YES. [2021-12-22 13:41:54,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31199 conditions, 13619 events. 1539/13619 cut-off events. For 50169/50699 co-relation queries the response was YES. Maximal size of possible extension queue 567. Compared 185059 event pairs, 467 based on Foata normal form. 175/13106 useless extension candidates. Maximal degree in co-relation 28692. Up to 1505 conditions per place. [2021-12-22 13:41:54,393 INFO L132 encePairwiseOnDemand]: 218/232 looper letters, 298 selfloop transitions, 46 changer transitions 1/533 dead transitions. [2021-12-22 13:41:54,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 533 transitions, 7736 flow [2021-12-22 13:41:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:54,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1036 transitions. [2021-12-22 13:41:54,396 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8931034482758621 [2021-12-22 13:41:54,396 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1036 transitions. [2021-12-22 13:41:54,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1036 transitions. [2021-12-22 13:41:54,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:54,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1036 transitions. [2021-12-22 13:41:54,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.2) internal successors, (1036), 5 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:54,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:54,401 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:54,401 INFO L186 Difference]: Start difference. First operand has 303 places, 509 transitions, 6932 flow. Second operand 5 states and 1036 transitions. [2021-12-22 13:41:54,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 533 transitions, 7736 flow [2021-12-22 13:41:54,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 533 transitions, 7730 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-12-22 13:41:54,604 INFO L242 Difference]: Finished difference. Result has 310 places, 490 transitions, 6708 flow [2021-12-22 13:41:54,605 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=6319, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=480, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=6708, PETRI_PLACES=310, PETRI_TRANSITIONS=490} [2021-12-22 13:41:54,605 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 99 predicate places. [2021-12-22 13:41:54,605 INFO L470 AbstractCegarLoop]: Abstraction has has 310 places, 490 transitions, 6708 flow [2021-12-22 13:41:54,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:54,606 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:54,606 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:54,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 13:41:54,606 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:54,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:54,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1128055793, now seen corresponding path program 6 times [2021-12-22 13:41:54,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:54,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267677626] [2021-12-22 13:41:54,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:54,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:54,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:54,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267677626] [2021-12-22 13:41:54,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267677626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:54,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:54,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:54,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298894254] [2021-12-22 13:41:54,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:54,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:54,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:54,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:54,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:54,693 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:54,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 490 transitions, 6708 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:54,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:54,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:54,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:56,377 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][227], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 395#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 407#(or (= 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~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:56,813 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:56,813 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:56,813 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:56,813 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:56,832 INFO L129 PetriNetUnfolder]: 1568/14087 cut-off events. [2021-12-22 13:41:56,832 INFO L130 PetriNetUnfolder]: For 50309/50866 co-relation queries the response was YES. [2021-12-22 13:41:56,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32409 conditions, 14087 events. 1568/14087 cut-off events. For 50309/50866 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 193465 event pairs, 459 based on Foata normal form. 114/13498 useless extension candidates. Maximal degree in co-relation 29877. Up to 1505 conditions per place. [2021-12-22 13:41:56,954 INFO L132 encePairwiseOnDemand]: 220/232 looper letters, 292 selfloop transitions, 60 changer transitions 2/542 dead transitions. [2021-12-22 13:41:56,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 542 transitions, 8101 flow [2021-12-22 13:41:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1037 transitions. [2021-12-22 13:41:56,957 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8939655172413793 [2021-12-22 13:41:56,957 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1037 transitions. [2021-12-22 13:41:56,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1037 transitions. [2021-12-22 13:41:56,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:56,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1037 transitions. [2021-12-22 13:41:56,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:56,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:56,961 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:56,961 INFO L186 Difference]: Start difference. First operand has 310 places, 490 transitions, 6708 flow. Second operand 5 states and 1037 transitions. [2021-12-22 13:41:56,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 542 transitions, 8101 flow [2021-12-22 13:41:57,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 542 transitions, 8084 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-12-22 13:41:57,210 INFO L242 Difference]: Finished difference. Result has 315 places, 498 transitions, 7042 flow [2021-12-22 13:41:57,210 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=6691, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=7042, PETRI_PLACES=315, PETRI_TRANSITIONS=498} [2021-12-22 13:41:57,211 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 104 predicate places. [2021-12-22 13:41:57,211 INFO L470 AbstractCegarLoop]: Abstraction has has 315 places, 498 transitions, 7042 flow [2021-12-22 13:41:57,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:57,211 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:57,212 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:57,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 13:41:57,212 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:57,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:57,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1794719919, now seen corresponding path program 7 times [2021-12-22 13:41:57,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:57,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107869060] [2021-12-22 13:41:57,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:57,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:57,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:57,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107869060] [2021-12-22 13:41:57,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107869060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:57,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:57,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:57,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175141666] [2021-12-22 13:41:57,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:57,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:57,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:57,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:57,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:57,280 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:57,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 498 transitions, 7042 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:57,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:57,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:57,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:41:59,086 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][238], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), 395#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 407#(or (= 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Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), 43#L44-8true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* 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~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 366#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:41:59,414 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:41:59,414 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:59,414 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:59,414 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:41:59,444 INFO L129 PetriNetUnfolder]: 1559/13930 cut-off events. [2021-12-22 13:41:59,444 INFO L130 PetriNetUnfolder]: For 55277/55839 co-relation queries the response was YES. [2021-12-22 13:41:59,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32715 conditions, 13930 events. 1559/13930 cut-off events. For 55277/55839 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 190608 event pairs, 466 based on Foata normal form. 125/13363 useless extension candidates. Maximal degree in co-relation 30007. Up to 1229 conditions per place. [2021-12-22 13:41:59,594 INFO L132 encePairwiseOnDemand]: 217/232 looper letters, 313 selfloop transitions, 86 changer transitions 0/587 dead transitions. [2021-12-22 13:41:59,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 587 transitions, 9406 flow [2021-12-22 13:41:59,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:41:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:41:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1047 transitions. [2021-12-22 13:41:59,596 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9025862068965518 [2021-12-22 13:41:59,596 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1047 transitions. [2021-12-22 13:41:59,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1047 transitions. [2021-12-22 13:41:59,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:41:59,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1047 transitions. [2021-12-22 13:41:59,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 209.4) internal successors, (1047), 5 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:59,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:59,600 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:59,600 INFO L186 Difference]: Start difference. First operand has 315 places, 498 transitions, 7042 flow. Second operand 5 states and 1047 transitions. [2021-12-22 13:41:59,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 587 transitions, 9406 flow [2021-12-22 13:41:59,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 587 transitions, 9337 flow, removed 5 selfloop flow, removed 2 redundant places. [2021-12-22 13:41:59,810 INFO L242 Difference]: Finished difference. Result has 321 places, 531 transitions, 8085 flow [2021-12-22 13:41:59,811 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=6957, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=8085, PETRI_PLACES=321, PETRI_TRANSITIONS=531} [2021-12-22 13:41:59,811 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 110 predicate places. [2021-12-22 13:41:59,811 INFO L470 AbstractCegarLoop]: Abstraction has has 321 places, 531 transitions, 8085 flow [2021-12-22 13:41:59,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:59,812 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:41:59,812 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:41:59,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 13:41:59,812 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:41:59,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:41:59,813 INFO L85 PathProgramCache]: Analyzing trace with hash 805611589, now seen corresponding path program 8 times [2021-12-22 13:41:59,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:41:59,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428565491] [2021-12-22 13:41:59,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:41:59,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:41:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:41:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:41:59,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:41:59,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428565491] [2021-12-22 13:41:59,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428565491] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:41:59,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:41:59,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:41:59,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152645843] [2021-12-22 13:41:59,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:41:59,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:41:59,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:41:59,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:41:59,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:41:59,884 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:41:59,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 531 transitions, 8085 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:41:59,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:41:59,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:41:59,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:42:01,642 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][234], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 407#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 381#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 382#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 387#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 396#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 399#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, Black: 408#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 409#(and (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 416#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 415#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 413#true, 43#L44-8true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 57#L74-4true, 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 300#true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 426#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 336#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 368#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 354#true, Black: 356#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 358#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 417#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 370#(and (or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 366#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:42:01,642 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:42:01,642 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:42:01,642 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:42:01,642 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:42:02,172 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][234], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 407#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 381#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 382#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 387#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 264#(and (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 396#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 399#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 274#(and (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 272#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_5~0 (* (- 256) (div ~sort_label_is_null_5~0 256))) 0)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 270#true, 67#L56-18true, Black: 408#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), Black: 409#(and (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0))), 228#true, Black: 282#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 283#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 286#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))))), Black: 416#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 415#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 413#true, Black: 295#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), 306#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)) (or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 324#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 303#(or (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 302#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0)), Black: 309#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 304#(and (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), 357#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 300#true, 88#L75-2true, 107#L50-18true, Black: 326#(and (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 426#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 336#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 368#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 354#true, Black: 356#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 358#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 417#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 370#(and (or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 366#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:42:02,172 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:42:02,173 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:02,173 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:02,173 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:02,203 INFO L129 PetriNetUnfolder]: 1582/14299 cut-off events. [2021-12-22 13:42:02,203 INFO L130 PetriNetUnfolder]: For 59013/59604 co-relation queries the response was YES. [2021-12-22 13:42:02,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34079 conditions, 14299 events. 1582/14299 cut-off events. For 59013/59604 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 196296 event pairs, 432 based on Foata normal form. 117/13687 useless extension candidates. Maximal degree in co-relation 31258. Up to 1492 conditions per place. [2021-12-22 13:42:02,348 INFO L132 encePairwiseOnDemand]: 220/232 looper letters, 294 selfloop transitions, 87 changer transitions 2/571 dead transitions. [2021-12-22 13:42:02,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 571 transitions, 9390 flow [2021-12-22 13:42:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:42:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:42:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1035 transitions. [2021-12-22 13:42:02,350 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8922413793103449 [2021-12-22 13:42:02,350 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1035 transitions. [2021-12-22 13:42:02,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1035 transitions. [2021-12-22 13:42:02,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:42:02,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1035 transitions. [2021-12-22 13:42:02,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.0) internal successors, (1035), 5 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:02,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:02,353 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:02,353 INFO L186 Difference]: Start difference. First operand has 321 places, 531 transitions, 8085 flow. Second operand 5 states and 1035 transitions. [2021-12-22 13:42:02,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 571 transitions, 9390 flow [2021-12-22 13:42:02,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 571 transitions, 9378 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-12-22 13:42:02,609 INFO L242 Difference]: Finished difference. Result has 328 places, 538 transitions, 8580 flow [2021-12-22 13:42:02,610 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=8073, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=531, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=8580, PETRI_PLACES=328, PETRI_TRANSITIONS=538} [2021-12-22 13:42:02,610 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 117 predicate places. [2021-12-22 13:42:02,610 INFO L470 AbstractCegarLoop]: Abstraction has has 328 places, 538 transitions, 8580 flow [2021-12-22 13:42:02,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:02,610 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:42:02,610 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:42:02,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 13:42:02,611 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:42:02,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:42:02,611 INFO L85 PathProgramCache]: Analyzing trace with hash 160354459, now seen corresponding path program 9 times [2021-12-22 13:42:02,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:42:02,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216748101] [2021-12-22 13:42:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:42:02,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:42:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:42:02,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:42:02,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:42:02,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216748101] [2021-12-22 13:42:02,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216748101] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:42:02,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:42:02,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:42:02,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924506681] [2021-12-22 13:42:02,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:42:02,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:42:02,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:42:02,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:42:02,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:42:02,675 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:42:02,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 538 transitions, 8580 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:02,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:42:02,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:42:02,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:42:04,371 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][216], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 407#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 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13:42:04,371 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-22 13:42:04,371 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:42:04,371 INFO L387 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2021-12-22 13:42:04,371 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-22 13:42:04,894 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][216], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 407#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 381#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 382#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 387#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 260#true, Black: 262#(or 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256)) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 322#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 263#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 320#(and (or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 336#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 368#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 354#true, Black: 356#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 358#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 417#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 370#(and (or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 366#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:42:04,894 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:42:04,894 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:04,894 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:04,894 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:04,918 INFO L129 PetriNetUnfolder]: 1584/14378 cut-off events. [2021-12-22 13:42:04,919 INFO L130 PetriNetUnfolder]: For 63143/63746 co-relation queries the response was YES. [2021-12-22 13:42:05,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34284 conditions, 14378 events. 1584/14378 cut-off events. For 63143/63746 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 196347 event pairs, 469 based on Foata normal form. 131/13745 useless extension candidates. Maximal degree in co-relation 32588. Up to 1264 conditions per place. [2021-12-22 13:42:05,067 INFO L132 encePairwiseOnDemand]: 219/232 looper letters, 294 selfloop transitions, 94 changer transitions 0/576 dead transitions. [2021-12-22 13:42:05,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 576 transitions, 9775 flow [2021-12-22 13:42:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:42:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:42:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1037 transitions. [2021-12-22 13:42:05,069 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8939655172413793 [2021-12-22 13:42:05,069 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1037 transitions. [2021-12-22 13:42:05,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1037 transitions. [2021-12-22 13:42:05,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:42:05,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1037 transitions. [2021-12-22 13:42:05,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.4) internal successors, (1037), 5 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:05,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:05,072 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:05,072 INFO L186 Difference]: Start difference. First operand has 328 places, 538 transitions, 8580 flow. Second operand 5 states and 1037 transitions. [2021-12-22 13:42:05,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 576 transitions, 9775 flow [2021-12-22 13:42:05,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 576 transitions, 9740 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-12-22 13:42:05,332 INFO L242 Difference]: Finished difference. Result has 332 places, 537 transitions, 8746 flow [2021-12-22 13:42:05,332 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=8371, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=8746, PETRI_PLACES=332, PETRI_TRANSITIONS=537} [2021-12-22 13:42:05,333 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 121 predicate places. [2021-12-22 13:42:05,333 INFO L470 AbstractCegarLoop]: Abstraction has has 332 places, 537 transitions, 8746 flow [2021-12-22 13:42:05,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:05,333 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:42:05,333 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:42:05,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-22 13:42:05,334 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:42:05,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:42:05,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1850782651, now seen corresponding path program 8 times [2021-12-22 13:42:05,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:42:05,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323982095] [2021-12-22 13:42:05,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:42:05,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:42:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:42:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:42:05,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:42:05,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323982095] [2021-12-22 13:42:05,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323982095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:42:05,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:42:05,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:42:05,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918803665] [2021-12-22 13:42:05,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:42:05,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:42:05,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:42:05,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:42:05,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:42:05,420 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:42:05,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 537 transitions, 8746 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:05,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:42:05,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:42:05,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:42:07,289 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([626] L56-17-->L56-18: Formula: (= v_~result_8~0_1 |v_thread3Thread1of1ForFork2_#t~ite12#1_3|) InVars {thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|} OutVars{thread3Thread1of1ForFork2_#t~ite12#1=|v_thread3Thread1of1ForFork2_#t~ite12#1_3|, ~result_8~0=v_~result_8~0_1} AuxVars[] AssignedVars[~result_8~0][224], [Black: 233#(and (= ~result_8~0 0) (= ~result_7~0 0)), Black: 239#(and (= ~result_8~0 0) (= ~result_7~0 0) (= |thread3Thread1of1ForFork2_#t~ite12#1| 0)), Black: 237#(and (= ~result_8~0 0) (= |thread2Thread1of1ForFork1_#t~ite8#1| 0) (= ~result_7~0 0)), 407#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 381#(or (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 382#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), Black: 387#(and (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))) (or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 260#true, Black: 262#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), 284#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 273#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not 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~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)))), Black: 318#true, Black: 321#(or (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))))), Black: 336#true, Black: 338#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 340#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), Black: 349#(or (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 368#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 354#true, Black: 356#(or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), 443#(= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0), 339#(or (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0) (and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))))), Black: 358#(and (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= (+ (* (- 256) (div ~sort_label_is_null_3~0 256)) ~sort_label_is_null_3~0) 0))), 417#(= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0), Black: 370#(and (or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)) (or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256)))), Black: 366#(or (not (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256))) (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))), Black: 367#(or (not (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256)))) (= (+ ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) (- 256))) 0)), Black: 364#true, 384#(and (= ~sort_label_is_null_3~0 (* (div ~sort_label_is_null_3~0 256) 256)) (or (= ~sort_label_is_null_5~0 (* 256 (div ~sort_label_is_null_5~0 256))) (not (= ~sort_label_is_null_1~0 (* (div ~sort_label_is_null_1~0 256) 256))))), Black: 231#(= ~result_7~0 0)]) [2021-12-22 13:42:07,772 INFO L384 tUnfolder$Statistics]: this new event has 128 ancestors and is cut-off event [2021-12-22 13:42:07,772 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:07,772 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:07,772 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-22 13:42:07,804 INFO L129 PetriNetUnfolder]: 1576/14571 cut-off events. [2021-12-22 13:42:07,804 INFO L130 PetriNetUnfolder]: For 65787/66423 co-relation queries the response was YES. [2021-12-22 13:42:07,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34691 conditions, 14571 events. 1576/14571 cut-off events. For 65787/66423 co-relation queries the response was YES. Maximal size of possible extension queue 577. Compared 199657 event pairs, 395 based on Foata normal form. 132/13941 useless extension candidates. Maximal degree in co-relation 32957. Up to 1365 conditions per place. [2021-12-22 13:42:07,991 INFO L132 encePairwiseOnDemand]: 215/232 looper letters, 275 selfloop transitions, 128 changer transitions 0/591 dead transitions. [2021-12-22 13:42:07,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 591 transitions, 10471 flow [2021-12-22 13:42:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 13:42:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-22 13:42:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2021-12-22 13:42:07,994 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8987068965517241 [2021-12-22 13:42:07,994 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1251 transitions. [2021-12-22 13:42:07,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1251 transitions. [2021-12-22 13:42:07,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:42:07,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1251 transitions. [2021-12-22 13:42:07,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.5) internal successors, (1251), 6 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:07,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:07,997 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 232.0) internal successors, (1624), 7 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:07,997 INFO L186 Difference]: Start difference. First operand has 332 places, 537 transitions, 8746 flow. Second operand 6 states and 1251 transitions. [2021-12-22 13:42:07,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 591 transitions, 10471 flow [2021-12-22 13:42:08,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 591 transitions, 10334 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-12-22 13:42:08,385 INFO L242 Difference]: Finished difference. Result has 336 places, 538 transitions, 9034 flow [2021-12-22 13:42:08,385 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=8605, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9034, PETRI_PLACES=336, PETRI_TRANSITIONS=538} [2021-12-22 13:42:08,385 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 125 predicate places. [2021-12-22 13:42:08,385 INFO L470 AbstractCegarLoop]: Abstraction has has 336 places, 538 transitions, 9034 flow [2021-12-22 13:42:08,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:08,386 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:42:08,386 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:42:08,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-22 13:42:08,386 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:42:08,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:42:08,387 INFO L85 PathProgramCache]: Analyzing trace with hash -223134167, now seen corresponding path program 9 times [2021-12-22 13:42:08,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:42:08,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073890197] [2021-12-22 13:42:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:42:08,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:42:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:42:08,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:42:08,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:42:08,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073890197] [2021-12-22 13:42:08,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073890197] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:42:08,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:42:08,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:42:08,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450296707] [2021-12-22 13:42:08,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:42:08,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:42:08,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:42:08,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:42:08,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:42:08,441 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:42:08,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 538 transitions, 9034 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:08,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:42:08,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:42:08,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:42:10,552 INFO L129 PetriNetUnfolder]: 1544/13673 cut-off events. [2021-12-22 13:42:10,552 INFO L130 PetriNetUnfolder]: For 70863/71511 co-relation queries the response was YES. [2021-12-22 13:42:10,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33949 conditions, 13673 events. 1544/13673 cut-off events. For 70863/71511 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 186962 event pairs, 431 based on Foata normal form. 131/13105 useless extension candidates. Maximal degree in co-relation 32054. Up to 1394 conditions per place. [2021-12-22 13:42:10,687 INFO L132 encePairwiseOnDemand]: 219/232 looper letters, 350 selfloop transitions, 65 changer transitions 0/603 dead transitions. [2021-12-22 13:42:10,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 603 transitions, 11106 flow [2021-12-22 13:42:10,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:42:10,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:42:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1042 transitions. [2021-12-22 13:42:10,688 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8982758620689655 [2021-12-22 13:42:10,688 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1042 transitions. [2021-12-22 13:42:10,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1042 transitions. [2021-12-22 13:42:10,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:42:10,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1042 transitions. [2021-12-22 13:42:10,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:10,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:10,691 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:10,691 INFO L186 Difference]: Start difference. First operand has 336 places, 538 transitions, 9034 flow. Second operand 5 states and 1042 transitions. [2021-12-22 13:42:10,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 603 transitions, 11106 flow [2021-12-22 13:42:10,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 603 transitions, 10904 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-12-22 13:42:10,938 INFO L242 Difference]: Finished difference. Result has 340 places, 548 transitions, 9293 flow [2021-12-22 13:42:10,938 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=8751, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=536, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=471, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=9293, PETRI_PLACES=340, PETRI_TRANSITIONS=548} [2021-12-22 13:42:10,939 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 129 predicate places. [2021-12-22 13:42:10,939 INFO L470 AbstractCegarLoop]: Abstraction has has 340 places, 548 transitions, 9293 flow [2021-12-22 13:42:10,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:10,939 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:42:10,939 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:42:10,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-22 13:42:10,939 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:42:10,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:42:10,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1805453009, now seen corresponding path program 10 times [2021-12-22 13:42:10,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:42:10,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352812521] [2021-12-22 13:42:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:42:10,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:42:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:42:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:42:11,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:42:11,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352812521] [2021-12-22 13:42:11,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352812521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:42:11,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:42:11,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:42:11,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348624494] [2021-12-22 13:42:11,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:42:11,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:42:11,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:42:11,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:42:11,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:42:11,008 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:42:11,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 548 transitions, 9293 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:11,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:42:11,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:42:11,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:42:13,492 INFO L129 PetriNetUnfolder]: 1586/14504 cut-off events. [2021-12-22 13:42:13,492 INFO L130 PetriNetUnfolder]: For 69112/69737 co-relation queries the response was YES. [2021-12-22 13:42:13,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35482 conditions, 14504 events. 1586/14504 cut-off events. For 69112/69737 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 198833 event pairs, 344 based on Foata normal form. 123/13882 useless extension candidates. Maximal degree in co-relation 33535. Up to 1395 conditions per place. [2021-12-22 13:42:13,639 INFO L132 encePairwiseOnDemand]: 220/232 looper letters, 343 selfloop transitions, 78 changer transitions 0/609 dead transitions. [2021-12-22 13:42:13,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 609 transitions, 11314 flow [2021-12-22 13:42:13,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:42:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:42:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1041 transitions. [2021-12-22 13:42:13,640 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8974137931034483 [2021-12-22 13:42:13,640 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1041 transitions. [2021-12-22 13:42:13,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1041 transitions. [2021-12-22 13:42:13,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:42:13,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1041 transitions. [2021-12-22 13:42:13,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:13,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:13,643 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:13,643 INFO L186 Difference]: Start difference. First operand has 340 places, 548 transitions, 9293 flow. Second operand 5 states and 1041 transitions. [2021-12-22 13:42:13,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 609 transitions, 11314 flow [2021-12-22 13:42:13,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 609 transitions, 11310 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-12-22 13:42:13,950 INFO L242 Difference]: Finished difference. Result has 345 places, 556 transitions, 9737 flow [2021-12-22 13:42:13,950 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=9204, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=545, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=67, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=467, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=9737, PETRI_PLACES=345, PETRI_TRANSITIONS=556} [2021-12-22 13:42:13,951 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 134 predicate places. [2021-12-22 13:42:13,951 INFO L470 AbstractCegarLoop]: Abstraction has has 345 places, 556 transitions, 9737 flow [2021-12-22 13:42:13,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:13,951 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:42:13,952 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:42:13,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-22 13:42:13,952 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:42:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:42:13,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1784913393, now seen corresponding path program 11 times [2021-12-22 13:42:13,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:42:13,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508040490] [2021-12-22 13:42:13,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:42:13,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:42:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:42:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:42:14,016 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:42:14,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508040490] [2021-12-22 13:42:14,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508040490] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:42:14,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:42:14,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:42:14,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177328958] [2021-12-22 13:42:14,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:42:14,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:42:14,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:42:14,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:42:14,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:42:14,019 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:42:14,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 556 transitions, 9737 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:14,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:42:14,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:42:14,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:42:16,348 INFO L129 PetriNetUnfolder]: 1577/14352 cut-off events. [2021-12-22 13:42:16,348 INFO L130 PetriNetUnfolder]: For 74361/74975 co-relation queries the response was YES. [2021-12-22 13:42:16,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35847 conditions, 14352 events. 1577/14352 cut-off events. For 74361/74975 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 197801 event pairs, 396 based on Foata normal form. 126/13745 useless extension candidates. Maximal degree in co-relation 33912. Up to 1108 conditions per place. [2021-12-22 13:42:16,519 INFO L132 encePairwiseOnDemand]: 217/232 looper letters, 314 selfloop transitions, 122 changer transitions 0/624 dead transitions. [2021-12-22 13:42:16,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 624 transitions, 12022 flow [2021-12-22 13:42:16,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:42:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:42:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1050 transitions. [2021-12-22 13:42:16,524 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9051724137931034 [2021-12-22 13:42:16,527 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1050 transitions. [2021-12-22 13:42:16,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1050 transitions. [2021-12-22 13:42:16,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:42:16,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1050 transitions. [2021-12-22 13:42:16,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:16,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:16,530 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:16,530 INFO L186 Difference]: Start difference. First operand has 345 places, 556 transitions, 9737 flow. Second operand 5 states and 1050 transitions. [2021-12-22 13:42:16,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 624 transitions, 12022 flow [2021-12-22 13:42:16,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 624 transitions, 11932 flow, removed 16 selfloop flow, removed 1 redundant places. [2021-12-22 13:42:16,832 INFO L242 Difference]: Finished difference. Result has 350 places, 574 transitions, 10535 flow [2021-12-22 13:42:16,833 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=9630, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=103, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=10535, PETRI_PLACES=350, PETRI_TRANSITIONS=574} [2021-12-22 13:42:16,834 INFO L334 CegarLoopForPetriNet]: 211 programPoint places, 139 predicate places. [2021-12-22 13:42:16,834 INFO L470 AbstractCegarLoop]: Abstraction has has 350 places, 574 transitions, 10535 flow [2021-12-22 13:42:16,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:16,834 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-22 13:42:16,834 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 13:42:16,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-22 13:42:16,835 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-22 13:42:16,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 13:42:16,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1723124795, now seen corresponding path program 12 times [2021-12-22 13:42:16,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 13:42:16,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281282394] [2021-12-22 13:42:16,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 13:42:16,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 13:42:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 13:42:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 13:42:16,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 13:42:16,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281282394] [2021-12-22 13:42:16,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281282394] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 13:42:16,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 13:42:16,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 13:42:16,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769076607] [2021-12-22 13:42:16,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 13:42:16,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 13:42:16,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 13:42:16,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 13:42:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-22 13:42:16,910 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 232 [2021-12-22 13:42:16,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 574 transitions, 10535 flow. Second operand has 5 states, 5 states have (on average 196.2) internal successors, (981), 5 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:16,910 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-22 13:42:16,910 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 232 [2021-12-22 13:42:16,910 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-22 13:42:19,235 INFO L129 PetriNetUnfolder]: 1563/14385 cut-off events. [2021-12-22 13:42:19,236 INFO L130 PetriNetUnfolder]: For 78156/78758 co-relation queries the response was YES. [2021-12-22 13:42:19,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36121 conditions, 14385 events. 1563/14385 cut-off events. For 78156/78758 co-relation queries the response was YES. Maximal size of possible extension queue 604. Compared 198503 event pairs, 405 based on Foata normal form. 131/13785 useless extension candidates. Maximal degree in co-relation 34843. Up to 1225 conditions per place. [2021-12-22 13:42:19,400 INFO L132 encePairwiseOnDemand]: 217/232 looper letters, 322 selfloop transitions, 106 changer transitions 0/616 dead transitions. [2021-12-22 13:42:19,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 616 transitions, 12079 flow [2021-12-22 13:42:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 13:42:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-22 13:42:19,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1041 transitions. [2021-12-22 13:42:19,401 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8974137931034483 [2021-12-22 13:42:19,401 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1041 transitions. [2021-12-22 13:42:19,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1041 transitions. [2021-12-22 13:42:19,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 13:42:19,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1041 transitions. [2021-12-22 13:42:19,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:19,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:19,403 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 232.0) internal successors, (1392), 6 states have internal predecessors, (1392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 13:42:19,403 INFO L186 Difference]: Start difference. First operand has 350 places, 574 transitions, 10535 flow. Second operand 5 states and 1041 transitions. [2021-12-22 13:42:19,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 616 transitions, 12079 flow