./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix039.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix039.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 22:19:19,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:19:19,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:19:19,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:19:19,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:19:19,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:19:19,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:19:19,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:19:19,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:19:19,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:19:19,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:19:19,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:19:19,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:19:19,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:19:19,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:19:19,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:19:19,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:19:19,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:19:19,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:19:19,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:19:19,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:19:19,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:19:19,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:19:19,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:19:19,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:19:19,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:19:19,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:19:19,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:19:19,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:19:19,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:19:19,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:19:19,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:19:19,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:19:19,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:19:19,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:19:19,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:19:19,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:19:19,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:19:19,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:19:19,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:19:19,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:19:19,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:19:19,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:19:19,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:19:19,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:19:19,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:19:19,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:19:19,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:19:19,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:19:19,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:19:19,632 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:19:19,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:19:19,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:19:19,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:19:19,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:19:19,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:19:19,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:19:19,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:19:19,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:19:19,634 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:19:19,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:19:19,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:19:19,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:19:19,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:19:19,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:19:19,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:19:19,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:19:19,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:19:19,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:19:19,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:19:19,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:19:19,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:19:19,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:19:19,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:19:19,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:19:19,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:19:19,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42c5ff0d69642601057eb29fc7d78b67af5ab0b43644460199f4561abe049d3b [2021-12-17 22:19:19,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:19:19,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:19:19,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:19:19,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:19:19,855 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:19:19,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2021-12-17 22:19:19,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c83e3cda/2bf0a655dfeb4379a42f35b25d8d2b58/FLAG388948588 [2021-12-17 22:19:20,332 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:19:20,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix039.oepc.i [2021-12-17 22:19:20,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c83e3cda/2bf0a655dfeb4379a42f35b25d8d2b58/FLAG388948588 [2021-12-17 22:19:20,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c83e3cda/2bf0a655dfeb4379a42f35b25d8d2b58 [2021-12-17 22:19:20,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:19:20,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:19:20,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:19:20,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:19:20,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:19:20,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a80cfe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20, skipping insertion in model container [2021-12-17 22:19:20,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:19:20,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:19:20,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix039.oepc.i[945,958] [2021-12-17 22:19:20,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:19:20,744 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:19:20,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix039.oepc.i[945,958] [2021-12-17 22:19:20,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:19:20,838 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:19:20,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20 WrapperNode [2021-12-17 22:19:20,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:19:20,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:19:20,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:19:20,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:19:20,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,904 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2021-12-17 22:19:20,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:19:20,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:19:20,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:19:20,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:19:20,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:19:20,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:19:20,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:19:20,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:19:20,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (1/1) ... [2021-12-17 22:19:20,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:19:20,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:19:21,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 22:19:21,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 22:19:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 22:19:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-17 22:19:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:19:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:19:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:19:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-17 22:19:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-17 22:19:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-17 22:19:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-17 22:19:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-17 22:19:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-17 22:19:21,059 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-17 22:19:21,059 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-17 22:19:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 22:19:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-17 22:19:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:19:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:19:21,061 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:19:21,195 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:19:21,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:19:21,643 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:19:21,905 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:19:21,906 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-17 22:19:21,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:19:21 BoogieIcfgContainer [2021-12-17 22:19:21,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 22:19:21,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 22:19:21,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 22:19:21,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 22:19:21,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:19:20" (1/3) ... [2021-12-17 22:19:21,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548d3c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:19:21, skipping insertion in model container [2021-12-17 22:19:21,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:19:20" (2/3) ... [2021-12-17 22:19:21,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548d3c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:19:21, skipping insertion in model container [2021-12-17 22:19:21,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:19:21" (3/3) ... [2021-12-17 22:19:21,915 INFO L111 eAbstractionObserver]: Analyzing ICFG mix039.oepc.i [2021-12-17 22:19:21,919 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-17 22:19:21,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 22:19:21,920 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-17 22:19:21,920 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-17 22:19:21,960 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,961 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,962 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,963 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,963 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,963 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,964 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,964 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,965 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,965 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,966 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,966 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,966 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,966 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,966 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,967 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,967 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,967 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,967 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,967 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,968 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,968 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,968 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,971 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,971 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,971 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,971 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,971 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,972 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,973 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,974 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,974 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,974 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,974 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,974 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,974 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,975 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,975 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,976 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,976 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,976 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,976 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,976 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,976 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,977 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,977 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,977 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,978 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,979 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,981 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,984 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,984 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,984 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,984 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,985 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,989 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,989 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,989 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,990 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,990 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,990 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,990 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,990 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,990 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,990 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,990 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,991 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,991 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,991 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,991 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,991 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,992 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,992 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,992 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,993 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,994 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,994 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,994 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,994 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,994 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,994 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,994 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,994 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,995 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,997 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,997 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,997 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,997 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,997 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,997 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,997 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,998 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:21,999 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,000 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,001 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,004 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,005 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,005 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,005 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,005 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,005 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,005 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,005 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,006 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,006 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,006 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,006 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,006 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,006 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,006 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,007 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,007 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,007 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,011 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,012 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,012 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,012 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,012 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,012 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,012 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,012 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,013 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,013 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,013 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,013 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,013 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,013 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,014 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,014 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,014 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,017 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,017 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,018 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,018 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,018 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,018 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,018 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,018 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,018 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,020 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,020 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,020 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,020 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,020 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,020 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,020 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,021 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,021 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,021 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,022 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,022 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,023 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,023 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,023 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,031 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,031 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,031 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,031 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,032 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,032 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,032 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,033 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,034 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,034 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-17 22:19:22,034 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-17 22:19:22,074 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 22:19:22,079 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 22:19:22,079 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-17 22:19:22,098 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 140 transitions, 300 flow [2021-12-17 22:19:22,149 INFO L129 PetriNetUnfolder]: 2/136 cut-off events. [2021-12-17 22:19:22,150 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:19:22,153 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 136 events. 2/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2021-12-17 22:19:22,154 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 140 transitions, 300 flow [2021-12-17 22:19:22,160 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 136 transitions, 284 flow [2021-12-17 22:19:22,174 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-12-17 22:19:22,174 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-17 22:19:22,174 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:19:22,175 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] [2021-12-17 22:19:22,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:19:22,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:19:22,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1071099749, now seen corresponding path program 1 times [2021-12-17 22:19:22,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:19:22,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952471064] [2021-12-17 22:19:22,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:19:22,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:19:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:19:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:19:22,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:19:22,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952471064] [2021-12-17 22:19:22,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952471064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:19:22,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:19:22,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 22:19:22,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442561698] [2021-12-17 22:19:22,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:19:22,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 22:19:22,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:19:22,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 22:19:22,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 22:19:22,490 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 140 [2021-12-17 22:19:22,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 136 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:22,496 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:19:22,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 140 [2021-12-17 22:19:22,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:19:22,695 INFO L129 PetriNetUnfolder]: 162/624 cut-off events. [2021-12-17 22:19:22,696 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-12-17 22:19:22,698 INFO L84 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 624 events. 162/624 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3446 event pairs, 132 based on Foata normal form. 46/628 useless extension candidates. Maximal degree in co-relation 871. Up to 191 conditions per place. [2021-12-17 22:19:22,702 INFO L132 encePairwiseOnDemand]: 135/140 looper letters, 18 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2021-12-17 22:19:22,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 140 transitions, 341 flow [2021-12-17 22:19:22,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 22:19:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-17 22:19:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions. [2021-12-17 22:19:22,712 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9452380952380952 [2021-12-17 22:19:22,713 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 397 transitions. [2021-12-17 22:19:22,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 397 transitions. [2021-12-17 22:19:22,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:19:22,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 397 transitions. [2021-12-17 22:19:22,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:22,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:22,724 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 140.0) internal successors, (560), 4 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:22,725 INFO L186 Difference]: Start difference. First operand has 147 places, 136 transitions, 284 flow. Second operand 3 states and 397 transitions. [2021-12-17 22:19:22,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 140 transitions, 341 flow [2021-12-17 22:19:22,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 334 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-17 22:19:22,730 INFO L242 Difference]: Finished difference. Result has 143 places, 132 transitions, 276 flow [2021-12-17 22:19:22,732 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=143, PETRI_TRANSITIONS=132} [2021-12-17 22:19:22,734 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, -4 predicate places. [2021-12-17 22:19:22,734 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 132 transitions, 276 flow [2021-12-17 22:19:22,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:22,735 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:19:22,735 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] [2021-12-17 22:19:22,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 22:19:22,735 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:19:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:19:22,736 INFO L85 PathProgramCache]: Analyzing trace with hash 2044475513, now seen corresponding path program 1 times [2021-12-17 22:19:22,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:19:22,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008715424] [2021-12-17 22:19:22,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:19:22,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:19:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:19:22,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:19:22,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:19:22,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008715424] [2021-12-17 22:19:22,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008715424] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:19:22,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:19:22,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:19:22,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126238389] [2021-12-17 22:19:22,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:19:22,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:19:22,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:19:22,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:19:22,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:19:22,984 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2021-12-17 22:19:22,985 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 132 transitions, 276 flow. Second operand has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:22,985 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:19:22,985 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2021-12-17 22:19:22,985 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:19:25,440 INFO L129 PetriNetUnfolder]: 9293/20705 cut-off events. [2021-12-17 22:19:25,441 INFO L130 PetriNetUnfolder]: For 880/880 co-relation queries the response was YES. [2021-12-17 22:19:25,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34538 conditions, 20705 events. 9293/20705 cut-off events. For 880/880 co-relation queries the response was YES. Maximal size of possible extension queue 930. Compared 207611 event pairs, 909 based on Foata normal form. 0/20354 useless extension candidates. Maximal degree in co-relation 34476. Up to 4819 conditions per place. [2021-12-17 22:19:25,554 INFO L132 encePairwiseOnDemand]: 129/140 looper letters, 43 selfloop transitions, 7 changer transitions 113/254 dead transitions. [2021-12-17 22:19:25,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 254 transitions, 842 flow [2021-12-17 22:19:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:19:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:19:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1557 transitions. [2021-12-17 22:19:25,558 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8554945054945055 [2021-12-17 22:19:25,558 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1557 transitions. [2021-12-17 22:19:25,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1557 transitions. [2021-12-17 22:19:25,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:19:25,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1557 transitions. [2021-12-17 22:19:25,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 119.76923076923077) internal successors, (1557), 13 states have internal predecessors, (1557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:25,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:25,566 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:25,566 INFO L186 Difference]: Start difference. First operand has 143 places, 132 transitions, 276 flow. Second operand 13 states and 1557 transitions. [2021-12-17 22:19:25,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 254 transitions, 842 flow [2021-12-17 22:19:25,568 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 254 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-17 22:19:25,571 INFO L242 Difference]: Finished difference. Result has 165 places, 123 transitions, 344 flow [2021-12-17 22:19:25,571 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=344, PETRI_PLACES=165, PETRI_TRANSITIONS=123} [2021-12-17 22:19:25,572 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 18 predicate places. [2021-12-17 22:19:25,572 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 123 transitions, 344 flow [2021-12-17 22:19:25,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:25,573 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:19:25,573 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] [2021-12-17 22:19:25,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 22:19:25,574 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:19:25,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:19:25,574 INFO L85 PathProgramCache]: Analyzing trace with hash 834243447, now seen corresponding path program 1 times [2021-12-17 22:19:25,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:19:25,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862513971] [2021-12-17 22:19:25,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:19:25,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:19:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:19:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:19:25,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:19:25,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862513971] [2021-12-17 22:19:25,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862513971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:19:25,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:19:25,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:19:25,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167387631] [2021-12-17 22:19:25,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:19:25,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:19:25,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:19:25,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:19:25,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:19:25,683 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2021-12-17 22:19:25,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 123 transitions, 344 flow. Second operand has 7 states, 7 states have (on average 110.42857142857143) internal successors, (773), 7 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:25,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:19:25,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2021-12-17 22:19:25,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:19:27,474 INFO L129 PetriNetUnfolder]: 6732/11736 cut-off events. [2021-12-17 22:19:27,474 INFO L130 PetriNetUnfolder]: For 21702/21722 co-relation queries the response was YES. [2021-12-17 22:19:27,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35260 conditions, 11736 events. 6732/11736 cut-off events. For 21702/21722 co-relation queries the response was YES. Maximal size of possible extension queue 628. Compared 87366 event pairs, 1164 based on Foata normal form. 236/11673 useless extension candidates. Maximal degree in co-relation 35186. Up to 4207 conditions per place. [2021-12-17 22:19:27,557 INFO L132 encePairwiseOnDemand]: 127/140 looper letters, 44 selfloop transitions, 16 changer transitions 88/239 dead transitions. [2021-12-17 22:19:27,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 239 transitions, 1246 flow [2021-12-17 22:19:27,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:19:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:19:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1550 transitions. [2021-12-17 22:19:27,560 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8516483516483516 [2021-12-17 22:19:27,561 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1550 transitions. [2021-12-17 22:19:27,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1550 transitions. [2021-12-17 22:19:27,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:19:27,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1550 transitions. [2021-12-17 22:19:27,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 119.23076923076923) internal successors, (1550), 13 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:27,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:27,567 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:27,568 INFO L186 Difference]: Start difference. First operand has 165 places, 123 transitions, 344 flow. Second operand 13 states and 1550 transitions. [2021-12-17 22:19:27,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 239 transitions, 1246 flow [2021-12-17 22:19:27,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 239 transitions, 1194 flow, removed 24 selfloop flow, removed 4 redundant places. [2021-12-17 22:19:27,659 INFO L242 Difference]: Finished difference. Result has 161 places, 130 transitions, 469 flow [2021-12-17 22:19:27,659 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=469, PETRI_PLACES=161, PETRI_TRANSITIONS=130} [2021-12-17 22:19:27,660 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 14 predicate places. [2021-12-17 22:19:27,660 INFO L470 AbstractCegarLoop]: Abstraction has has 161 places, 130 transitions, 469 flow [2021-12-17 22:19:27,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.42857142857143) internal successors, (773), 7 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:27,661 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:19:27,661 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:19:27,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 22:19:27,661 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:19:27,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:19:27,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1835315408, now seen corresponding path program 1 times [2021-12-17 22:19:27,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:19:27,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295069052] [2021-12-17 22:19:27,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:19:27,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:19:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:19:27,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:19:27,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:19:27,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295069052] [2021-12-17 22:19:27,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295069052] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:19:27,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:19:27,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:19:27,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787464614] [2021-12-17 22:19:27,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:19:27,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:19:27,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:19:27,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:19:27,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:19:27,756 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2021-12-17 22:19:27,756 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 130 transitions, 469 flow. Second operand has 6 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:27,756 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:19:27,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2021-12-17 22:19:27,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:19:31,462 INFO L129 PetriNetUnfolder]: 17594/30604 cut-off events. [2021-12-17 22:19:31,462 INFO L130 PetriNetUnfolder]: For 33392/38154 co-relation queries the response was YES. [2021-12-17 22:19:31,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73186 conditions, 30604 events. 17594/30604 cut-off events. For 33392/38154 co-relation queries the response was YES. Maximal size of possible extension queue 1982. Compared 274829 event pairs, 1585 based on Foata normal form. 28/28655 useless extension candidates. Maximal degree in co-relation 73104. Up to 9199 conditions per place. [2021-12-17 22:19:31,774 INFO L132 encePairwiseOnDemand]: 129/140 looper letters, 93 selfloop transitions, 20 changer transitions 0/219 dead transitions. [2021-12-17 22:19:31,774 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 219 transitions, 984 flow [2021-12-17 22:19:31,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 22:19:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-17 22:19:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1237 transitions. [2021-12-17 22:19:31,778 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8835714285714286 [2021-12-17 22:19:31,778 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1237 transitions. [2021-12-17 22:19:31,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1237 transitions. [2021-12-17 22:19:31,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:19:31,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1237 transitions. [2021-12-17 22:19:31,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 123.7) internal successors, (1237), 10 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:31,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 140.0) internal successors, (1540), 11 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:31,783 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 140.0) internal successors, (1540), 11 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:31,783 INFO L186 Difference]: Start difference. First operand has 161 places, 130 transitions, 469 flow. Second operand 10 states and 1237 transitions. [2021-12-17 22:19:31,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 219 transitions, 984 flow [2021-12-17 22:19:31,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 219 transitions, 954 flow, removed 15 selfloop flow, removed 12 redundant places. [2021-12-17 22:19:31,853 INFO L242 Difference]: Finished difference. Result has 155 places, 148 transitions, 582 flow [2021-12-17 22:19:31,854 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=582, PETRI_PLACES=155, PETRI_TRANSITIONS=148} [2021-12-17 22:19:31,855 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 8 predicate places. [2021-12-17 22:19:31,855 INFO L470 AbstractCegarLoop]: Abstraction has has 155 places, 148 transitions, 582 flow [2021-12-17 22:19:31,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:31,856 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:19:31,856 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] [2021-12-17 22:19:31,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 22:19:31,856 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:19:31,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:19:31,857 INFO L85 PathProgramCache]: Analyzing trace with hash -679092166, now seen corresponding path program 1 times [2021-12-17 22:19:31,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:19:31,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397935529] [2021-12-17 22:19:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:19:31,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:19:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:19:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:19:31,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:19:31,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397935529] [2021-12-17 22:19:31,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397935529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:19:31,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:19:31,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 22:19:31,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13342180] [2021-12-17 22:19:31,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:19:31,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 22:19:31,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:19:31,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 22:19:31,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 22:19:31,968 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 140 [2021-12-17 22:19:31,968 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 148 transitions, 582 flow. Second operand has 6 states, 6 states have (on average 117.33333333333333) internal successors, (704), 6 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:31,968 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:19:31,968 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 140 [2021-12-17 22:19:31,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:19:34,323 INFO L129 PetriNetUnfolder]: 6828/18620 cut-off events. [2021-12-17 22:19:34,323 INFO L130 PetriNetUnfolder]: For 24314/27022 co-relation queries the response was YES. [2021-12-17 22:19:34,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49365 conditions, 18620 events. 6828/18620 cut-off events. For 24314/27022 co-relation queries the response was YES. Maximal size of possible extension queue 1094. Compared 219238 event pairs, 2521 based on Foata normal form. 358/17780 useless extension candidates. Maximal degree in co-relation 49286. Up to 3089 conditions per place. [2021-12-17 22:19:34,559 INFO L132 encePairwiseOnDemand]: 134/140 looper letters, 71 selfloop transitions, 15 changer transitions 0/207 dead transitions. [2021-12-17 22:19:34,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 207 transitions, 982 flow [2021-12-17 22:19:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 22:19:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-17 22:19:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1117 transitions. [2021-12-17 22:19:34,562 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8865079365079365 [2021-12-17 22:19:34,562 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1117 transitions. [2021-12-17 22:19:34,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1117 transitions. [2021-12-17 22:19:34,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:19:34,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1117 transitions. [2021-12-17 22:19:34,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 124.11111111111111) internal successors, (1117), 9 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:34,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 140.0) internal successors, (1400), 10 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:34,567 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 140.0) internal successors, (1400), 10 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:34,567 INFO L186 Difference]: Start difference. First operand has 155 places, 148 transitions, 582 flow. Second operand 9 states and 1117 transitions. [2021-12-17 22:19:34,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 207 transitions, 982 flow [2021-12-17 22:19:34,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 207 transitions, 980 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-17 22:19:34,615 INFO L242 Difference]: Finished difference. Result has 169 places, 156 transitions, 707 flow [2021-12-17 22:19:34,615 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=707, PETRI_PLACES=169, PETRI_TRANSITIONS=156} [2021-12-17 22:19:34,615 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 22 predicate places. [2021-12-17 22:19:34,616 INFO L470 AbstractCegarLoop]: Abstraction has has 169 places, 156 transitions, 707 flow [2021-12-17 22:19:34,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.33333333333333) internal successors, (704), 6 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:34,616 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:19:34,616 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] [2021-12-17 22:19:34,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 22:19:34,617 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:19:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:19:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1707312821, now seen corresponding path program 1 times [2021-12-17 22:19:34,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:19:34,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599174678] [2021-12-17 22:19:34,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:19:34,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:19:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:19:34,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:19:34,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:19:34,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599174678] [2021-12-17 22:19:34,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599174678] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:19:34,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:19:34,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:19:34,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041226424] [2021-12-17 22:19:34,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:19:34,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:19:34,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:19:34,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:19:34,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:19:34,714 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2021-12-17 22:19:34,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 156 transitions, 707 flow. Second operand has 7 states, 7 states have (on average 109.14285714285714) internal successors, (764), 7 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:34,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:19:34,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2021-12-17 22:19:34,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:19:38,784 INFO L129 PetriNetUnfolder]: 13958/33389 cut-off events. [2021-12-17 22:19:38,785 INFO L130 PetriNetUnfolder]: For 69943/75551 co-relation queries the response was YES. [2021-12-17 22:19:39,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99475 conditions, 33389 events. 13958/33389 cut-off events. For 69943/75551 co-relation queries the response was YES. Maximal size of possible extension queue 1830. Compared 397231 event pairs, 2417 based on Foata normal form. 551/32281 useless extension candidates. Maximal degree in co-relation 99384. Up to 7153 conditions per place. [2021-12-17 22:19:39,380 INFO L132 encePairwiseOnDemand]: 126/140 looper letters, 110 selfloop transitions, 52 changer transitions 0/269 dead transitions. [2021-12-17 22:19:39,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 269 transitions, 1769 flow [2021-12-17 22:19:39,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 22:19:39,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-17 22:19:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1290 transitions. [2021-12-17 22:19:39,383 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8376623376623377 [2021-12-17 22:19:39,383 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1290 transitions. [2021-12-17 22:19:39,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1290 transitions. [2021-12-17 22:19:39,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:19:39,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1290 transitions. [2021-12-17 22:19:39,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 117.27272727272727) internal successors, (1290), 11 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:39,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 140.0) internal successors, (1680), 12 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:39,394 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 140.0) internal successors, (1680), 12 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:39,394 INFO L186 Difference]: Start difference. First operand has 169 places, 156 transitions, 707 flow. Second operand 11 states and 1290 transitions. [2021-12-17 22:19:39,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 269 transitions, 1769 flow [2021-12-17 22:19:40,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 269 transitions, 1738 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-12-17 22:19:40,198 INFO L242 Difference]: Finished difference. Result has 188 places, 197 transitions, 1374 flow [2021-12-17 22:19:40,199 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1374, PETRI_PLACES=188, PETRI_TRANSITIONS=197} [2021-12-17 22:19:40,199 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 41 predicate places. [2021-12-17 22:19:40,199 INFO L470 AbstractCegarLoop]: Abstraction has has 188 places, 197 transitions, 1374 flow [2021-12-17 22:19:40,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.14285714285714) internal successors, (764), 7 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:40,200 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:19:40,200 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] [2021-12-17 22:19:40,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 22:19:40,200 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:19:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:19:40,201 INFO L85 PathProgramCache]: Analyzing trace with hash -818175175, now seen corresponding path program 2 times [2021-12-17 22:19:40,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:19:40,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322989283] [2021-12-17 22:19:40,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:19:40,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:19:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:19:40,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:19:40,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:19:40,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322989283] [2021-12-17 22:19:40,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322989283] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:19:40,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:19:40,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 22:19:40,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687867941] [2021-12-17 22:19:40,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:19:40,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 22:19:40,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:19:40,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 22:19:40,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 22:19:40,296 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2021-12-17 22:19:40,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 197 transitions, 1374 flow. Second operand has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:40,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:19:40,297 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2021-12-17 22:19:40,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:19:48,742 INFO L129 PetriNetUnfolder]: 33125/59648 cut-off events. [2021-12-17 22:19:48,742 INFO L130 PetriNetUnfolder]: For 214670/233879 co-relation queries the response was YES. [2021-12-17 22:19:49,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 203256 conditions, 59648 events. 33125/59648 cut-off events. For 214670/233879 co-relation queries the response was YES. Maximal size of possible extension queue 3818. Compared 610313 event pairs, 1276 based on Foata normal form. 1698/59310 useless extension candidates. Maximal degree in co-relation 203155. Up to 12489 conditions per place. [2021-12-17 22:19:49,426 INFO L132 encePairwiseOnDemand]: 129/140 looper letters, 133 selfloop transitions, 38 changer transitions 15/324 dead transitions. [2021-12-17 22:19:49,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 324 transitions, 2576 flow [2021-12-17 22:19:49,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 22:19:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-17 22:19:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1613 transitions. [2021-12-17 22:19:49,429 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8862637362637362 [2021-12-17 22:19:49,429 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1613 transitions. [2021-12-17 22:19:49,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1613 transitions. [2021-12-17 22:19:49,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:19:49,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1613 transitions. [2021-12-17 22:19:49,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 124.07692307692308) internal successors, (1613), 13 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:49,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:49,438 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 140.0) internal successors, (1960), 14 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:49,438 INFO L186 Difference]: Start difference. First operand has 188 places, 197 transitions, 1374 flow. Second operand 13 states and 1613 transitions. [2021-12-17 22:19:49,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 324 transitions, 2576 flow [2021-12-17 22:19:50,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 324 transitions, 2484 flow, removed 46 selfloop flow, removed 0 redundant places. [2021-12-17 22:19:50,358 INFO L242 Difference]: Finished difference. Result has 206 places, 202 transitions, 1393 flow [2021-12-17 22:19:50,358 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1282, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1393, PETRI_PLACES=206, PETRI_TRANSITIONS=202} [2021-12-17 22:19:50,359 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 59 predicate places. [2021-12-17 22:19:50,359 INFO L470 AbstractCegarLoop]: Abstraction has has 206 places, 202 transitions, 1393 flow [2021-12-17 22:19:50,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:50,359 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:19:50,359 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:19:50,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 22:19:50,360 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:19:50,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:19:50,360 INFO L85 PathProgramCache]: Analyzing trace with hash 511982907, now seen corresponding path program 1 times [2021-12-17 22:19:50,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:19:50,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647044643] [2021-12-17 22:19:50,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:19:50,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:19:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:19:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:19:50,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:19:50,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647044643] [2021-12-17 22:19:50,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647044643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:19:50,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:19:50,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 22:19:50,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471418126] [2021-12-17 22:19:50,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:19:50,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 22:19:50,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:19:50,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 22:19:50,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-17 22:19:50,468 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2021-12-17 22:19:50,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 202 transitions, 1393 flow. Second operand has 8 states, 8 states have (on average 115.125) internal successors, (921), 8 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:50,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:19:50,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2021-12-17 22:19:50,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:19:58,961 INFO L129 PetriNetUnfolder]: 31585/56475 cut-off events. [2021-12-17 22:19:58,961 INFO L130 PetriNetUnfolder]: For 282458/297783 co-relation queries the response was YES. [2021-12-17 22:19:59,626 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226043 conditions, 56475 events. 31585/56475 cut-off events. For 282458/297783 co-relation queries the response was YES. Maximal size of possible extension queue 3788. Compared 579395 event pairs, 1128 based on Foata normal form. 1364/55877 useless extension candidates. Maximal degree in co-relation 225933. Up to 11867 conditions per place. [2021-12-17 22:19:59,733 INFO L132 encePairwiseOnDemand]: 129/140 looper letters, 128 selfloop transitions, 58 changer transitions 49/359 dead transitions. [2021-12-17 22:19:59,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 359 transitions, 3067 flow [2021-12-17 22:19:59,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-17 22:19:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-17 22:19:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1988 transitions. [2021-12-17 22:19:59,737 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8875 [2021-12-17 22:19:59,737 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1988 transitions. [2021-12-17 22:19:59,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1988 transitions. [2021-12-17 22:19:59,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:19:59,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1988 transitions. [2021-12-17 22:19:59,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 124.25) internal successors, (1988), 16 states have internal predecessors, (1988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:59,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 140.0) internal successors, (2380), 17 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:59,745 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 140.0) internal successors, (2380), 17 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:19:59,745 INFO L186 Difference]: Start difference. First operand has 206 places, 202 transitions, 1393 flow. Second operand 16 states and 1988 transitions. [2021-12-17 22:19:59,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 359 transitions, 3067 flow [2021-12-17 22:20:12,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 359 transitions, 2936 flow, removed 52 selfloop flow, removed 5 redundant places. [2021-12-17 22:20:12,617 INFO L242 Difference]: Finished difference. Result has 220 places, 213 transitions, 1576 flow [2021-12-17 22:20:12,618 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1255, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1576, PETRI_PLACES=220, PETRI_TRANSITIONS=213} [2021-12-17 22:20:12,618 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 73 predicate places. [2021-12-17 22:20:12,618 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 213 transitions, 1576 flow [2021-12-17 22:20:12,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 115.125) internal successors, (921), 8 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:20:12,619 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-17 22:20:12,619 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 22:20:12,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 22:20:12,619 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-17 22:20:12,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 22:20:12,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1728212258, now seen corresponding path program 1 times [2021-12-17 22:20:12,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 22:20:12,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020692559] [2021-12-17 22:20:12,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 22:20:12,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 22:20:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 22:20:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 22:20:12,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 22:20:12,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020692559] [2021-12-17 22:20:12,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020692559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 22:20:12,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 22:20:12,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 22:20:12,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225112860] [2021-12-17 22:20:12,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 22:20:12,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 22:20:12,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 22:20:12,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 22:20:12,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 22:20:12,725 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2021-12-17 22:20:12,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 213 transitions, 1576 flow. Second operand has 9 states, 9 states have (on average 115.22222222222223) internal successors, (1037), 9 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) [2021-12-17 22:20:12,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-17 22:20:12,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2021-12-17 22:20:12,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-17 22:20:21,017 INFO L129 PetriNetUnfolder]: 31286/55455 cut-off events. [2021-12-17 22:20:21,018 INFO L130 PetriNetUnfolder]: For 287672/302554 co-relation queries the response was YES. [2021-12-17 22:20:21,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222019 conditions, 55455 events. 31286/55455 cut-off events. For 287672/302554 co-relation queries the response was YES. Maximal size of possible extension queue 3755. Compared 563733 event pairs, 1454 based on Foata normal form. 954/54365 useless extension candidates. Maximal degree in co-relation 221969. Up to 6857 conditions per place. [2021-12-17 22:20:21,813 INFO L132 encePairwiseOnDemand]: 129/140 looper letters, 111 selfloop transitions, 63 changer transitions 47/342 dead transitions. [2021-12-17 22:20:21,813 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 342 transitions, 2952 flow [2021-12-17 22:20:21,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-17 22:20:21,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-12-17 22:20:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2312 transitions. [2021-12-17 22:20:21,818 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.869172932330827 [2021-12-17 22:20:21,819 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2312 transitions. [2021-12-17 22:20:21,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2312 transitions. [2021-12-17 22:20:21,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-17 22:20:21,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2312 transitions. [2021-12-17 22:20:21,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 121.6842105263158) internal successors, (2312), 19 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:20:21,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 140.0) internal successors, (2800), 20 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:20:21,829 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 140.0) internal successors, (2800), 20 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 22:20:21,829 INFO L186 Difference]: Start difference. First operand has 220 places, 213 transitions, 1576 flow. Second operand 19 states and 2312 transitions. [2021-12-17 22:20:21,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 342 transitions, 2952 flow