/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi001_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:59:04,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:59:04,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:59:04,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:59:04,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:59:04,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:59:04,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:59:04,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:59:04,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:59:04,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:59:04,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:59:04,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:59:04,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:59:04,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:59:04,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:59:04,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:59:04,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:59:04,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:59:04,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:59:04,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:59:04,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:59:04,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:59:04,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:59:04,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:59:04,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 22:59:04,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 22:59:04,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 22:59:04,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 22:59:04,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 22:59:04,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 22:59:04,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:59:04,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:59:04,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:59:04,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:59:04,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:59:04,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:59:04,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:59:04,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:59:04,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:59:04,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:59:04,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:59:04,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:59:04,593 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:59:04,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:59:04,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:59:04,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:59:04,597 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:59:04,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:59:04,597 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:59:04,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:59:04,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:59:04,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:59:04,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:59:04,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:59:04,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:59:04,599 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:59:04,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:59:04,599 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:59:04,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:59:04,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:59:04,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:59:04,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:59:04,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:59:04,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:59:04,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:59:04,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:59:04,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:59:04,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:59:04,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:59:04,602 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:59:04,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:59:04,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:59:04,603 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:59:05,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:59:05,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:59:05,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:59:05,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:59:05,178 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:59:05,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi001_tso.opt.i [2021-04-28 22:59:05,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfba77907/2c2e2f1089704361b315b0c18e840223/FLAG8ce507538 [2021-04-28 22:59:06,239 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:59:06,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi001_tso.opt.i [2021-04-28 22:59:06,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfba77907/2c2e2f1089704361b315b0c18e840223/FLAG8ce507538 [2021-04-28 22:59:06,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfba77907/2c2e2f1089704361b315b0c18e840223 [2021-04-28 22:59:06,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:59:06,518 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:59:06,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:59:06,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:59:06,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:59:06,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:59:06" (1/1) ... [2021-04-28 22:59:06,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959bcfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:06, skipping insertion in model container [2021-04-28 22:59:06,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:59:06" (1/1) ... [2021-04-28 22:59:06,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:59:06,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:59:07,006 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/rfi001_tso.opt.i[948,961] [2021-04-28 22:59:07,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:59:07,378 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:59:07,403 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/rfi001_tso.opt.i[948,961] [2021-04-28 22:59:07,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:59:07,677 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:59:07,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07 WrapperNode [2021-04-28 22:59:07,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:59:07,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:59:07,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:59:07,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:59:07,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:59:07,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:59:07,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:59:07,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:59:07,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... [2021-04-28 22:59:07,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:59:07,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:59:07,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:59:07,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:59:07,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:59:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:59:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:59:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:59:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:59:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:59:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:59:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:59:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:59:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:59:08,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:59:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:59:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:59:08,056 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:59:10,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:59:10,986 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:59:10,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:59:10 BoogieIcfgContainer [2021-04-28 22:59:10,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:59:10,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:59:10,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:59:10,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:59:10,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:59:06" (1/3) ... [2021-04-28 22:59:10,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b27935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:59:10, skipping insertion in model container [2021-04-28 22:59:10,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:59:07" (2/3) ... [2021-04-28 22:59:10,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b27935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:59:10, skipping insertion in model container [2021-04-28 22:59:10,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:59:10" (3/3) ... [2021-04-28 22:59:11,001 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi001_tso.opt.i [2021-04-28 22:59:11,015 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:59:11,024 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:59:11,026 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:59:11,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,075 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,075 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,075 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,076 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,076 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,077 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,077 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,080 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,083 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,084 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,084 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,084 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,086 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,086 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,086 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,087 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,088 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,096 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,096 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,096 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,096 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,097 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,098 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,101 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,102 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,103 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,104 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:59:11,105 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:59:11,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 22:59:11,175 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:59:11,175 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:59:11,175 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:59:11,175 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:59:11,176 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:59:11,176 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:59:11,176 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:59:11,176 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:59:11,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 22:59:11,249 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 22:59:11,250 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:59:11,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 22:59:11,256 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 84 transitions, 178 flow [2021-04-28 22:59:11,264 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 82 transitions, 170 flow [2021-04-28 22:59:11,267 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:59:11,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 22:59:11,295 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 82 transitions, 170 flow [2021-04-28 22:59:11,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 170 flow [2021-04-28 22:59:11,323 INFO L129 PetriNetUnfolder]: 2/82 cut-off events. [2021-04-28 22:59:11,323 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:59:11,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2021-04-28 22:59:11,329 INFO L146 LiptonReduction]: Number of co-enabled transitions 1046 [2021-04-28 22:59:16,164 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:59:16,831 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 22:59:19,594 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 22:59:20,875 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 22:59:21,236 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:59:21,352 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 22:59:21,931 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:59:22,199 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:59:24,576 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 22:59:25,175 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 22:59:27,771 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 22:59:28,902 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 22:59:30,153 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 22:59:30,727 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 22:59:33,287 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 22:59:34,515 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 22:59:35,772 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 22:59:36,326 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 22:59:39,100 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 22:59:40,334 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:59:42,912 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 22:59:43,602 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 22:59:46,583 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 313 DAG size of output: 268 [2021-04-28 22:59:47,863 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 22:59:49,389 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 22:59:50,065 WARN L205 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 22:59:53,039 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 22:59:54,423 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 22:59:56,039 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 22:59:56,760 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 23:00:00,044 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:00:01,565 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:00:03,299 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:00:04,115 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:00:07,897 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:00:09,617 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:00:12,051 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:00:12,270 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:00:12,513 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:00:12,739 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:00:13,000 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:00:13,279 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:00:13,539 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 23:00:13,810 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 23:00:14,092 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 23:00:14,378 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 23:00:17,479 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 23:00:18,404 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 23:00:22,891 WARN L205 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:00:24,806 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:00:26,933 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 23:00:27,882 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:00:32,347 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:00:34,402 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:00:36,681 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 23:00:37,689 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 23:00:42,189 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 23:00:44,354 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 23:00:45,504 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:00:45,798 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:00:46,182 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 23:00:46,310 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:00:46,601 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 23:00:46,732 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:00:47,015 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:00:47,145 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:00:47,466 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:00:47,585 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:00:47,832 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:00:47,955 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:00:48,211 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:00:48,326 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:00:50,117 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:00:50,282 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:00:50,436 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:00:50,585 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:00:51,088 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:00:51,224 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:00:51,374 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:00:51,520 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:00:52,578 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:00:52,692 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:00:52,995 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:00:53,137 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:00:53,432 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:00:53,540 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:00:53,800 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:00:53,924 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:00:54,235 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 23:00:54,388 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:00:54,740 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 23:00:54,886 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:00:55,155 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:00:55,282 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-28 23:00:55,521 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:00:55,922 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 23:00:56,078 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:00:56,412 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 23:00:56,567 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:00:56,927 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:00:57,233 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:00:57,592 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:00:57,909 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:00:58,084 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:00:58,276 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:00:58,479 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:00:58,678 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:00:58,876 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:00:59,058 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:00:59,241 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:00:59,448 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:00:59,753 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:01:00,023 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:01:00,323 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:01:00,641 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:01:00,980 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:01,336 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:01,656 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:01,978 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:02,288 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:02,631 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:03,005 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:03,360 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:03,530 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:01:03,695 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:01:03,877 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:01:04,048 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:01:04,232 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:01:04,417 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:01:04,591 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:01:04,772 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:01:05,723 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 23:01:06,199 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 23:01:07,193 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-04-28 23:01:07,657 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 23:01:08,612 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 23:01:09,058 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 23:01:09,881 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-04-28 23:01:10,349 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-28 23:01:10,563 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:01:10,788 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:01:11,018 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:01:11,243 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:01:11,414 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:01:11,604 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:01:11,796 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:01:12,018 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:01:12,190 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:01:12,366 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:01:12,545 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:01:12,726 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:01:13,048 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:13,368 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:13,671 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:13,975 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:01:14,187 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:01:14,394 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:01:14,602 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:01:14,806 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:01:15,061 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:01:15,315 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:01:15,575 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:01:15,840 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:01:16,153 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:16,456 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:16,778 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:17,084 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:17,329 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:01:17,571 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:01:17,816 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:01:18,055 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:01:18,289 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:01:18,514 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:01:18,725 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:01:18,949 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:01:19,248 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:01:19,540 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:01:19,824 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:01:20,122 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:01:20,361 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:01:20,604 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:01:20,850 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:01:21,087 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:01:21,376 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:21,675 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:21,956 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:22,218 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:01:22,406 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:01:22,599 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:01:22,791 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:01:22,979 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:01:23,021 INFO L158 LiptonReduction]: Checked pairs total: 9587 [2021-04-28 23:01:23,021 INFO L160 LiptonReduction]: Total number of compositions: 193 [2021-04-28 23:01:23,025 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131761 [2021-04-28 23:01:23,048 INFO L129 PetriNetUnfolder]: 2/72 cut-off events. [2021-04-28 23:01:23,049 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:01:23,049 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:23,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:01:23,050 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:23,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:23,056 INFO L82 PathProgramCache]: Analyzing trace with hash 987952830, now seen corresponding path program 1 times [2021-04-28 23:01:23,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:23,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734155505] [2021-04-28 23:01:23,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:01:23,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:23,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:01:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:01:23,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734155505] [2021-04-28 23:01:23,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:01:23,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:01:23,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988715389] [2021-04-28 23:01:23,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:01:23,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:01:23,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:01:23,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:01:23,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 277 [2021-04-28 23:01:23,412 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 108 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:23,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:01:23,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 277 [2021-04-28 23:01:23,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:01:24,006 INFO L129 PetriNetUnfolder]: 212/640 cut-off events. [2021-04-28 23:01:24,007 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:01:24,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 640 events. 212/640 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 4942 event pairs, 16 based on Foata normal form. 10/298 useless extension candidates. Maximal degree in co-relation 976. Up to 333 conditions per place. [2021-04-28 23:01:24,012 INFO L132 encePairwiseOnDemand]: 259/277 looper letters, 7 selfloop transitions, 4 changer transitions 84/120 dead transitions. [2021-04-28 23:01:24,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 120 transitions, 344 flow [2021-04-28 23:01:24,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:01:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:01:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2021-04-28 23:01:24,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8086642599277978 [2021-04-28 23:01:24,036 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2021-04-28 23:01:24,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2021-04-28 23:01:24,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:01:24,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2021-04-28 23:01:24,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:24,063 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:24,065 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:24,067 INFO L185 Difference]: Start difference. First operand has 113 places, 108 transitions, 222 flow. Second operand 3 states and 672 transitions. [2021-04-28 23:01:24,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 120 transitions, 344 flow [2021-04-28 23:01:24,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 120 transitions, 342 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:01:24,076 INFO L241 Difference]: Finished difference. Result has 110 places, 33 transitions, 78 flow [2021-04-28 23:01:24,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=110, PETRI_TRANSITIONS=33} [2021-04-28 23:01:24,080 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -3 predicate places. [2021-04-28 23:01:24,080 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:24,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 33 transitions, 78 flow [2021-04-28 23:01:24,082 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 33 transitions, 78 flow [2021-04-28 23:01:24,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 78 flow [2021-04-28 23:01:24,088 INFO L129 PetriNetUnfolder]: 0/33 cut-off events. [2021-04-28 23:01:24,088 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:01:24,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 105 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 23:01:24,089 INFO L146 LiptonReduction]: Number of co-enabled transitions 576 [2021-04-28 23:01:24,742 INFO L158 LiptonReduction]: Checked pairs total: 498 [2021-04-28 23:01:24,742 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:01:24,743 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 663 [2021-04-28 23:01:24,744 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 78 flow [2021-04-28 23:01:24,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:24,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:24,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:01:24,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:01:24,746 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:24,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:24,747 INFO L82 PathProgramCache]: Analyzing trace with hash 234995219, now seen corresponding path program 1 times [2021-04-28 23:01:24,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:24,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755941658] [2021-04-28 23:01:24,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:01:24,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:24,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:01:25,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:25,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:01:25,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:01:25,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755941658] [2021-04-28 23:01:25,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:01:25,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:01:25,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559752841] [2021-04-28 23:01:25,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:01:25,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:01:25,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:01:25,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:01:25,037 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 277 [2021-04-28 23:01:25,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:01:25,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 277 [2021-04-28 23:01:25,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:01:25,203 INFO L129 PetriNetUnfolder]: 44/134 cut-off events. [2021-04-28 23:01:25,203 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-28 23:01:25,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 134 events. 44/134 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 589 event pairs, 30 based on Foata normal form. 4/96 useless extension candidates. Maximal degree in co-relation 242. Up to 75 conditions per place. [2021-04-28 23:01:25,206 INFO L132 encePairwiseOnDemand]: 271/277 looper letters, 10 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2021-04-28 23:01:25,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 41 transitions, 134 flow [2021-04-28 23:01:25,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:01:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:01:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 697 transitions. [2021-04-28 23:01:25,213 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6290613718411552 [2021-04-28 23:01:25,213 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 697 transitions. [2021-04-28 23:01:25,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 697 transitions. [2021-04-28 23:01:25,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:01:25,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 697 transitions. [2021-04-28 23:01:25,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 174.25) internal successors, (697), 4 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 277.0) internal successors, (1385), 5 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,221 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 277.0) internal successors, (1385), 5 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,221 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 78 flow. Second operand 4 states and 697 transitions. [2021-04-28 23:01:25,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 41 transitions, 134 flow [2021-04-28 23:01:25,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 41 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:01:25,223 INFO L241 Difference]: Finished difference. Result has 43 places, 39 transitions, 120 flow [2021-04-28 23:01:25,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=43, PETRI_TRANSITIONS=39} [2021-04-28 23:01:25,224 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -70 predicate places. [2021-04-28 23:01:25,224 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:25,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 39 transitions, 120 flow [2021-04-28 23:01:25,225 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 39 transitions, 120 flow [2021-04-28 23:01:25,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 39 transitions, 120 flow [2021-04-28 23:01:25,235 INFO L129 PetriNetUnfolder]: 7/64 cut-off events. [2021-04-28 23:01:25,236 INFO L130 PetriNetUnfolder]: For 6/9 co-relation queries the response was YES. [2021-04-28 23:01:25,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 64 events. 7/64 cut-off events. For 6/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 258 event pairs, 2 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 99. Up to 16 conditions per place. [2021-04-28 23:01:25,237 INFO L146 LiptonReduction]: Number of co-enabled transitions 692 [2021-04-28 23:01:25,500 INFO L158 LiptonReduction]: Checked pairs total: 361 [2021-04-28 23:01:25,501 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:01:25,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 277 [2021-04-28 23:01:25,503 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 39 transitions, 120 flow [2021-04-28 23:01:25,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 170.75) internal successors, (683), 4 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:25,504 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:01:25,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:01:25,504 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:25,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:25,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1804119195, now seen corresponding path program 1 times [2021-04-28 23:01:25,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:25,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285696752] [2021-04-28 23:01:25,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:01:25,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:25,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:01:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:01:25,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285696752] [2021-04-28 23:01:25,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:01:25,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:01:25,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450303698] [2021-04-28 23:01:25,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:01:25,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:01:25,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:01:25,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:01:25,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 277 [2021-04-28 23:01:25,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 39 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:01:25,614 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 277 [2021-04-28 23:01:25,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:01:25,639 INFO L129 PetriNetUnfolder]: 5/49 cut-off events. [2021-04-28 23:01:25,640 INFO L130 PetriNetUnfolder]: For 25/28 co-relation queries the response was YES. [2021-04-28 23:01:25,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 49 events. 5/49 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 185 event pairs, 1 based on Foata normal form. 4/33 useless extension candidates. Maximal degree in co-relation 82. Up to 11 conditions per place. [2021-04-28 23:01:25,643 INFO L132 encePairwiseOnDemand]: 274/277 looper letters, 1 selfloop transitions, 2 changer transitions 5/39 dead transitions. [2021-04-28 23:01:25,643 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 39 transitions, 126 flow [2021-04-28 23:01:25,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:01:25,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:01:25,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-04-28 23:01:25,648 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7160048134777377 [2021-04-28 23:01:25,648 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-04-28 23:01:25,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-04-28 23:01:25,649 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:01:25,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-04-28 23:01:25,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,654 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 277.0) internal successors, (1108), 4 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,654 INFO L185 Difference]: Start difference. First operand has 43 places, 39 transitions, 120 flow. Second operand 3 states and 595 transitions. [2021-04-28 23:01:25,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 39 transitions, 126 flow [2021-04-28 23:01:25,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 39 transitions, 126 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:01:25,657 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 106 flow [2021-04-28 23:01:25,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-04-28 23:01:25,658 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -67 predicate places. [2021-04-28 23:01:25,658 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:25,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 106 flow [2021-04-28 23:01:25,659 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 106 flow [2021-04-28 23:01:25,660 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 34 transitions, 106 flow [2021-04-28 23:01:25,673 INFO L129 PetriNetUnfolder]: 2/45 cut-off events. [2021-04-28 23:01:25,673 INFO L130 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2021-04-28 23:01:25,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 45 events. 2/45 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 139 event pairs, 0 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 67. Up to 7 conditions per place. [2021-04-28 23:01:25,675 INFO L146 LiptonReduction]: Number of co-enabled transitions 540 [2021-04-28 23:01:25,837 INFO L158 LiptonReduction]: Checked pairs total: 281 [2021-04-28 23:01:25,837 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:01:25,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 179 [2021-04-28 23:01:25,840 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 106 flow [2021-04-28 23:01:25,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:25,841 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:25,841 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:01:25,841 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:01:25,841 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:25,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:25,842 INFO L82 PathProgramCache]: Analyzing trace with hash -742701002, now seen corresponding path program 1 times [2021-04-28 23:01:25,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:25,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268936258] [2021-04-28 23:01:25,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:01:25,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:25,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:01:25,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:25,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:01:26,010 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-04-28 23:01:26,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-28 23:01:26,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:26,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 23:01:26,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:01:26,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268936258] [2021-04-28 23:01:26,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:01:26,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:01:26,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690896442] [2021-04-28 23:01:26,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:01:26,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:01:26,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:01:26,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:01:26,118 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 277 [2021-04-28 23:01:26,120 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 106 flow. Second operand has 6 states, 6 states have (on average 166.83333333333334) internal successors, (1001), 6 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,120 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:01:26,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 277 [2021-04-28 23:01:26,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:01:26,335 INFO L129 PetriNetUnfolder]: 25/104 cut-off events. [2021-04-28 23:01:26,335 INFO L130 PetriNetUnfolder]: For 47/49 co-relation queries the response was YES. [2021-04-28 23:01:26,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 104 events. 25/104 cut-off events. For 47/49 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 451 event pairs, 2 based on Foata normal form. 1/79 useless extension candidates. Maximal degree in co-relation 215. Up to 40 conditions per place. [2021-04-28 23:01:26,337 INFO L132 encePairwiseOnDemand]: 270/277 looper letters, 10 selfloop transitions, 9 changer transitions 0/42 dead transitions. [2021-04-28 23:01:26,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 42 transitions, 164 flow [2021-04-28 23:01:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:01:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:01:26,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 847 transitions. [2021-04-28 23:01:26,344 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6115523465703971 [2021-04-28 23:01:26,345 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 847 transitions. [2021-04-28 23:01:26,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 847 transitions. [2021-04-28 23:01:26,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:01:26,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 847 transitions. [2021-04-28 23:01:26,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 169.4) internal successors, (847), 5 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 277.0) internal successors, (1662), 6 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,355 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 277.0) internal successors, (1662), 6 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,355 INFO L185 Difference]: Start difference. First operand has 43 places, 34 transitions, 106 flow. Second operand 5 states and 847 transitions. [2021-04-28 23:01:26,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 42 transitions, 164 flow [2021-04-28 23:01:26,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 42 transitions, 158 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 23:01:26,358 INFO L241 Difference]: Finished difference. Result has 47 places, 39 transitions, 149 flow [2021-04-28 23:01:26,358 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2021-04-28 23:01:26,359 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -66 predicate places. [2021-04-28 23:01:26,359 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:26,359 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 39 transitions, 149 flow [2021-04-28 23:01:26,359 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 39 transitions, 149 flow [2021-04-28 23:01:26,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions, 149 flow [2021-04-28 23:01:26,375 INFO L129 PetriNetUnfolder]: 19/88 cut-off events. [2021-04-28 23:01:26,375 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2021-04-28 23:01:26,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 88 events. 19/88 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 382 event pairs, 4 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 187. Up to 26 conditions per place. [2021-04-28 23:01:26,377 INFO L146 LiptonReduction]: Number of co-enabled transitions 620 [2021-04-28 23:01:26,425 INFO L158 LiptonReduction]: Checked pairs total: 167 [2021-04-28 23:01:26,425 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:01:26,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-04-28 23:01:26,426 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 149 flow [2021-04-28 23:01:26,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 166.83333333333334) internal successors, (1001), 6 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:26,427 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:01:26,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:01:26,428 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:26,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:26,428 INFO L82 PathProgramCache]: Analyzing trace with hash 389603474, now seen corresponding path program 2 times [2021-04-28 23:01:26,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:26,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010096665] [2021-04-28 23:01:26,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:01:26,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:01:26,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:26,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:01:26,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:26,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 23:01:26,612 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.8 percent of original size [2021-04-28 23:01:26,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-28 23:01:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:01:26,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010096665] [2021-04-28 23:01:26,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:01:26,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:01:26,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138764878] [2021-04-28 23:01:26,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:01:26,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:01:26,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:01:26,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:01:26,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 277 [2021-04-28 23:01:26,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,686 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:01:26,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 277 [2021-04-28 23:01:26,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:01:26,953 INFO L129 PetriNetUnfolder]: 24/110 cut-off events. [2021-04-28 23:01:26,954 INFO L130 PetriNetUnfolder]: For 91/99 co-relation queries the response was YES. [2021-04-28 23:01:26,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 110 events. 24/110 cut-off events. For 91/99 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 523 event pairs, 1 based on Foata normal form. 8/88 useless extension candidates. Maximal degree in co-relation 266. Up to 30 conditions per place. [2021-04-28 23:01:26,955 INFO L132 encePairwiseOnDemand]: 271/277 looper letters, 12 selfloop transitions, 10 changer transitions 0/45 dead transitions. [2021-04-28 23:01:26,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 45 transitions, 223 flow [2021-04-28 23:01:26,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:01:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:01:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 892 transitions. [2021-04-28 23:01:26,962 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.644043321299639 [2021-04-28 23:01:26,962 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 892 transitions. [2021-04-28 23:01:26,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 892 transitions. [2021-04-28 23:01:26,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:01:26,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 892 transitions. [2021-04-28 23:01:26,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 277.0) internal successors, (1662), 6 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,970 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 277.0) internal successors, (1662), 6 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:26,971 INFO L185 Difference]: Start difference. First operand has 47 places, 39 transitions, 149 flow. Second operand 5 states and 892 transitions. [2021-04-28 23:01:26,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 45 transitions, 223 flow [2021-04-28 23:01:26,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 45 transitions, 214 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 23:01:26,975 INFO L241 Difference]: Finished difference. Result has 51 places, 41 transitions, 186 flow [2021-04-28 23:01:26,976 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=186, PETRI_PLACES=51, PETRI_TRANSITIONS=41} [2021-04-28 23:01:26,976 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -62 predicate places. [2021-04-28 23:01:26,976 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:26,976 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 41 transitions, 186 flow [2021-04-28 23:01:26,977 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 41 transitions, 186 flow [2021-04-28 23:01:26,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 186 flow [2021-04-28 23:01:26,994 INFO L129 PetriNetUnfolder]: 16/98 cut-off events. [2021-04-28 23:01:26,994 INFO L130 PetriNetUnfolder]: For 94/96 co-relation queries the response was YES. [2021-04-28 23:01:26,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 98 events. 16/98 cut-off events. For 94/96 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 455 event pairs, 4 based on Foata normal form. 2/69 useless extension candidates. Maximal degree in co-relation 221. Up to 24 conditions per place. [2021-04-28 23:01:26,996 INFO L146 LiptonReduction]: Number of co-enabled transitions 666 [2021-04-28 23:01:27,040 INFO L158 LiptonReduction]: Checked pairs total: 191 [2021-04-28 23:01:27,040 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:01:27,040 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-04-28 23:01:27,041 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 41 transitions, 186 flow [2021-04-28 23:01:27,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:27,042 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:27,042 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:01:27,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:01:27,043 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1745670653, now seen corresponding path program 1 times [2021-04-28 23:01:27,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:27,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746598388] [2021-04-28 23:01:27,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:01:27,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:27,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:01:27,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:27,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:01:27,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:27,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:01:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:01:27,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746598388] [2021-04-28 23:01:27,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:01:27,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:01:27,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131839766] [2021-04-28 23:01:27,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:01:27,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:01:27,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:01:27,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:01:27,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 277 [2021-04-28 23:01:27,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 41 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 188.75) internal successors, (755), 4 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:27,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:01:27,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 277 [2021-04-28 23:01:27,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:01:27,428 INFO L129 PetriNetUnfolder]: 269/684 cut-off events. [2021-04-28 23:01:27,428 INFO L130 PetriNetUnfolder]: For 225/255 co-relation queries the response was YES. [2021-04-28 23:01:27,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 684 events. 269/684 cut-off events. For 225/255 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 5060 event pairs, 75 based on Foata normal form. 34/203 useless extension candidates. Maximal degree in co-relation 1501. Up to 394 conditions per place. [2021-04-28 23:01:27,434 INFO L132 encePairwiseOnDemand]: 263/277 looper letters, 15 selfloop transitions, 20 changer transitions 6/65 dead transitions. [2021-04-28 23:01:27,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 65 transitions, 313 flow [2021-04-28 23:01:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:01:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:01:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 982 transitions. [2021-04-28 23:01:27,440 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7090252707581227 [2021-04-28 23:01:27,440 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 982 transitions. [2021-04-28 23:01:27,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 982 transitions. [2021-04-28 23:01:27,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:01:27,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 982 transitions. [2021-04-28 23:01:27,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 196.4) internal successors, (982), 5 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:27,447 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 277.0) internal successors, (1662), 6 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:27,448 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 277.0) internal successors, (1662), 6 states have internal predecessors, (1662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:27,448 INFO L185 Difference]: Start difference. First operand has 51 places, 41 transitions, 186 flow. Second operand 5 states and 982 transitions. [2021-04-28 23:01:27,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 65 transitions, 313 flow [2021-04-28 23:01:27,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 65 transitions, 289 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-28 23:01:27,453 INFO L241 Difference]: Finished difference. Result has 55 places, 58 transitions, 293 flow [2021-04-28 23:01:27,453 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=293, PETRI_PLACES=55, PETRI_TRANSITIONS=58} [2021-04-28 23:01:27,453 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -58 predicate places. [2021-04-28 23:01:27,453 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:27,454 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 58 transitions, 293 flow [2021-04-28 23:01:27,454 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 58 transitions, 293 flow [2021-04-28 23:01:27,455 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 58 transitions, 293 flow [2021-04-28 23:01:27,497 INFO L129 PetriNetUnfolder]: 38/321 cut-off events. [2021-04-28 23:01:27,498 INFO L130 PetriNetUnfolder]: For 154/181 co-relation queries the response was YES. [2021-04-28 23:01:27,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 321 events. 38/321 cut-off events. For 154/181 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 2882 event pairs, 3 based on Foata normal form. 6/131 useless extension candidates. Maximal degree in co-relation 810. Up to 114 conditions per place. [2021-04-28 23:01:27,504 INFO L146 LiptonReduction]: Number of co-enabled transitions 806 [2021-04-28 23:01:27,783 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:01:28,218 INFO L158 LiptonReduction]: Checked pairs total: 471 [2021-04-28 23:01:28,219 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 23:01:28,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 766 [2021-04-28 23:01:28,220 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 60 transitions, 309 flow [2021-04-28 23:01:28,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 188.75) internal successors, (755), 4 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:28,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:28,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:01:28,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:01:28,221 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:28,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:28,222 INFO L82 PathProgramCache]: Analyzing trace with hash -925238807, now seen corresponding path program 1 times [2021-04-28 23:01:28,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:28,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266847238] [2021-04-28 23:01:28,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:01:28,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:28,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:01:28,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:28,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:01:28,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:28,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:01:28,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:28,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:01:28,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:01:28,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266847238] [2021-04-28 23:01:28,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:01:28,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:01:28,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037532921] [2021-04-28 23:01:28,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:01:28,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:01:28,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:01:28,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:01:28,363 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 279 [2021-04-28 23:01:28,364 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 60 transitions, 309 flow. Second operand has 5 states, 5 states have (on average 190.8) internal successors, (954), 5 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:28,364 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:01:28,364 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 279 [2021-04-28 23:01:28,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:01:28,773 INFO L129 PetriNetUnfolder]: 119/570 cut-off events. [2021-04-28 23:01:28,773 INFO L130 PetriNetUnfolder]: For 460/1273 co-relation queries the response was YES. [2021-04-28 23:01:28,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1872 conditions, 570 events. 119/570 cut-off events. For 460/1273 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 5349 event pairs, 0 based on Foata normal form. 59/234 useless extension candidates. Maximal degree in co-relation 1852. Up to 252 conditions per place. [2021-04-28 23:01:28,778 INFO L132 encePairwiseOnDemand]: 265/279 looper letters, 4 selfloop transitions, 31 changer transitions 15/74 dead transitions. [2021-04-28 23:01:28,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 74 transitions, 458 flow [2021-04-28 23:01:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:01:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:01:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1378 transitions. [2021-04-28 23:01:28,786 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7055811571940604 [2021-04-28 23:01:28,786 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1378 transitions. [2021-04-28 23:01:28,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1378 transitions. [2021-04-28 23:01:28,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:01:28,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1378 transitions. [2021-04-28 23:01:28,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 196.85714285714286) internal successors, (1378), 7 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:28,796 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 279.0) internal successors, (2232), 8 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:28,797 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 279.0) internal successors, (2232), 8 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:28,797 INFO L185 Difference]: Start difference. First operand has 56 places, 60 transitions, 309 flow. Second operand 7 states and 1378 transitions. [2021-04-28 23:01:28,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 74 transitions, 458 flow [2021-04-28 23:01:28,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 74 transitions, 448 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-04-28 23:01:28,804 INFO L241 Difference]: Finished difference. Result has 64 places, 58 transitions, 383 flow [2021-04-28 23:01:28,805 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=383, PETRI_PLACES=64, PETRI_TRANSITIONS=58} [2021-04-28 23:01:28,805 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -49 predicate places. [2021-04-28 23:01:28,805 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:28,805 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 58 transitions, 383 flow [2021-04-28 23:01:28,805 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 58 transitions, 383 flow [2021-04-28 23:01:28,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 58 transitions, 383 flow [2021-04-28 23:01:28,846 INFO L129 PetriNetUnfolder]: 32/314 cut-off events. [2021-04-28 23:01:28,846 INFO L130 PetriNetUnfolder]: For 430/606 co-relation queries the response was YES. [2021-04-28 23:01:28,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 314 events. 32/314 cut-off events. For 430/606 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 2966 event pairs, 0 based on Foata normal form. 3/113 useless extension candidates. Maximal degree in co-relation 1184. Up to 216 conditions per place. [2021-04-28 23:01:28,852 INFO L146 LiptonReduction]: Number of co-enabled transitions 660 [2021-04-28 23:01:28,858 INFO L158 LiptonReduction]: Checked pairs total: 260 [2021-04-28 23:01:28,859 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:01:28,859 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-04-28 23:01:28,860 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 58 transitions, 383 flow [2021-04-28 23:01:28,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 190.8) internal successors, (954), 5 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:28,861 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:28,861 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:01:28,861 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:01:28,861 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:28,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:28,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1619402050, now seen corresponding path program 1 times [2021-04-28 23:01:28,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:28,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436928879] [2021-04-28 23:01:28,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:01:28,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:28,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:01:28,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:28,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:01:28,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:01:28,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:01:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:01:28,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436928879] [2021-04-28 23:01:28,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:01:28,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:01:28,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477305571] [2021-04-28 23:01:28,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:01:28,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:01:28,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:01:28,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:01:29,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 279 [2021-04-28 23:01:29,002 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 58 transitions, 383 flow. Second operand has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:29,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:01:29,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 279 [2021-04-28 23:01:29,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:01:29,111 INFO L129 PetriNetUnfolder]: 55/515 cut-off events. [2021-04-28 23:01:29,111 INFO L130 PetriNetUnfolder]: For 750/1080 co-relation queries the response was YES. [2021-04-28 23:01:29,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2023 conditions, 515 events. 55/515 cut-off events. For 750/1080 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 5342 event pairs, 0 based on Foata normal form. 12/182 useless extension candidates. Maximal degree in co-relation 1999. Up to 360 conditions per place. [2021-04-28 23:01:29,116 INFO L132 encePairwiseOnDemand]: 276/279 looper letters, 3 selfloop transitions, 1 changer transitions 11/59 dead transitions. [2021-04-28 23:01:29,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 59 transitions, 395 flow [2021-04-28 23:01:29,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:01:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:01:29,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 798 transitions. [2021-04-28 23:01:29,122 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7150537634408602 [2021-04-28 23:01:29,122 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 798 transitions. [2021-04-28 23:01:29,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 798 transitions. [2021-04-28 23:01:29,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:01:29,123 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 798 transitions. [2021-04-28 23:01:29,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 199.5) internal successors, (798), 4 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:29,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 279.0) internal successors, (1395), 5 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:29,128 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 279.0) internal successors, (1395), 5 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:29,128 INFO L185 Difference]: Start difference. First operand has 61 places, 58 transitions, 383 flow. Second operand 4 states and 798 transitions. [2021-04-28 23:01:29,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 59 transitions, 395 flow [2021-04-28 23:01:29,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 59 transitions, 322 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-04-28 23:01:29,137 INFO L241 Difference]: Finished difference. Result has 60 places, 48 transitions, 254 flow [2021-04-28 23:01:29,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=254, PETRI_PLACES=60, PETRI_TRANSITIONS=48} [2021-04-28 23:01:29,137 INFO L343 CegarLoopForPetriNet]: 113 programPoint places, -53 predicate places. [2021-04-28 23:01:29,138 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:01:29,138 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 48 transitions, 254 flow [2021-04-28 23:01:29,138 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 48 transitions, 254 flow [2021-04-28 23:01:29,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 48 transitions, 254 flow [2021-04-28 23:01:29,167 INFO L129 PetriNetUnfolder]: 17/213 cut-off events. [2021-04-28 23:01:29,167 INFO L130 PetriNetUnfolder]: For 84/85 co-relation queries the response was YES. [2021-04-28 23:01:29,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 213 events. 17/213 cut-off events. For 84/85 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 1705 event pairs, 0 based on Foata normal form. 1/74 useless extension candidates. Maximal degree in co-relation 653. Up to 126 conditions per place. [2021-04-28 23:01:29,171 INFO L146 LiptonReduction]: Number of co-enabled transitions 402 [2021-04-28 23:01:29,706 INFO L158 LiptonReduction]: Checked pairs total: 61 [2021-04-28 23:01:29,706 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 23:01:29,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 568 [2021-04-28 23:01:29,707 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 48 transitions, 266 flow [2021-04-28 23:01:29,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 199.0) internal successors, (796), 4 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:01:29,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:01:29,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:01:29,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:01:29,708 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:01:29,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:01:29,709 INFO L82 PathProgramCache]: Analyzing trace with hash 534755027, now seen corresponding path program 1 times [2021-04-28 23:01:29,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:01:29,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435522530] [2021-04-28 23:01:29,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:01:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:01:29,770 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:01:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:01:29,838 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:01:29,889 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:01:29,889 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:01:29,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:01:29,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:01:29 BasicIcfg [2021-04-28 23:01:29,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:01:29,965 INFO L168 Benchmark]: Toolchain (without parser) took 143515.93 ms. Allocated memory was 304.1 MB in the beginning and 559.9 MB in the end (delta: 255.9 MB). Free memory was 278.5 MB in the beginning and 265.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 270.6 MB. Max. memory is 16.0 GB. [2021-04-28 23:01:29,966 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 304.1 MB. Free memory was 275.1 MB in the beginning and 275.0 MB in the end (delta: 136.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:01:29,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1154.10 ms. Allocated memory is still 304.1 MB. Free memory was 275.4 MB in the beginning and 272.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:01:29,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.00 ms. Allocated memory is still 304.1 MB. Free memory was 272.9 MB in the beginning and 270.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:01:29,967 INFO L168 Benchmark]: Boogie Preprocessor took 111.01 ms. Allocated memory is still 304.1 MB. Free memory was 270.8 MB in the beginning and 268.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:01:29,967 INFO L168 Benchmark]: RCFGBuilder took 3099.01 ms. Allocated memory is still 304.1 MB. Free memory was 268.7 MB in the beginning and 240.2 MB in the end (delta: 28.5 MB). Peak memory consumption was 165.8 MB. Max. memory is 16.0 GB. [2021-04-28 23:01:29,968 INFO L168 Benchmark]: TraceAbstraction took 138973.57 ms. Allocated memory was 304.1 MB in the beginning and 559.9 MB in the end (delta: 255.9 MB). Free memory was 240.2 MB in the beginning and 265.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 231.4 MB. Max. memory is 16.0 GB. [2021-04-28 23:01:29,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 304.1 MB. Free memory was 275.1 MB in the beginning and 275.0 MB in the end (delta: 136.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1154.10 ms. Allocated memory is still 304.1 MB. Free memory was 275.4 MB in the beginning and 272.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 97.00 ms. Allocated memory is still 304.1 MB. Free memory was 272.9 MB in the beginning and 270.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 111.01 ms. Allocated memory is still 304.1 MB. Free memory was 270.8 MB in the beginning and 268.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3099.01 ms. Allocated memory is still 304.1 MB. Free memory was 268.7 MB in the beginning and 240.2 MB in the end (delta: 28.5 MB). Peak memory consumption was 165.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 138973.57 ms. Allocated memory was 304.1 MB in the beginning and 559.9 MB in the end (delta: 255.9 MB). Free memory was 240.2 MB in the beginning and 265.7 MB in the end (delta: -25.5 MB). Peak memory consumption was 231.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 131726.0ms, 87 PlacesBefore, 113 PlacesAfterwards, 82 TransitionsBefore, 108 TransitionsAfterwards, 1046 CoEnabledTransitionPairs, 8 FixpointIterations, 119 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 193 TotalNumberOfCompositions, 9587 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3031, positive: 2835, positive conditional: 2835, positive unconditional: 0, negative: 196, negative conditional: 196, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1255, positive: 1211, positive conditional: 0, positive unconditional: 1211, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1255, positive: 1211, positive conditional: 0, positive unconditional: 1211, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1255, positive: 1193, positive conditional: 0, positive unconditional: 1193, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1177, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 1100, negative conditional: 0, negative unconditional: 1100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3031, positive: 1624, positive conditional: 1624, positive unconditional: 0, negative: 152, negative conditional: 152, negative unconditional: 0, unknown: 1255, unknown conditional: 1255, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1255, Positive cache size: 1211, Positive conditional cache size: 1211, Positive unconditional cache size: 0, Negative cache size: 44, Negative conditional cache size: 44, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 660.8ms, 110 PlacesBefore, 40 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 498 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32, positive: 20, positive conditional: 1, positive unconditional: 19, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 3, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 646, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 646, negative conditional: 118, negative unconditional: 528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 32, unknown conditional: 32, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1287, Positive cache size: 1231, Positive conditional cache size: 1231, Positive unconditional cache size: 0, Negative cache size: 56, Negative conditional cache size: 56, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 276.2ms, 43 PlacesBefore, 43 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 692 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 361 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 259, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 259, negative conditional: 0, negative unconditional: 259, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1298, Positive cache size: 1236, Positive conditional cache size: 1236, Positive unconditional cache size: 0, Negative cache size: 62, Negative conditional cache size: 62, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.1ms, 46 PlacesBefore, 43 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 281 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, positive: 32, positive conditional: 32, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1314, Positive cache size: 1248, Positive conditional cache size: 1248, Positive unconditional cache size: 0, Negative cache size: 66, Negative conditional cache size: 66, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.6ms, 47 PlacesBefore, 47 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 167 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1320, Positive cache size: 1253, Positive conditional cache size: 1253, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.4ms, 51 PlacesBefore, 51 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 666 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 191 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 5, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 78, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1329, Positive cache size: 1261, Positive conditional cache size: 1261, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 764.6ms, 55 PlacesBefore, 56 PlacesAfterwards, 58 TransitionsBefore, 60 TransitionsAfterwards, 806 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 471 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 294, positive: 280, positive conditional: 280, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 27, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 27, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 294, positive: 236, positive conditional: 236, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1374, Positive cache size: 1305, Positive conditional cache size: 1305, Positive unconditional cache size: 0, Negative cache size: 69, Negative conditional cache size: 69, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.3ms, 64 PlacesBefore, 61 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 660 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 149, positive conditional: 149, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 159, positive: 118, positive conditional: 118, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1405, Positive cache size: 1336, Positive conditional cache size: 1336, Positive unconditional cache size: 0, Negative cache size: 69, Negative conditional cache size: 69, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 567.7ms, 60 PlacesBefore, 55 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 402 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 61 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 61, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 27, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 61, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1436, Positive cache size: 1367, Positive conditional cache size: 1367, Positive unconditional cache size: 0, Negative cache size: 69, Negative conditional cache size: 69, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L734] 0 int z = 0; [L735] 0 _Bool weak$$choice0; [L736] 0 _Bool weak$$choice2; [L802] 0 pthread_t t1615; [L803] FCALL, FORK 0 pthread_create(&t1615, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L804] 0 pthread_t t1616; [L805] FCALL, FORK 0 pthread_create(&t1616, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L760] 2 y$w_buff1 = y$w_buff0 [L761] 2 y$w_buff0 = 2 [L762] 2 y$w_buff1_used = y$w_buff0_used [L763] 2 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L765] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L766] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L767] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L768] 2 y$r_buff0_thd2 = (_Bool)1 [L771] 2 z = 1 [L774] 2 __unbuffered_p1_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L777] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L740] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L746] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L747] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L748] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L749] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L750] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L780] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L781] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L782] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L783] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L783] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L784] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L784] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L811] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L811] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L811] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L812] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L812] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L813] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L814] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L815] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L815] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L818] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L819] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L820] 0 y$flush_delayed = weak$$choice2 [L821] 0 y$mem_tmp = y [L822] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L822] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L823] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L823] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L824] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L824] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L825] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L825] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L826] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L826] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L827] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L828] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L828] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L829] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L830] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L830] 0 y = y$flush_delayed ? y$mem_tmp : y [L831] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 83 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 138722.3ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2350.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 131857.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 37 SDtfs, 28 SDslu, 8 SDs, 0 SdLazy, 232 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 739.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 594.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred in iteration=7, InterpolantAutomatonStates: 36, 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: 35.1ms SsaConstructionTime, 367.3ms SatisfiabilityAnalysisTime, 1100.4ms InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 439 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...