./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix005_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/mix005_power.oepc_pso.oepc_rmo.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 2272010dc8e07b1cac46beb8b69d58bd905467d4d1bd6fb11b2eb1922da454c5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:46:04,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:46:04,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:46:04,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:46:04,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:46:04,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:46:04,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:46:04,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:46:04,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:46:04,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:46:04,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:46:04,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:46:04,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:46:04,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:46:04,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:46:04,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:46:04,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:46:04,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:46:04,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:46:04,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:46:04,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:46:04,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:46:04,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:46:04,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:46:04,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:46:04,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:46:04,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:46:04,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:46:04,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:46:04,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:46:04,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:46:04,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:46:04,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:46:04,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:46:04,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:46:04,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:46:04,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:46:04,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:46:04,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:46:04,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:46:04,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:46:04,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:46:04,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:46:04,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:46:04,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:46:04,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:46:04,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:46:04,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:46:04,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:46:04,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:46:04,497 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:46:04,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:46:04,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:46:04,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:46:04,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:46:04,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:46:04,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:46:04,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:46:04,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:46:04,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:46:04,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:46:04,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:46:04,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:46:04,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:46:04,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:46:04,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:46:04,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:46:04,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:46:04,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:46:04,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:46:04,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:46:04,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:46:04,502 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:46:04,502 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:46:04,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:46:04,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2272010dc8e07b1cac46beb8b69d58bd905467d4d1bd6fb11b2eb1922da454c5 [2021-12-28 02:46:04,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:46:04,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:46:04,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:46:04,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:46:04,834 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:46:04,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix005_power.oepc_pso.oepc_rmo.oepc.i [2021-12-28 02:46:04,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35d425f3/32f55cde2e204c839d19d455935998db/FLAG24a248b6a [2021-12-28 02:46:05,433 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:46:05,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix005_power.oepc_pso.oepc_rmo.oepc.i [2021-12-28 02:46:05,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35d425f3/32f55cde2e204c839d19d455935998db/FLAG24a248b6a [2021-12-28 02:46:05,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35d425f3/32f55cde2e204c839d19d455935998db [2021-12-28 02:46:05,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:46:05,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:46:05,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:46:05,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:46:05,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:46:05,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:46:05" (1/1) ... [2021-12-28 02:46:05,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c68cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:05, skipping insertion in model container [2021-12-28 02:46:05,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:46:05" (1/1) ... [2021-12-28 02:46:05,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:46:05,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:46:06,086 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/mix005_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-28 02:46:06,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:46:06,308 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 02:46:06,324 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/mix005_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-28 02:46:06,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:46:06,445 INFO L208 MainTranslator]: Completed translation [2021-12-28 02:46:06,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06 WrapperNode [2021-12-28 02:46:06,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:46:06,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 02:46:06,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 02:46:06,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 02:46:06,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,512 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2021-12-28 02:46:06,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 02:46:06,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 02:46:06,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 02:46:06,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 02:46:06,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 02:46:06,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 02:46:06,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 02:46:06,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 02:46:06,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (1/1) ... [2021-12-28 02:46:06,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:46:06,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 02:46:06,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 02:46:06,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 02:46:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 02:46:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-28 02:46:06,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 02:46:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 02:46:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 02:46:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-28 02:46:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-28 02:46:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-28 02:46:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-28 02:46:06,648 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-28 02:46:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-28 02:46:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-28 02:46:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-28 02:46:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 02:46:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-28 02:46:06,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 02:46:06,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 02:46:06,651 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-28 02:46:06,847 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 02:46:06,849 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 02:46:07,357 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 02:46:07,669 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 02:46:07,669 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 02:46:07,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:46:07 BoogieIcfgContainer [2021-12-28 02:46:07,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 02:46:07,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 02:46:07,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 02:46:07,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 02:46:07,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:46:05" (1/3) ... [2021-12-28 02:46:07,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbe4513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:46:07, skipping insertion in model container [2021-12-28 02:46:07,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:06" (2/3) ... [2021-12-28 02:46:07,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbe4513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:46:07, skipping insertion in model container [2021-12-28 02:46:07,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:46:07" (3/3) ... [2021-12-28 02:46:07,679 INFO L111 eAbstractionObserver]: Analyzing ICFG mix005_power.oepc_pso.oepc_rmo.oepc.i [2021-12-28 02:46:07,683 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-28 02:46:07,684 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 02:46:07,684 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 02:46:07,684 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-28 02:46:07,725 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,726 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,726 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,726 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,726 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,727 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,727 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,727 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,727 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,727 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,728 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,729 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,730 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,730 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,730 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,730 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,731 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,731 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,731 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,731 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,731 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,731 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,732 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,732 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,732 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,733 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,733 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,733 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,733 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,733 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,734 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,734 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,734 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,735 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,736 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,737 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,738 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,738 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,739 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,739 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,739 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,739 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,739 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,740 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,741 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,742 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,742 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,742 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,742 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,759 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,760 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,761 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,761 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,761 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,761 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,761 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,762 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,762 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,762 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,762 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,762 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,762 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,763 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,763 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,763 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,763 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,763 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,763 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,764 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,764 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,764 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,764 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,764 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,764 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,764 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,765 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,765 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,765 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,765 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,765 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,765 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,766 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,766 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,766 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,766 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,766 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,766 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,766 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,766 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,767 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,767 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,767 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,767 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,767 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,767 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,767 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,768 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,768 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,768 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,768 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,770 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,770 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,770 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,771 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,771 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,771 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,771 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,771 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,771 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,771 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,772 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,772 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,772 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,772 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,772 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,772 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,772 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,773 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,773 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,773 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,773 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,773 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,773 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,773 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,774 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,774 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,774 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,774 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,774 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,774 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,774 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,775 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,775 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,775 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,775 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,775 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,775 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,775 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,778 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,778 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,778 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,778 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,778 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,779 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,779 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,779 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,779 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,780 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,780 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,780 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,780 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,780 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,781 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,781 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,781 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,781 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,784 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,785 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,785 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,785 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,785 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,785 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,785 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,786 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,786 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,786 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,786 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,786 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,786 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,786 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,787 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,787 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,787 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,787 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,787 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,787 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,788 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,788 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,788 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,788 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,788 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,788 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,789 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,789 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,789 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,789 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,789 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,789 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,790 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,790 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,791 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,791 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,791 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,791 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,791 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,791 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,792 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,792 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,792 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,792 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,792 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,793 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,793 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,793 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,793 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,793 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,793 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,793 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,794 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,794 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,794 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,794 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,795 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,796 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,796 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,796 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:46:07,796 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-28 02:46:07,835 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:46:07,842 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 02:46:07,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-28 02:46:07,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 140 transitions, 300 flow [2021-12-28 02:46:07,892 INFO L129 PetriNetUnfolder]: 2/136 cut-off events. [2021-12-28 02:46:07,893 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:46:07,898 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 77 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. [2021-12-28 02:46:07,898 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 140 transitions, 300 flow [2021-12-28 02:46:07,908 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 136 transitions, 284 flow [2021-12-28 02:46:07,916 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-12-28 02:46:07,917 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:46:07,917 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:07,917 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] [2021-12-28 02:46:07,918 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:07,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:07,925 INFO L85 PathProgramCache]: Analyzing trace with hash -183657469, now seen corresponding path program 1 times [2021-12-28 02:46:07,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:07,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655250957] [2021-12-28 02:46:07,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:07,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:08,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:08,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655250957] [2021-12-28 02:46:08,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655250957] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:08,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:08,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 02:46:08,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345281024] [2021-12-28 02:46:08,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:08,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 02:46:08,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:08,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 02:46:08,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 02:46:08,242 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 140 [2021-12-28 02:46:08,247 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) [2021-12-28 02:46:08,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:08,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 140 [2021-12-28 02:46:08,249 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:08,552 INFO L129 PetriNetUnfolder]: 162/624 cut-off events. [2021-12-28 02:46:08,552 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-12-28 02:46:08,559 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 3428 event pairs, 132 based on Foata normal form. 46/629 useless extension candidates. Maximal degree in co-relation 871. Up to 191 conditions per place. [2021-12-28 02:46:08,565 INFO L132 encePairwiseOnDemand]: 135/140 looper letters, 18 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2021-12-28 02:46:08,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 140 transitions, 341 flow [2021-12-28 02:46:08,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 02:46:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-28 02:46:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions. [2021-12-28 02:46:08,586 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9452380952380952 [2021-12-28 02:46:08,586 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 397 transitions. [2021-12-28 02:46:08,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 397 transitions. [2021-12-28 02:46:08,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:08,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 397 transitions. [2021-12-28 02:46:08,597 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) [2021-12-28 02:46:08,608 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) [2021-12-28 02:46:08,608 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) [2021-12-28 02:46:08,610 INFO L186 Difference]: Start difference. First operand has 147 places, 136 transitions, 284 flow. Second operand 3 states and 397 transitions. [2021-12-28 02:46:08,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 140 transitions, 341 flow [2021-12-28 02:46:08,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 140 transitions, 334 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-28 02:46:08,620 INFO L242 Difference]: Finished difference. Result has 143 places, 132 transitions, 276 flow [2021-12-28 02:46:08,622 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} [2021-12-28 02:46:08,628 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, -4 predicate places. [2021-12-28 02:46:08,628 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 132 transitions, 276 flow [2021-12-28 02:46:08,629 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) [2021-12-28 02:46:08,629 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:08,629 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:46:08,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 02:46:08,630 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:08,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:08,631 INFO L85 PathProgramCache]: Analyzing trace with hash -342842823, now seen corresponding path program 1 times [2021-12-28 02:46:08,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:08,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797897658] [2021-12-28 02:46:08,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:08,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:08,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:08,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797897658] [2021-12-28 02:46:08,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797897658] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:08,887 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:08,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 02:46:08,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822190896] [2021-12-28 02:46:08,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:08,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 02:46:08,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:08,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 02:46:08,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 02:46:08,907 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2021-12-28 02:46:08,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 132 transitions, 276 flow. Second operand has 6 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:08,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:08,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2021-12-28 02:46:08,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:13,948 INFO L129 PetriNetUnfolder]: 13857/30460 cut-off events. [2021-12-28 02:46:13,949 INFO L130 PetriNetUnfolder]: For 847/847 co-relation queries the response was YES. [2021-12-28 02:46:14,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50479 conditions, 30460 events. 13857/30460 cut-off events. For 847/847 co-relation queries the response was YES. Maximal size of possible extension queue 1243. Compared 321078 event pairs, 3906 based on Foata normal form. 0/29919 useless extension candidates. Maximal degree in co-relation 50416. Up to 9047 conditions per place. [2021-12-28 02:46:14,188 INFO L132 encePairwiseOnDemand]: 124/140 looper letters, 36 selfloop transitions, 12 changer transitions 96/233 dead transitions. [2021-12-28 02:46:14,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 233 transitions, 758 flow [2021-12-28 02:46:14,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:46:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:46:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1087 transitions. [2021-12-28 02:46:14,192 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8626984126984127 [2021-12-28 02:46:14,192 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1087 transitions. [2021-12-28 02:46:14,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1087 transitions. [2021-12-28 02:46:14,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:14,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1087 transitions. [2021-12-28 02:46:14,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 120.77777777777777) internal successors, (1087), 9 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:14,200 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) [2021-12-28 02:46:14,201 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) [2021-12-28 02:46:14,202 INFO L186 Difference]: Start difference. First operand has 143 places, 132 transitions, 276 flow. Second operand 9 states and 1087 transitions. [2021-12-28 02:46:14,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 233 transitions, 758 flow [2021-12-28 02:46:14,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 233 transitions, 740 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-28 02:46:14,210 INFO L242 Difference]: Finished difference. Result has 157 places, 125 transitions, 376 flow [2021-12-28 02:46:14,211 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=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=376, PETRI_PLACES=157, PETRI_TRANSITIONS=125} [2021-12-28 02:46:14,212 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 10 predicate places. [2021-12-28 02:46:14,212 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 125 transitions, 376 flow [2021-12-28 02:46:14,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:14,213 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:14,213 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] [2021-12-28 02:46:14,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 02:46:14,214 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:14,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:14,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1044416440, now seen corresponding path program 1 times [2021-12-28 02:46:14,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:14,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093355968] [2021-12-28 02:46:14,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:14,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:14,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:14,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093355968] [2021-12-28 02:46:14,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093355968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:14,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:14,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:46:14,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968865000] [2021-12-28 02:46:14,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:14,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:46:14,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:14,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:46:14,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:46:14,477 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2021-12-28 02:46:14,478 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 125 transitions, 376 flow. Second operand has 7 states, 7 states have (on average 108.57142857142857) internal successors, (760), 7 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:14,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:14,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2021-12-28 02:46:14,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:17,441 INFO L129 PetriNetUnfolder]: 9918/17016 cut-off events. [2021-12-28 02:46:17,442 INFO L130 PetriNetUnfolder]: For 29818/30088 co-relation queries the response was YES. [2021-12-28 02:46:17,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53027 conditions, 17016 events. 9918/17016 cut-off events. For 29818/30088 co-relation queries the response was YES. Maximal size of possible extension queue 811. Compared 131978 event pairs, 1814 based on Foata normal form. 368/17003 useless extension candidates. Maximal degree in co-relation 52948. Up to 6004 conditions per place. [2021-12-28 02:46:17,559 INFO L132 encePairwiseOnDemand]: 128/140 looper letters, 52 selfloop transitions, 9 changer transitions 115/265 dead transitions. [2021-12-28 02:46:17,559 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 265 transitions, 1486 flow [2021-12-28 02:46:17,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:46:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:46:17,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1536 transitions. [2021-12-28 02:46:17,564 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.843956043956044 [2021-12-28 02:46:17,564 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1536 transitions. [2021-12-28 02:46:17,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1536 transitions. [2021-12-28 02:46:17,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:17,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1536 transitions. [2021-12-28 02:46:17,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.15384615384616) internal successors, (1536), 13 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:17,571 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) [2021-12-28 02:46:17,573 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) [2021-12-28 02:46:17,573 INFO L186 Difference]: Start difference. First operand has 157 places, 125 transitions, 376 flow. Second operand 13 states and 1536 transitions. [2021-12-28 02:46:17,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 265 transitions, 1486 flow [2021-12-28 02:46:17,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 265 transitions, 1356 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-12-28 02:46:17,664 INFO L242 Difference]: Finished difference. Result has 159 places, 130 transitions, 462 flow [2021-12-28 02:46:17,665 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=462, PETRI_PLACES=159, PETRI_TRANSITIONS=130} [2021-12-28 02:46:17,667 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 12 predicate places. [2021-12-28 02:46:17,667 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 130 transitions, 462 flow [2021-12-28 02:46:17,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.57142857142857) internal successors, (760), 7 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:17,668 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:17,668 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] [2021-12-28 02:46:17,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 02:46:17,669 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:17,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:17,669 INFO L85 PathProgramCache]: Analyzing trace with hash -418810970, now seen corresponding path program 1 times [2021-12-28 02:46:17,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:17,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343220628] [2021-12-28 02:46:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:17,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:17,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:17,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343220628] [2021-12-28 02:46:17,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343220628] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:17,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:17,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:46:17,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869096466] [2021-12-28 02:46:17,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:17,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:46:17,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:17,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:46:17,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:46:17,801 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2021-12-28 02:46:17,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 130 transitions, 462 flow. Second operand has 7 states, 7 states have (on average 108.57142857142857) internal successors, (760), 7 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:17,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:17,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2021-12-28 02:46:17,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:19,993 INFO L129 PetriNetUnfolder]: 8004/13716 cut-off events. [2021-12-28 02:46:19,993 INFO L130 PetriNetUnfolder]: For 36133/36150 co-relation queries the response was YES. [2021-12-28 02:46:20,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47247 conditions, 13716 events. 8004/13716 cut-off events. For 36133/36150 co-relation queries the response was YES. Maximal size of possible extension queue 606. Compared 102170 event pairs, 908 based on Foata normal form. 288/13840 useless extension candidates. Maximal degree in co-relation 47160. Up to 4663 conditions per place. [2021-12-28 02:46:20,101 INFO L132 encePairwiseOnDemand]: 126/140 looper letters, 51 selfloop transitions, 16 changer transitions 103/259 dead transitions. [2021-12-28 02:46:20,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 259 transitions, 1604 flow [2021-12-28 02:46:20,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:46:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:46:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1525 transitions. [2021-12-28 02:46:20,112 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8379120879120879 [2021-12-28 02:46:20,113 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1525 transitions. [2021-12-28 02:46:20,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1525 transitions. [2021-12-28 02:46:20,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:20,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1525 transitions. [2021-12-28 02:46:20,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.3076923076923) internal successors, (1525), 13 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:20,281 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) [2021-12-28 02:46:20,283 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) [2021-12-28 02:46:20,283 INFO L186 Difference]: Start difference. First operand has 159 places, 130 transitions, 462 flow. Second operand 13 states and 1525 transitions. [2021-12-28 02:46:20,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 259 transitions, 1604 flow [2021-12-28 02:46:20,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 259 transitions, 1521 flow, removed 39 selfloop flow, removed 7 redundant places. [2021-12-28 02:46:20,416 INFO L242 Difference]: Finished difference. Result has 167 places, 138 transitions, 634 flow [2021-12-28 02:46:20,417 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=634, PETRI_PLACES=167, PETRI_TRANSITIONS=138} [2021-12-28 02:46:20,418 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 20 predicate places. [2021-12-28 02:46:20,418 INFO L470 AbstractCegarLoop]: Abstraction has has 167 places, 138 transitions, 634 flow [2021-12-28 02:46:20,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.57142857142857) internal successors, (760), 7 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:20,418 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:20,419 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] [2021-12-28 02:46:20,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 02:46:20,419 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:20,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:20,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2038817293, now seen corresponding path program 1 times [2021-12-28 02:46:20,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:20,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671451966] [2021-12-28 02:46:20,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:20,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:20,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:20,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671451966] [2021-12-28 02:46:20,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671451966] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:20,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:20,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:46:20,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919173267] [2021-12-28 02:46:20,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:20,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:46:20,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:20,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:46:20,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:46:20,591 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2021-12-28 02:46:20,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 138 transitions, 634 flow. Second operand has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:20,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:20,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2021-12-28 02:46:20,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:22,649 INFO L129 PetriNetUnfolder]: 6595/11743 cut-off events. [2021-12-28 02:46:22,649 INFO L130 PetriNetUnfolder]: For 39261/39465 co-relation queries the response was YES. [2021-12-28 02:46:22,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42348 conditions, 11743 events. 6595/11743 cut-off events. For 39261/39465 co-relation queries the response was YES. Maximal size of possible extension queue 525. Compared 88269 event pairs, 2071 based on Foata normal form. 218/11584 useless extension candidates. Maximal degree in co-relation 42250. Up to 4613 conditions per place. [2021-12-28 02:46:22,741 INFO L132 encePairwiseOnDemand]: 124/140 looper letters, 47 selfloop transitions, 31 changer transitions 85/252 dead transitions. [2021-12-28 02:46:22,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 252 transitions, 1742 flow [2021-12-28 02:46:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:46:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:46:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1525 transitions. [2021-12-28 02:46:22,746 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8379120879120879 [2021-12-28 02:46:22,746 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1525 transitions. [2021-12-28 02:46:22,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1525 transitions. [2021-12-28 02:46:22,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:22,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1525 transitions. [2021-12-28 02:46:22,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.3076923076923) internal successors, (1525), 13 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:22,753 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) [2021-12-28 02:46:22,754 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) [2021-12-28 02:46:22,754 INFO L186 Difference]: Start difference. First operand has 167 places, 138 transitions, 634 flow. Second operand 13 states and 1525 transitions. [2021-12-28 02:46:22,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 252 transitions, 1742 flow [2021-12-28 02:46:22,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 252 transitions, 1598 flow, removed 69 selfloop flow, removed 10 redundant places. [2021-12-28 02:46:22,967 INFO L242 Difference]: Finished difference. Result has 171 places, 145 transitions, 767 flow [2021-12-28 02:46:22,967 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=767, PETRI_PLACES=171, PETRI_TRANSITIONS=145} [2021-12-28 02:46:22,968 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 24 predicate places. [2021-12-28 02:46:22,968 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 145 transitions, 767 flow [2021-12-28 02:46:22,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.71428571428571) internal successors, (761), 7 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:22,969 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:22,969 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] [2021-12-28 02:46:22,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 02:46:22,970 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:22,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:22,970 INFO L85 PathProgramCache]: Analyzing trace with hash -306899598, now seen corresponding path program 1 times [2021-12-28 02:46:22,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:22,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213992919] [2021-12-28 02:46:22,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:22,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:23,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:23,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:23,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213992919] [2021-12-28 02:46:23,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213992919] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:23,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:23,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 02:46:23,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140741397] [2021-12-28 02:46:23,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:23,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 02:46:23,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:23,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 02:46:23,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 02:46:23,144 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2021-12-28 02:46:23,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 145 transitions, 767 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) [2021-12-28 02:46:23,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:23,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2021-12-28 02:46:23,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:27,386 INFO L129 PetriNetUnfolder]: 17875/32040 cut-off events. [2021-12-28 02:46:27,386 INFO L130 PetriNetUnfolder]: For 44913/53916 co-relation queries the response was YES. [2021-12-28 02:46:27,851 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79283 conditions, 32040 events. 17875/32040 cut-off events. For 44913/53916 co-relation queries the response was YES. Maximal size of possible extension queue 1848. Compared 294041 event pairs, 1333 based on Foata normal form. 236/30647 useless extension candidates. Maximal degree in co-relation 79181. Up to 9517 conditions per place. [2021-12-28 02:46:27,938 INFO L132 encePairwiseOnDemand]: 129/140 looper letters, 101 selfloop transitions, 20 changer transitions 0/241 dead transitions. [2021-12-28 02:46:27,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 241 transitions, 1431 flow [2021-12-28 02:46:27,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:46:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:46:27,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1237 transitions. [2021-12-28 02:46:27,942 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8835714285714286 [2021-12-28 02:46:27,942 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1237 transitions. [2021-12-28 02:46:27,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1237 transitions. [2021-12-28 02:46:27,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:27,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1237 transitions. [2021-12-28 02:46:27,945 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) [2021-12-28 02:46:27,948 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) [2021-12-28 02:46:27,949 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) [2021-12-28 02:46:27,949 INFO L186 Difference]: Start difference. First operand has 171 places, 145 transitions, 767 flow. Second operand 10 states and 1237 transitions. [2021-12-28 02:46:27,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 241 transitions, 1431 flow [2021-12-28 02:46:28,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 241 transitions, 1377 flow, removed 27 selfloop flow, removed 15 redundant places. [2021-12-28 02:46:28,043 INFO L242 Difference]: Finished difference. Result has 162 places, 163 transitions, 856 flow [2021-12-28 02:46:28,043 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=856, PETRI_PLACES=162, PETRI_TRANSITIONS=163} [2021-12-28 02:46:28,044 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 15 predicate places. [2021-12-28 02:46:28,044 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 163 transitions, 856 flow [2021-12-28 02:46:28,044 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) [2021-12-28 02:46:28,044 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:28,045 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] [2021-12-28 02:46:28,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 02:46:28,045 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:28,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1681097272, now seen corresponding path program 1 times [2021-12-28 02:46:28,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:28,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252597847] [2021-12-28 02:46:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:28,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:28,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:28,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:28,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252597847] [2021-12-28 02:46:28,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252597847] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:28,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:28,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:46:28,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689351980] [2021-12-28 02:46:28,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:28,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:46:28,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:28,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:46:28,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:46:28,176 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2021-12-28 02:46:28,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 163 transitions, 856 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) [2021-12-28 02:46:28,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:28,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2021-12-28 02:46:28,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:30,667 INFO L129 PetriNetUnfolder]: 7449/18094 cut-off events. [2021-12-28 02:46:30,667 INFO L130 PetriNetUnfolder]: For 36280/38971 co-relation queries the response was YES. [2021-12-28 02:46:30,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55663 conditions, 18094 events. 7449/18094 cut-off events. For 36280/38971 co-relation queries the response was YES. Maximal size of possible extension queue 1192. Compared 196804 event pairs, 2613 based on Foata normal form. 381/17366 useless extension candidates. Maximal degree in co-relation 55562. Up to 3640 conditions per place. [2021-12-28 02:46:30,856 INFO L132 encePairwiseOnDemand]: 127/140 looper letters, 99 selfloop transitions, 29 changer transitions 0/235 dead transitions. [2021-12-28 02:46:30,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 235 transitions, 1508 flow [2021-12-28 02:46:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:46:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:46:30,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1168 transitions. [2021-12-28 02:46:30,860 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8342857142857143 [2021-12-28 02:46:30,861 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1168 transitions. [2021-12-28 02:46:30,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1168 transitions. [2021-12-28 02:46:30,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:30,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1168 transitions. [2021-12-28 02:46:30,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 116.8) internal successors, (1168), 10 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:30,866 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) [2021-12-28 02:46:30,867 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) [2021-12-28 02:46:30,867 INFO L186 Difference]: Start difference. First operand has 162 places, 163 transitions, 856 flow. Second operand 10 states and 1168 transitions. [2021-12-28 02:46:30,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 235 transitions, 1508 flow [2021-12-28 02:46:31,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 235 transitions, 1506 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-28 02:46:31,007 INFO L242 Difference]: Finished difference. Result has 177 places, 171 transitions, 1017 flow [2021-12-28 02:46:31,007 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1017, PETRI_PLACES=177, PETRI_TRANSITIONS=171} [2021-12-28 02:46:31,008 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 30 predicate places. [2021-12-28 02:46:31,008 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 171 transitions, 1017 flow [2021-12-28 02:46:31,008 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) [2021-12-28 02:46:31,008 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:31,008 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] [2021-12-28 02:46:31,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 02:46:31,009 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:31,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:31,009 INFO L85 PathProgramCache]: Analyzing trace with hash 175113066, now seen corresponding path program 1 times [2021-12-28 02:46:31,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:31,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007579737] [2021-12-28 02:46:31,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:31,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:31,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:31,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007579737] [2021-12-28 02:46:31,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007579737] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:31,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:31,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:46:31,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109830231] [2021-12-28 02:46:31,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:31,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:46:31,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:31,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:46:31,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:46:31,128 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2021-12-28 02:46:31,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 171 transitions, 1017 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) [2021-12-28 02:46:31,129 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:31,129 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2021-12-28 02:46:31,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:36,799 INFO L129 PetriNetUnfolder]: 22661/42067 cut-off events. [2021-12-28 02:46:36,800 INFO L130 PetriNetUnfolder]: For 84590/94352 co-relation queries the response was YES. [2021-12-28 02:46:37,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132733 conditions, 42067 events. 22661/42067 cut-off events. For 84590/94352 co-relation queries the response was YES. Maximal size of possible extension queue 2611. Compared 422999 event pairs, 1330 based on Foata normal form. 936/41543 useless extension candidates. Maximal degree in co-relation 132625. Up to 8403 conditions per place. [2021-12-28 02:46:37,298 INFO L132 encePairwiseOnDemand]: 129/140 looper letters, 127 selfloop transitions, 38 changer transitions 5/298 dead transitions. [2021-12-28 02:46:37,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 298 transitions, 2137 flow [2021-12-28 02:46:37,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:46:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:46:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1613 transitions. [2021-12-28 02:46:37,303 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8862637362637362 [2021-12-28 02:46:37,303 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1613 transitions. [2021-12-28 02:46:37,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1613 transitions. [2021-12-28 02:46:37,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:37,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1613 transitions. [2021-12-28 02:46:37,307 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) [2021-12-28 02:46:37,310 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) [2021-12-28 02:46:37,311 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) [2021-12-28 02:46:37,311 INFO L186 Difference]: Start difference. First operand has 177 places, 171 transitions, 1017 flow. Second operand 13 states and 1613 transitions. [2021-12-28 02:46:37,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 298 transitions, 2137 flow [2021-12-28 02:46:38,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 298 transitions, 2070 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-12-28 02:46:38,023 INFO L242 Difference]: Finished difference. Result has 194 places, 191 transitions, 1263 flow [2021-12-28 02:46:38,023 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=970, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1263, PETRI_PLACES=194, PETRI_TRANSITIONS=191} [2021-12-28 02:46:38,024 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 47 predicate places. [2021-12-28 02:46:38,024 INFO L470 AbstractCegarLoop]: Abstraction has has 194 places, 191 transitions, 1263 flow [2021-12-28 02:46:38,025 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) [2021-12-28 02:46:38,025 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:38,025 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] [2021-12-28 02:46:38,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 02:46:38,025 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:38,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:38,026 INFO L85 PathProgramCache]: Analyzing trace with hash -2021702876, now seen corresponding path program 1 times [2021-12-28 02:46:38,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:38,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798434819] [2021-12-28 02:46:38,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:38,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:38,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:38,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798434819] [2021-12-28 02:46:38,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798434819] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:38,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:38,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:46:38,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377675913] [2021-12-28 02:46:38,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:38,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:46:38,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:38,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:46:38,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:46:38,183 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 140 [2021-12-28 02:46:38,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 191 transitions, 1263 flow. Second operand has 7 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:38,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:38,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 140 [2021-12-28 02:46:38,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:41,689 INFO L129 PetriNetUnfolder]: 7944/23549 cut-off events. [2021-12-28 02:46:41,689 INFO L130 PetriNetUnfolder]: For 88817/105937 co-relation queries the response was YES. [2021-12-28 02:46:42,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85744 conditions, 23549 events. 7944/23549 cut-off events. For 88817/105937 co-relation queries the response was YES. Maximal size of possible extension queue 2340. Compared 307689 event pairs, 594 based on Foata normal form. 443/22517 useless extension candidates. Maximal degree in co-relation 85624. Up to 4986 conditions per place. [2021-12-28 02:46:42,184 INFO L132 encePairwiseOnDemand]: 123/140 looper letters, 109 selfloop transitions, 75 changer transitions 12/321 dead transitions. [2021-12-28 02:46:42,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 321 transitions, 2687 flow [2021-12-28 02:46:42,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 02:46:42,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-12-28 02:46:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1278 transitions. [2021-12-28 02:46:42,188 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8298701298701299 [2021-12-28 02:46:42,188 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1278 transitions. [2021-12-28 02:46:42,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1278 transitions. [2021-12-28 02:46:42,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:42,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1278 transitions. [2021-12-28 02:46:42,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 116.18181818181819) internal successors, (1278), 11 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:42,194 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) [2021-12-28 02:46:42,194 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) [2021-12-28 02:46:42,194 INFO L186 Difference]: Start difference. First operand has 194 places, 191 transitions, 1263 flow. Second operand 11 states and 1278 transitions. [2021-12-28 02:46:42,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 321 transitions, 2687 flow [2021-12-28 02:46:44,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 321 transitions, 2592 flow, removed 38 selfloop flow, removed 4 redundant places. [2021-12-28 02:46:44,572 INFO L242 Difference]: Finished difference. Result has 209 places, 240 transitions, 2100 flow [2021-12-28 02:46:44,572 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2100, PETRI_PLACES=209, PETRI_TRANSITIONS=240} [2021-12-28 02:46:44,573 INFO L334 CegarLoopForPetriNet]: 147 programPoint places, 62 predicate places. [2021-12-28 02:46:44,573 INFO L470 AbstractCegarLoop]: Abstraction has has 209 places, 240 transitions, 2100 flow [2021-12-28 02:46:44,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.71428571428571) internal successors, (754), 7 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:44,574 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:46:44,574 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:46:44,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 02:46:44,575 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-12-28 02:46:44,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:46:44,575 INFO L85 PathProgramCache]: Analyzing trace with hash -282684464, now seen corresponding path program 2 times [2021-12-28 02:46:44,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:46:44,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696510350] [2021-12-28 02:46:44,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:46:44,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:46:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:46:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 02:46:44,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:46:44,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696510350] [2021-12-28 02:46:44,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696510350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:46:44,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:46:44,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 02:46:44,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500938552] [2021-12-28 02:46:44,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:46:44,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 02:46:44,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:46:44,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 02:46:44,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-28 02:46:44,707 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 140 [2021-12-28 02:46:44,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 240 transitions, 2100 flow. Second operand has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 02:46:44,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:46:44,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 140 [2021-12-28 02:46:44,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:46:54,782 INFO L129 PetriNetUnfolder]: 32877/59833 cut-off events. [2021-12-28 02:46:54,782 INFO L130 PetriNetUnfolder]: For 244937/269055 co-relation queries the response was YES. [2021-12-28 02:46:55,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219926 conditions, 59833 events. 32877/59833 cut-off events. For 244937/269055 co-relation queries the response was YES. Maximal size of possible extension queue 4044. Compared 625251 event pairs, 1627 based on Foata normal form. 1463/59163 useless extension candidates. Maximal degree in co-relation 219797. Up to 7464 conditions per place. [2021-12-28 02:46:55,684 INFO L132 encePairwiseOnDemand]: 129/140 looper letters, 131 selfloop transitions, 58 changer transitions 70/400 dead transitions. [2021-12-28 02:46:55,684 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 400 transitions, 3879 flow [2021-12-28 02:46:55,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-28 02:46:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-12-28 02:46:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1988 transitions. [2021-12-28 02:46:55,688 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8875 [2021-12-28 02:46:55,688 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1988 transitions. [2021-12-28 02:46:55,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1988 transitions. [2021-12-28 02:46:55,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:46:55,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1988 transitions. [2021-12-28 02:46:55,693 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) [2021-12-28 02:46:55,696 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) [2021-12-28 02:46:55,697 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) [2021-12-28 02:46:55,697 INFO L186 Difference]: Start difference. First operand has 209 places, 240 transitions, 2100 flow. Second operand 16 states and 1988 transitions. [2021-12-28 02:46:55,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 400 transitions, 3879 flow