./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix040_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/mix040_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 a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:48:48,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:48:48,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:48:48,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:48:48,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:48:48,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:48:48,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:48:48,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:48:48,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:48:48,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:48:48,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:48:48,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:48:48,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:48:48,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:48:48,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:48:48,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:48:48,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:48:48,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:48:48,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:48:48,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:48:48,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:48:48,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:48:48,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:48:48,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:48:48,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:48:48,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:48:48,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:48:48,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:48:48,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:48:48,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:48:48,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:48:48,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:48:48,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:48:48,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:48:48,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:48:48,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:48:48,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:48:48,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:48:48,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:48:48,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:48:48,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:48:48,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:48:48,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:48:48,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:48:48,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:48:48,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:48:48,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:48:48,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:48:48,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:48:48,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:48:48,445 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:48:48,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:48:48,446 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:48:48,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:48:48,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:48:48,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:48:48,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:48:48,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:48:48,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:48:48,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:48:48,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:48:48,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:48:48,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:48:48,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:48:48,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:48:48,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:48:48,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:48:48,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:48:48,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:48:48,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:48:48,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:48:48,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:48:48,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:48:48,449 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:48:48,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:48:48,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a72b3b3683b5d2b2d35965fc1a3189152678e29fe154c9fbeb2d06d1447980e3 [2021-12-28 02:48:48,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:48:48,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:48:48,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:48:48,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:48:48,735 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:48:48,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2021-12-28 02:48:48,779 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5fcb848/20d0ad926a5f4f569e2f79ccf31ecfa3/FLAG6abcadfbd [2021-12-28 02:48:49,359 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:48:49,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix040_power.oepc_pso.oepc_rmo.oepc.i [2021-12-28 02:48:49,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5fcb848/20d0ad926a5f4f569e2f79ccf31ecfa3/FLAG6abcadfbd [2021-12-28 02:48:49,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5fcb848/20d0ad926a5f4f569e2f79ccf31ecfa3 [2021-12-28 02:48:49,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:48:49,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:48:49,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:48:49,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:48:49,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:48:49,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:48:49" (1/1) ... [2021-12-28 02:48:49,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603d0b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:49, skipping insertion in model container [2021-12-28 02:48:49,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:48:49" (1/1) ... [2021-12-28 02:48:49,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:48:49,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:48:49,855 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/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-28 02:48:50,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:48:50,054 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 02:48:50,068 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/mix040_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-12-28 02:48:50,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 02:48:50,141 INFO L208 MainTranslator]: Completed translation [2021-12-28 02:48:50,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50 WrapperNode [2021-12-28 02:48:50,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:48:50,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 02:48:50,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 02:48:50,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 02:48:50,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,191 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 193 [2021-12-28 02:48:50,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 02:48:50,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 02:48:50,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 02:48:50,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 02:48:50,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 02:48:50,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 02:48:50,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 02:48:50,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 02:48:50,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (1/1) ... [2021-12-28 02:48:50,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:48:50,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 02:48:50,252 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 02:48:50,259 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 02:48:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 02:48:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-28 02:48:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 02:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 02:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 02:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-28 02:48:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-28 02:48:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-28 02:48:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-28 02:48:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-28 02:48:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-28 02:48:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-12-28 02:48:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-12-28 02:48:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 02:48:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-28 02:48:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 02:48:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 02:48:50,315 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 02:48:50,503 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 02:48:50,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 02:48:51,012 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 02:48:51,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 02:48:51,300 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 02:48:51,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:48:51 BoogieIcfgContainer [2021-12-28 02:48:51,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 02:48:51,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 02:48:51,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 02:48:51,305 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 02:48:51,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:48:49" (1/3) ... [2021-12-28 02:48:51,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13096323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:48:51, skipping insertion in model container [2021-12-28 02:48:51,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:48:50" (2/3) ... [2021-12-28 02:48:51,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13096323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:48:51, skipping insertion in model container [2021-12-28 02:48:51,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:48:51" (3/3) ... [2021-12-28 02:48:51,307 INFO L111 eAbstractionObserver]: Analyzing ICFG mix040_power.oepc_pso.oepc_rmo.oepc.i [2021-12-28 02:48:51,311 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-28 02:48:51,311 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 02:48:51,311 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-28 02:48:51,311 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-28 02:48:51,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,344 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,345 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,346 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,347 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,348 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,348 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,348 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,348 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,348 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,349 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,349 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,349 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,349 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,349 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,350 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,350 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,350 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,350 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,350 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,351 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,351 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,351 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,351 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,351 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,352 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,353 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,354 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,355 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,355 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,355 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,355 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,356 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,356 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,357 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,357 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,357 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,357 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,358 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,358 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,358 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,358 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,359 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,359 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,359 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,359 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,359 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,359 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,360 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,360 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,360 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,360 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,360 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,360 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,360 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,361 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,361 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,361 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,361 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,361 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,361 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,361 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,361 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,362 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,363 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,364 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,364 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,364 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,364 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,364 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,364 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,364 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,364 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,365 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,365 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,365 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,365 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,367 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,368 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,368 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,368 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,368 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,368 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,368 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,368 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,368 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,369 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,370 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,370 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,370 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,370 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,370 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,370 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,370 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,370 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,371 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,371 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,371 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,371 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,371 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,373 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,373 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,373 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,373 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,374 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,374 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,374 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,388 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,389 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,389 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,389 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,389 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,389 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,389 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,390 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,390 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,390 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,390 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,393 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,393 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,393 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,393 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,394 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,394 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,395 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,396 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,396 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,396 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,396 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,396 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,396 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,396 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,397 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,397 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,397 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,397 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,397 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,397 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,398 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,398 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,399 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,399 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,399 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,399 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,399 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,399 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,399 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,400 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,400 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,400 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,400 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,400 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,400 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,401 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,401 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,401 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,401 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,401 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,401 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,402 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,403 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,403 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,403 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-28 02:48:51,403 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-28 02:48:51,434 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 02:48:51,439 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 02:48:51,439 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-28 02:48:51,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 139 transitions, 298 flow [2021-12-28 02:48:51,477 INFO L129 PetriNetUnfolder]: 2/135 cut-off events. [2021-12-28 02:48:51,478 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:48:51,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 135 events. 2/135 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 72 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2021-12-28 02:48:51,481 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 139 transitions, 298 flow [2021-12-28 02:48:51,484 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 135 transitions, 282 flow [2021-12-28 02:48:51,490 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-12-28 02:48:51,490 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-28 02:48:51,490 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:48:51,491 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] [2021-12-28 02:48:51,491 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 02:48:51,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:48:51,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1951185825, now seen corresponding path program 1 times [2021-12-28 02:48:51,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:48:51,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390304793] [2021-12-28 02:48:51,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:48:51,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:48:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:48:51,703 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 02:48:51,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:48:51,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390304793] [2021-12-28 02:48:51,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390304793] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:48:51,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:48:51,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-28 02:48:51,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080585058] [2021-12-28 02:48:51,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:48:51,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 02:48:51,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:48:51,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 02:48:51,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 02:48:51,729 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 139 [2021-12-28 02:48:51,731 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 135 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states 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 02:48:51,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:48:51,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 139 [2021-12-28 02:48:51,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:48:51,886 INFO L129 PetriNetUnfolder]: 162/623 cut-off events. [2021-12-28 02:48:51,886 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-12-28 02:48:51,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 623 events. 162/623 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3433 event pairs, 132 based on Foata normal form. 46/627 useless extension candidates. Maximal degree in co-relation 871. Up to 191 conditions per place. [2021-12-28 02:48:51,893 INFO L132 encePairwiseOnDemand]: 134/139 looper letters, 18 selfloop transitions, 2 changer transitions 0/139 dead transitions. [2021-12-28 02:48:51,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 139 transitions, 339 flow [2021-12-28 02:48:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 02:48:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-28 02:48:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2021-12-28 02:48:51,903 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9448441247002398 [2021-12-28 02:48:51,903 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 394 transitions. [2021-12-28 02:48:51,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 394 transitions. [2021-12-28 02:48:51,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:48:51,906 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 394 transitions. [2021-12-28 02:48:51,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.33333333333334) internal successors, (394), 3 states have internal predecessors, (394), 0 states have call successors, (0), 0 states 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 02:48:51,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states 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 02:48:51,913 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 139.0) internal successors, (556), 4 states have internal predecessors, (556), 0 states have call successors, (0), 0 states 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 02:48:51,914 INFO L186 Difference]: Start difference. First operand has 146 places, 135 transitions, 282 flow. Second operand 3 states and 394 transitions. [2021-12-28 02:48:51,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 139 transitions, 339 flow [2021-12-28 02:48:51,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 139 transitions, 332 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-12-28 02:48:51,920 INFO L242 Difference]: Finished difference. Result has 142 places, 131 transitions, 274 flow [2021-12-28 02:48:51,921 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=142, PETRI_TRANSITIONS=131} [2021-12-28 02:48:51,923 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2021-12-28 02:48:51,923 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 131 transitions, 274 flow [2021-12-28 02:48:51,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states 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 02:48:51,924 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:48:51,924 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] [2021-12-28 02:48:51,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 02:48:51,924 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 02:48:51,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:48:51,924 INFO L85 PathProgramCache]: Analyzing trace with hash 771760905, now seen corresponding path program 1 times [2021-12-28 02:48:51,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:48:51,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834980555] [2021-12-28 02:48:51,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:48:51,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:48:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:48:52,144 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 02:48:52,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:48:52,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834980555] [2021-12-28 02:48:52,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834980555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:48:52,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:48:52,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:48:52,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812726430] [2021-12-28 02:48:52,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:48:52,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:48:52,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:48:52,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:48:52,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:48:52,153 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 139 [2021-12-28 02:48:52,154 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 131 transitions, 274 flow. Second operand has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 0 states have call successors, (0), 0 states 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 02:48:52,154 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:48:52,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 139 [2021-12-28 02:48:52,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:48:56,173 INFO L129 PetriNetUnfolder]: 14819/33057 cut-off events. [2021-12-28 02:48:56,173 INFO L130 PetriNetUnfolder]: For 1153/1153 co-relation queries the response was YES. [2021-12-28 02:48:56,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54723 conditions, 33057 events. 14819/33057 cut-off events. For 1153/1153 co-relation queries the response was YES. Maximal size of possible extension queue 1343. Compared 353667 event pairs, 2507 based on Foata normal form. 0/32164 useless extension candidates. Maximal degree in co-relation 54662. Up to 7247 conditions per place. [2021-12-28 02:48:56,556 INFO L132 encePairwiseOnDemand]: 125/139 looper letters, 48 selfloop transitions, 12 changer transitions 128/277 dead transitions. [2021-12-28 02:48:56,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 277 transitions, 948 flow [2021-12-28 02:48:56,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:48:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:48:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1556 transitions. [2021-12-28 02:48:56,561 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8610957387935805 [2021-12-28 02:48:56,561 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1556 transitions. [2021-12-28 02:48:56,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1556 transitions. [2021-12-28 02:48:56,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:48:56,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1556 transitions. [2021-12-28 02:48:56,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 119.6923076923077) internal successors, (1556), 13 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states 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 02:48:56,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:48:56,569 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:48:56,570 INFO L186 Difference]: Start difference. First operand has 142 places, 131 transitions, 274 flow. Second operand 13 states and 1556 transitions. [2021-12-28 02:48:56,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 277 transitions, 948 flow [2021-12-28 02:48:56,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 277 transitions, 922 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-28 02:48:56,574 INFO L242 Difference]: Finished difference. Result has 164 places, 126 transitions, 374 flow [2021-12-28 02:48:56,575 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=374, PETRI_PLACES=164, PETRI_TRANSITIONS=126} [2021-12-28 02:48:56,575 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 18 predicate places. [2021-12-28 02:48:56,576 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 126 transitions, 374 flow [2021-12-28 02:48:56,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.28571428571429) internal successors, (758), 7 states have internal predecessors, (758), 0 states have call successors, (0), 0 states 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 02:48:56,576 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:48:56,577 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] [2021-12-28 02:48:56,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 02:48:56,577 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 02:48:56,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:48:56,578 INFO L85 PathProgramCache]: Analyzing trace with hash -562955512, now seen corresponding path program 1 times [2021-12-28 02:48:56,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:48:56,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150351798] [2021-12-28 02:48:56,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:48:56,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:48:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:48:56,687 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 02:48:56,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:48:56,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150351798] [2021-12-28 02:48:56,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150351798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:48:56,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:48:56,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:48:56,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975302591] [2021-12-28 02:48:56,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:48:56,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:48:56,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:48:56,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:48:56,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:48:56,690 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 139 [2021-12-28 02:48:56,691 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 126 transitions, 374 flow. Second operand has 7 states, 7 states have (on average 108.42857142857143) internal successors, (759), 7 states have internal predecessors, (759), 0 states have call successors, (0), 0 states 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 02:48:56,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:48:56,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 139 [2021-12-28 02:48:56,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:48:59,519 INFO L129 PetriNetUnfolder]: 10632/18188 cut-off events. [2021-12-28 02:48:59,520 INFO L130 PetriNetUnfolder]: For 32556/33070 co-relation queries the response was YES. [2021-12-28 02:48:59,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55094 conditions, 18188 events. 10632/18188 cut-off events. For 32556/33070 co-relation queries the response was YES. Maximal size of possible extension queue 917. Compared 143663 event pairs, 1678 based on Foata normal form. 379/18093 useless extension candidates. Maximal degree in co-relation 55017. Up to 5746 conditions per place. [2021-12-28 02:48:59,626 INFO L132 encePairwiseOnDemand]: 124/139 looper letters, 51 selfloop transitions, 16 changer transitions 118/274 dead transitions. [2021-12-28 02:48:59,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 274 transitions, 1536 flow [2021-12-28 02:48:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:48:59,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:48:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1545 transitions. [2021-12-28 02:48:59,629 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8550083010514665 [2021-12-28 02:48:59,630 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1545 transitions. [2021-12-28 02:48:59,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1545 transitions. [2021-12-28 02:48:59,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:48:59,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1545 transitions. [2021-12-28 02:48:59,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.84615384615384) internal successors, (1545), 13 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states 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 02:48:59,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:48:59,636 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:48:59,636 INFO L186 Difference]: Start difference. First operand has 164 places, 126 transitions, 374 flow. Second operand 13 states and 1545 transitions. [2021-12-28 02:48:59,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 274 transitions, 1536 flow [2021-12-28 02:48:59,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 274 transitions, 1512 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-12-28 02:48:59,723 INFO L242 Difference]: Finished difference. Result has 162 places, 135 transitions, 558 flow [2021-12-28 02:48:59,723 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=558, PETRI_PLACES=162, PETRI_TRANSITIONS=135} [2021-12-28 02:48:59,724 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 16 predicate places. [2021-12-28 02:48:59,724 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 135 transitions, 558 flow [2021-12-28 02:48:59,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 108.42857142857143) internal successors, (759), 7 states have internal predecessors, (759), 0 states have call successors, (0), 0 states 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 02:48:59,725 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:48:59,725 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 02:48:59,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 02:48:59,725 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 02:48:59,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:48:59,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1205445117, now seen corresponding path program 1 times [2021-12-28 02:48:59,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:48:59,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208383263] [2021-12-28 02:48:59,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:48:59,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:48:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:48:59,890 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 02:48:59,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:48:59,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208383263] [2021-12-28 02:48:59,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208383263] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:48:59,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:48:59,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:48:59,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538269411] [2021-12-28 02:48:59,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:48:59,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:48:59,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:48:59,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:48:59,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:48:59,894 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 139 [2021-12-28 02:48:59,894 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 135 transitions, 558 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 02:48:59,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:48:59,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 139 [2021-12-28 02:48:59,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:49:01,885 INFO L129 PetriNetUnfolder]: 8675/14859 cut-off events. [2021-12-28 02:49:01,886 INFO L130 PetriNetUnfolder]: For 57909/57997 co-relation queries the response was YES. [2021-12-28 02:49:01,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53464 conditions, 14859 events. 8675/14859 cut-off events. For 57909/57997 co-relation queries the response was YES. Maximal size of possible extension queue 711. Compared 113894 event pairs, 944 based on Foata normal form. 288/14936 useless extension candidates. Maximal degree in co-relation 53370. Up to 4489 conditions per place. [2021-12-28 02:49:02,122 INFO L132 encePairwiseOnDemand]: 127/139 looper letters, 62 selfloop transitions, 17 changer transitions 106/274 dead transitions. [2021-12-28 02:49:02,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 274 transitions, 1854 flow [2021-12-28 02:49:02,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:49:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:49:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1529 transitions. [2021-12-28 02:49:02,139 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2021-12-28 02:49:02,139 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1529 transitions. [2021-12-28 02:49:02,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1529 transitions. [2021-12-28 02:49:02,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:49:02,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1529 transitions. [2021-12-28 02:49:02,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 117.61538461538461) internal successors, (1529), 13 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states 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 02:49:02,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:49:02,158 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:49:02,158 INFO L186 Difference]: Start difference. First operand has 162 places, 135 transitions, 558 flow. Second operand 13 states and 1529 transitions. [2021-12-28 02:49:02,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 274 transitions, 1854 flow [2021-12-28 02:49:02,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 274 transitions, 1792 flow, removed 31 selfloop flow, removed 0 redundant places. [2021-12-28 02:49:02,539 INFO L242 Difference]: Finished difference. Result has 177 places, 146 transitions, 776 flow [2021-12-28 02:49:02,540 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=776, PETRI_PLACES=177, PETRI_TRANSITIONS=146} [2021-12-28 02:49:02,541 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 31 predicate places. [2021-12-28 02:49:02,541 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 146 transitions, 776 flow [2021-12-28 02:49:02,542 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 02:49:02,542 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:49:02,542 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 02:49:02,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 02:49:02,543 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 02:49:02,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:49:02,543 INFO L85 PathProgramCache]: Analyzing trace with hash -211338833, now seen corresponding path program 1 times [2021-12-28 02:49:02,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:49:02,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995326059] [2021-12-28 02:49:02,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:49:02,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:49:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:49:02,673 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 02:49:02,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:49:02,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995326059] [2021-12-28 02:49:02,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995326059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:49:02,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:49:02,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 02:49:02,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463203227] [2021-12-28 02:49:02,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:49:02,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 02:49:02,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:49:02,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 02:49:02,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 02:49:02,676 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 139 [2021-12-28 02:49:02,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 146 transitions, 776 flow. Second operand has 6 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 0 states have call successors, (0), 0 states 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 02:49:02,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:49:02,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 139 [2021-12-28 02:49:02,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:49:04,902 INFO L129 PetriNetUnfolder]: 7199/14325 cut-off events. [2021-12-28 02:49:04,902 INFO L130 PetriNetUnfolder]: For 68820/69311 co-relation queries the response was YES. [2021-12-28 02:49:04,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48819 conditions, 14325 events. 7199/14325 cut-off events. For 68820/69311 co-relation queries the response was YES. Maximal size of possible extension queue 827. Compared 130053 event pairs, 2323 based on Foata normal form. 618/14500 useless extension candidates. Maximal degree in co-relation 48715. Up to 3564 conditions per place. [2021-12-28 02:49:05,036 INFO L132 encePairwiseOnDemand]: 133/139 looper letters, 37 selfloop transitions, 8 changer transitions 56/215 dead transitions. [2021-12-28 02:49:05,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 215 transitions, 1436 flow [2021-12-28 02:49:05,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-28 02:49:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-28 02:49:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1108 transitions. [2021-12-28 02:49:05,048 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.885691446842526 [2021-12-28 02:49:05,048 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1108 transitions. [2021-12-28 02:49:05,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1108 transitions. [2021-12-28 02:49:05,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:49:05,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1108 transitions. [2021-12-28 02:49:05,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 123.11111111111111) internal successors, (1108), 9 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states 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 02:49:05,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states 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 02:49:05,066 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 139.0) internal successors, (1390), 10 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states 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 02:49:05,066 INFO L186 Difference]: Start difference. First operand has 177 places, 146 transitions, 776 flow. Second operand 9 states and 1108 transitions. [2021-12-28 02:49:05,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 215 transitions, 1436 flow [2021-12-28 02:49:05,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 215 transitions, 1316 flow, removed 58 selfloop flow, removed 13 redundant places. [2021-12-28 02:49:05,338 INFO L242 Difference]: Finished difference. Result has 170 places, 145 transitions, 738 flow [2021-12-28 02:49:05,338 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=738, PETRI_PLACES=170, PETRI_TRANSITIONS=145} [2021-12-28 02:49:05,339 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 24 predicate places. [2021-12-28 02:49:05,339 INFO L470 AbstractCegarLoop]: Abstraction has has 170 places, 145 transitions, 738 flow [2021-12-28 02:49:05,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.16666666666667) internal successors, (697), 6 states have internal predecessors, (697), 0 states have call successors, (0), 0 states 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 02:49:05,340 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:49:05,340 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] [2021-12-28 02:49:05,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 02:49:05,340 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 02:49:05,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:49:05,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2046545895, now seen corresponding path program 1 times [2021-12-28 02:49:05,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:49:05,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582248230] [2021-12-28 02:49:05,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:49:05,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:49:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:49:05,433 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 02:49:05,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:49:05,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582248230] [2021-12-28 02:49:05,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582248230] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:49:05,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:49:05,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 02:49:05,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922004712] [2021-12-28 02:49:05,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:49:05,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 02:49:05,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:49:05,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 02:49:05,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 02:49:05,436 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2021-12-28 02:49:05,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 145 transitions, 738 flow. Second operand has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states 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 02:49:05,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:49:05,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2021-12-28 02:49:05,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:49:12,058 INFO L129 PetriNetUnfolder]: 28864/50327 cut-off events. [2021-12-28 02:49:12,058 INFO L130 PetriNetUnfolder]: For 62601/70785 co-relation queries the response was YES. [2021-12-28 02:49:12,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118352 conditions, 50327 events. 28864/50327 cut-off events. For 62601/70785 co-relation queries the response was YES. Maximal size of possible extension queue 2942. Compared 477544 event pairs, 1918 based on Foata normal form. 418/48371 useless extension candidates. Maximal degree in co-relation 118253. Up to 16283 conditions per place. [2021-12-28 02:49:12,828 INFO L132 encePairwiseOnDemand]: 128/139 looper letters, 101 selfloop transitions, 20 changer transitions 0/241 dead transitions. [2021-12-28 02:49:12,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 241 transitions, 1388 flow [2021-12-28 02:49:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-28 02:49:12,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-28 02:49:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1227 transitions. [2021-12-28 02:49:12,831 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8827338129496403 [2021-12-28 02:49:12,831 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1227 transitions. [2021-12-28 02:49:12,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1227 transitions. [2021-12-28 02:49:12,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:49:12,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1227 transitions. [2021-12-28 02:49:12,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 122.7) internal successors, (1227), 10 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states 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 02:49:12,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states 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 02:49:12,836 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 139.0) internal successors, (1529), 11 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states 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 02:49:12,836 INFO L186 Difference]: Start difference. First operand has 170 places, 145 transitions, 738 flow. Second operand 10 states and 1227 transitions. [2021-12-28 02:49:12,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 241 transitions, 1388 flow [2021-12-28 02:49:12,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 241 transitions, 1350 flow, removed 15 selfloop flow, removed 13 redundant places. [2021-12-28 02:49:12,920 INFO L242 Difference]: Finished difference. Result has 166 places, 163 transitions, 843 flow [2021-12-28 02:49:12,920 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=151, 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=843, PETRI_PLACES=166, PETRI_TRANSITIONS=163} [2021-12-28 02:49:12,921 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 20 predicate places. [2021-12-28 02:49:12,921 INFO L470 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 843 flow [2021-12-28 02:49:12,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 0 states have call successors, (0), 0 states 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 02:49:12,921 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:49:12,921 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] [2021-12-28 02:49:12,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 02:49:12,922 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 02:49:12,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:49:12,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1462042965, now seen corresponding path program 1 times [2021-12-28 02:49:12,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:49:12,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537667059] [2021-12-28 02:49:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:49:12,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:49:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:49:13,002 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 02:49:13,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:49:13,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537667059] [2021-12-28 02:49:13,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537667059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:49:13,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:49:13,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:49:13,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882118452] [2021-12-28 02:49:13,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:49:13,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:49:13,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:49:13,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:49:13,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:49:13,004 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 139 [2021-12-28 02:49:13,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 843 flow. Second operand has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 0 states have call successors, (0), 0 states 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 02:49:13,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:49:13,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 139 [2021-12-28 02:49:13,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:49:17,325 INFO L129 PetriNetUnfolder]: 12055/31885 cut-off events. [2021-12-28 02:49:17,325 INFO L130 PetriNetUnfolder]: For 68269/73755 co-relation queries the response was YES. [2021-12-28 02:49:17,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92912 conditions, 31885 events. 12055/31885 cut-off events. For 68269/73755 co-relation queries the response was YES. Maximal size of possible extension queue 2070. Compared 401459 event pairs, 3419 based on Foata normal form. 547/30404 useless extension candidates. Maximal degree in co-relation 92813. Up to 5919 conditions per place. [2021-12-28 02:49:17,707 INFO L132 encePairwiseOnDemand]: 125/139 looper letters, 125 selfloop transitions, 47 changer transitions 2/281 dead transitions. [2021-12-28 02:49:17,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 281 transitions, 1990 flow [2021-12-28 02:49:17,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:49:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:49:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1518 transitions. [2021-12-28 02:49:17,710 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8400664084117322 [2021-12-28 02:49:17,710 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1518 transitions. [2021-12-28 02:49:17,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1518 transitions. [2021-12-28 02:49:17,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:49:17,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1518 transitions. [2021-12-28 02:49:17,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 116.76923076923077) internal successors, (1518), 13 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states 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 02:49:17,716 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:49:17,716 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:49:17,716 INFO L186 Difference]: Start difference. First operand has 166 places, 163 transitions, 843 flow. Second operand 13 states and 1518 transitions. [2021-12-28 02:49:17,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 281 transitions, 1990 flow [2021-12-28 02:49:17,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 281 transitions, 1988 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-28 02:49:17,886 INFO L242 Difference]: Finished difference. Result has 189 places, 191 transitions, 1399 flow [2021-12-28 02:49:17,886 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1399, PETRI_PLACES=189, PETRI_TRANSITIONS=191} [2021-12-28 02:49:17,887 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 43 predicate places. [2021-12-28 02:49:17,887 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 191 transitions, 1399 flow [2021-12-28 02:49:17,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 0 states have call successors, (0), 0 states 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 02:49:17,888 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:49:17,888 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] [2021-12-28 02:49:17,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 02:49:17,888 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 02:49:17,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:49:17,888 INFO L85 PathProgramCache]: Analyzing trace with hash 212399289, now seen corresponding path program 1 times [2021-12-28 02:49:17,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:49:17,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136901264] [2021-12-28 02:49:17,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:49:17,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:49:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:49:17,965 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 02:49:17,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:49:17,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136901264] [2021-12-28 02:49:17,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136901264] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:49:17,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:49:17,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:49:17,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465956140] [2021-12-28 02:49:17,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:49:17,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:49:17,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:49:17,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:49:17,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:49:17,968 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 139 [2021-12-28 02:49:17,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 191 transitions, 1399 flow. Second operand has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states 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 02:49:17,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:49:17,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 139 [2021-12-28 02:49:17,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-28 02:49:28,532 INFO L129 PetriNetUnfolder]: 40232/72853 cut-off events. [2021-12-28 02:49:28,533 INFO L130 PetriNetUnfolder]: For 212216/224845 co-relation queries the response was YES. [2021-12-28 02:49:29,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236053 conditions, 72853 events. 40232/72853 cut-off events. For 212216/224845 co-relation queries the response was YES. Maximal size of possible extension queue 4375. Compared 767993 event pairs, 1706 based on Foata normal form. 1983/73146 useless extension candidates. Maximal degree in co-relation 235941. Up to 15706 conditions per place. [2021-12-28 02:49:29,642 INFO L132 encePairwiseOnDemand]: 128/139 looper letters, 138 selfloop transitions, 38 changer transitions 6/323 dead transitions. [2021-12-28 02:49:29,642 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 323 transitions, 2717 flow [2021-12-28 02:49:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 02:49:29,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-28 02:49:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1600 transitions. [2021-12-28 02:49:29,645 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8854454897620365 [2021-12-28 02:49:29,645 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1600 transitions. [2021-12-28 02:49:29,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1600 transitions. [2021-12-28 02:49:29,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 02:49:29,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1600 transitions. [2021-12-28 02:49:29,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.07692307692308) internal successors, (1600), 13 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states 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 02:49:29,650 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:49:29,651 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 139.0) internal successors, (1946), 14 states have internal predecessors, (1946), 0 states have call successors, (0), 0 states 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 02:49:29,651 INFO L186 Difference]: Start difference. First operand has 189 places, 191 transitions, 1399 flow. Second operand 13 states and 1600 transitions. [2021-12-28 02:49:29,651 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 323 transitions, 2717 flow [2021-12-28 02:49:31,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 323 transitions, 2695 flow, removed 11 selfloop flow, removed 0 redundant places. [2021-12-28 02:49:31,368 INFO L242 Difference]: Finished difference. Result has 207 places, 205 transitions, 1562 flow [2021-12-28 02:49:31,369 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=1377, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1562, PETRI_PLACES=207, PETRI_TRANSITIONS=205} [2021-12-28 02:49:31,369 INFO L334 CegarLoopForPetriNet]: 146 programPoint places, 61 predicate places. [2021-12-28 02:49:31,369 INFO L470 AbstractCegarLoop]: Abstraction has has 207 places, 205 transitions, 1562 flow [2021-12-28 02:49:31,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 114.0) internal successors, (798), 7 states have internal predecessors, (798), 0 states have call successors, (0), 0 states 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 02:49:31,370 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-28 02:49:31,370 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 02:49:31,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 02:49:31,370 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 02:49:31,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 02:49:31,371 INFO L85 PathProgramCache]: Analyzing trace with hash 977479542, now seen corresponding path program 1 times [2021-12-28 02:49:31,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 02:49:31,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846990424] [2021-12-28 02:49:31,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 02:49:31,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 02:49:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 02:49:31,453 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 02:49:31,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 02:49:31,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846990424] [2021-12-28 02:49:31,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846990424] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 02:49:31,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 02:49:31,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 02:49:31,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717278397] [2021-12-28 02:49:31,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 02:49:31,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 02:49:31,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 02:49:31,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 02:49:31,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-28 02:49:31,455 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 139 [2021-12-28 02:49:31,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 205 transitions, 1562 flow. Second operand has 7 states, 7 states have (on average 107.57142857142857) internal successors, (753), 7 states have internal predecessors, (753), 0 states have call successors, (0), 0 states 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 02:49:31,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-28 02:49:31,456 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 139 [2021-12-28 02:49:31,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand