/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix005_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 16:54:03,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 16:54:03,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 16:54:03,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 16:54:03,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 16:54:03,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 16:54:03,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 16:54:03,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 16:54:03,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 16:54:03,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 16:54:03,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 16:54:03,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 16:54:03,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 16:54:03,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 16:54:03,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 16:54:03,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 16:54:03,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 16:54:03,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 16:54:03,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 16:54:03,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 16:54:03,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 16:54:03,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 16:54:03,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 16:54:03,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 16:54:03,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 16:54:03,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 16:54:03,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 16:54:03,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 16:54:03,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 16:54:03,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 16:54:03,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 16:54:03,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 16:54:03,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 16:54:03,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 16:54:03,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 16:54:03,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 16:54:03,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 16:54:03,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 16:54:03,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 16:54:03,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 16:54:03,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 16:54:03,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 16:54:03,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 16:54:03,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 16:54:03,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 16:54:03,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 16:54:03,518 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 16:54:03,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 16:54:03,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 16:54:03,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 16:54:03,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 16:54:03,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 16:54:03,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 16:54:03,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 16:54:03,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 16:54:03,520 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 16:54:03,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 16:54:03,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 16:54:03,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 16:54:03,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 16:54:03,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 16:54:03,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 16:54:03,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 16:54:03,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:54:03,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 16:54:03,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 16:54:03,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 16:54:03,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 16:54:03,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 16:54:03,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 16:54:03,524 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 16:54:03,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 16:54:03,524 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 16:54:03,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 16:54:03,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 16:54:03,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 16:54:03,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 16:54:03,920 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 16:54:03,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005_rmo.oepc.i [2021-04-28 16:54:04,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ccea932/732297196558442eb95be5d3605b98ea/FLAGe94893485 [2021-04-28 16:54:04,798 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 16:54:04,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005_rmo.oepc.i [2021-04-28 16:54:04,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ccea932/732297196558442eb95be5d3605b98ea/FLAGe94893485 [2021-04-28 16:54:05,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8ccea932/732297196558442eb95be5d3605b98ea [2021-04-28 16:54:05,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 16:54:05,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 16:54:05,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 16:54:05,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 16:54:05,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 16:54:05,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:54:05" (1/1) ... [2021-04-28 16:54:05,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39eb19ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:05, skipping insertion in model container [2021-04-28 16:54:05,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 04:54:05" (1/1) ... [2021-04-28 16:54:05,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 16:54:05,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 16:54:05,519 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005_rmo.oepc.i[949,962] [2021-04-28 16:54:05,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:54:05,808 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 16:54:05,823 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005_rmo.oepc.i[949,962] [2021-04-28 16:54:05,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 16:54:06,072 INFO L208 MainTranslator]: Completed translation [2021-04-28 16:54:06,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06 WrapperNode [2021-04-28 16:54:06,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 16:54:06,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 16:54:06,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 16:54:06,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 16:54:06,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 16:54:06,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 16:54:06,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 16:54:06,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 16:54:06,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... [2021-04-28 16:54:06,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 16:54:06,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 16:54:06,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 16:54:06,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 16:54:06,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 16:54:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 16:54:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 16:54:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 16:54:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 16:54:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 16:54:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 16:54:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 16:54:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 16:54:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 16:54:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 16:54:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 16:54:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 16:54:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 16:54:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 16:54:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 16:54:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 16:54:06,310 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 16:54:08,756 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 16:54:08,756 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 16:54:08,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:54:08 BoogieIcfgContainer [2021-04-28 16:54:08,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 16:54:08,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 16:54:08,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 16:54:08,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 16:54:08,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 04:54:05" (1/3) ... [2021-04-28 16:54:08,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a735256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:54:08, skipping insertion in model container [2021-04-28 16:54:08,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 04:54:06" (2/3) ... [2021-04-28 16:54:08,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a735256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 04:54:08, skipping insertion in model container [2021-04-28 16:54:08,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 04:54:08" (3/3) ... [2021-04-28 16:54:08,767 INFO L111 eAbstractionObserver]: Analyzing ICFG mix005_rmo.oepc.i [2021-04-28 16:54:08,774 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 16:54:08,779 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 16:54:08,780 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 16:54:08,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,824 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,828 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,830 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,836 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,836 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,837 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,837 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,841 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,841 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,841 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,841 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,842 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,842 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,842 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,842 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,842 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,843 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,844 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,845 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,846 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,847 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,848 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,854 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,857 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,858 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,863 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,864 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,872 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,872 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,873 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,874 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,876 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 16:54:08,880 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 16:54:08,902 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 16:54:08,925 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 16:54:08,925 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 16:54:08,925 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 16:54:08,925 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 16:54:08,925 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 16:54:08,925 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 16:54:08,926 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 16:54:08,926 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 16:54:08,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 16:54:08,993 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 16:54:08,993 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:54:08,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 16:54:08,998 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-04-28 16:54:09,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-04-28 16:54:09,009 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:54:09,025 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 16:54:09,032 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-04-28 16:54:09,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-04-28 16:54:09,089 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-04-28 16:54:09,089 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:54:09,090 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 16:54:09,097 INFO L146 LiptonReduction]: Number of co-enabled transitions 2886 [2021-04-28 16:54:13,015 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 16:54:13,136 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 16:54:13,705 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 16:54:13,905 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 16:54:15,229 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 16:54:29,033 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 16:54:31,093 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 16:54:32,532 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:32,738 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:32,842 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 16:54:32,947 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:54:33,056 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:54:33,159 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:54:33,264 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 16:54:33,380 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:54:33,492 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:54:33,649 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:54:33,776 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 16:54:34,263 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:54:34,373 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:54:34,486 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:54:34,591 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 16:54:34,749 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 16:54:34,886 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 16:54:35,024 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 16:54:35,159 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 16:54:35,554 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 16:54:36,368 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 16:54:38,548 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 16:54:38,688 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 16:54:38,872 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 16:54:39,033 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 16:54:39,197 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:39,352 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:39,502 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:39,652 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:39,788 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:39,922 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:40,060 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:40,199 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:40,365 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:54:40,533 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:54:40,705 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:54:40,875 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 16:54:41,025 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:54:41,180 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:54:41,345 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:54:41,502 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 16:54:41,677 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:41,819 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:41,964 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:42,105 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:42,223 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:54:42,342 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:54:42,465 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:54:42,587 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 16:54:42,762 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:54:42,930 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:54:43,114 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:54:43,293 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 16:54:43,454 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:54:43,611 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:54:43,774 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:54:43,939 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:54:44,059 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:44,179 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:44,301 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:44,422 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:44,559 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:44,730 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:44,887 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:45,042 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:45,245 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:54:45,442 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:54:45,642 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:54:45,822 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 16:54:45,976 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:46,129 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:46,283 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:46,444 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 16:54:46,575 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:54:46,705 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:54:46,833 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:54:46,963 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 16:54:47,125 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:54:47,287 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:54:47,448 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:54:47,608 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 16:54:47,753 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:54:47,897 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:54:48,041 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:54:48,200 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 16:54:48,766 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 16:54:49,014 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 16:54:49,546 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 16:54:49,796 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 16:54:49,999 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:50,202 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:50,414 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:50,619 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:50,757 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:50,893 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:51,034 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:51,177 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 16:54:51,373 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:54:51,563 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:54:51,773 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:54:51,966 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 16:54:52,479 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 16:54:52,717 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 16:54:53,221 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 16:54:53,461 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 16:54:53,580 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:53,700 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:53,815 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:53,932 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 16:54:54,137 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:54,345 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:54,548 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:54,741 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:54,939 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:54:55,155 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:54:55,358 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:54:55,557 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 16:54:55,758 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:55,962 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:56,165 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:56,372 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:56,576 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:56,782 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:56,990 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:57,202 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:57,388 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:54:57,575 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:54:57,763 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:54:57,954 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 16:54:58,163 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:58,375 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:58,591 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:58,795 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 16:54:58,866 INFO L158 LiptonReduction]: Checked pairs total: 29318 [2021-04-28 16:54:58,866 INFO L160 LiptonReduction]: Total number of compositions: 286 [2021-04-28 16:54:58,873 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49866 [2021-04-28 16:54:58,899 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-28 16:54:58,899 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:54:58,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:54:58,900 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 16:54:58,901 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:54:58,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:54:58,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1392239, now seen corresponding path program 1 times [2021-04-28 16:54:58,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:54:58,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647661474] [2021-04-28 16:54:58,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:54:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:54:59,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:54:59,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:54:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:54:59,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647661474] [2021-04-28 16:54:59,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:54:59,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:54:59,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654471369] [2021-04-28 16:54:59,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:54:59,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:54:59,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:54:59,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:54:59,207 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 406 [2021-04-28 16:54:59,215 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 143 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:54:59,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:54:59,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 406 [2021-04-28 16:54:59,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:54:59,493 INFO L129 PetriNetUnfolder]: 133/686 cut-off events. [2021-04-28 16:54:59,493 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:54:59,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 686 events. 133/686 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 5596 event pairs, 110 based on Foata normal form. 69/349 useless extension candidates. Maximal degree in co-relation 836. Up to 153 conditions per place. [2021-04-28 16:54:59,505 INFO L132 encePairwiseOnDemand]: 383/406 looper letters, 11 selfloop transitions, 2 changer transitions 60/144 dead transitions. [2021-04-28 16:54:59,505 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 144 transitions, 360 flow [2021-04-28 16:54:59,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:54:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:54:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2021-04-28 16:54:59,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7816091954022989 [2021-04-28 16:54:59,527 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2021-04-28 16:54:59,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2021-04-28 16:54:59,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:54:59,534 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2021-04-28 16:54:59,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:54:59,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 406.0) internal successors, (1624), 4 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:54:59,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 406.0) internal successors, (1624), 4 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:54:59,554 INFO L185 Difference]: Start difference. First operand has 155 places, 143 transitions, 298 flow. Second operand 3 states and 952 transitions. [2021-04-28 16:54:59,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 144 transitions, 360 flow [2021-04-28 16:54:59,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 144 transitions, 356 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 16:54:59,563 INFO L241 Difference]: Finished difference. Result has 150 places, 79 transitions, 170 flow [2021-04-28 16:54:59,565 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=150, PETRI_TRANSITIONS=79} [2021-04-28 16:54:59,566 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -5 predicate places. [2021-04-28 16:54:59,566 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:54:59,567 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 79 transitions, 170 flow [2021-04-28 16:54:59,567 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 79 transitions, 170 flow [2021-04-28 16:54:59,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 79 transitions, 170 flow [2021-04-28 16:54:59,579 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2021-04-28 16:54:59,579 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:54:59,580 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 79 events. 0/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 391 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 16:54:59,582 INFO L146 LiptonReduction]: Number of co-enabled transitions 3210 [2021-04-28 16:55:00,463 INFO L158 LiptonReduction]: Checked pairs total: 4324 [2021-04-28 16:55:00,464 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:00,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 898 [2021-04-28 16:55:00,467 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 79 transitions, 170 flow [2021-04-28 16:55:00,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:00,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:00,468 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:00,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 16:55:00,468 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:55:00,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:00,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1644520042, now seen corresponding path program 1 times [2021-04-28 16:55:00,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:00,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199226756] [2021-04-28 16:55:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:00,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:00,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:00,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199226756] [2021-04-28 16:55:00,587 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:00,587 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:55:00,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126658368] [2021-04-28 16:55:00,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:55:00,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:00,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:55:00,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:55:00,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 406 [2021-04-28 16:55:00,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 79 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:00,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:00,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 406 [2021-04-28 16:55:00,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:00,721 INFO L129 PetriNetUnfolder]: 23/125 cut-off events. [2021-04-28 16:55:00,721 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:55:00,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 125 events. 23/125 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 688 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 203. Up to 51 conditions per place. [2021-04-28 16:55:00,723 INFO L132 encePairwiseOnDemand]: 401/406 looper letters, 1 selfloop transitions, 2 changer transitions 62/102 dead transitions. [2021-04-28 16:55:00,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 102 transitions, 318 flow [2021-04-28 16:55:00,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:55:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:55:00,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 879 transitions. [2021-04-28 16:55:00,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7216748768472906 [2021-04-28 16:55:00,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 879 transitions. [2021-04-28 16:55:00,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 879 transitions. [2021-04-28 16:55:00,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:00,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 879 transitions. [2021-04-28 16:55:00,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 293.0) internal successors, (879), 3 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:00,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 406.0) internal successors, (1624), 4 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:00,735 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 406.0) internal successors, (1624), 4 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:00,736 INFO L185 Difference]: Start difference. First operand has 90 places, 79 transitions, 170 flow. Second operand 3 states and 879 transitions. [2021-04-28 16:55:00,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 102 transitions, 318 flow [2021-04-28 16:55:00,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 102 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:55:00,739 INFO L241 Difference]: Finished difference. Result has 91 places, 40 transitions, 96 flow [2021-04-28 16:55:00,739 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=406, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=91, PETRI_TRANSITIONS=40} [2021-04-28 16:55:00,740 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -64 predicate places. [2021-04-28 16:55:00,740 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:00,740 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 40 transitions, 96 flow [2021-04-28 16:55:00,740 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 40 transitions, 96 flow [2021-04-28 16:55:00,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 40 transitions, 96 flow [2021-04-28 16:55:00,747 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-04-28 16:55:00,747 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 16:55:00,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 40 events. 0/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 16:55:00,749 INFO L146 LiptonReduction]: Number of co-enabled transitions 968 [2021-04-28 16:55:01,043 INFO L158 LiptonReduction]: Checked pairs total: 2434 [2021-04-28 16:55:01,043 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 16:55:01,043 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 303 [2021-04-28 16:55:01,046 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 96 flow [2021-04-28 16:55:01,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:01,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:01,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:01,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 16:55:01,047 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:55:01,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:01,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1937450307, now seen corresponding path program 1 times [2021-04-28 16:55:01,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:01,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976584532] [2021-04-28 16:55:01,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:01,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:01,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:01,150 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:55:01,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:55:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:01,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976584532] [2021-04-28 16:55:01,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:01,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 16:55:01,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008455460] [2021-04-28 16:55:01,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:55:01,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:01,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:55:01,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:55:01,169 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 407 [2021-04-28 16:55:01,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 40 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 230.75) internal successors, (923), 4 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:01,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:01,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 407 [2021-04-28 16:55:01,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:01,322 INFO L129 PetriNetUnfolder]: 180/685 cut-off events. [2021-04-28 16:55:01,322 INFO L130 PetriNetUnfolder]: For 75/147 co-relation queries the response was YES. [2021-04-28 16:55:01,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 685 events. 180/685 cut-off events. For 75/147 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5322 event pairs, 85 based on Foata normal form. 21/502 useless extension candidates. Maximal degree in co-relation 1072. Up to 251 conditions per place. [2021-04-28 16:55:01,329 INFO L132 encePairwiseOnDemand]: 398/407 looper letters, 11 selfloop transitions, 10 changer transitions 0/52 dead transitions. [2021-04-28 16:55:01,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 52 transitions, 168 flow [2021-04-28 16:55:01,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:55:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:55:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 943 transitions. [2021-04-28 16:55:01,334 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5792383292383292 [2021-04-28 16:55:01,334 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 943 transitions. [2021-04-28 16:55:01,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 943 transitions. [2021-04-28 16:55:01,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:01,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 943 transitions. [2021-04-28 16:55:01,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:01,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 407.0) internal successors, (2035), 5 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:01,344 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 407.0) internal successors, (2035), 5 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:01,344 INFO L185 Difference]: Start difference. First operand has 52 places, 40 transitions, 96 flow. Second operand 4 states and 943 transitions. [2021-04-28 16:55:01,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 52 transitions, 168 flow [2021-04-28 16:55:01,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 52 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:55:01,347 INFO L241 Difference]: Finished difference. Result has 55 places, 48 transitions, 156 flow [2021-04-28 16:55:01,347 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=156, PETRI_PLACES=55, PETRI_TRANSITIONS=48} [2021-04-28 16:55:01,348 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -100 predicate places. [2021-04-28 16:55:01,348 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:01,348 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 48 transitions, 156 flow [2021-04-28 16:55:01,348 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 48 transitions, 156 flow [2021-04-28 16:55:01,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 48 transitions, 156 flow [2021-04-28 16:55:01,442 INFO L129 PetriNetUnfolder]: 161/658 cut-off events. [2021-04-28 16:55:01,442 INFO L130 PetriNetUnfolder]: For 133/174 co-relation queries the response was YES. [2021-04-28 16:55:01,445 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1110 conditions, 658 events. 161/658 cut-off events. For 133/174 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5294 event pairs, 72 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 1100. Up to 231 conditions per place. [2021-04-28 16:55:01,456 INFO L146 LiptonReduction]: Number of co-enabled transitions 1226 [2021-04-28 16:55:01,811 INFO L158 LiptonReduction]: Checked pairs total: 1068 [2021-04-28 16:55:01,812 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:01,812 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-04-28 16:55:01,814 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 48 transitions, 156 flow [2021-04-28 16:55:01,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 230.75) internal successors, (923), 4 states have internal predecessors, (923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:01,815 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:01,815 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:01,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 16:55:01,815 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:55:01,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:01,816 INFO L82 PathProgramCache]: Analyzing trace with hash -164256240, now seen corresponding path program 1 times [2021-04-28 16:55:01,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:01,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337971822] [2021-04-28 16:55:01,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:01,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:01,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:01,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337971822] [2021-04-28 16:55:01,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:01,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 16:55:01,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093621726] [2021-04-28 16:55:01,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:55:01,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:01,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:55:01,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:55:01,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 407 [2021-04-28 16:55:01,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 48 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:01,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:01,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 407 [2021-04-28 16:55:01,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:02,037 INFO L129 PetriNetUnfolder]: 130/509 cut-off events. [2021-04-28 16:55:02,037 INFO L130 PetriNetUnfolder]: For 263/310 co-relation queries the response was YES. [2021-04-28 16:55:02,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 936 conditions, 509 events. 130/509 cut-off events. For 263/310 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 3635 event pairs, 72 based on Foata normal form. 5/370 useless extension candidates. Maximal degree in co-relation 924. Up to 191 conditions per place. [2021-04-28 16:55:02,043 INFO L132 encePairwiseOnDemand]: 404/407 looper letters, 1 selfloop transitions, 3 changer transitions 0/48 dead transitions. [2021-04-28 16:55:02,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 48 transitions, 164 flow [2021-04-28 16:55:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:55:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:55:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 838 transitions. [2021-04-28 16:55:02,046 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6863226863226863 [2021-04-28 16:55:02,046 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 838 transitions. [2021-04-28 16:55:02,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 838 transitions. [2021-04-28 16:55:02,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:02,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 838 transitions. [2021-04-28 16:55:02,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:02,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:02,055 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:02,056 INFO L185 Difference]: Start difference. First operand has 55 places, 48 transitions, 156 flow. Second operand 3 states and 838 transitions. [2021-04-28 16:55:02,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 48 transitions, 164 flow [2021-04-28 16:55:02,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 48 transitions, 164 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 16:55:02,059 INFO L241 Difference]: Finished difference. Result has 58 places, 48 transitions, 167 flow [2021-04-28 16:55:02,059 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=58, PETRI_TRANSITIONS=48} [2021-04-28 16:55:02,060 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -97 predicate places. [2021-04-28 16:55:02,060 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:02,060 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 48 transitions, 167 flow [2021-04-28 16:55:02,060 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 48 transitions, 167 flow [2021-04-28 16:55:02,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 48 transitions, 167 flow [2021-04-28 16:55:02,146 INFO L129 PetriNetUnfolder]: 132/566 cut-off events. [2021-04-28 16:55:02,146 INFO L130 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2021-04-28 16:55:02,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 566 events. 132/566 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4338 event pairs, 58 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 1001. Up to 191 conditions per place. [2021-04-28 16:55:02,162 INFO L146 LiptonReduction]: Number of co-enabled transitions 1222 [2021-04-28 16:55:02,189 INFO L158 LiptonReduction]: Checked pairs total: 1066 [2021-04-28 16:55:02,190 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:02,190 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130 [2021-04-28 16:55:02,194 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 167 flow [2021-04-28 16:55:02,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:02,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:02,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:02,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 16:55:02,195 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:55:02,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:02,196 INFO L82 PathProgramCache]: Analyzing trace with hash 921184202, now seen corresponding path program 1 times [2021-04-28 16:55:02,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:02,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951355170] [2021-04-28 16:55:02,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:02,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:02,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:02,312 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:55:02,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:55:02,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:02,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:55:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:02,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951355170] [2021-04-28 16:55:02,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:02,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:55:02,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538624029] [2021-04-28 16:55:02,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:55:02,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:02,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:55:02,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:55:02,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 407 [2021-04-28 16:55:02,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 167 flow. Second operand has 4 states, 4 states have (on average 311.75) internal successors, (1247), 4 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:02,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:02,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 407 [2021-04-28 16:55:02,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:05,279 INFO L129 PetriNetUnfolder]: 12492/19470 cut-off events. [2021-04-28 16:55:05,279 INFO L130 PetriNetUnfolder]: For 3953/4103 co-relation queries the response was YES. [2021-04-28 16:55:05,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40859 conditions, 19470 events. 12492/19470 cut-off events. For 3953/4103 co-relation queries the response was YES. Maximal size of possible extension queue 2724. Compared 168329 event pairs, 7010 based on Foata normal form. 1393/9870 useless extension candidates. Maximal degree in co-relation 40844. Up to 14635 conditions per place. [2021-04-28 16:55:05,637 INFO L132 encePairwiseOnDemand]: 392/407 looper letters, 26 selfloop transitions, 26 changer transitions 0/85 dead transitions. [2021-04-28 16:55:05,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 85 transitions, 345 flow [2021-04-28 16:55:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 16:55:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 16:55:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1609 transitions. [2021-04-28 16:55:05,642 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7906633906633906 [2021-04-28 16:55:05,643 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1609 transitions. [2021-04-28 16:55:05,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1609 transitions. [2021-04-28 16:55:05,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:05,644 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1609 transitions. [2021-04-28 16:55:05,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 321.8) internal successors, (1609), 5 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:05,655 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 407.0) internal successors, (2442), 6 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:05,657 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 407.0) internal successors, (2442), 6 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:05,657 INFO L185 Difference]: Start difference. First operand has 58 places, 48 transitions, 167 flow. Second operand 5 states and 1609 transitions. [2021-04-28 16:55:05,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 85 transitions, 345 flow [2021-04-28 16:55:05,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 85 transitions, 339 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 16:55:05,668 INFO L241 Difference]: Finished difference. Result has 63 places, 73 transitions, 356 flow [2021-04-28 16:55:05,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=356, PETRI_PLACES=63, PETRI_TRANSITIONS=73} [2021-04-28 16:55:05,668 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -92 predicate places. [2021-04-28 16:55:05,668 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:05,668 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 73 transitions, 356 flow [2021-04-28 16:55:05,669 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 73 transitions, 356 flow [2021-04-28 16:55:05,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 73 transitions, 356 flow [2021-04-28 16:55:08,193 INFO L129 PetriNetUnfolder]: 12289/19227 cut-off events. [2021-04-28 16:55:08,193 INFO L130 PetriNetUnfolder]: For 7759/9712 co-relation queries the response was YES. [2021-04-28 16:55:08,322 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56554 conditions, 19227 events. 12289/19227 cut-off events. For 7759/9712 co-relation queries the response was YES. Maximal size of possible extension queue 2650. Compared 169911 event pairs, 6764 based on Foata normal form. 15/8487 useless extension candidates. Maximal degree in co-relation 56538. Up to 16292 conditions per place. [2021-04-28 16:55:08,552 INFO L146 LiptonReduction]: Number of co-enabled transitions 2052 [2021-04-28 16:55:20,233 INFO L158 LiptonReduction]: Checked pairs total: 2133 [2021-04-28 16:55:20,234 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:20,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14566 [2021-04-28 16:55:20,235 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 73 transitions, 356 flow [2021-04-28 16:55:20,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 311.75) internal successors, (1247), 4 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:20,237 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:20,237 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:20,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 16:55:20,237 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:55:20,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:20,238 INFO L82 PathProgramCache]: Analyzing trace with hash -2025159852, now seen corresponding path program 1 times [2021-04-28 16:55:20,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:20,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045398850] [2021-04-28 16:55:20,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:20,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:20,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:55:20,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:20,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:20,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:20,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045398850] [2021-04-28 16:55:20,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:20,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 16:55:20,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855254138] [2021-04-28 16:55:20,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 16:55:20,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:20,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 16:55:20,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 16:55:20,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 407 [2021-04-28 16:55:20,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 73 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:20,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:20,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 407 [2021-04-28 16:55:20,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:23,050 INFO L129 PetriNetUnfolder]: 17212/26420 cut-off events. [2021-04-28 16:55:23,051 INFO L130 PetriNetUnfolder]: For 16806/21015 co-relation queries the response was YES. [2021-04-28 16:55:23,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78296 conditions, 26420 events. 17212/26420 cut-off events. For 16806/21015 co-relation queries the response was YES. Maximal size of possible extension queue 3630. Compared 231754 event pairs, 9690 based on Foata normal form. 540/11702 useless extension candidates. Maximal degree in co-relation 78278. Up to 22970 conditions per place. [2021-04-28 16:55:23,272 INFO L132 encePairwiseOnDemand]: 404/407 looper letters, 3 selfloop transitions, 4 changer transitions 0/73 dead transitions. [2021-04-28 16:55:23,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 73 transitions, 370 flow [2021-04-28 16:55:23,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 16:55:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 16:55:23,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 945 transitions. [2021-04-28 16:55:23,277 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.773955773955774 [2021-04-28 16:55:23,277 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 945 transitions. [2021-04-28 16:55:23,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 945 transitions. [2021-04-28 16:55:23,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:23,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 945 transitions. [2021-04-28 16:55:23,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 315.0) internal successors, (945), 3 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:23,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:23,286 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:23,286 INFO L185 Difference]: Start difference. First operand has 63 places, 73 transitions, 356 flow. Second operand 3 states and 945 transitions. [2021-04-28 16:55:23,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 73 transitions, 370 flow [2021-04-28 16:55:23,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 73 transitions, 357 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:55:23,431 INFO L241 Difference]: Finished difference. Result has 65 places, 73 transitions, 357 flow [2021-04-28 16:55:23,431 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=357, PETRI_PLACES=65, PETRI_TRANSITIONS=73} [2021-04-28 16:55:23,431 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -90 predicate places. [2021-04-28 16:55:23,432 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:23,432 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 73 transitions, 357 flow [2021-04-28 16:55:23,432 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 73 transitions, 357 flow [2021-04-28 16:55:23,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 73 transitions, 357 flow [2021-04-28 16:55:25,597 INFO L129 PetriNetUnfolder]: 16684/25621 cut-off events. [2021-04-28 16:55:25,597 INFO L130 PetriNetUnfolder]: For 9513/12121 co-relation queries the response was YES. [2021-04-28 16:55:25,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75315 conditions, 25621 events. 16684/25621 cut-off events. For 9513/12121 co-relation queries the response was YES. Maximal size of possible extension queue 3556. Compared 226678 event pairs, 9319 based on Foata normal form. 25/10926 useless extension candidates. Maximal degree in co-relation 75298. Up to 22430 conditions per place. [2021-04-28 16:55:26,125 INFO L146 LiptonReduction]: Number of co-enabled transitions 2048 [2021-04-28 16:55:31,993 INFO L158 LiptonReduction]: Checked pairs total: 2133 [2021-04-28 16:55:31,993 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:31,994 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8562 [2021-04-28 16:55:31,995 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 73 transitions, 357 flow [2021-04-28 16:55:31,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:31,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:31,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:31,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 16:55:31,996 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:55:31,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:31,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1270182597, now seen corresponding path program 1 times [2021-04-28 16:55:31,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:31,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485923279] [2021-04-28 16:55:31,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:32,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:32,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:32,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:32,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:32,070 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:55:32,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:55:32,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:32,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:55:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:32,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485923279] [2021-04-28 16:55:32,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:32,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:55:32,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124093462] [2021-04-28 16:55:32,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 16:55:32,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:32,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 16:55:32,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 16:55:32,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 407 [2021-04-28 16:55:32,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 73 transitions, 357 flow. Second operand has 5 states, 5 states have (on average 311.8) internal successors, (1559), 5 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:32,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:32,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 407 [2021-04-28 16:55:32,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:34,566 INFO L129 PetriNetUnfolder]: 16303/26555 cut-off events. [2021-04-28 16:55:34,567 INFO L130 PetriNetUnfolder]: For 14707/25807 co-relation queries the response was YES. [2021-04-28 16:55:34,865 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103884 conditions, 26555 events. 16303/26555 cut-off events. For 14707/25807 co-relation queries the response was YES. Maximal size of possible extension queue 3996. Compared 244643 event pairs, 3894 based on Foata normal form. 2315/13425 useless extension candidates. Maximal degree in co-relation 103865. Up to 23501 conditions per place. [2021-04-28 16:55:34,955 INFO L132 encePairwiseOnDemand]: 392/407 looper letters, 26 selfloop transitions, 51 changer transitions 0/110 dead transitions. [2021-04-28 16:55:34,956 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 110 transitions, 731 flow [2021-04-28 16:55:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:55:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:55:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2256 transitions. [2021-04-28 16:55:34,964 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7918567918567918 [2021-04-28 16:55:34,964 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2256 transitions. [2021-04-28 16:55:34,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2256 transitions. [2021-04-28 16:55:34,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:34,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2256 transitions. [2021-04-28 16:55:34,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 322.2857142857143) internal successors, (2256), 7 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:34,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 407.0) internal successors, (3256), 8 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:34,980 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 407.0) internal successors, (3256), 8 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:34,981 INFO L185 Difference]: Start difference. First operand has 65 places, 73 transitions, 357 flow. Second operand 7 states and 2256 transitions. [2021-04-28 16:55:34,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 110 transitions, 731 flow [2021-04-28 16:55:35,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 110 transitions, 727 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:55:35,140 INFO L241 Difference]: Finished difference. Result has 73 places, 98 transitions, 719 flow [2021-04-28 16:55:35,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=719, PETRI_PLACES=73, PETRI_TRANSITIONS=98} [2021-04-28 16:55:35,140 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -82 predicate places. [2021-04-28 16:55:35,140 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:55:35,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 98 transitions, 719 flow [2021-04-28 16:55:35,141 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 98 transitions, 719 flow [2021-04-28 16:55:35,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 98 transitions, 719 flow [2021-04-28 16:55:37,950 INFO L129 PetriNetUnfolder]: 16273/26690 cut-off events. [2021-04-28 16:55:37,951 INFO L130 PetriNetUnfolder]: For 32771/49363 co-relation queries the response was YES. [2021-04-28 16:55:38,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127386 conditions, 26690 events. 16273/26690 cut-off events. For 32771/49363 co-relation queries the response was YES. Maximal size of possible extension queue 3947. Compared 253767 event pairs, 3746 based on Foata normal form. 65/11395 useless extension candidates. Maximal degree in co-relation 127365. Up to 23489 conditions per place. [2021-04-28 16:55:38,315 INFO L146 LiptonReduction]: Number of co-enabled transitions 2986 [2021-04-28 16:55:54,446 INFO L158 LiptonReduction]: Checked pairs total: 4622 [2021-04-28 16:55:54,446 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:55:54,447 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19307 [2021-04-28 16:55:54,448 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 98 transitions, 719 flow [2021-04-28 16:55:54,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 311.8) internal successors, (1559), 5 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:54,449 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:55:54,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:55:54,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 16:55:54,449 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:55:54,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:55:54,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1571768906, now seen corresponding path program 1 times [2021-04-28 16:55:54,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:55:54,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102579989] [2021-04-28 16:55:54,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:55:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:55:54,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:54,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:55:54,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:54,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:54,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:55:54,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:55:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:55:54,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102579989] [2021-04-28 16:55:54,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:55:54,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 16:55:54,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464605204] [2021-04-28 16:55:54,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 16:55:54,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:55:54,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 16:55:54,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 16:55:54,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 407 [2021-04-28 16:55:54,544 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 98 transitions, 719 flow. Second operand has 4 states, 4 states have (on average 252.25) internal successors, (1009), 4 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:54,544 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:55:54,544 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 407 [2021-04-28 16:55:54,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:55:59,351 INFO L129 PetriNetUnfolder]: 27658/44269 cut-off events. [2021-04-28 16:55:59,352 INFO L130 PetriNetUnfolder]: For 62842/182899 co-relation queries the response was YES. [2021-04-28 16:55:59,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 213000 conditions, 44269 events. 27658/44269 cut-off events. For 62842/182899 co-relation queries the response was YES. Maximal size of possible extension queue 7443. Compared 428101 event pairs, 6779 based on Foata normal form. 514/18591 useless extension candidates. Maximal degree in co-relation 212977. Up to 39761 conditions per place. [2021-04-28 16:55:59,842 INFO L132 encePairwiseOnDemand]: 404/407 looper letters, 8 selfloop transitions, 3 changer transitions 0/102 dead transitions. [2021-04-28 16:55:59,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 102 transitions, 761 flow [2021-04-28 16:55:59,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 16:55:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 16:55:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1012 transitions. [2021-04-28 16:55:59,847 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6216216216216216 [2021-04-28 16:55:59,847 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1012 transitions. [2021-04-28 16:55:59,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1012 transitions. [2021-04-28 16:55:59,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:55:59,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1012 transitions. [2021-04-28 16:55:59,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 253.0) internal successors, (1012), 4 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:59,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 407.0) internal successors, (2035), 5 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:59,855 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 407.0) internal successors, (2035), 5 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:55:59,856 INFO L185 Difference]: Start difference. First operand has 73 places, 98 transitions, 719 flow. Second operand 4 states and 1012 transitions. [2021-04-28 16:55:59,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 102 transitions, 761 flow [2021-04-28 16:56:02,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 102 transitions, 623 flow, removed 49 selfloop flow, removed 3 redundant places. [2021-04-28 16:56:02,919 INFO L241 Difference]: Finished difference. Result has 75 places, 100 transitions, 607 flow [2021-04-28 16:56:02,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=607, PETRI_PLACES=75, PETRI_TRANSITIONS=100} [2021-04-28 16:56:02,920 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -80 predicate places. [2021-04-28 16:56:02,920 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:56:02,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 100 transitions, 607 flow [2021-04-28 16:56:02,921 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 100 transitions, 607 flow [2021-04-28 16:56:02,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 100 transitions, 607 flow [2021-04-28 16:56:07,626 INFO L129 PetriNetUnfolder]: 28534/45739 cut-off events. [2021-04-28 16:56:07,627 INFO L130 PetriNetUnfolder]: For 65863/76302 co-relation queries the response was YES. [2021-04-28 16:56:07,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 204511 conditions, 45739 events. 28534/45739 cut-off events. For 65863/76302 co-relation queries the response was YES. Maximal size of possible extension queue 7029. Compared 457431 event pairs, 6699 based on Foata normal form. 83/19016 useless extension candidates. Maximal degree in co-relation 204489. Up to 38323 conditions per place. [2021-04-28 16:56:08,514 INFO L146 LiptonReduction]: Number of co-enabled transitions 3114 [2021-04-28 16:56:34,049 INFO L158 LiptonReduction]: Checked pairs total: 4552 [2021-04-28 16:56:34,049 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:56:34,049 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31129 [2021-04-28 16:56:34,051 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 100 transitions, 607 flow [2021-04-28 16:56:34,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 252.25) internal successors, (1009), 4 states have internal predecessors, (1009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:34,051 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:56:34,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:56:34,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 16:56:34,052 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:56:34,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:56:34,052 INFO L82 PathProgramCache]: Analyzing trace with hash -2031268722, now seen corresponding path program 2 times [2021-04-28 16:56:34,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:56:34,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811702748] [2021-04-28 16:56:34,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:56:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:56:34,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:56:34,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:56:34,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:56:34,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:56:34,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:56:34,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:56:34,119 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 16:56:34,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 16:56:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:56:34,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811702748] [2021-04-28 16:56:34,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:56:34,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:56:34,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613118505] [2021-04-28 16:56:34,136 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 16:56:34,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:56:34,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 16:56:34,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 16:56:34,139 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 407 [2021-04-28 16:56:34,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 100 transitions, 607 flow. Second operand has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:34,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:56:34,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 407 [2021-04-28 16:56:34,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:56:43,667 INFO L129 PetriNetUnfolder]: 51564/81451 cut-off events. [2021-04-28 16:56:43,668 INFO L130 PetriNetUnfolder]: For 129409/175953 co-relation queries the response was YES. [2021-04-28 16:56:44,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 367742 conditions, 81451 events. 51564/81451 cut-off events. For 129409/175953 co-relation queries the response was YES. Maximal size of possible extension queue 13023. Compared 838446 event pairs, 12478 based on Foata normal form. 667/33688 useless extension candidates. Maximal degree in co-relation 367718. Up to 69436 conditions per place. [2021-04-28 16:56:44,138 INFO L132 encePairwiseOnDemand]: 397/407 looper letters, 20 selfloop transitions, 22 changer transitions 6/128 dead transitions. [2021-04-28 16:56:44,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 128 transitions, 865 flow [2021-04-28 16:56:44,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 16:56:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 16:56:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1395 transitions. [2021-04-28 16:56:44,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5712530712530712 [2021-04-28 16:56:44,144 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1395 transitions. [2021-04-28 16:56:44,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1395 transitions. [2021-04-28 16:56:44,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:56:44,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1395 transitions. [2021-04-28 16:56:44,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 232.5) internal successors, (1395), 6 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:44,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 407.0) internal successors, (2849), 7 states have internal predecessors, (2849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:44,157 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 407.0) internal successors, (2849), 7 states have internal predecessors, (2849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:56:44,157 INFO L185 Difference]: Start difference. First operand has 75 places, 100 transitions, 607 flow. Second operand 6 states and 1395 transitions. [2021-04-28 16:56:44,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 128 transitions, 865 flow [2021-04-28 16:56:52,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 128 transitions, 864 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 16:56:52,710 INFO L241 Difference]: Finished difference. Result has 83 places, 114 transitions, 784 flow [2021-04-28 16:56:52,710 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=83, PETRI_TRANSITIONS=114} [2021-04-28 16:56:52,710 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -72 predicate places. [2021-04-28 16:56:52,710 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:56:52,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 114 transitions, 784 flow [2021-04-28 16:56:52,711 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 114 transitions, 784 flow [2021-04-28 16:56:52,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 114 transitions, 784 flow [2021-04-28 16:57:02,133 INFO L129 PetriNetUnfolder]: 50518/79509 cut-off events. [2021-04-28 16:57:02,133 INFO L130 PetriNetUnfolder]: For 115575/146488 co-relation queries the response was YES. [2021-04-28 16:57:02,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359907 conditions, 79509 events. 50518/79509 cut-off events. For 115575/146488 co-relation queries the response was YES. Maximal size of possible extension queue 12954. Compared 821313 event pairs, 12253 based on Foata normal form. 122/32452 useless extension candidates. Maximal degree in co-relation 359880. Up to 67870 conditions per place. [2021-04-28 16:57:03,782 INFO L146 LiptonReduction]: Number of co-enabled transitions 3934 [2021-04-28 16:57:07,905 INFO L158 LiptonReduction]: Checked pairs total: 10523 [2021-04-28 16:57:07,905 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 16:57:07,905 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15195 [2021-04-28 16:57:07,906 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 115 transitions, 792 flow [2021-04-28 16:57:07,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:07,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:57:07,907 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 16:57:07,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 16:57:07,907 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:57:07,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:57:07,908 INFO L82 PathProgramCache]: Analyzing trace with hash 2001097931, now seen corresponding path program 1 times [2021-04-28 16:57:07,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:57:07,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487476494] [2021-04-28 16:57:07,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:57:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:57:07,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:57:07,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:57:07,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:57:07,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:57:07,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:57:07,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:57:08,002 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 16:57:08,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 16:57:08,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:57:08,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 16:57:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:57:08,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487476494] [2021-04-28 16:57:08,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:57:08,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 16:57:08,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402962949] [2021-04-28 16:57:08,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 16:57:08,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:57:08,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 16:57:08,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 16:57:08,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 16:57:08,022 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 115 transitions, 792 flow. Second operand has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:08,022 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:57:08,022 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 16:57:08,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:57:19,213 INFO L129 PetriNetUnfolder]: 45165/76018 cut-off events. [2021-04-28 16:57:19,213 INFO L130 PetriNetUnfolder]: For 124316/227844 co-relation queries the response was YES. [2021-04-28 16:57:19,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414268 conditions, 76018 events. 45165/76018 cut-off events. For 124316/227844 co-relation queries the response was YES. Maximal size of possible extension queue 11889. Compared 833500 event pairs, 2101 based on Foata normal form. 7400/37485 useless extension candidates. Maximal degree in co-relation 414239. Up to 64270 conditions per place. [2021-04-28 16:57:19,685 INFO L132 encePairwiseOnDemand]: 394/409 looper letters, 14 selfloop transitions, 76 changer transitions 16/152 dead transitions. [2021-04-28 16:57:19,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 152 transitions, 1362 flow [2021-04-28 16:57:19,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 16:57:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 16:57:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2921 transitions. [2021-04-28 16:57:19,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.793534365661505 [2021-04-28 16:57:19,693 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2921 transitions. [2021-04-28 16:57:19,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2921 transitions. [2021-04-28 16:57:19,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:57:19,695 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2921 transitions. [2021-04-28 16:57:19,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 324.55555555555554) internal successors, (2921), 9 states have internal predecessors, (2921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:19,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 409.0) internal successors, (4090), 10 states have internal predecessors, (4090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:19,714 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 409.0) internal successors, (4090), 10 states have internal predecessors, (4090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:19,714 INFO L185 Difference]: Start difference. First operand has 84 places, 115 transitions, 792 flow. Second operand 9 states and 2921 transitions. [2021-04-28 16:57:19,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 152 transitions, 1362 flow [2021-04-28 16:57:27,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 152 transitions, 1354 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 16:57:27,800 INFO L241 Difference]: Finished difference. Result has 94 places, 136 transitions, 1240 flow [2021-04-28 16:57:27,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1240, PETRI_PLACES=94, PETRI_TRANSITIONS=136} [2021-04-28 16:57:27,800 INFO L343 CegarLoopForPetriNet]: 155 programPoint places, -61 predicate places. [2021-04-28 16:57:27,800 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 16:57:27,800 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 136 transitions, 1240 flow [2021-04-28 16:57:27,801 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 136 transitions, 1240 flow [2021-04-28 16:57:27,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 136 transitions, 1240 flow [2021-04-28 16:57:34,382 INFO L129 PetriNetUnfolder]: 30311/53808 cut-off events. [2021-04-28 16:57:34,382 INFO L130 PetriNetUnfolder]: For 164657/220332 co-relation queries the response was YES. [2021-04-28 16:57:34,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315741 conditions, 53808 events. 30311/53808 cut-off events. For 164657/220332 co-relation queries the response was YES. Maximal size of possible extension queue 9976. Compared 623946 event pairs, 1697 based on Foata normal form. 1/22071 useless extension candidates. Maximal degree in co-relation 315710. Up to 43732 conditions per place. [2021-04-28 16:57:35,564 INFO L146 LiptonReduction]: Number of co-enabled transitions 3956 [2021-04-28 16:57:36,513 INFO L158 LiptonReduction]: Checked pairs total: 7484 [2021-04-28 16:57:36,513 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 16:57:36,513 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8713 [2021-04-28 16:57:36,514 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 136 transitions, 1240 flow [2021-04-28 16:57:36,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:36,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 16:57:36,515 INFO L263 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] [2021-04-28 16:57:36,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 16:57:36,515 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 16:57:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 16:57:36,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1719541402, now seen corresponding path program 1 times [2021-04-28 16:57:36,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 16:57:36,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28395161] [2021-04-28 16:57:36,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 16:57:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 16:57:36,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:57:36,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:57:36,629 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-28 16:57:36,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-28 16:57:36,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:57:36,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 16:57:36,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 16:57:36,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 16:57:36,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 16:57:36,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28395161] [2021-04-28 16:57:36,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 16:57:36,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 16:57:36,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725060715] [2021-04-28 16:57:36,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 16:57:36,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 16:57:36,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 16:57:36,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-28 16:57:36,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 409 [2021-04-28 16:57:36,675 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 136 transitions, 1240 flow. Second operand has 6 states, 6 states have (on average 216.33333333333334) internal successors, (1298), 6 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:57:36,675 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 16:57:36,675 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 409 [2021-04-28 16:57:36,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 16:58:06,760 INFO L129 PetriNetUnfolder]: 99274/181013 cut-off events. [2021-04-28 16:58:06,760 INFO L130 PetriNetUnfolder]: For 629307/784307 co-relation queries the response was YES. [2021-04-28 16:58:08,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1031233 conditions, 181013 events. 99274/181013 cut-off events. For 629307/784307 co-relation queries the response was YES. Maximal size of possible extension queue 27624. Compared 2341733 event pairs, 3723 based on Foata normal form. 1255/77067 useless extension candidates. Maximal degree in co-relation 1031200. Up to 138457 conditions per place. [2021-04-28 16:58:08,504 INFO L132 encePairwiseOnDemand]: 401/409 looper letters, 17 selfloop transitions, 14 changer transitions 3/159 dead transitions. [2021-04-28 16:58:08,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 159 transitions, 1438 flow [2021-04-28 16:58:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 16:58:08,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 16:58:08,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1535 transitions. [2021-04-28 16:58:08,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.536150890674118 [2021-04-28 16:58:08,510 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1535 transitions. [2021-04-28 16:58:08,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1535 transitions. [2021-04-28 16:58:08,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 16:58:08,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1535 transitions. [2021-04-28 16:58:08,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 219.28571428571428) internal successors, (1535), 7 states have internal predecessors, (1535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:58:08,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 409.0) internal successors, (3272), 8 states have internal predecessors, (3272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:58:08,522 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 409.0) internal successors, (3272), 8 states have internal predecessors, (3272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 16:58:08,522 INFO L185 Difference]: Start difference. First operand has 94 places, 136 transitions, 1240 flow. Second operand 7 states and 1535 transitions. [2021-04-28 16:58:08,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 159 transitions, 1438 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown