/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/mix018_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:09:12,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:09:12,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:09:12,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:09:12,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:09:12,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:09:12,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:09:12,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:09:12,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:09:12,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:09:12,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:09:12,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:09:12,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:09:12,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:09:12,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:09:12,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:09:12,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:09:12,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:09:12,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:09:12,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:09:12,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:09:12,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:09:12,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:09:12,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:09:12,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 18:09:12,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 18:09:12,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 18:09:12,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 18:09:12,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 18:09:12,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 18:09:12,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:09:12,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:09:12,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:09:12,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:09:12,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:09:12,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:09:12,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:09:12,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:09:12,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:09:12,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:09:12,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:09:12,366 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 18:09:12,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:09:12,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:09:12,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:09:12,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:09:12,394 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:09:12,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:09:12,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:09:12,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:09:12,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:09:12,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:09:12,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:09:12,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:09:12,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:09:12,396 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:09:12,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:09:12,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:09:12,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:09:12,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:09:12,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:09:12,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:09:12,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:09:12,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:09:12,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:09:12,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:09:12,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:09:12,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:09:12,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:09:12,399 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:09:12,399 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:09:12,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:09:12,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:09:12,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:09:12,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:09:12,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:09:12,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:09:12,838 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:09:12,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix018_power.opt.i [2021-04-28 18:09:12,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db89eb82d/d685d697022648c783b69335b369aac4/FLAG71e937015 [2021-04-28 18:09:13,592 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:09:13,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix018_power.opt.i [2021-04-28 18:09:13,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db89eb82d/d685d697022648c783b69335b369aac4/FLAG71e937015 [2021-04-28 18:09:13,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db89eb82d/d685d697022648c783b69335b369aac4 [2021-04-28 18:09:13,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:09:13,926 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:09:13,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:09:13,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:09:13,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:09:13,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:09:13" (1/1) ... [2021-04-28 18:09:13,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b5e30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:13, skipping insertion in model container [2021-04-28 18:09:13,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:09:13" (1/1) ... [2021-04-28 18:09:13,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:09:14,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:09:14,205 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/mix018_power.opt.i[950,963] [2021-04-28 18:09:14,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:09:14,427 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:09:14,441 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/mix018_power.opt.i[950,963] [2021-04-28 18:09:14,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:09:14,694 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:09:14,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14 WrapperNode [2021-04-28 18:09:14,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:09:14,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:09:14,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:09:14,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:09:14,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:09:14,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:09:14,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:09:14,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:09:14,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (1/1) ... [2021-04-28 18:09:14,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:09:14,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:09:14,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:09:14,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:09:14,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (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 18:09:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:09:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:09:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:09:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:09:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:09:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:09:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:09:14,943 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:09:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:09:14,943 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:09:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:09:14,943 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:09:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:09:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:09:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:09:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:09:14,946 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 18:09:17,665 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:09:17,666 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:09:17,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:09:17 BoogieIcfgContainer [2021-04-28 18:09:17,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:09:17,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:09:17,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:09:17,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:09:17,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:09:13" (1/3) ... [2021-04-28 18:09:17,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212f9c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:09:17, skipping insertion in model container [2021-04-28 18:09:17,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:14" (2/3) ... [2021-04-28 18:09:17,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212f9c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:09:17, skipping insertion in model container [2021-04-28 18:09:17,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:09:17" (3/3) ... [2021-04-28 18:09:17,681 INFO L111 eAbstractionObserver]: Analyzing ICFG mix018_power.opt.i [2021-04-28 18:09:17,689 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:09:17,695 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:09:17,696 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:09:17,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,759 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,760 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,760 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,760 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,760 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,761 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,761 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,762 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,762 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,763 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,763 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,763 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,764 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,764 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,764 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,766 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,767 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,767 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,767 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,767 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,768 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,782 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,783 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,784 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,785 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,786 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,803 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,804 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,804 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,804 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,804 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,805 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,805 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,805 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,805 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,806 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,806 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,806 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,807 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,808 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,809 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,810 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,810 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,810 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,810 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,810 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,810 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,811 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,811 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,811 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,811 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,811 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,811 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,811 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,812 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,812 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,812 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,812 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,812 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,814 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,823 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,824 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,825 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,826 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,827 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,828 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,829 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,831 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,832 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,833 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,834 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,835 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,837 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,839 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,842 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,843 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,845 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,848 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,857 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,858 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,859 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,861 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,862 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,863 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,865 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,870 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:17,872 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:09:17,894 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:09:17,929 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:09:17,929 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:09:17,929 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:09:17,929 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:09:17,929 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:09:17,929 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:09:17,929 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:09:17,930 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:09:17,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 18:09:17,993 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 18:09:17,993 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:09:17,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 77 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 18:09:17,999 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-04-28 18:09:18,005 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-04-28 18:09:18,007 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:09:18,023 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 18:09:18,026 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-04-28 18:09:18,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-04-28 18:09:18,057 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-04-28 18:09:18,057 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:09:18,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. [2021-04-28 18:09:18,062 INFO L146 LiptonReduction]: Number of co-enabled transitions 2394 [2021-04-28 18:09:21,508 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:09:21,638 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:09:22,205 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 18:09:22,388 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:09:23,496 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 18:09:30,362 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:09:37,830 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:09:38,919 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:09:39,033 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:09:39,140 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:09:39,258 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:09:40,020 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:09:40,125 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:09:40,238 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:09:40,348 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:09:40,564 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:40,860 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:09:40,962 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:09:41,068 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:09:41,171 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:09:42,310 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:09:42,458 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:09:42,604 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:09:42,753 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:09:42,860 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:43,003 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:43,119 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:43,233 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:43,348 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:43,463 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:43,578 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:43,693 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:43,804 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:09:43,908 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:09:44,916 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:45,020 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:45,125 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:45,229 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:45,388 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:09:45,547 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:09:45,705 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:09:45,895 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:09:46,000 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:46,102 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:46,207 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:46,311 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:09:46,488 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:09:46,662 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:09:46,840 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:09:47,012 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:09:47,144 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:47,279 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:47,418 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:47,558 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:47,722 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:09:47,887 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:09:48,042 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:09:48,195 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:09:48,351 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:09:48,506 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:09:48,655 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:09:48,806 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:09:48,979 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:49,114 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:49,254 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:49,391 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:49,547 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:09:49,700 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:09:49,855 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:09:50,011 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:09:50,167 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:09:50,319 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:09:50,473 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:09:50,627 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:09:50,767 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:09:50,903 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:09:51,043 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:09:51,183 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:09:51,312 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:09:51,441 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:09:51,576 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:09:51,710 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:09:51,898 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:09:52,079 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:09:52,299 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:09:52,484 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:09:52,610 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:09:52,732 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:09:52,854 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:09:52,979 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:09:53,123 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:09:53,263 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:09:53,408 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:09:53,553 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:09:53,674 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:53,796 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:53,923 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:54,043 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:54,175 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:54,309 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:54,441 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:54,576 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:09:54,890 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:55,009 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:55,129 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:55,712 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:09:55,992 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:09:56,574 WARN L205 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:09:56,820 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:09:57,031 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:09:57,240 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:09:57,459 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:09:57,672 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:09:57,875 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:09:58,073 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:09:58,265 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:09:58,461 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:09:58,651 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:09:58,844 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:09:59,039 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:09:59,234 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:09:59,460 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:09:59,682 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:09:59,906 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:00,125 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:00,325 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:10:00,530 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:10:00,740 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:10:00,950 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:10:01,171 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:01,389 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:01,611 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:01,824 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:02,025 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:02,249 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:02,469 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:02,683 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:02,887 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:03,107 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:03,316 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:03,528 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:03,746 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:03,960 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:04,174 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:04,383 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:04,925 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:10:05,178 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:10:05,726 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:10:05,982 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:10:06,050 INFO L158 LiptonReduction]: Checked pairs total: 23653 [2021-04-28 18:10:06,051 INFO L160 LiptonReduction]: Total number of compositions: 279 [2021-04-28 18:10:06,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48051 [2021-04-28 18:10:06,084 INFO L129 PetriNetUnfolder]: 1/99 cut-off events. [2021-04-28 18:10:06,084 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:06,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:06,085 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:06,085 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:10:06,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:06,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1203022712, now seen corresponding path program 1 times [2021-04-28 18:10:06,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:06,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729184608] [2021-04-28 18:10:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:06,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:06,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:10:06,427 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 18:10:06,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729184608] [2021-04-28 18:10:06,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:06,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:10:06,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597126661] [2021-04-28 18:10:06,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:10:06,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:06,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:10:06,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:10:06,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 394 [2021-04-28 18:10:06,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 139 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 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 18:10:06,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:06,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 394 [2021-04-28 18:10:06,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:06,660 INFO L129 PetriNetUnfolder]: 13/333 cut-off events. [2021-04-28 18:10:06,660 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:06,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 333 events. 13/333 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2617 event pairs, 5 based on Foata normal form. 16/74 useless extension candidates. Maximal degree in co-relation 309. Up to 25 conditions per place. [2021-04-28 18:10:06,669 INFO L132 encePairwiseOnDemand]: 378/394 looper letters, 6 selfloop transitions, 2 changer transitions 62/137 dead transitions. [2021-04-28 18:10:06,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 137 transitions, 322 flow [2021-04-28 18:10:06,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:10:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:10:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2021-04-28 18:10:06,699 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8612521150592216 [2021-04-28 18:10:06,700 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1018 transitions. [2021-04-28 18:10:06,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1018 transitions. [2021-04-28 18:10:06,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:06,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1018 transitions. [2021-04-28 18:10:06,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 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 18:10:06,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 394.0) internal successors, (1576), 4 states have internal predecessors, (1576), 0 states have call successors, (0), 0 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 18:10:06,741 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 394.0) internal successors, (1576), 4 states have internal predecessors, (1576), 0 states have call successors, (0), 0 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 18:10:06,743 INFO L185 Difference]: Start difference. First operand has 151 places, 139 transitions, 290 flow. Second operand 3 states and 1018 transitions. [2021-04-28 18:10:06,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 137 transitions, 322 flow [2021-04-28 18:10:06,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 137 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:10:06,752 INFO L241 Difference]: Finished difference. Result has 146 places, 73 transitions, 158 flow [2021-04-28 18:10:06,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=146, PETRI_TRANSITIONS=73} [2021-04-28 18:10:06,755 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -5 predicate places. [2021-04-28 18:10:06,755 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:06,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 73 transitions, 158 flow [2021-04-28 18:10:06,757 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 146 places, 73 transitions, 158 flow [2021-04-28 18:10:06,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 73 transitions, 158 flow [2021-04-28 18:10:06,767 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-04-28 18:10:06,768 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:06,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 73 events. 0/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 329 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:10:06,770 INFO L146 LiptonReduction]: Number of co-enabled transitions 2676 [2021-04-28 18:10:07,714 INFO L158 LiptonReduction]: Checked pairs total: 3590 [2021-04-28 18:10:07,714 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:07,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 960 [2021-04-28 18:10:07,717 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 73 transitions, 158 flow [2021-04-28 18:10:07,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 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 18:10:07,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:07,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:07,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:10:07,719 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:10:07,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:07,720 INFO L82 PathProgramCache]: Analyzing trace with hash 758751315, now seen corresponding path program 1 times [2021-04-28 18:10:07,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:07,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089686266] [2021-04-28 18:10:07,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:07,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:07,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:07,891 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 18:10:07,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089686266] [2021-04-28 18:10:07,891 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:07,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:10:07,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113159559] [2021-04-28 18:10:07,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:10:07,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:07,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:10:07,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:10:07,900 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 394 [2021-04-28 18:10:07,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 73 transitions, 158 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 18:10:07,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:07,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 394 [2021-04-28 18:10:07,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:08,061 INFO L129 PetriNetUnfolder]: 107/378 cut-off events. [2021-04-28 18:10:08,061 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:08,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 611 conditions, 378 events. 107/378 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 2683 event pairs, 28 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 602. Up to 195 conditions per place. [2021-04-28 18:10:08,064 INFO L132 encePairwiseOnDemand]: 388/394 looper letters, 3 selfloop transitions, 3 changer transitions 52/100 dead transitions. [2021-04-28 18:10:08,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 100 transitions, 328 flow [2021-04-28 18:10:08,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:10:08,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:10:08,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 888 transitions. [2021-04-28 18:10:08,067 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.751269035532995 [2021-04-28 18:10:08,068 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 888 transitions. [2021-04-28 18:10:08,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 888 transitions. [2021-04-28 18:10:08,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:08,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 888 transitions. [2021-04-28 18:10:08,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 296.0) internal successors, (888), 3 states have internal predecessors, (888), 0 states have call successors, (0), 0 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 18:10:08,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 394.0) internal successors, (1576), 4 states have internal predecessors, (1576), 0 states have call successors, (0), 0 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 18:10:08,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 394.0) internal successors, (1576), 4 states have internal predecessors, (1576), 0 states have call successors, (0), 0 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 18:10:08,076 INFO L185 Difference]: Start difference. First operand has 84 places, 73 transitions, 158 flow. Second operand 3 states and 888 transitions. [2021-04-28 18:10:08,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 100 transitions, 328 flow [2021-04-28 18:10:08,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 100 transitions, 324 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:10:08,079 INFO L241 Difference]: Finished difference. Result has 85 places, 48 transitions, 119 flow [2021-04-28 18:10:08,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=85, PETRI_TRANSITIONS=48} [2021-04-28 18:10:08,080 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -66 predicate places. [2021-04-28 18:10:08,080 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:08,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 48 transitions, 119 flow [2021-04-28 18:10:08,080 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 48 transitions, 119 flow [2021-04-28 18:10:08,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 48 transitions, 119 flow [2021-04-28 18:10:08,089 INFO L129 PetriNetUnfolder]: 3/58 cut-off events. [2021-04-28 18:10:08,089 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:08,089 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 58 events. 3/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 199 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 73. Up to 10 conditions per place. [2021-04-28 18:10:08,091 INFO L146 LiptonReduction]: Number of co-enabled transitions 1382 [2021-04-28 18:10:08,372 INFO L158 LiptonReduction]: Checked pairs total: 1048 [2021-04-28 18:10:08,373 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:08,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 293 [2021-04-28 18:10:08,375 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 48 transitions, 119 flow [2021-04-28 18:10:08,376 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 18:10:08,376 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:08,376 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:08,376 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:10:08,376 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:10:08,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:08,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1365629050, now seen corresponding path program 1 times [2021-04-28 18:10:08,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:08,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874952192] [2021-04-28 18:10:08,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:08,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:08,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:08,498 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:10:08,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:10:08,512 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 18:10:08,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874952192] [2021-04-28 18:10:08,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:08,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:10:08,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069427277] [2021-04-28 18:10:08,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:10:08,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:08,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:10:08,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:10:08,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 394 [2021-04-28 18:10:08,522 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 48 transitions, 119 flow. Second operand has 4 states, 4 states have (on average 248.75) internal successors, (995), 4 states have internal predecessors, (995), 0 states have call successors, (0), 0 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 18:10:08,522 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:08,522 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 394 [2021-04-28 18:10:08,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:08,661 INFO L129 PetriNetUnfolder]: 101/331 cut-off events. [2021-04-28 18:10:08,661 INFO L130 PetriNetUnfolder]: For 55/102 co-relation queries the response was YES. [2021-04-28 18:10:08,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 331 events. 101/331 cut-off events. For 55/102 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 1959 event pairs, 15 based on Foata normal form. 16/246 useless extension candidates. Maximal degree in co-relation 589. Up to 137 conditions per place. [2021-04-28 18:10:08,666 INFO L132 encePairwiseOnDemand]: 386/394 looper letters, 12 selfloop transitions, 8 changer transitions 0/58 dead transitions. [2021-04-28 18:10:08,666 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 58 transitions, 191 flow [2021-04-28 18:10:08,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:10:08,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:10:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1010 transitions. [2021-04-28 18:10:08,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6408629441624365 [2021-04-28 18:10:08,670 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1010 transitions. [2021-04-28 18:10:08,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1010 transitions. [2021-04-28 18:10:08,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:08,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1010 transitions. [2021-04-28 18:10:08,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 252.5) internal successors, (1010), 4 states have internal predecessors, (1010), 0 states have call successors, (0), 0 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 18:10:08,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:10:08,679 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:10:08,680 INFO L185 Difference]: Start difference. First operand has 58 places, 48 transitions, 119 flow. Second operand 4 states and 1010 transitions. [2021-04-28 18:10:08,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 58 transitions, 191 flow [2021-04-28 18:10:08,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 58 transitions, 186 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:10:08,684 INFO L241 Difference]: Finished difference. Result has 63 places, 54 transitions, 182 flow [2021-04-28 18:10:08,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=182, PETRI_PLACES=63, PETRI_TRANSITIONS=54} [2021-04-28 18:10:08,685 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -88 predicate places. [2021-04-28 18:10:08,685 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:08,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 54 transitions, 182 flow [2021-04-28 18:10:08,687 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 54 transitions, 182 flow [2021-04-28 18:10:08,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions, 182 flow [2021-04-28 18:10:08,750 INFO L129 PetriNetUnfolder]: 89/348 cut-off events. [2021-04-28 18:10:08,750 INFO L130 PetriNetUnfolder]: For 146/163 co-relation queries the response was YES. [2021-04-28 18:10:08,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 658 conditions, 348 events. 89/348 cut-off events. For 146/163 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2337 event pairs, 41 based on Foata normal form. 2/209 useless extension candidates. Maximal degree in co-relation 646. Up to 131 conditions per place. [2021-04-28 18:10:08,760 INFO L146 LiptonReduction]: Number of co-enabled transitions 1606 [2021-04-28 18:10:08,991 INFO L158 LiptonReduction]: Checked pairs total: 577 [2021-04-28 18:10:08,992 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:08,992 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 307 [2021-04-28 18:10:08,999 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 54 transitions, 182 flow [2021-04-28 18:10:09,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 248.75) internal successors, (995), 4 states have internal predecessors, (995), 0 states have call successors, (0), 0 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 18:10:09,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:09,000 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:09,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:10:09,001 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:10:09,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:09,001 INFO L82 PathProgramCache]: Analyzing trace with hash -454631601, now seen corresponding path program 1 times [2021-04-28 18:10:09,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:09,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269973895] [2021-04-28 18:10:09,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:09,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:09,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:09,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:09,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:10:09,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:09,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:10:09,147 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 18:10:09,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269973895] [2021-04-28 18:10:09,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:09,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:10:09,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473288302] [2021-04-28 18:10:09,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:10:09,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:09,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:10:09,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:10:09,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 394 [2021-04-28 18:10:09,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 54 transitions, 182 flow. Second operand has 4 states, 4 states have (on average 299.75) internal successors, (1199), 4 states have internal predecessors, (1199), 0 states have call successors, (0), 0 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 18:10:09,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:09,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 394 [2021-04-28 18:10:09,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:16,051 INFO L129 PetriNetUnfolder]: 36244/53069 cut-off events. [2021-04-28 18:10:16,051 INFO L130 PetriNetUnfolder]: For 1659/1949 co-relation queries the response was YES. [2021-04-28 18:10:16,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107400 conditions, 53069 events. 36244/53069 cut-off events. For 1659/1949 co-relation queries the response was YES. Maximal size of possible extension queue 8298. Compared 468552 event pairs, 19218 based on Foata normal form. 1050/16011 useless extension candidates. Maximal degree in co-relation 107386. Up to 34510 conditions per place. [2021-04-28 18:10:16,566 INFO L132 encePairwiseOnDemand]: 374/394 looper letters, 33 selfloop transitions, 32 changer transitions 0/97 dead transitions. [2021-04-28 18:10:16,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 97 transitions, 398 flow [2021-04-28 18:10:16,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:10:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:10:16,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1561 transitions. [2021-04-28 18:10:16,573 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7923857868020304 [2021-04-28 18:10:16,573 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1561 transitions. [2021-04-28 18:10:16,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1561 transitions. [2021-04-28 18:10:16,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:16,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1561 transitions. [2021-04-28 18:10:16,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 312.2) internal successors, (1561), 5 states have internal predecessors, (1561), 0 states have call successors, (0), 0 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 18:10:16,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:10:16,588 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:10:16,588 INFO L185 Difference]: Start difference. First operand has 63 places, 54 transitions, 182 flow. Second operand 5 states and 1561 transitions. [2021-04-28 18:10:16,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 97 transitions, 398 flow [2021-04-28 18:10:16,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 97 transitions, 394 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 18:10:16,595 INFO L241 Difference]: Finished difference. Result has 69 places, 84 transitions, 416 flow [2021-04-28 18:10:16,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=416, PETRI_PLACES=69, PETRI_TRANSITIONS=84} [2021-04-28 18:10:16,596 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -82 predicate places. [2021-04-28 18:10:16,596 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:16,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 84 transitions, 416 flow [2021-04-28 18:10:16,597 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 84 transitions, 416 flow [2021-04-28 18:10:16,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 84 transitions, 416 flow [2021-04-28 18:10:21,850 INFO L129 PetriNetUnfolder]: 31093/46084 cut-off events. [2021-04-28 18:10:21,850 INFO L130 PetriNetUnfolder]: For 9578/41893 co-relation queries the response was YES. [2021-04-28 18:10:22,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132124 conditions, 46084 events. 31093/46084 cut-off events. For 9578/41893 co-relation queries the response was YES. Maximal size of possible extension queue 6871. Compared 407309 event pairs, 17690 based on Foata normal form. 6/13775 useless extension candidates. Maximal degree in co-relation 132108. Up to 43369 conditions per place. [2021-04-28 18:10:22,536 INFO L146 LiptonReduction]: Number of co-enabled transitions 2452 [2021-04-28 18:10:22,678 INFO L158 LiptonReduction]: Checked pairs total: 964 [2021-04-28 18:10:22,678 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:22,679 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6083 [2021-04-28 18:10:22,680 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 84 transitions, 416 flow [2021-04-28 18:10:22,681 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 299.75) internal successors, (1199), 4 states have internal predecessors, (1199), 0 states have call successors, (0), 0 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 18:10:22,681 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:22,681 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 18:10:22,682 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:10:22,682 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:10:22,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:22,682 INFO L82 PathProgramCache]: Analyzing trace with hash 720553824, now seen corresponding path program 1 times [2021-04-28 18:10:22,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:22,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071853843] [2021-04-28 18:10:22,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:22,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:22,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:10:22,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:22,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:22,792 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:10:22,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:10:22,807 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 18:10:22,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071853843] [2021-04-28 18:10:22,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:22,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:10:22,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220531319] [2021-04-28 18:10:22,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:10:22,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:22,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:10:22,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:10:22,823 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 394 [2021-04-28 18:10:22,825 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 84 transitions, 416 flow. Second operand has 4 states, 4 states have (on average 249.25) internal successors, (997), 4 states have internal predecessors, (997), 0 states have call successors, (0), 0 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 18:10:22,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:22,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 394 [2021-04-28 18:10:22,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:28,972 INFO L129 PetriNetUnfolder]: 44969/67238 cut-off events. [2021-04-28 18:10:28,972 INFO L130 PetriNetUnfolder]: For 18976/662086 co-relation queries the response was YES. [2021-04-28 18:10:29,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193811 conditions, 67238 events. 44969/67238 cut-off events. For 18976/662086 co-relation queries the response was YES. Maximal size of possible extension queue 11202. Compared 629847 event pairs, 25941 based on Foata normal form. 620/20127 useless extension candidates. Maximal degree in co-relation 193793. Up to 63514 conditions per place. [2021-04-28 18:10:29,415 INFO L132 encePairwiseOnDemand]: 388/394 looper letters, 13 selfloop transitions, 11 changer transitions 0/92 dead transitions. [2021-04-28 18:10:29,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 92 transitions, 500 flow [2021-04-28 18:10:29,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:10:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:10:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1010 transitions. [2021-04-28 18:10:29,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6408629441624365 [2021-04-28 18:10:29,419 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1010 transitions. [2021-04-28 18:10:29,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1010 transitions. [2021-04-28 18:10:29,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:29,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1010 transitions. [2021-04-28 18:10:29,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 252.5) internal successors, (1010), 4 states have internal predecessors, (1010), 0 states have call successors, (0), 0 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 18:10:29,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:10:29,430 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 394.0) internal successors, (1970), 5 states have internal predecessors, (1970), 0 states have call successors, (0), 0 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 18:10:29,430 INFO L185 Difference]: Start difference. First operand has 69 places, 84 transitions, 416 flow. Second operand 4 states and 1010 transitions. [2021-04-28 18:10:29,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 92 transitions, 500 flow [2021-04-28 18:10:29,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 92 transitions, 500 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:10:29,596 INFO L241 Difference]: Finished difference. Result has 74 places, 88 transitions, 477 flow [2021-04-28 18:10:29,597 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=477, PETRI_PLACES=74, PETRI_TRANSITIONS=88} [2021-04-28 18:10:29,597 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -77 predicate places. [2021-04-28 18:10:29,597 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:29,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 88 transitions, 477 flow [2021-04-28 18:10:29,598 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 88 transitions, 477 flow [2021-04-28 18:10:29,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 88 transitions, 477 flow [2021-04-28 18:10:35,204 INFO L129 PetriNetUnfolder]: 42961/63542 cut-off events. [2021-04-28 18:10:35,204 INFO L130 PetriNetUnfolder]: For 13961/67096 co-relation queries the response was YES. [2021-04-28 18:10:35,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182454 conditions, 63542 events. 42961/63542 cut-off events. For 13961/67096 co-relation queries the response was YES. Maximal size of possible extension queue 8924. Compared 579698 event pairs, 24667 based on Foata normal form. 23/19366 useless extension candidates. Maximal degree in co-relation 182434. Up to 60235 conditions per place. [2021-04-28 18:10:35,982 INFO L146 LiptonReduction]: Number of co-enabled transitions 2564 [2021-04-28 18:10:36,149 INFO L158 LiptonReduction]: Checked pairs total: 1173 [2021-04-28 18:10:36,149 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:36,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6552 [2021-04-28 18:10:36,151 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 88 transitions, 477 flow [2021-04-28 18:10:36,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 249.25) internal successors, (997), 4 states have internal predecessors, (997), 0 states have call successors, (0), 0 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 18:10:36,152 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:36,152 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:36,152 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:10:36,152 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:10:36,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:36,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1405758239, now seen corresponding path program 1 times [2021-04-28 18:10:36,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:36,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275290298] [2021-04-28 18:10:36,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:36,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:36,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:36,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:36,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:36,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:36,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:10:36,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:36,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:10:36,260 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 18:10:36,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275290298] [2021-04-28 18:10:36,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:36,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:10:36,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380541662] [2021-04-28 18:10:36,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:10:36,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:36,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:10:36,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:10:36,264 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 394 [2021-04-28 18:10:36,267 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 88 transitions, 477 flow. Second operand has 5 states, 5 states have (on average 299.8) internal successors, (1499), 5 states have internal predecessors, (1499), 0 states have call successors, (0), 0 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 18:10:36,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:36,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 394 [2021-04-28 18:10:36,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:45,197 INFO L129 PetriNetUnfolder]: 56164/86357 cut-off events. [2021-04-28 18:10:45,197 INFO L130 PetriNetUnfolder]: For 27947/412643 co-relation queries the response was YES. [2021-04-28 18:10:45,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 331812 conditions, 86357 events. 56164/86357 cut-off events. For 27947/412643 co-relation queries the response was YES. Maximal size of possible extension queue 13725. Compared 848616 event pairs, 11284 based on Foata normal form. 1798/30084 useless extension candidates. Maximal degree in co-relation 331790. Up to 80266 conditions per place. [2021-04-28 18:10:45,974 INFO L132 encePairwiseOnDemand]: 374/394 looper letters, 34 selfloop transitions, 62 changer transitions 0/132 dead transitions. [2021-04-28 18:10:45,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 132 transitions, 914 flow [2021-04-28 18:10:45,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:10:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:10:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2189 transitions. [2021-04-28 18:10:45,990 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.793691080493111 [2021-04-28 18:10:45,991 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2189 transitions. [2021-04-28 18:10:45,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2189 transitions. [2021-04-28 18:10:45,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:45,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2189 transitions. [2021-04-28 18:10:46,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 312.7142857142857) internal successors, (2189), 7 states have internal predecessors, (2189), 0 states have call successors, (0), 0 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 18:10:46,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 394.0) internal successors, (3152), 8 states have internal predecessors, (3152), 0 states have call successors, (0), 0 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 18:10:46,014 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 394.0) internal successors, (3152), 8 states have internal predecessors, (3152), 0 states have call successors, (0), 0 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 18:10:46,014 INFO L185 Difference]: Start difference. First operand has 74 places, 88 transitions, 477 flow. Second operand 7 states and 2189 transitions. [2021-04-28 18:10:46,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 132 transitions, 914 flow [2021-04-28 18:10:46,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 132 transitions, 908 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 18:10:46,298 INFO L241 Difference]: Finished difference. Result has 83 places, 118 transitions, 901 flow [2021-04-28 18:10:46,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=901, PETRI_PLACES=83, PETRI_TRANSITIONS=118} [2021-04-28 18:10:46,298 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -68 predicate places. [2021-04-28 18:10:46,299 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:46,299 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 118 transitions, 901 flow [2021-04-28 18:10:46,299 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 118 transitions, 901 flow [2021-04-28 18:10:46,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 118 transitions, 901 flow [2021-04-28 18:10:53,956 INFO L129 PetriNetUnfolder]: 49461/77189 cut-off events. [2021-04-28 18:10:53,956 INFO L130 PetriNetUnfolder]: For 166375/592480 co-relation queries the response was YES. [2021-04-28 18:10:54,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 366444 conditions, 77189 events. 49461/77189 cut-off events. For 166375/592480 co-relation queries the response was YES. Maximal size of possible extension queue 12689. Compared 789421 event pairs, 10902 based on Foata normal form. 45/24081 useless extension candidates. Maximal degree in co-relation 366419. Up to 73615 conditions per place. [2021-04-28 18:10:55,465 INFO L146 LiptonReduction]: Number of co-enabled transitions 3604 [2021-04-28 18:10:55,711 INFO L158 LiptonReduction]: Checked pairs total: 2127 [2021-04-28 18:10:55,712 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:55,712 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9413 [2021-04-28 18:10:55,713 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 118 transitions, 901 flow [2021-04-28 18:10:55,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 299.8) internal successors, (1499), 5 states have internal predecessors, (1499), 0 states have call successors, (0), 0 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 18:10:55,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:55,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:55,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:10:55,715 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:10:55,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:55,715 INFO L82 PathProgramCache]: Analyzing trace with hash 604433388, now seen corresponding path program 1 times [2021-04-28 18:10:55,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:55,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328995597] [2021-04-28 18:10:55,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:55,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:55,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:55,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:55,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:55,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:55,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:55,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:55,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:10:55,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:55,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:10:55,822 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 18:10:55,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328995597] [2021-04-28 18:10:55,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:55,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:10:55,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891943447] [2021-04-28 18:10:55,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:10:55,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:55,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:10:55,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:10:55,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 394 [2021-04-28 18:10:55,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 118 transitions, 901 flow. Second operand has 6 states, 6 states have (on average 299.8333333333333) internal successors, (1799), 6 states have internal predecessors, (1799), 0 states have call successors, (0), 0 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 18:10:55,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:55,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 394 [2021-04-28 18:10:55,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:11:06,067 INFO L129 PetriNetUnfolder]: 51970/84881 cut-off events. [2021-04-28 18:11:06,067 INFO L130 PetriNetUnfolder]: For 85796/1060693 co-relation queries the response was YES. [2021-04-28 18:11:06,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 482182 conditions, 84881 events. 51970/84881 cut-off events. For 85796/1060693 co-relation queries the response was YES. Maximal size of possible extension queue 14076. Compared 900388 event pairs, 1807 based on Foata normal form. 1894/29442 useless extension candidates. Maximal degree in co-relation 482155. Up to 79735 conditions per place. [2021-04-28 18:11:06,665 INFO L132 encePairwiseOnDemand]: 374/394 looper letters, 23 selfloop transitions, 92 changer transitions 12/163 dead transitions. [2021-04-28 18:11:06,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 163 transitions, 1559 flow [2021-04-28 18:11:06,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:11:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:11:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2817 transitions. [2021-04-28 18:11:06,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7944162436548223 [2021-04-28 18:11:06,676 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2817 transitions. [2021-04-28 18:11:06,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2817 transitions. [2021-04-28 18:11:06,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:11:06,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2817 transitions. [2021-04-28 18:11:06,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 313.0) internal successors, (2817), 9 states have internal predecessors, (2817), 0 states have call successors, (0), 0 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 18:11:06,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 394.0) internal successors, (3940), 10 states have internal predecessors, (3940), 0 states have call successors, (0), 0 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 18:11:06,696 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 394.0) internal successors, (3940), 10 states have internal predecessors, (3940), 0 states have call successors, (0), 0 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 18:11:06,696 INFO L185 Difference]: Start difference. First operand has 83 places, 118 transitions, 901 flow. Second operand 9 states and 2817 transitions. [2021-04-28 18:11:06,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 163 transitions, 1559 flow [2021-04-28 18:11:18,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 163 transitions, 1400 flow, removed 53 selfloop flow, removed 3 redundant places. [2021-04-28 18:11:18,541 INFO L241 Difference]: Finished difference. Result has 91 places, 148 transitions, 1317 flow [2021-04-28 18:11:18,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1317, PETRI_PLACES=91, PETRI_TRANSITIONS=148} [2021-04-28 18:11:18,541 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -60 predicate places. [2021-04-28 18:11:18,542 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:11:18,542 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 148 transitions, 1317 flow [2021-04-28 18:11:18,542 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 148 transitions, 1317 flow [2021-04-28 18:11:18,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 148 transitions, 1317 flow [2021-04-28 18:11:25,164 INFO L129 PetriNetUnfolder]: 34991/61772 cut-off events. [2021-04-28 18:11:25,164 INFO L130 PetriNetUnfolder]: For 212316/444245 co-relation queries the response was YES. [2021-04-28 18:11:25,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 360249 conditions, 61772 events. 34991/61772 cut-off events. For 212316/444245 co-relation queries the response was YES. Maximal size of possible extension queue 12510. Compared 728570 event pairs, 1783 based on Foata normal form. 1/19268 useless extension candidates. Maximal degree in co-relation 360221. Up to 49762 conditions per place. [2021-04-28 18:11:26,345 INFO L146 LiptonReduction]: Number of co-enabled transitions 4180 [2021-04-28 18:12:12,524 INFO L158 LiptonReduction]: Checked pairs total: 3090 [2021-04-28 18:12:12,524 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:12:12,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53983 [2021-04-28 18:12:12,526 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 148 transitions, 1317 flow [2021-04-28 18:12:12,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 299.8333333333333) internal successors, (1799), 6 states have internal predecessors, (1799), 0 states have call successors, (0), 0 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 18:12:12,527 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:12:12,527 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] [2021-04-28 18:12:12,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:12:12,527 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:12:12,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:12:12,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1444138940, now seen corresponding path program 1 times [2021-04-28 18:12:12,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:12:12,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510348108] [2021-04-28 18:12:12,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:12:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:12:12,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:12:12,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:12:12,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:12:12,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:12:12,617 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:12:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:12:12,630 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 18:12:12,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510348108] [2021-04-28 18:12:12,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:12:12,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:12:12,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953766629] [2021-04-28 18:12:12,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:12:12,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:12:12,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:12:12,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:12:12,634 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 394 [2021-04-28 18:12:12,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 148 transitions, 1317 flow. Second operand has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 0 states have call successors, (0), 0 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 18:12:12,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:12:12,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 394 [2021-04-28 18:12:12,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:12:23,955 INFO L129 PetriNetUnfolder]: 60337/107015 cut-off events. [2021-04-28 18:12:23,955 INFO L130 PetriNetUnfolder]: For 370630/805733 co-relation queries the response was YES. [2021-04-28 18:12:24,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 623052 conditions, 107015 events. 60337/107015 cut-off events. For 370630/805733 co-relation queries the response was YES. Maximal size of possible extension queue 19335. Compared 1287350 event pairs, 2987 based on Foata normal form. 219/32653 useless extension candidates. Maximal degree in co-relation 623022. Up to 86167 conditions per place. [2021-04-28 18:12:24,998 INFO L132 encePairwiseOnDemand]: 385/394 looper letters, 18 selfloop transitions, 29 changer transitions 0/174 dead transitions. [2021-04-28 18:12:24,998 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 174 transitions, 1592 flow [2021-04-28 18:12:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:12:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:12:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1223 transitions. [2021-04-28 18:12:25,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6208121827411167 [2021-04-28 18:12:25,008 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1223 transitions. [2021-04-28 18:12:25,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1223 transitions. [2021-04-28 18:12:25,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:12:25,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1223 transitions. [2021-04-28 18:12:25,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 244.6) internal successors, (1223), 5 states have internal predecessors, (1223), 0 states have call successors, (0), 0 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 18:12:25,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:12:25,017 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 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 18:12:25,017 INFO L185 Difference]: Start difference. First operand has 91 places, 148 transitions, 1317 flow. Second operand 5 states and 1223 transitions. [2021-04-28 18:12:25,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 174 transitions, 1592 flow [2021-04-28 18:21:23,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 174 transitions, 1268 flow, removed 106 selfloop flow, removed 5 redundant places. [2021-04-28 18:21:23,178 INFO L241 Difference]: Finished difference. Result has 93 places, 167 transitions, 1255 flow [2021-04-28 18:21:23,179 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=394, PETRI_DIFFERENCE_MINUEND_FLOW=993, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1255, PETRI_PLACES=93, PETRI_TRANSITIONS=167} [2021-04-28 18:21:23,179 INFO L343 CegarLoopForPetriNet]: 151 programPoint places, -58 predicate places. [2021-04-28 18:21:23,179 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:21:23,179 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 167 transitions, 1255 flow [2021-04-28 18:21:23,180 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 167 transitions, 1255 flow [2021-04-28 18:21:23,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 167 transitions, 1255 flow [2021-04-28 18:21:32,550 INFO L129 PetriNetUnfolder]: 60449/107397 cut-off events. [2021-04-28 18:21:32,550 INFO L130 PetriNetUnfolder]: For 112031/115195 co-relation queries the response was YES. [2021-04-28 18:21:33,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 401809 conditions, 107397 events. 60449/107397 cut-off events. For 112031/115195 co-relation queries the response was YES. Maximal size of possible extension queue 20172. Compared 1333808 event pairs, 2848 based on Foata normal form. 1/33336 useless extension candidates. Maximal degree in co-relation 401778. Up to 50680 conditions per place. [2021-04-28 18:21:35,815 INFO L146 LiptonReduction]: Number of co-enabled transitions 6072 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown