/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix040_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 20:55:26,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 20:55:26,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 20:55:26,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 20:55:26,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 20:55:26,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 20:55:26,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 20:55:26,517 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 20:55:26,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 20:55:26,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 20:55:26,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 20:55:26,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 20:55:26,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 20:55:26,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 20:55:26,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 20:55:26,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 20:55:26,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 20:55:26,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 20:55:26,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 20:55:26,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 20:55:26,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 20:55:26,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 20:55:26,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 20:55:26,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 20:55:26,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-10 20:55:26,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 20:55:26,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 20:55:26,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 20:55:26,543 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-SemanticLbe.epf [2021-06-10 20:55:26,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 20:55:26,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 20:55:26,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 20:55:26,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 20:55:26,571 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 20:55:26,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 20:55:26,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 20:55:26,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 20:55:26,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 20:55:26,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 20:55:26,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 20:55:26,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 20:55:26,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 20:55:26,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 20:55:26,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 20:55:26,573 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 20:55:26,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 20:55:26,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 20:55:26,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 20:55:26,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 20:55:26,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 20:55:26,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 20:55:26,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 20:55:26,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 20:55:26,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 20:55:26,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 20:55:26,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 20:55:26,575 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 20:55:26,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 20:55:26,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 20:55:26,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 20:55:26,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 20:55:26,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 20:55:26,897 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 20:55:26,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040_tso.opt.i [2021-06-10 20:55:26,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b1104fd/706f196e654f4467a314c1b4da42e5a1/FLAG7400298ce [2021-06-10 20:55:27,439 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 20:55:27,440 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_tso.opt.i [2021-06-10 20:55:27,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b1104fd/706f196e654f4467a314c1b4da42e5a1/FLAG7400298ce [2021-06-10 20:55:27,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47b1104fd/706f196e654f4467a314c1b4da42e5a1 [2021-06-10 20:55:27,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 20:55:27,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 20:55:27,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 20:55:27,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 20:55:27,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 20:55:27,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 08:55:27" (1/1) ... [2021-06-10 20:55:27,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69bab745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:27, skipping insertion in model container [2021-06-10 20:55:27,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 08:55:27" (1/1) ... [2021-06-10 20:55:28,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 20:55:28,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 20:55:28,233 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/mix040_tso.opt.i[948,961] [2021-06-10 20:55:28,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 20:55:28,456 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 20:55:28,464 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/mix040_tso.opt.i[948,961] [2021-06-10 20:55:28,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 20:55:28,551 INFO L208 MainTranslator]: Completed translation [2021-06-10 20:55:28,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28 WrapperNode [2021-06-10 20:55:28,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 20:55:28,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 20:55:28,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 20:55:28,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 20:55:28,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 20:55:28,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 20:55:28,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 20:55:28,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 20:55:28,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (1/1) ... [2021-06-10 20:55:28,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 20:55:28,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 20:55:28,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 20:55:28,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 20:55:28,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (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 [2021-06-10 20:55:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 20:55:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 20:55:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 20:55:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 20:55:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 20:55:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 20:55:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 20:55:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 20:55:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-10 20:55:28,692 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-10 20:55:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-10 20:55:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-10 20:55:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 20:55:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 20:55:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 20:55:28,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 20:55:28,695 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 20:55:30,247 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 20:55:30,248 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-10 20:55:30,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 08:55:30 BoogieIcfgContainer [2021-06-10 20:55:30,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 20:55:30,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 20:55:30,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 20:55:30,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 20:55:30,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 08:55:27" (1/3) ... [2021-06-10 20:55:30,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4037abe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 08:55:30, skipping insertion in model container [2021-06-10 20:55:30,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 08:55:28" (2/3) ... [2021-06-10 20:55:30,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4037abe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 08:55:30, skipping insertion in model container [2021-06-10 20:55:30,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 08:55:30" (3/3) ... [2021-06-10 20:55:30,255 INFO L111 eAbstractionObserver]: Analyzing ICFG mix040_tso.opt.i [2021-06-10 20:55:30,260 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 20:55:30,264 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 20:55:30,265 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 20:55:30,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,294 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,296 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,297 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,297 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,297 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,298 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,298 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,298 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,298 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,298 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,301 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,302 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,304 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,305 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,311 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,311 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,311 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,312 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,312 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,312 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,312 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,312 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,313 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,317 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,317 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,319 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,319 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,319 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,320 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,321 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,322 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,322 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,324 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,324 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,325 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 20:55:30,326 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 20:55:30,341 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-10 20:55:30,358 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 20:55:30,358 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 20:55:30,358 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 20:55:30,358 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 20:55:30,358 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 20:55:30,358 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 20:55:30,359 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 20:55:30,359 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 20:55:30,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-06-10 20:55:30,402 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-06-10 20:55:30,402 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:55:30,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-06-10 20:55:30,405 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-06-10 20:55:30,409 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-06-10 20:55:30,411 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-10 20:55:30,421 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-06-10 20:55:30,424 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-06-10 20:55:30,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-06-10 20:55:30,443 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-06-10 20:55:30,443 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:55:30,444 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-06-10 20:55:30,447 INFO L151 LiptonReduction]: Number of co-enabled transitions 2488 [2021-06-10 20:55:30,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:30,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:30,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:30,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:30,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:30,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,222 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-10 20:55:31,223 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:55:31,250 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:31,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:31,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:31,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:31,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:31,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:31,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:31,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:31,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:31,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:31,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:31,953 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-10 20:55:31,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:32,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:32,930 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-10 20:55:33,347 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-06-10 20:55:33,480 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-06-10 20:55:33,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:33,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-10 20:55:33,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:33,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,528 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-10 20:55:33,528 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:55:33,532 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,536 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-10 20:55:33,537 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:33,540 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-10 20:55:33,542 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-10 20:55:33,542 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:55:33,544 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,548 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-10 20:55:33,549 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-10 20:55:33,550 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-10 20:55:33,551 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,564 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-10 20:55:33,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:33,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:33,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:33,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:33,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:33,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:33,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:33,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:33,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:33,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:34,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:34,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:34,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:34,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:34,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:34,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,219 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-10 20:55:34,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:34,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:34,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:34,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:34,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:34,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:34,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:34,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:34,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:34,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:34,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-10 20:55:34,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:34,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:34,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:34,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-10 20:55:34,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-10 20:55:34,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:34,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:34,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-10 20:55:34,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-10 20:55:35,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:35,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:35,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:35,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:35,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:35,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:35,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:35,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:35,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:35,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:35,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:35,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:35,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:35,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:36,207 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-06-10 20:55:36,366 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-10 20:55:36,715 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-06-10 20:55:36,880 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-06-10 20:55:36,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:36,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-10 20:55:36,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:36,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:36,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-10 20:55:36,938 INFO L163 LiptonReduction]: Checked pairs total: 6477 [2021-06-10 20:55:36,938 INFO L165 LiptonReduction]: Total number of compositions: 104 [2021-06-10 20:55:36,941 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6531 [2021-06-10 20:55:36,948 INFO L129 PetriNetUnfolder]: 1/19 cut-off events. [2021-06-10 20:55:36,949 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:55:36,949 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:36,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:36,949 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:36,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:36,954 INFO L82 PathProgramCache]: Analyzing trace with hash -2041686253, now seen corresponding path program 1 times [2021-06-10 20:55:36,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:36,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001740554] [2021-06-10 20:55:36,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:37,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:37,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:37,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001740554] [2021-06-10 20:55:37,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:37,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:55:37,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805356994] [2021-06-10 20:55:37,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:55:37,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:37,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:55:37,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:55:37,132 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 220 [2021-06-10 20:55:37,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 30 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2021-06-10 20:55:37,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:37,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 220 [2021-06-10 20:55:37,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:37,195 INFO L129 PetriNetUnfolder]: 9/55 cut-off events. [2021-06-10 20:55:37,195 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:55:37,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 55 events. 9/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 142 event pairs, 3 based on Foata normal form. 12/58 useless extension candidates. Maximal degree in co-relation 79. Up to 17 conditions per place. [2021-06-10 20:55:37,197 INFO L132 encePairwiseOnDemand]: 215/220 looper letters, 5 selfloop transitions, 2 changer transitions 0/29 dead transitions. [2021-06-10 20:55:37,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 29 transitions, 84 flow [2021-06-10 20:55:37,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:55:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:55:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 573 transitions. [2021-06-10 20:55:37,216 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8681818181818182 [2021-06-10 20:55:37,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 573 transitions. [2021-06-10 20:55:37,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 573 transitions. [2021-06-10 20:55:37,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:37,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 573 transitions. [2021-06-10 20:55:37,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 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) [2021-06-10 20:55:37,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,234 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,236 INFO L185 Difference]: Start difference. First operand has 42 places, 30 transitions, 72 flow. Second operand 3 states and 573 transitions. [2021-06-10 20:55:37,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 29 transitions, 84 flow [2021-06-10 20:55:37,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 80 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-10 20:55:37,240 INFO L241 Difference]: Finished difference. Result has 38 places, 27 transitions, 66 flow [2021-06-10 20:55:37,242 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2021-06-10 20:55:37,242 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -4 predicate places. [2021-06-10 20:55:37,242 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow [2021-06-10 20:55:37,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2021-06-10 20:55:37,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:37,244 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:37,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 20:55:37,244 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:37,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:37,246 INFO L82 PathProgramCache]: Analyzing trace with hash 739632946, now seen corresponding path program 1 times [2021-06-10 20:55:37,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:37,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096098319] [2021-06-10 20:55:37,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:37,387 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-10 20:55:37,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 20:55:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:37,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096098319] [2021-06-10 20:55:37,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:37,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:55:37,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400098012] [2021-06-10 20:55:37,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:55:37,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:37,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:55:37,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:55:37,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 220 [2021-06-10 20:55:37,401 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2021-06-10 20:55:37,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:37,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 220 [2021-06-10 20:55:37,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:37,563 INFO L129 PetriNetUnfolder]: 517/1038 cut-off events. [2021-06-10 20:55:37,564 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 20:55:37,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1844 conditions, 1038 events. 517/1038 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 6686 event pairs, 167 based on Foata normal form. 0/952 useless extension candidates. Maximal degree in co-relation 1835. Up to 495 conditions per place. [2021-06-10 20:55:37,573 INFO L132 encePairwiseOnDemand]: 210/220 looper letters, 8 selfloop transitions, 8 changer transitions 2/35 dead transitions. [2021-06-10 20:55:37,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 118 flow [2021-06-10 20:55:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:55:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:55:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2021-06-10 20:55:37,576 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8106060606060606 [2021-06-10 20:55:37,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 535 transitions. [2021-06-10 20:55:37,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 535 transitions. [2021-06-10 20:55:37,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:37,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 535 transitions. [2021-06-10 20:55:37,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 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) [2021-06-10 20:55:37,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,580 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,580 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 3 states and 535 transitions. [2021-06-10 20:55:37,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 118 flow [2021-06-10 20:55:37,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 35 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:55:37,582 INFO L241 Difference]: Finished difference. Result has 40 places, 33 transitions, 122 flow [2021-06-10 20:55:37,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2021-06-10 20:55:37,582 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2021-06-10 20:55:37,583 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 122 flow [2021-06-10 20:55:37,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2021-06-10 20:55:37,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:37,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:37,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 20:55:37,583 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:37,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:37,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2147173444, now seen corresponding path program 1 times [2021-06-10 20:55:37,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:37,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712440953] [2021-06-10 20:55:37,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:37,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:37,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:37,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712440953] [2021-06-10 20:55:37,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:37,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:55:37,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594981043] [2021-06-10 20:55:37,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:55:37,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:37,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:55:37,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:55:37,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2021-06-10 20:55:37,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2021-06-10 20:55:37,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:37,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2021-06-10 20:55:37,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:37,700 INFO L129 PetriNetUnfolder]: 231/520 cut-off events. [2021-06-10 20:55:37,700 INFO L130 PetriNetUnfolder]: For 218/349 co-relation queries the response was YES. [2021-06-10 20:55:37,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1208 conditions, 520 events. 231/520 cut-off events. For 218/349 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3009 event pairs, 79 based on Foata normal form. 9/505 useless extension candidates. Maximal degree in co-relation 1197. Up to 278 conditions per place. [2021-06-10 20:55:37,704 INFO L132 encePairwiseOnDemand]: 216/220 looper letters, 5 selfloop transitions, 5 changer transitions 0/37 dead transitions. [2021-06-10 20:55:37,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 37 transitions, 162 flow [2021-06-10 20:55:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:55:37,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:55:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2021-06-10 20:55:37,706 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8651515151515151 [2021-06-10 20:55:37,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 571 transitions. [2021-06-10 20:55:37,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 571 transitions. [2021-06-10 20:55:37,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:37,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 571 transitions. [2021-06-10 20:55:37,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 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) [2021-06-10 20:55:37,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,711 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,711 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 122 flow. Second operand 3 states and 571 transitions. [2021-06-10 20:55:37,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 37 transitions, 162 flow [2021-06-10 20:55:37,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:55:37,714 INFO L241 Difference]: Finished difference. Result has 40 places, 37 transitions, 147 flow [2021-06-10 20:55:37,715 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=40, PETRI_TRANSITIONS=37} [2021-06-10 20:55:37,715 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, -2 predicate places. [2021-06-10 20:55:37,715 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 37 transitions, 147 flow [2021-06-10 20:55:37,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2021-06-10 20:55:37,715 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:37,715 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:37,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 20:55:37,716 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:37,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:37,716 INFO L82 PathProgramCache]: Analyzing trace with hash 982668277, now seen corresponding path program 1 times [2021-06-10 20:55:37,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:37,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573743707] [2021-06-10 20:55:37,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:37,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:37,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:37,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:37,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573743707] [2021-06-10 20:55:37,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:37,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:55:37,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268647861] [2021-06-10 20:55:37,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:55:37,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:37,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:55:37,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:55:37,793 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2021-06-10 20:55:37,794 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 37 transitions, 147 flow. Second operand has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2021-06-10 20:55:37,794 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:37,794 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2021-06-10 20:55:37,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:37,838 INFO L129 PetriNetUnfolder]: 189/436 cut-off events. [2021-06-10 20:55:37,838 INFO L130 PetriNetUnfolder]: For 263/366 co-relation queries the response was YES. [2021-06-10 20:55:37,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 954 conditions, 436 events. 189/436 cut-off events. For 263/366 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2368 event pairs, 59 based on Foata normal form. 6/426 useless extension candidates. Maximal degree in co-relation 942. Up to 230 conditions per place. [2021-06-10 20:55:37,842 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 1 selfloop transitions, 3 changer transitions 0/37 dead transitions. [2021-06-10 20:55:37,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 37 transitions, 155 flow [2021-06-10 20:55:37,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:55:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:55:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2021-06-10 20:55:37,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-06-10 20:55:37,844 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 568 transitions. [2021-06-10 20:55:37,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 568 transitions. [2021-06-10 20:55:37,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:37,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 568 transitions. [2021-06-10 20:55:37,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2021-06-10 20:55:37,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,847 INFO L185 Difference]: Start difference. First operand has 40 places, 37 transitions, 147 flow. Second operand 3 states and 568 transitions. [2021-06-10 20:55:37,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 37 transitions, 155 flow [2021-06-10 20:55:37,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 37 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 20:55:37,849 INFO L241 Difference]: Finished difference. Result has 42 places, 37 transitions, 153 flow [2021-06-10 20:55:37,849 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=42, PETRI_TRANSITIONS=37} [2021-06-10 20:55:37,849 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2021-06-10 20:55:37,849 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 37 transitions, 153 flow [2021-06-10 20:55:37,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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) [2021-06-10 20:55:37,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:37,850 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:37,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 20:55:37,850 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:37,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:37,850 INFO L82 PathProgramCache]: Analyzing trace with hash -548626718, now seen corresponding path program 1 times [2021-06-10 20:55:37,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:37,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278609216] [2021-06-10 20:55:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:37,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:37,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:37,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:37,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278609216] [2021-06-10 20:55:37,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:37,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-10 20:55:37,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788855914] [2021-06-10 20:55:37,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:55:37,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:37,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:55:37,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:55:37,885 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 220 [2021-06-10 20:55:37,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 153 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2021-06-10 20:55:37,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:37,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 220 [2021-06-10 20:55:37,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:37,930 INFO L129 PetriNetUnfolder]: 173/408 cut-off events. [2021-06-10 20:55:37,930 INFO L130 PetriNetUnfolder]: For 293/403 co-relation queries the response was YES. [2021-06-10 20:55:37,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1000 conditions, 408 events. 173/408 cut-off events. For 293/403 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2206 event pairs, 42 based on Foata normal form. 7/400 useless extension candidates. Maximal degree in co-relation 986. Up to 210 conditions per place. [2021-06-10 20:55:37,933 INFO L132 encePairwiseOnDemand]: 216/220 looper letters, 5 selfloop transitions, 5 changer transitions 0/41 dead transitions. [2021-06-10 20:55:37,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 41 transitions, 189 flow [2021-06-10 20:55:37,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:55:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:55:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2021-06-10 20:55:37,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2021-06-10 20:55:37,935 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 568 transitions. [2021-06-10 20:55:37,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 568 transitions. [2021-06-10 20:55:37,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:37,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 568 transitions. [2021-06-10 20:55:37,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2021-06-10 20:55:37,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,939 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:37,939 INFO L185 Difference]: Start difference. First operand has 42 places, 37 transitions, 153 flow. Second operand 3 states and 568 transitions. [2021-06-10 20:55:37,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 41 transitions, 189 flow [2021-06-10 20:55:37,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 41 transitions, 183 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 20:55:37,941 INFO L241 Difference]: Finished difference. Result has 43 places, 41 transitions, 188 flow [2021-06-10 20:55:37,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=43, PETRI_TRANSITIONS=41} [2021-06-10 20:55:37,941 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 1 predicate places. [2021-06-10 20:55:37,941 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 41 transitions, 188 flow [2021-06-10 20:55:37,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2021-06-10 20:55:37,942 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:37,942 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:37,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 20:55:37,942 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:37,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:37,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1508156297, now seen corresponding path program 1 times [2021-06-10 20:55:37,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:37,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939203093] [2021-06-10 20:55:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:37,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:37,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:37,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:37,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:37,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939203093] [2021-06-10 20:55:37,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:37,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 20:55:37,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895550698] [2021-06-10 20:55:37,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:55:37,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:37,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:55:37,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:55:37,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 220 [2021-06-10 20:55:37,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 41 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2021-06-10 20:55:37,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:37,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 220 [2021-06-10 20:55:37,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:38,035 INFO L129 PetriNetUnfolder]: 171/454 cut-off events. [2021-06-10 20:55:38,035 INFO L130 PetriNetUnfolder]: For 519/729 co-relation queries the response was YES. [2021-06-10 20:55:38,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 454 events. 171/454 cut-off events. For 519/729 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2719 event pairs, 46 based on Foata normal form. 14/453 useless extension candidates. Maximal degree in co-relation 1119. Up to 222 conditions per place. [2021-06-10 20:55:38,039 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 4 selfloop transitions, 6 changer transitions 0/41 dead transitions. [2021-06-10 20:55:38,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 41 transitions, 208 flow [2021-06-10 20:55:38,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:55:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:55:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2021-06-10 20:55:38,041 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8636363636363636 [2021-06-10 20:55:38,041 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 570 transitions. [2021-06-10 20:55:38,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 570 transitions. [2021-06-10 20:55:38,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:38,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 570 transitions. [2021-06-10 20:55:38,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 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) [2021-06-10 20:55:38,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:38,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:38,044 INFO L185 Difference]: Start difference. First operand has 43 places, 41 transitions, 188 flow. Second operand 3 states and 570 transitions. [2021-06-10 20:55:38,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 41 transitions, 208 flow [2021-06-10 20:55:38,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 203 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 20:55:38,046 INFO L241 Difference]: Finished difference. Result has 45 places, 41 transitions, 203 flow [2021-06-10 20:55:38,046 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2021-06-10 20:55:38,046 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 3 predicate places. [2021-06-10 20:55:38,047 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 203 flow [2021-06-10 20:55:38,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2021-06-10 20:55:38,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:38,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:38,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-10 20:55:38,047 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:38,048 INFO L82 PathProgramCache]: Analyzing trace with hash -213734450, now seen corresponding path program 1 times [2021-06-10 20:55:38,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:38,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25415148] [2021-06-10 20:55:38,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:38,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:38,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:38,091 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:55:38,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:38,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:38,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:38,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25415148] [2021-06-10 20:55:38,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:38,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 20:55:38,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832328896] [2021-06-10 20:55:38,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:55:38,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:38,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:55:38,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:55:38,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 220 [2021-06-10 20:55:38,102 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 203 flow. Second operand has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 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) [2021-06-10 20:55:38,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:38,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 220 [2021-06-10 20:55:38,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:38,409 INFO L129 PetriNetUnfolder]: 1527/2853 cut-off events. [2021-06-10 20:55:38,410 INFO L130 PetriNetUnfolder]: For 1139/1261 co-relation queries the response was YES. [2021-06-10 20:55:38,422 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6259 conditions, 2853 events. 1527/2853 cut-off events. For 1139/1261 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 22881 event pairs, 518 based on Foata normal form. 215/2496 useless extension candidates. Maximal degree in co-relation 6243. Up to 1453 conditions per place. [2021-06-10 20:55:38,437 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 10 selfloop transitions, 12 changer transitions 0/55 dead transitions. [2021-06-10 20:55:38,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 55 transitions, 275 flow [2021-06-10 20:55:38,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 20:55:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 20:55:38,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 909 transitions. [2021-06-10 20:55:38,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8263636363636364 [2021-06-10 20:55:38,440 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 909 transitions. [2021-06-10 20:55:38,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 909 transitions. [2021-06-10 20:55:38,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:38,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 909 transitions. [2021-06-10 20:55:38,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 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) [2021-06-10 20:55:38,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 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) [2021-06-10 20:55:38,444 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 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) [2021-06-10 20:55:38,444 INFO L185 Difference]: Start difference. First operand has 45 places, 41 transitions, 203 flow. Second operand 5 states and 909 transitions. [2021-06-10 20:55:38,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 55 transitions, 275 flow [2021-06-10 20:55:38,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 55 transitions, 265 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-10 20:55:38,448 INFO L241 Difference]: Finished difference. Result has 51 places, 51 transitions, 277 flow [2021-06-10 20:55:38,448 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=277, PETRI_PLACES=51, PETRI_TRANSITIONS=51} [2021-06-10 20:55:38,448 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 9 predicate places. [2021-06-10 20:55:38,448 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 51 transitions, 277 flow [2021-06-10 20:55:38,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 177.75) internal successors, (711), 4 states have internal predecessors, (711), 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) [2021-06-10 20:55:38,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:38,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:38,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-10 20:55:38,449 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:38,449 INFO L82 PathProgramCache]: Analyzing trace with hash 264744971, now seen corresponding path program 1 times [2021-06-10 20:55:38,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:38,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441126666] [2021-06-10 20:55:38,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:38,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:38,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:38,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:38,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:38,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441126666] [2021-06-10 20:55:38,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:38,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 20:55:38,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131372590] [2021-06-10 20:55:38,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 20:55:38,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:38,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 20:55:38,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 20:55:38,481 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 220 [2021-06-10 20:55:38,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 51 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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) [2021-06-10 20:55:38,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:38,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 220 [2021-06-10 20:55:38,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:38,834 INFO L129 PetriNetUnfolder]: 1757/3385 cut-off events. [2021-06-10 20:55:38,834 INFO L130 PetriNetUnfolder]: For 4527/6841 co-relation queries the response was YES. [2021-06-10 20:55:38,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9913 conditions, 3385 events. 1757/3385 cut-off events. For 4527/6841 co-relation queries the response was YES. Maximal size of possible extension queue 508. Compared 28569 event pairs, 770 based on Foata normal form. 107/2978 useless extension candidates. Maximal degree in co-relation 9893. Up to 2397 conditions per place. [2021-06-10 20:55:38,871 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 4 selfloop transitions, 6 changer transitions 0/51 dead transitions. [2021-06-10 20:55:38,871 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 51 transitions, 297 flow [2021-06-10 20:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 20:55:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 20:55:38,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2021-06-10 20:55:38,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8590909090909091 [2021-06-10 20:55:38,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2021-06-10 20:55:38,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2021-06-10 20:55:38,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:38,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2021-06-10 20:55:38,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2021-06-10 20:55:38,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:38,877 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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) [2021-06-10 20:55:38,877 INFO L185 Difference]: Start difference. First operand has 51 places, 51 transitions, 277 flow. Second operand 3 states and 567 transitions. [2021-06-10 20:55:38,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 51 transitions, 297 flow [2021-06-10 20:55:38,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 51 transitions, 297 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 20:55:38,896 INFO L241 Difference]: Finished difference. Result has 54 places, 51 transitions, 297 flow [2021-06-10 20:55:38,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=297, PETRI_PLACES=54, PETRI_TRANSITIONS=51} [2021-06-10 20:55:38,897 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 12 predicate places. [2021-06-10 20:55:38,897 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 51 transitions, 297 flow [2021-06-10 20:55:38,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 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) [2021-06-10 20:55:38,897 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:38,897 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:38,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-10 20:55:38,897 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:38,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:38,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1894026593, now seen corresponding path program 1 times [2021-06-10 20:55:38,898 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:38,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459704658] [2021-06-10 20:55:38,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:38,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:38,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:38,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:38,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:38,948 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:55:38,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:38,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:38,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:38,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459704658] [2021-06-10 20:55:38,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:38,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 20:55:38,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245991064] [2021-06-10 20:55:38,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-10 20:55:38,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:38,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-10 20:55:38,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-10 20:55:38,962 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 220 [2021-06-10 20:55:38,963 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 51 transitions, 297 flow. Second operand has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 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) [2021-06-10 20:55:38,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:38,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 220 [2021-06-10 20:55:38,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:39,367 INFO L129 PetriNetUnfolder]: 1826/3583 cut-off events. [2021-06-10 20:55:39,368 INFO L130 PetriNetUnfolder]: For 5969/15352 co-relation queries the response was YES. [2021-06-10 20:55:39,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13453 conditions, 3583 events. 1826/3583 cut-off events. For 5969/15352 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 30499 event pairs, 215 based on Foata normal form. 967/4101 useless extension candidates. Maximal degree in co-relation 13431. Up to 2534 conditions per place. [2021-06-10 20:55:39,410 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 10 selfloop transitions, 22 changer transitions 0/65 dead transitions. [2021-06-10 20:55:39,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 65 transitions, 442 flow [2021-06-10 20:55:39,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-10 20:55:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-10 20:55:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1273 transitions. [2021-06-10 20:55:39,413 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8266233766233766 [2021-06-10 20:55:39,414 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1273 transitions. [2021-06-10 20:55:39,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1273 transitions. [2021-06-10 20:55:39,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:39,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1273 transitions. [2021-06-10 20:55:39,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 181.85714285714286) internal successors, (1273), 7 states have internal predecessors, (1273), 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) [2021-06-10 20:55:39,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 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) [2021-06-10 20:55:39,421 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 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) [2021-06-10 20:55:39,421 INFO L185 Difference]: Start difference. First operand has 54 places, 51 transitions, 297 flow. Second operand 7 states and 1273 transitions. [2021-06-10 20:55:39,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 65 transitions, 442 flow [2021-06-10 20:55:39,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 65 transitions, 432 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-10 20:55:39,452 INFO L241 Difference]: Finished difference. Result has 62 places, 61 transitions, 435 flow [2021-06-10 20:55:39,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=435, PETRI_PLACES=62, PETRI_TRANSITIONS=61} [2021-06-10 20:55:39,453 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 20 predicate places. [2021-06-10 20:55:39,453 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 61 transitions, 435 flow [2021-06-10 20:55:39,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 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) [2021-06-10 20:55:39,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:39,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:39,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-10 20:55:39,453 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:39,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:39,454 INFO L82 PathProgramCache]: Analyzing trace with hash -987484645, now seen corresponding path program 1 times [2021-06-10 20:55:39,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:39,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446293404] [2021-06-10 20:55:39,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:39,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:39,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:39,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:39,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:39,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:39,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:39,562 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-10 20:55:39,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-10 20:55:39,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:39,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:39,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446293404] [2021-06-10 20:55:39,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:39,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-10 20:55:39,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985179271] [2021-06-10 20:55:39,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 20:55:39,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:39,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 20:55:39,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-10 20:55:39,574 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 220 [2021-06-10 20:55:39,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 61 transitions, 435 flow. Second operand has 6 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 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) [2021-06-10 20:55:39,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:39,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 220 [2021-06-10 20:55:39,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:39,963 INFO L129 PetriNetUnfolder]: 1605/3231 cut-off events. [2021-06-10 20:55:39,964 INFO L130 PetriNetUnfolder]: For 17783/45494 co-relation queries the response was YES. [2021-06-10 20:55:39,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17143 conditions, 3231 events. 1605/3231 cut-off events. For 17783/45494 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 27545 event pairs, 53 based on Foata normal form. 1422/4231 useless extension candidates. Maximal degree in co-relation 17117. Up to 2366 conditions per place. [2021-06-10 20:55:40,001 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 6 selfloop transitions, 32 changer transitions 4/75 dead transitions. [2021-06-10 20:55:40,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 75 transitions, 653 flow [2021-06-10 20:55:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 20:55:40,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 20:55:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1637 transitions. [2021-06-10 20:55:40,006 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8267676767676768 [2021-06-10 20:55:40,006 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1637 transitions. [2021-06-10 20:55:40,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1637 transitions. [2021-06-10 20:55:40,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:40,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1637 transitions. [2021-06-10 20:55:40,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 181.88888888888889) internal successors, (1637), 9 states have internal predecessors, (1637), 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) [2021-06-10 20:55:40,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 220.0) internal successors, (2200), 10 states have internal predecessors, (2200), 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) [2021-06-10 20:55:40,013 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 220.0) internal successors, (2200), 10 states have internal predecessors, (2200), 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) [2021-06-10 20:55:40,013 INFO L185 Difference]: Start difference. First operand has 62 places, 61 transitions, 435 flow. Second operand 9 states and 1637 transitions. [2021-06-10 20:55:40,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 75 transitions, 653 flow [2021-06-10 20:55:40,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 75 transitions, 598 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-06-10 20:55:40,222 INFO L241 Difference]: Finished difference. Result has 70 places, 71 transitions, 577 flow [2021-06-10 20:55:40,222 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=577, PETRI_PLACES=70, PETRI_TRANSITIONS=71} [2021-06-10 20:55:40,222 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 28 predicate places. [2021-06-10 20:55:40,222 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 71 transitions, 577 flow [2021-06-10 20:55:40,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 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) [2021-06-10 20:55:40,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:40,223 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] [2021-06-10 20:55:40,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-10 20:55:40,223 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:40,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:40,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1748783764, now seen corresponding path program 1 times [2021-06-10 20:55:40,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:40,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331946050] [2021-06-10 20:55:40,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:40,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:40,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:40,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:40,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:40,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:40,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:40,314 INFO L142 QuantifierPusher]: treesize reduction 19, result has 32.1 percent of original size [2021-06-10 20:55:40,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 20:55:40,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:40,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:40,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:40,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331946050] [2021-06-10 20:55:40,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:40,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 20:55:40,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729443960] [2021-06-10 20:55:40,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 20:55:40,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:40,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 20:55:40,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-10 20:55:40,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 220 [2021-06-10 20:55:40,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 71 transitions, 577 flow. Second operand has 7 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 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) [2021-06-10 20:55:40,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:40,327 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 220 [2021-06-10 20:55:40,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:40,818 INFO L129 PetriNetUnfolder]: 1476/3023 cut-off events. [2021-06-10 20:55:40,818 INFO L130 PetriNetUnfolder]: For 22274/42415 co-relation queries the response was YES. [2021-06-10 20:55:40,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17455 conditions, 3023 events. 1476/3023 cut-off events. For 22274/42415 co-relation queries the response was YES. Maximal size of possible extension queue 512. Compared 26166 event pairs, 36 based on Foata normal form. 1152/3760 useless extension candidates. Maximal degree in co-relation 17426. Up to 1594 conditions per place. [2021-06-10 20:55:40,853 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 2 selfloop transitions, 37 changer transitions 10/77 dead transitions. [2021-06-10 20:55:40,853 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 77 transitions, 731 flow [2021-06-10 20:55:40,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-10 20:55:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-10 20:55:40,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1993 transitions. [2021-06-10 20:55:40,858 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8235537190082645 [2021-06-10 20:55:40,858 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1993 transitions. [2021-06-10 20:55:40,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1993 transitions. [2021-06-10 20:55:40,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:40,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1993 transitions. [2021-06-10 20:55:40,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 181.1818181818182) internal successors, (1993), 11 states have internal predecessors, (1993), 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) [2021-06-10 20:55:40,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 220.0) internal successors, (2640), 12 states have internal predecessors, (2640), 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) [2021-06-10 20:55:40,868 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 220.0) internal successors, (2640), 12 states have internal predecessors, (2640), 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) [2021-06-10 20:55:40,868 INFO L185 Difference]: Start difference. First operand has 70 places, 71 transitions, 577 flow. Second operand 11 states and 1993 transitions. [2021-06-10 20:55:40,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 77 transitions, 731 flow [2021-06-10 20:55:41,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 77 transitions, 613 flow, removed 37 selfloop flow, removed 6 redundant places. [2021-06-10 20:55:41,251 INFO L241 Difference]: Finished difference. Result has 77 places, 67 transitions, 526 flow [2021-06-10 20:55:41,251 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=526, PETRI_PLACES=77, PETRI_TRANSITIONS=67} [2021-06-10 20:55:41,251 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 35 predicate places. [2021-06-10 20:55:41,251 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 67 transitions, 526 flow [2021-06-10 20:55:41,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 177.85714285714286) internal successors, (1245), 7 states have internal predecessors, (1245), 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) [2021-06-10 20:55:41,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:41,252 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:41,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-10 20:55:41,252 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:41,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:41,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1240243733, now seen corresponding path program 1 times [2021-06-10 20:55:41,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:41,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209819102] [2021-06-10 20:55:41,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:41,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:41,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:41,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:41,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:41,301 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-06-10 20:55:41,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-10 20:55:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:41,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209819102] [2021-06-10 20:55:41,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:41,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 20:55:41,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328034289] [2021-06-10 20:55:41,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:55:41,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:41,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:55:41,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:55:41,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 220 [2021-06-10 20:55:41,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 67 transitions, 526 flow. Second operand has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 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) [2021-06-10 20:55:41,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:41,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 220 [2021-06-10 20:55:41,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:41,556 INFO L129 PetriNetUnfolder]: 1110/2324 cut-off events. [2021-06-10 20:55:41,556 INFO L130 PetriNetUnfolder]: For 9122/10587 co-relation queries the response was YES. [2021-06-10 20:55:41,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10318 conditions, 2324 events. 1110/2324 cut-off events. For 9122/10587 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 19405 event pairs, 26 based on Foata normal form. 7/2026 useless extension candidates. Maximal degree in co-relation 10287. Up to 752 conditions per place. [2021-06-10 20:55:41,578 INFO L132 encePairwiseOnDemand]: 210/220 looper letters, 18 selfloop transitions, 24 changer transitions 0/89 dead transitions. [2021-06-10 20:55:41,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 89 transitions, 734 flow [2021-06-10 20:55:41,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 20:55:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 20:55:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 869 transitions. [2021-06-10 20:55:41,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.79 [2021-06-10 20:55:41,581 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 869 transitions. [2021-06-10 20:55:41,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 869 transitions. [2021-06-10 20:55:41,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:41,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 869 transitions. [2021-06-10 20:55:41,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 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) [2021-06-10 20:55:41,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 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) [2021-06-10 20:55:41,585 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 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) [2021-06-10 20:55:41,585 INFO L185 Difference]: Start difference. First operand has 77 places, 67 transitions, 526 flow. Second operand 5 states and 869 transitions. [2021-06-10 20:55:41,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 89 transitions, 734 flow [2021-06-10 20:55:41,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 89 transitions, 600 flow, removed 26 selfloop flow, removed 12 redundant places. [2021-06-10 20:55:41,836 INFO L241 Difference]: Finished difference. Result has 71 places, 84 transitions, 600 flow [2021-06-10 20:55:41,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=600, PETRI_PLACES=71, PETRI_TRANSITIONS=84} [2021-06-10 20:55:41,837 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 29 predicate places. [2021-06-10 20:55:41,837 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 84 transitions, 600 flow [2021-06-10 20:55:41,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 170.5) internal successors, (682), 4 states have internal predecessors, (682), 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) [2021-06-10 20:55:41,838 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:41,838 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:41,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-10 20:55:41,838 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:41,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:41,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1251185081, now seen corresponding path program 2 times [2021-06-10 20:55:41,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:41,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028626487] [2021-06-10 20:55:41,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 20:55:41,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:41,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 20:55:41,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:41,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:41,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 20:55:41,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 20:55:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 20:55:41,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028626487] [2021-06-10 20:55:41,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 20:55:41,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 20:55:41,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101534237] [2021-06-10 20:55:41,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 20:55:41,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 20:55:41,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 20:55:41,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 20:55:41,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 220 [2021-06-10 20:55:41,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 84 transitions, 600 flow. Second operand has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-06-10 20:55:41,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 20:55:41,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 220 [2021-06-10 20:55:41,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 20:55:42,164 INFO L129 PetriNetUnfolder]: 1437/2989 cut-off events. [2021-06-10 20:55:42,165 INFO L130 PetriNetUnfolder]: For 5967/6243 co-relation queries the response was YES. [2021-06-10 20:55:42,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11293 conditions, 2989 events. 1437/2989 cut-off events. For 5967/6243 co-relation queries the response was YES. Maximal size of possible extension queue 568. Compared 26210 event pairs, 28 based on Foata normal form. 2/2625 useless extension candidates. Maximal degree in co-relation 11264. Up to 976 conditions per place. [2021-06-10 20:55:42,183 INFO L132 encePairwiseOnDemand]: 217/220 looper letters, 3 selfloop transitions, 1 changer transitions 22/84 dead transitions. [2021-06-10 20:55:42,184 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 84 transitions, 616 flow [2021-06-10 20:55:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-10 20:55:42,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-10 20:55:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 746 transitions. [2021-06-10 20:55:42,186 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8477272727272728 [2021-06-10 20:55:42,186 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 746 transitions. [2021-06-10 20:55:42,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 746 transitions. [2021-06-10 20:55:42,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 20:55:42,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 746 transitions. [2021-06-10 20:55:42,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 186.5) internal successors, (746), 4 states have internal predecessors, (746), 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) [2021-06-10 20:55:42,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 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) [2021-06-10 20:55:42,190 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 220.0) internal successors, (1100), 5 states have internal predecessors, (1100), 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) [2021-06-10 20:55:42,190 INFO L185 Difference]: Start difference. First operand has 71 places, 84 transitions, 600 flow. Second operand 4 states and 746 transitions. [2021-06-10 20:55:42,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 84 transitions, 616 flow [2021-06-10 20:55:42,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 84 transitions, 616 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 20:55:42,465 INFO L241 Difference]: Finished difference. Result has 75 places, 62 transitions, 420 flow [2021-06-10 20:55:42,466 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=420, PETRI_PLACES=75, PETRI_TRANSITIONS=62} [2021-06-10 20:55:42,466 INFO L343 CegarLoopForPetriNet]: 42 programPoint places, 33 predicate places. [2021-06-10 20:55:42,466 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 62 transitions, 420 flow [2021-06-10 20:55:42,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 186.0) internal successors, (744), 4 states have internal predecessors, (744), 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) [2021-06-10 20:55:42,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 20:55:42,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 20:55:42,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-10 20:55:42,467 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 20:55:42,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 20:55:42,467 INFO L82 PathProgramCache]: Analyzing trace with hash -668809331, now seen corresponding path program 3 times [2021-06-10 20:55:42,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 20:55:42,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751943365] [2021-06-10 20:55:42,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 20:55:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 20:55:42,506 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 20:55:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 20:55:42,538 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 20:55:42,576 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 20:55:42,576 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 20:55:42,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-10 20:55:42,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 08:55:42 BasicIcfg [2021-06-10 20:55:42,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 20:55:42,667 INFO L168 Benchmark]: Toolchain (without parser) took 14688.51 ms. Allocated memory was 369.1 MB in the beginning and 742.4 MB in the end (delta: 373.3 MB). Free memory was 331.3 MB in the beginning and 471.6 MB in the end (delta: -140.3 MB). Peak memory consumption was 234.8 MB. Max. memory is 16.0 GB. [2021-06-10 20:55:42,667 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 369.1 MB. Free memory was 349.5 MB in the beginning and 349.5 MB in the end (delta: 72.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 20:55:42,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.17 ms. Allocated memory is still 369.1 MB. Free memory was 331.1 MB in the beginning and 328.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-06-10 20:55:42,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.27 ms. Allocated memory is still 369.1 MB. Free memory was 328.0 MB in the beginning and 325.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:55:42,668 INFO L168 Benchmark]: Boogie Preprocessor took 29.00 ms. Allocated memory is still 369.1 MB. Free memory was 325.0 MB in the beginning and 322.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 20:55:42,668 INFO L168 Benchmark]: RCFGBuilder took 1611.32 ms. Allocated memory is still 369.1 MB. Free memory was 322.9 MB in the beginning and 282.2 MB in the end (delta: 40.7 MB). Peak memory consumption was 120.2 MB. Max. memory is 16.0 GB. [2021-06-10 20:55:42,668 INFO L168 Benchmark]: TraceAbstraction took 12415.84 ms. Allocated memory was 369.1 MB in the beginning and 742.4 MB in the end (delta: 373.3 MB). Free memory was 282.2 MB in the beginning and 471.6 MB in the end (delta: -189.4 MB). Peak memory consumption was 184.9 MB. Max. memory is 16.0 GB. [2021-06-10 20:55:42,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 369.1 MB. Free memory was 349.5 MB in the beginning and 349.5 MB in the end (delta: 72.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 563.17 ms. Allocated memory is still 369.1 MB. Free memory was 331.1 MB in the beginning and 328.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.27 ms. Allocated memory is still 369.1 MB. Free memory was 328.0 MB in the beginning and 325.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 29.00 ms. Allocated memory is still 369.1 MB. Free memory was 325.0 MB in the beginning and 322.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1611.32 ms. Allocated memory is still 369.1 MB. Free memory was 322.9 MB in the beginning and 282.2 MB in the end (delta: 40.7 MB). Peak memory consumption was 120.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 12415.84 ms. Allocated memory was 369.1 MB in the beginning and 742.4 MB in the end (delta: 373.3 MB). Free memory was 282.2 MB in the beginning and 471.6 MB in the end (delta: -189.4 MB). Peak memory consumption was 184.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6514.2ms, 123 PlacesBefore, 42 PlacesAfterwards, 112 TransitionsBefore, 30 TransitionsAfterwards, 2488 CoEnabledTransitionPairs, 8 FixpointIterations, 41 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 104 TotalNumberOfCompositions, 6477 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3578, positive: 3396, positive conditional: 0, positive unconditional: 3396, negative: 182, negative conditional: 0, negative unconditional: 182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1911, positive: 1847, positive conditional: 0, positive unconditional: 1847, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1911, positive: 1847, positive conditional: 0, positive unconditional: 1847, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1911, positive: 1825, positive conditional: 0, positive unconditional: 1825, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 582, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 512, negative conditional: 0, negative unconditional: 512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3578, positive: 1549, positive conditional: 0, positive unconditional: 1549, negative: 118, negative conditional: 0, negative unconditional: 118, unknown: 1911, unknown conditional: 0, unknown unconditional: 1911] , Statistics on independence cache: Total cache size (in pairs): 3673, Positive cache size: 3614, Positive conditional cache size: 0, Positive unconditional cache size: 3614, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p2_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L854] 0 pthread_t t1085; [L855] FCALL, FORK 0 pthread_create(&t1085, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L856] 0 pthread_t t1086; [L857] FCALL, FORK 0 pthread_create(&t1086, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t1087; [L859] FCALL, FORK 0 pthread_create(&t1087, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t1088; [L861] FCALL, FORK 0 pthread_create(&t1088, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 z$w_buff1 = z$w_buff0 [L811] 4 z$w_buff0 = 1 [L812] 4 z$w_buff1_used = z$w_buff0_used [L813] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L815] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L816] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L817] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L818] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L819] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L820] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 a = 1 [L826] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L829] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L767] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L782] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 3 z$flush_delayed = weak$$choice2 [L788] 3 z$mem_tmp = z [L789] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L789] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 __unbuffered_p2_EAX = z [L797] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L797] 3 z = z$flush_delayed ? z$mem_tmp : z [L798] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L805] 3 return 0; [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L832] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L833] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L833] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L834] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L835] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L836] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L839] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 4 return 0; [L863] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L867] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L867] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L868] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L868] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L869] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L870] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L871] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L874] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 12222.0ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 4484.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6585.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 68 SDtfs, 37 SDslu, 22 SDs, 0 SdLazy, 222 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 234.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 175.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=600occurred in iteration=12, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 39.6ms SsaConstructionTime, 378.9ms SatisfiabilityAnalysisTime, 489.2ms InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...